1832 lines
97 KiB
Lua
1832 lines
97 KiB
Lua
-- major tests for text editing flows
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function test_initial_state()
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io.write('\ntest_initial_state')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{}
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edit.draw(Editor_state)
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check_eq(#Editor_state.lines, 1, 'F - test_initial_state/#lines')
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check_eq(Editor_state.cursor1.line, 1, 'F - test_initial_state/cursor:line')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_initial_state/cursor:pos')
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check_eq(Editor_state.screen_top1.line, 1, 'F - test_initial_state/screen_top:line')
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check_eq(Editor_state.screen_top1.pos, 1, 'F - test_initial_state/screen_top:pos')
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end
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function test_click_to_create_drawing()
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io.write('\ntest_click_to_create_drawing')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{}
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edit.draw(Editor_state)
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edit.run_after_mouse_click(Editor_state, 8,Editor_state.top+8, 1)
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-- cursor skips drawing to always remain on text
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check_eq(#Editor_state.lines, 2, 'F - test_click_to_create_drawing/#lines')
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check_eq(Editor_state.cursor1.line, 2, 'F - test_click_to_create_drawing/cursor')
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end
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function test_backspace_to_delete_drawing()
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io.write('\ntest_backspace_to_delete_drawing')
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-- display a drawing followed by a line of text (you shouldn't ever have a drawing right at the end)
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'```lines', '```', ''}
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-- cursor is on text as always (outside tests this will get initialized correctly)
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Editor_state.cursor1.line = 2
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-- backspacing deletes the drawing
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edit.run_after_keychord(Editor_state, 'backspace')
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check_eq(#Editor_state.lines, 1, 'F - test_backspace_to_delete_drawing/#lines')
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check_eq(Editor_state.cursor1.line, 1, 'F - test_backspace_to_delete_drawing/cursor')
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end
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function test_insert_first_character()
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io.write('\ntest_insert_first_character')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{}
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edit.draw(Editor_state)
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edit.run_after_textinput(Editor_state, 'a')
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local y = Editor_state.top
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App.screen.check(y, 'a', 'F - test_insert_first_character/screen:1')
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end
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function test_press_ctrl()
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io.write('\ntest_press_ctrl')
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-- press ctrl while the cursor is on text
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App.screen.init{width=50, height=80}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{''}
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.run_after_keychord(Editor_state, 'C-m')
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end
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function test_move_left()
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io.write('\ntest_move_left')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'a'}
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Editor_state.cursor1 = {line=1, pos=2}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'left')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_left')
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end
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function test_move_right()
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io.write('\ntest_move_right')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'a'}
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Editor_state.cursor1 = {line=1, pos=1}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'right')
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check_eq(Editor_state.cursor1.pos, 2, 'F - test_move_right')
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end
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function test_move_left_to_previous_line()
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io.write('\ntest_move_left_to_previous_line')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc', 'def'}
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Editor_state.cursor1 = {line=2, pos=1}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'left')
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check_eq(Editor_state.cursor1.line, 1, 'F - test_move_left_to_previous_line/line')
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check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_left_to_previous_line/pos') -- past end of line
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end
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function test_move_right_to_next_line()
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io.write('\ntest_move_right_to_next_line')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc', 'def'}
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Editor_state.cursor1 = {line=1, pos=4} -- past end of line
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'right')
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check_eq(Editor_state.cursor1.line, 2, 'F - test_move_right_to_next_line/line')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_right_to_next_line/pos')
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end
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function test_move_to_start_of_word()
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io.write('\ntest_move_to_start_of_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc'}
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Editor_state.cursor1 = {line=1, pos=3}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_to_start_of_word')
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end
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function test_move_to_start_of_previous_word()
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io.write('\ntest_move_to_start_of_previous_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=4} -- at the space between words
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_move_to_start_of_previous_word')
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end
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function test_skip_to_previous_word()
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io.write('\ntest_skip_to_previous_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=5} -- at the start of second word
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_skip_to_previous_word')
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end
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function test_skip_past_tab_to_previous_word()
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io.write('\ntest_skip_past_tab_to_previous_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def\tghi'}
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Editor_state.cursor1 = {line=1, pos=10} -- within third word
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.pos, 9, 'F - test_skip_past_tab_to_previous_word')
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end
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function test_skip_multiple_spaces_to_previous_word()
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io.write('\ntest_skip_multiple_spaces_to_previous_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=6} -- at the start of second word
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.pos, 1, 'F - test_skip_multiple_spaces_to_previous_word')
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end
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function test_move_to_start_of_word_on_previous_line()
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io.write('\ntest_move_to_start_of_word_on_previous_line')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def', 'ghi'}
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Editor_state.cursor1 = {line=2, pos=1}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-left')
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check_eq(Editor_state.cursor1.line, 1, 'F - test_move_to_start_of_word_on_previous_line/line')
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check_eq(Editor_state.cursor1.pos, 5, 'F - test_move_to_start_of_word_on_previous_line/pos')
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end
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function test_move_past_end_of_word()
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io.write('\ntest_move_past_end_of_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=1}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-right')
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check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_past_end_of_word')
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end
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function test_skip_to_next_word()
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io.write('\ntest_skip_to_next_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=4} -- at the space between words
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-right')
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check_eq(Editor_state.cursor1.pos, 8, 'F - test_skip_to_next_word')
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end
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function test_skip_past_tab_to_next_word()
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io.write('\ntest_skip_past_tab_to_next_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc\tdef'}
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Editor_state.cursor1 = {line=1, pos=1} -- at the space between words
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-right')
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check_eq(Editor_state.cursor1.pos, 4, 'F - test_skip_past_tab_to_next_word')
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end
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function test_skip_multiple_spaces_to_next_word()
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io.write('\ntest_skip_multiple_spaces_to_next_word')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def'}
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Editor_state.cursor1 = {line=1, pos=4} -- at the start of second word
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-right')
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check_eq(Editor_state.cursor1.pos, 9, 'F - test_skip_multiple_spaces_to_next_word')
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end
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function test_move_past_end_of_word_on_next_line()
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io.write('\ntest_move_past_end_of_word_on_next_line')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def', 'ghi'}
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Editor_state.cursor1 = {line=1, pos=8}
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edit.draw(Editor_state)
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edit.run_after_keychord(Editor_state, 'M-right')
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check_eq(Editor_state.cursor1.line, 2, 'F - test_move_past_end_of_word_on_next_line/line')
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check_eq(Editor_state.cursor1.pos, 4, 'F - test_move_past_end_of_word_on_next_line/pos')
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end
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function test_click_with_mouse()
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io.write('\ntest_click_with_mouse')
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-- display two lines with cursor on one of them
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App.screen.init{width=50, height=80}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc', 'def'}
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Editor_state.cursor1 = {line=2, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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-- click on the other line
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edit.draw(Editor_state)
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edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
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-- cursor moves
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check_eq(Editor_state.cursor1.line, 1, 'F - test_click_with_mouse/cursor')
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check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse/selection is empty to avoid perturbing future edits')
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end
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function test_click_with_mouse_on_empty_line()
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io.write('\ntest_click_with_mouse_on_empty_line')
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-- display two lines with the first one empty
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App.screen.init{width=50, height=80}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'', 'def'}
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Editor_state.cursor1 = {line=2, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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-- click on the empty line
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edit.draw(Editor_state)
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edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
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-- cursor moves
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check_eq(Editor_state.cursor1.line, 1, 'F - test_click_with_mouse_on_empty_line/cursor')
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end
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function test_draw_text()
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io.write('\ntest_draw_text')
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App.screen.init{width=120, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc', 'def', 'ghi'}
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.draw(Editor_state)
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local y = Editor_state.top
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App.screen.check(y, 'abc', 'F - test_draw_text/screen:1')
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y = y + Editor_state.line_height
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App.screen.check(y, 'def', 'F - test_draw_text/screen:2')
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y = y + Editor_state.line_height
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App.screen.check(y, 'ghi', 'F - test_draw_text/screen:3')
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end
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function test_draw_wrapping_text()
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io.write('\ntest_draw_wrapping_text')
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App.screen.init{width=50, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc', 'defgh', 'xyz'}
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.draw(Editor_state)
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local y = Editor_state.top
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App.screen.check(y, 'abc', 'F - test_draw_wrapping_text/screen:1')
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y = y + Editor_state.line_height
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App.screen.check(y, 'def', 'F - test_draw_wrapping_text/screen:2')
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y = y + Editor_state.line_height
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App.screen.check(y, 'gh', 'F - test_draw_wrapping_text/screen:3')
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end
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function test_draw_word_wrapping_text()
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io.write('\ntest_draw_word_wrapping_text')
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App.screen.init{width=60, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abc def ghi', 'jkl'}
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.draw(Editor_state)
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local y = Editor_state.top
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App.screen.check(y, 'abc ', 'F - test_draw_word_wrapping_text/screen:1')
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y = y + Editor_state.line_height
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App.screen.check(y, 'def ', 'F - test_draw_word_wrapping_text/screen:2')
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y = y + Editor_state.line_height
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App.screen.check(y, 'ghi', 'F - test_draw_word_wrapping_text/screen:3')
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end
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function test_draw_text_wrapping_within_word()
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-- arrange a screen line that needs to be split within a word
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io.write('\ntest_draw_text_wrapping_within_word')
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App.screen.init{width=60, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'abcd e fghijk', 'xyz'}
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.draw(Editor_state)
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local y = Editor_state.top
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App.screen.check(y, 'abcd ', 'F - test_draw_text_wrapping_within_word/screen:1')
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y = y + Editor_state.line_height
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App.screen.check(y, 'e fghi', 'F - test_draw_text_wrapping_within_word/screen:2')
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y = y + Editor_state.line_height
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App.screen.check(y, 'jk', 'F - test_draw_text_wrapping_within_word/screen:3')
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end
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function test_draw_wrapping_text_containing_non_ascii()
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-- draw a long line containing non-ASCII
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io.write('\ntest_draw_wrapping_text_containing_non_ascii')
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App.screen.init{width=60, height=60}
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Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
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Editor_state.lines = load_array{'madam I’m adam', 'xyz'} -- notice the non-ASCII apostrophe
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Editor_state.cursor1 = {line=1, pos=1}
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Editor_state.screen_top1 = {line=1, pos=1}
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Editor_state.screen_bottom1 = {}
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edit.draw(Editor_state)
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local y = Editor_state.top
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App.screen.check(y, 'mada', 'F - test_draw_wrapping_text_containing_non_ascii/screen:1')
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y = y + Editor_state.line_height
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App.screen.check(y, 'm I’', 'F - test_draw_wrapping_text_containing_non_ascii/screen:2')
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y = y + Editor_state.line_height
|
||
App.screen.check(y, 'm ad', 'F - test_draw_wrapping_text_containing_non_ascii/screen:3')
|
||
end
|
||
|
||
function test_click_on_wrapping_line()
|
||
io.write('\ntest_click_on_wrapping_line')
|
||
-- display a wrapping line
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
-- 12345678901234
|
||
Editor_state.lines = load_array{"madam I'm adam"}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'madam ', 'F - test_click_on_wrapping_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, "I'm ada", 'F - test_click_on_wrapping_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
-- click past end of second screen line
|
||
edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
|
||
-- cursor moves to end of screen line
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 13, 'F - test_click_on_wrapping_line/cursor:pos')
|
||
end
|
||
|
||
function test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen()
|
||
io.write('\ntest_click_on_wrapping_line_rendered_from_partway_at_top_of_screen')
|
||
-- display a wrapping line from its second screen line
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
-- 12345678901234
|
||
Editor_state.lines = load_array{"madam I'm adam"}
|
||
Editor_state.cursor1 = {line=1, pos=8}
|
||
Editor_state.screen_top1 = {line=1, pos=7}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, "I'm ada", 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
-- click past end of second screen line
|
||
edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
|
||
-- cursor moves to end of screen line
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 13, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:pos')
|
||
end
|
||
|
||
function test_click_past_end_of_wrapping_line()
|
||
io.write('\ntest_click_past_end_of_wrapping_line')
|
||
-- display a wrapping line
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
-- 12345678901234
|
||
Editor_state.lines = load_array{"madam I'm adam"}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'madam ', 'F - test_click_past_end_of_wrapping_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, "I'm ada", 'F - test_click_past_end_of_wrapping_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'm', 'F - test_click_past_end_of_wrapping_line/baseline/screen:3')
|
||
y = y + Editor_state.line_height
|
||
-- click past the end of it
|
||
edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
|
||
-- cursor moves to end of line
|
||
check_eq(Editor_state.cursor1.pos, 15, 'F - test_click_past_end_of_wrapping_line/cursor') -- one more than the number of UTF-8 code-points
|
||
end
|
||
|
||
function test_click_on_wrapping_line_containing_non_ascii()
|
||
io.write('\ntest_click_on_wrapping_line_containing_non_ascii')
|
||
-- display a wrapping line containing non-ASCII
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
-- 12345678901234
|
||
Editor_state.lines = load_array{'madam I’m adam'} -- notice the non-ASCII apostrophe
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'madam ', 'F - test_click_on_wrapping_line_containing_non_ascii/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'I’m ada', 'F - test_click_on_wrapping_line_containing_non_ascii/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'm', 'F - test_click_on_wrapping_line_containing_non_ascii/baseline/screen:3')
|
||
y = y + Editor_state.line_height
|
||
-- click past the end of it
|
||
edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
|
||
-- cursor moves to end of line
|
||
check_eq(Editor_state.cursor1.pos, 15, 'F - test_click_on_wrapping_line_containing_non_ascii/cursor') -- one more than the number of UTF-8 code-points
|
||
end
|
||
|
||
function test_click_past_end_of_word_wrapping_line()
|
||
io.write('\ntest_click_past_end_of_word_wrapping_line')
|
||
-- display a long line wrapping at a word boundary on a screen of more realistic length
|
||
App.screen.init{width=160, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
-- 0 1 2
|
||
-- 123456789012345678901
|
||
Editor_state.lines = load_array{'the quick brown fox jumped over the lazy dog'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'the quick brown fox ', 'F - test_click_past_end_of_word_wrapping_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
-- click past the end of the screen line
|
||
edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
|
||
-- cursor moves to end of screen line
|
||
check_eq(Editor_state.cursor1.pos, 20, 'F - test_click_past_end_of_word_wrapping_line/cursor')
|
||
end
|
||
|
||
function test_select_text()
|
||
io.write('\ntest_select_text')
|
||
-- display a line of text
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- select a letter
|
||
App.fake_key_press('lshift')
|
||
edit.run_after_keychord(Editor_state, 'S-right')
|
||
App.fake_key_release('lshift')
|
||
App.keyreleased('lshift')
|
||
-- selection persists even after shift is released
|
||
check_eq(Editor_state.selection1.line, 1, 'F - test_select_text/selection:line')
|
||
check_eq(Editor_state.selection1.pos, 1, 'F - test_select_text/selection:pos')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_select_text/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 2, 'F - test_select_text/cursor:pos')
|
||
end
|
||
|
||
function test_cursor_movement_without_shift_resets_selection()
|
||
io.write('\ntest_cursor_movement_without_shift_resets_selection')
|
||
-- display a line of text with some part selected
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- press an arrow key without shift
|
||
edit.run_after_keychord(Editor_state, 'right')
|
||
-- no change to data, selection is reset
|
||
check_nil(Editor_state.selection1.line, 'F - test_cursor_movement_without_shift_resets_selection')
|
||
check_eq(Editor_state.lines[1].data, 'abc', 'F - test_cursor_movement_without_shift_resets_selection/data')
|
||
end
|
||
|
||
function test_edit_deletes_selection()
|
||
io.write('\ntest_edit_deletes_selection')
|
||
-- display a line of text with some part selected
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- press a key
|
||
edit.run_after_textinput(Editor_state, 'x')
|
||
-- selected text is deleted and replaced with the key
|
||
check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_edit_deletes_selection')
|
||
end
|
||
|
||
function test_edit_with_shift_key_deletes_selection()
|
||
io.write('\ntest_edit_with_shift_key_deletes_selection')
|
||
-- display a line of text with some part selected
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- mimic precise keypresses for a capital letter
|
||
App.fake_key_press('lshift')
|
||
App.keypressed('d')
|
||
App.textinput('D')
|
||
App.keyreleased('d')
|
||
App.fake_key_release('lshift')
|
||
-- selected text is deleted and replaced with the key
|
||
check_nil(Editor_state.selection1.line, 'F - test_edit_with_shift_key_deletes_selection')
|
||
check_eq(Editor_state.lines[1].data, 'Dbc', 'F - test_edit_with_shift_key_deletes_selection/data')
|
||
end
|
||
|
||
function test_copy_does_not_reset_selection()
|
||
io.write('\ntest_copy_does_not_reset_selection')
|
||
-- display a line of text with a selection
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- copy selection
|
||
edit.run_after_keychord(Editor_state, 'C-c')
|
||
check_eq(App.clipboard, 'a', 'F - test_copy_does_not_reset_selection/clipboard')
|
||
-- selection is reset since shift key is not pressed
|
||
check(Editor_state.selection1.line, 'F - test_copy_does_not_reset_selection')
|
||
end
|
||
|
||
function test_cut()
|
||
io.write('\ntest_cut')
|
||
-- display a line of text with some part selected
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- press a key
|
||
edit.run_after_keychord(Editor_state, 'C-x')
|
||
check_eq(App.clipboard, 'a', 'F - test_cut/clipboard')
|
||
-- selected text is deleted
|
||
check_eq(Editor_state.lines[1].data, 'bc', 'F - test_cut/data')
|
||
end
|
||
|
||
function test_paste_replaces_selection()
|
||
io.write('\ntest_paste_replaces_selection')
|
||
-- display a line of text with a selection
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- set clipboard
|
||
App.clipboard = 'xyz'
|
||
-- paste selection
|
||
edit.run_after_keychord(Editor_state, 'C-v')
|
||
-- selection is reset since shift key is not pressed
|
||
-- selection includes the newline, so it's also deleted
|
||
check_eq(Editor_state.lines[1].data, 'xyzdef', 'F - test_paste_replaces_selection')
|
||
end
|
||
|
||
function test_deleting_selection_may_scroll()
|
||
io.write('\ntest_deleting_selection_may_scroll')
|
||
-- display lines 2/3/4
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=3, pos=2}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_deleting_selection_may_scroll/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_deleting_selection_may_scroll/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_deleting_selection_may_scroll/baseline/screen:3')
|
||
-- set up a selection starting above the currently displayed page
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
-- delete selection
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
-- page scrolls up
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_deleting_selection_may_scroll')
|
||
check_eq(Editor_state.lines[1].data, 'ahi', 'F - test_deleting_selection_may_scroll/data')
|
||
end
|
||
|
||
function test_edit_wrapping_text()
|
||
io.write('\ntest_edit_wrapping_text')
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=2, pos=4}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
edit.run_after_textinput(Editor_state, 'g')
|
||
edit.run_after_textinput(Editor_state, 'h')
|
||
edit.run_after_textinput(Editor_state, 'i')
|
||
edit.run_after_textinput(Editor_state, 'j')
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_edit_wrapping_text/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_edit_wrapping_text/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghij', 'F - test_edit_wrapping_text/screen:3')
|
||
end
|
||
|
||
function test_insert_newline()
|
||
io.write('\ntest_insert_newline')
|
||
-- display a few lines
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_insert_newline/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_insert_newline/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_insert_newline/baseline/screen:3')
|
||
-- hitting the enter key splits the line
|
||
edit.run_after_keychord(Editor_state, 'return')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_newline/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'a', 'F - test_insert_newline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'bc', 'F - test_insert_newline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_insert_newline/screen:3')
|
||
end
|
||
|
||
function test_insert_newline_at_start_of_line()
|
||
io.write('\ntest_insert_newline_at_start_of_line')
|
||
-- display a line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- hitting the enter key splits the line
|
||
edit.run_after_keychord(Editor_state, 'return')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline_at_start_of_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline_at_start_of_line/cursor:pos')
|
||
check_eq(Editor_state.lines[1].data, '', 'F - test_insert_newline_at_start_of_line/data:1')
|
||
check_eq(Editor_state.lines[2].data, 'abc', 'F - test_insert_newline_at_start_of_line/data:2')
|
||
end
|
||
|
||
function test_insert_from_clipboard()
|
||
io.write('\ntest_insert_from_clipboard')
|
||
-- display a few lines
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_insert_from_clipboard/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_insert_from_clipboard/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_insert_from_clipboard/baseline/screen:3')
|
||
-- paste some text including a newline, check that new line is created
|
||
App.clipboard = 'xy\nz'
|
||
edit.run_after_keychord(Editor_state, 'C-v')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_from_clipboard/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_from_clipboard/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 2, 'F - test_insert_from_clipboard/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'axy', 'F - test_insert_from_clipboard/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'zbc', 'F - test_insert_from_clipboard/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_insert_from_clipboard/screen:3')
|
||
end
|
||
|
||
function test_move_cursor_using_mouse()
|
||
io.write('\ntest_move_cursor_using_mouse')
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
Editor_state.selection1 = {}
|
||
edit.draw(Editor_state) -- populate line.y for each line in Editor_state.lines
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_move_cursor_using_mouse/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 2, 'F - test_move_cursor_using_mouse/cursor:pos')
|
||
check_nil(Editor_state.selection1.line, 'F - test_move_cursor_using_mouse/selection:line')
|
||
check_nil(Editor_state.selection1.pos, 'F - test_move_cursor_using_mouse/selection:pos')
|
||
end
|
||
|
||
function test_select_text_using_mouse()
|
||
io.write('\ntest_select_text_using_mouse')
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
Editor_state.selection1 = {}
|
||
edit.draw(Editor_state) -- populate line.y for each line in Editor_state.lines
|
||
-- press and hold on first location
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
-- drag and release somewhere else
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
|
||
check_eq(Editor_state.selection1.line, 1, 'F - test_select_text_using_mouse/selection:line')
|
||
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_using_mouse/selection:pos')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_using_mouse/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_select_text_using_mouse/cursor:pos')
|
||
end
|
||
|
||
function test_select_text_using_mouse_and_shift()
|
||
io.write('\ntest_select_text_using_mouse_and_shift')
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
Editor_state.selection1 = {}
|
||
edit.draw(Editor_state) -- populate line.y for each line in Editor_state.lines
|
||
-- click on first location
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
-- hold down shift and click somewhere else
|
||
App.fake_key_press('lshift')
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
|
||
App.fake_key_release('lshift')
|
||
check_eq(Editor_state.selection1.line, 1, 'F - test_select_text_using_mouse_and_shift/selection:line')
|
||
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_using_mouse_and_shift/selection:pos')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_using_mouse_and_shift/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_select_text_using_mouse_and_shift/cursor:pos')
|
||
end
|
||
|
||
function test_select_text_repeatedly_using_mouse_and_shift()
|
||
io.write('\ntest_select_text_repeatedly_using_mouse_and_shift')
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
Editor_state.selection1 = {}
|
||
edit.draw(Editor_state) -- populate line.y for each line in Editor_state.lines
|
||
-- click on first location
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
|
||
-- hold down shift and click on a second location
|
||
App.fake_key_press('lshift')
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
|
||
-- hold down shift and click at a third location
|
||
App.fake_key_press('lshift')
|
||
edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+Editor_state.line_height+5, 1)
|
||
App.fake_key_release('lshift')
|
||
-- selection is between first and third location. forget the second location, not the first.
|
||
check_eq(Editor_state.selection1.line, 1, 'F - test_select_text_repeatedly_using_mouse_and_shift/selection:line')
|
||
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/selection:pos')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/cursor:pos')
|
||
end
|
||
|
||
function test_cut_without_selection()
|
||
io.write('\ntest_cut_without_selection')
|
||
-- display a few lines
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
Editor_state.selection1 = {}
|
||
edit.draw(Editor_state)
|
||
-- try to cut without selecting text
|
||
edit.run_after_keychord(Editor_state, 'C-x')
|
||
-- no crash
|
||
check_nil(Editor_state.selection1.line, 'F - test_cut_without_selection')
|
||
end
|
||
|
||
function test_pagedown()
|
||
io.write('\ntest_pagedown')
|
||
App.screen.init{width=120, height=45}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- initially the first two lines are displayed
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_pagedown/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_pagedown/baseline/screen:2')
|
||
-- after pagedown the bottom line becomes the top
|
||
edit.run_after_keychord(Editor_state, 'pagedown')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_pagedown/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_pagedown/cursor')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_pagedown/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_pagedown/screen:2')
|
||
end
|
||
|
||
function test_pagedown_skips_drawings()
|
||
io.write('\ntest_pagedown_skips_drawings')
|
||
-- some lines of text with a drawing intermixed
|
||
local drawing_width = 50
|
||
App.screen.init{width=Editor_state.left+drawing_width, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', -- height 15
|
||
'```lines', '```', -- height 25
|
||
'def', -- height 15
|
||
'ghi'} -- height 15
|
||
check_eq(Editor_state.lines[2].mode, 'drawing', 'F - test_pagedown_skips_drawings/baseline/lines')
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
local drawing_height = Editor_state.drawing_padding_height + drawing_width/2 -- default
|
||
-- initially the screen displays the first line and the drawing
|
||
-- 15px margin + 15px line1 + 10px margin + 25px drawing + 10px margin = 75px < screen height 80px
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_pagedown_skips_drawings/baseline/screen:1')
|
||
-- after pagedown the screen draws the drawing up top
|
||
-- 15px margin + 10px margin + 25px drawing + 10px margin + 15px line3 = 75px < screen height 80px
|
||
edit.run_after_keychord(Editor_state, 'pagedown')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_pagedown_skips_drawings/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_pagedown_skips_drawings/cursor')
|
||
y = Editor_state.top + drawing_height
|
||
App.screen.check(y, 'def', 'F - test_pagedown_skips_drawings/screen:1')
|
||
end
|
||
|
||
function test_pagedown_often_shows_start_of_wrapping_line()
|
||
io.write('\ntest_pagedown_often_shows_start_of_wrapping_line')
|
||
-- draw a few lines ending in part of a wrapping line
|
||
App.screen.init{width=50, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def ghi jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_pagedown_often_shows_start_of_wrapping_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def ', 'F - test_pagedown_often_shows_start_of_wrapping_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_pagedown_often_shows_start_of_wrapping_line/baseline/screen:3')
|
||
-- after pagedown we start drawing from the bottom _line_ (multiple screen lines)
|
||
edit.run_after_keychord(Editor_state, 'pagedown')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_pagedown_often_shows_start_of_wrapping_line/screen_top:line')
|
||
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_pagedown_often_shows_start_of_wrapping_line/screen_top:pos')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_pagedown_often_shows_start_of_wrapping_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_pagedown_often_shows_start_of_wrapping_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def ', 'F - test_pagedown_often_shows_start_of_wrapping_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_pagedown_often_shows_start_of_wrapping_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_pagedown_often_shows_start_of_wrapping_line/screen:3')
|
||
end
|
||
|
||
function test_pagedown_can_start_from_middle_of_long_wrapping_line()
|
||
io.write('\ntest_pagedown_can_start_from_middle_of_long_wrapping_line')
|
||
-- draw a few lines starting from a very long wrapping line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu vwx yza bcd efg hij', 'XYZ'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc ', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def ', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/baseline/screen:3')
|
||
-- after pagedown we scroll down the very long wrapping line
|
||
edit.run_after_keychord(Editor_state, 'pagedown')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/screen_top:line')
|
||
check_eq(Editor_state.screen_top1.pos, 9, 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/screen_top:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghi ', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl m', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'no ', 'F - test_pagedown_can_start_from_middle_of_long_wrapping_line/screen:3')
|
||
end
|
||
|
||
function test_down_arrow_moves_cursor()
|
||
io.write('\ntest_down_arrow_moves_cursor')
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- initially the first three lines are displayed
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_down_arrow_moves_cursor/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_moves_cursor/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_down_arrow_moves_cursor/baseline/screen:3')
|
||
-- after hitting the down arrow, the cursor moves down by 1 line
|
||
edit.run_after_keychord(Editor_state, 'down')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_down_arrow_moves_cursor/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_down_arrow_moves_cursor/cursor')
|
||
-- the screen is unchanged
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_down_arrow_moves_cursor/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_moves_cursor/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_down_arrow_moves_cursor/screen:3')
|
||
end
|
||
|
||
function test_down_arrow_scrolls_down_by_one_line()
|
||
io.write('\ntest_down_arrow_scrolls_down_by_one_line')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=3, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_down_arrow_scrolls_down_by_one_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_down_arrow_scrolls_down_by_one_line/baseline/screen:3')
|
||
-- after hitting the down arrow the screen scrolls down by one line
|
||
edit.run_after_keychord(Editor_state, 'down')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_down_arrow_scrolls_down_by_one_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 4, 'F - test_down_arrow_scrolls_down_by_one_line/cursor')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_down_arrow_scrolls_down_by_one_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_down_arrow_scrolls_down_by_one_line/screen:3')
|
||
end
|
||
|
||
function test_down_arrow_scrolls_down_by_one_screen_line()
|
||
io.write('\ntest_down_arrow_scrolls_down_by_one_screen_line')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=3, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_down_arrow_scrolls_down_by_one_screen_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_screen_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_down_arrow_scrolls_down_by_one_screen_line/baseline/screen:3') -- line wrapping includes trailing whitespace
|
||
-- after hitting the down arrow the screen scrolls down by one line
|
||
edit.run_after_keychord(Editor_state, 'down')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_down_arrow_scrolls_down_by_one_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_down_arrow_scrolls_down_by_one_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 5, 'F - test_down_arrow_scrolls_down_by_one_screen_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_down_arrow_scrolls_down_by_one_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_down_arrow_scrolls_down_by_one_screen_line/screen:3')
|
||
end
|
||
|
||
function test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word()
|
||
io.write('\ntest_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghijkl', 'mno'}
|
||
Editor_state.cursor1 = {line=3, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghijk', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/baseline/screen:3')
|
||
-- after hitting the down arrow the screen scrolls down by one line
|
||
edit.run_after_keychord(Editor_state, 'down')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 6, 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghijk', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'l', 'F - test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word/screen:3')
|
||
end
|
||
|
||
function test_page_down_followed_by_down_arrow_does_not_scroll_screen_up()
|
||
io.write('\ntest_page_down_followed_by_down_arrow_does_not_scroll_screen_up')
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghijkl', 'mno'}
|
||
Editor_state.cursor1 = {line=3, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghijk', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline/screen:3')
|
||
-- after hitting pagedown the screen scrolls down to start of a long line
|
||
edit.run_after_keychord(Editor_state, 'pagedown')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/baseline2/cursor:pos')
|
||
-- after hitting down arrow the screen doesn't scroll down further, and certainly doesn't scroll up
|
||
edit.run_after_keychord(Editor_state, 'down')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 6, 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghijk', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'l', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_page_down_followed_by_down_arrow_does_not_scroll_screen_up/screen:3')
|
||
end
|
||
|
||
function test_up_arrow_moves_cursor()
|
||
io.write('\ntest_up_arrow_moves_cursor')
|
||
-- display the first 3 lines with the cursor on the bottom line
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=3, pos=1}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_up_arrow_moves_cursor/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_moves_cursor/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_moves_cursor/baseline/screen:3')
|
||
-- after hitting the up arrow the cursor moves up by 1 line
|
||
edit.run_after_keychord(Editor_state, 'up')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_moves_cursor/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_up_arrow_moves_cursor/cursor')
|
||
-- the screen is unchanged
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_up_arrow_moves_cursor/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_moves_cursor/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_moves_cursor/screen:3')
|
||
end
|
||
|
||
function test_up_arrow_scrolls_up_by_one_line()
|
||
io.write('\ntest_up_arrow_scrolls_up_by_one_line')
|
||
-- display the lines 2/3/4 with the cursor on line 2
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_line/baseline/screen:3')
|
||
-- after hitting the up arrow the screen scrolls up by one line
|
||
edit.run_after_keychord(Editor_state, 'up')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_by_one_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_by_one_line/cursor')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_by_one_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_by_one_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_by_one_line/screen:3')
|
||
end
|
||
|
||
function test_up_arrow_scrolls_up_by_one_screen_line()
|
||
io.write('\ntest_up_arrow_scrolls_up_by_one_screen_line')
|
||
-- display lines starting from second screen line of a line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=3, pos=6}
|
||
Editor_state.screen_top1 = {line=3, pos=5}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_screen_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_by_one_screen_line/baseline/screen:2')
|
||
-- after hitting the up arrow the screen scrolls up to first screen line
|
||
edit.run_after_keychord(Editor_state, 'up')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghi ', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen:3')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen_top')
|
||
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_up_arrow_scrolls_up_by_one_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_up_arrow_scrolls_up_by_one_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_up_arrow_scrolls_up_by_one_screen_line/cursor:pos')
|
||
end
|
||
|
||
function test_up_arrow_scrolls_up_to_final_screen_line()
|
||
io.write('\ntest_up_arrow_scrolls_up_to_final_screen_line')
|
||
-- display lines starting just after a long line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_up_arrow_scrolls_up_to_final_screen_line/baseline/screen:3')
|
||
-- after hitting the up arrow the screen scrolls up to final screen line of previous line
|
||
edit.run_after_keychord(Editor_state, 'up')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen:3')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen_top')
|
||
check_eq(Editor_state.screen_top1.pos, 5, 'F - test_up_arrow_scrolls_up_to_final_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_to_final_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 5, 'F - test_up_arrow_scrolls_up_to_final_screen_line/cursor:pos')
|
||
end
|
||
|
||
function test_up_arrow_scrolls_up_to_empty_line()
|
||
io.write('\ntest_up_arrow_scrolls_up_to_empty_line')
|
||
-- display a screenful of text with an empty line just above it outside the screen
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'', 'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_up_arrow_scrolls_up_to_empty_line/baseline/screen:3')
|
||
-- after hitting the up arrow the screen scrolls up by one line
|
||
edit.run_after_keychord(Editor_state, 'up')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/cursor')
|
||
y = Editor_state.top
|
||
-- empty first line
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'abc', 'F - test_up_arrow_scrolls_up_to_empty_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_up_arrow_scrolls_up_to_empty_line/screen:3')
|
||
end
|
||
|
||
function test_pageup()
|
||
io.write('\ntest_pageup')
|
||
App.screen.init{width=120, height=45}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- initially the last two lines are displayed
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_pageup/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_pageup/baseline/screen:2')
|
||
-- after pageup the cursor goes to first line
|
||
edit.run_after_keychord(Editor_state, 'pageup')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup/cursor')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_pageup/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_pageup/screen:2')
|
||
end
|
||
|
||
function test_pageup_scrolls_up_by_screen_line()
|
||
io.write('\ntest_pageup_scrolls_up_by_screen_line')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'ghi', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_pageup_scrolls_up_by_screen_line/baseline/screen:3') -- line wrapping includes trailing whitespace
|
||
-- after hitting the page-up key the screen scrolls up to top
|
||
edit.run_after_keychord(Editor_state, 'pageup')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup_scrolls_up_by_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup_scrolls_up_by_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_pageup_scrolls_up_by_screen_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc ', 'F - test_pageup_scrolls_up_by_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_pageup_scrolls_up_by_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_pageup_scrolls_up_by_screen_line/screen:3')
|
||
end
|
||
|
||
function test_pageup_scrolls_up_from_middle_screen_line()
|
||
io.write('\ntest_pageup_scrolls_up_from_middle_screen_line')
|
||
-- display a few lines starting from the middle of a line (Editor_state.cursor1.pos > 1)
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def', 'ghi jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=2, pos=5}
|
||
Editor_state.screen_top1 = {line=2, pos=5}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_pageup_scrolls_up_from_middle_screen_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_pageup_scrolls_up_from_middle_screen_line/baseline/screen:3') -- line wrapping includes trailing whitespace
|
||
-- after hitting the page-up key the screen scrolls up to top
|
||
edit.run_after_keychord(Editor_state, 'pageup')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_pageup_scrolls_up_from_middle_screen_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc ', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_pageup_scrolls_up_from_middle_screen_line/screen:3')
|
||
end
|
||
|
||
function test_enter_on_bottom_line_scrolls_down()
|
||
io.write('\ntest_enter_on_bottom_line_scrolls_down')
|
||
-- display a few lines with cursor on bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=3, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_enter_on_bottom_line_scrolls_down/baseline/screen:3')
|
||
-- after hitting the enter key the screen scrolls down
|
||
edit.run_after_keychord(Editor_state, 'return')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_enter_on_bottom_line_scrolls_down/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 4, 'F - test_enter_on_bottom_line_scrolls_down/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_enter_on_bottom_line_scrolls_down/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_enter_on_bottom_line_scrolls_down/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'g', 'F - test_enter_on_bottom_line_scrolls_down/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'hi', 'F - test_enter_on_bottom_line_scrolls_down/screen:3')
|
||
end
|
||
|
||
function test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom()
|
||
io.write('\ntest_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom')
|
||
-- display just the bottom line on screen
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=4, pos=2}
|
||
Editor_state.screen_top1 = {line=4, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/baseline/screen:1')
|
||
-- after hitting the enter key the screen does not scroll down
|
||
edit.run_after_keychord(Editor_state, 'return')
|
||
check_eq(Editor_state.screen_top1.line, 4, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 5, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'j', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'kl', 'F - test_enter_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:2')
|
||
end
|
||
|
||
function test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom()
|
||
io.write('\ntest_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom')
|
||
-- display just an empty bottom line on screen
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', ''}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- after hitting the inserting_text key the screen does not scroll down
|
||
edit.run_after_textinput(Editor_state, 'a')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 2, 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/cursor:pos')
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'a', 'F - test_inserting_text_on_final_line_avoids_scrolling_down_when_not_at_bottom/screen:1')
|
||
end
|
||
|
||
function test_typing_on_bottom_line_scrolls_down()
|
||
io.write('\ntest_typing_on_bottom_line_scrolls_down')
|
||
-- display a few lines with cursor on bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=3, pos=4}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_typing_on_bottom_line_scrolls_down/baseline/screen:3')
|
||
-- after typing something the line wraps and the screen scrolls down
|
||
edit.run_after_textinput(Editor_state, 'j')
|
||
edit.run_after_textinput(Editor_state, 'k')
|
||
edit.run_after_textinput(Editor_state, 'l')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_typing_on_bottom_line_scrolls_down/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_typing_on_bottom_line_scrolls_down/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 7, 'F - test_typing_on_bottom_line_scrolls_down/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_typing_on_bottom_line_scrolls_down/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghijk', 'F - test_typing_on_bottom_line_scrolls_down/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'l', 'F - test_typing_on_bottom_line_scrolls_down/screen:3')
|
||
end
|
||
|
||
function test_left_arrow_scrolls_up_in_wrapped_line()
|
||
io.write('\ntest_left_arrow_scrolls_up_in_wrapped_line')
|
||
-- display lines starting from second screen line of a line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.screen_top1 = {line=3, pos=5}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- cursor is at top of screen
|
||
Editor_state.cursor1 = {line=3, pos=5}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:2')
|
||
-- after hitting the left arrow the screen scrolls up to first screen line
|
||
edit.run_after_keychord(Editor_state, 'left')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghi ', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:3')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:pos')
|
||
end
|
||
|
||
function test_right_arrow_scrolls_down_in_wrapped_line()
|
||
io.write('\ntest_right_arrow_scrolls_down_in_wrapped_line')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- cursor is at bottom right of screen
|
||
Editor_state.cursor1 = {line=3, pos=5}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace
|
||
-- after hitting the right arrow the screen scrolls down by one line
|
||
edit.run_after_keychord(Editor_state, 'right')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 6, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:3')
|
||
end
|
||
|
||
function test_home_scrolls_up_in_wrapped_line()
|
||
io.write('\ntest_home_scrolls_up_in_wrapped_line')
|
||
-- display lines starting from second screen line of a line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.screen_top1 = {line=3, pos=5}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- cursor is at top of screen
|
||
Editor_state.cursor1 = {line=3, pos=5}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:2')
|
||
-- after hitting home the screen scrolls up to first screen line
|
||
edit.run_after_keychord(Editor_state, 'home')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghi ', 'F - test_home_scrolls_up_in_wrapped_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/screen:3')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/cursor:pos')
|
||
end
|
||
|
||
function test_end_scrolls_down_in_wrapped_line()
|
||
io.write('\ntest_end_scrolls_down_in_wrapped_line')
|
||
-- display the first three lines with the cursor on the bottom line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- cursor is at bottom right of screen
|
||
Editor_state.cursor1 = {line=3, pos=5}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace
|
||
-- after hitting end the screen scrolls down by one line
|
||
edit.run_after_keychord(Editor_state, 'end')
|
||
check_eq(Editor_state.screen_top1.line, 2, 'F - test_end_scrolls_down_in_wrapped_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_end_scrolls_down_in_wrapped_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 8, 'F - test_end_scrolls_down_in_wrapped_line/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_end_scrolls_down_in_wrapped_line/screen:3')
|
||
end
|
||
|
||
function test_position_cursor_on_recently_edited_wrapping_line()
|
||
-- draw a line wrapping over 2 screen lines
|
||
io.write('\ntest_position_cursor_on_recently_edited_wrapping_line')
|
||
App.screen.init{width=100, height=200}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc def ghi jkl mno pqr ', 'xyz'}
|
||
Editor_state.cursor1 = {line=1, pos=25}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc def ghi ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl mno pqr ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'xyz', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline1/screen:3')
|
||
-- add to the line until it's wrapping over 3 screen lines
|
||
edit.run_after_textinput(Editor_state, 's')
|
||
edit.run_after_textinput(Editor_state, 't')
|
||
edit.run_after_textinput(Editor_state, 'u')
|
||
check_eq(Editor_state.cursor1.pos, 28, 'F - test_move_cursor_using_mouse/cursor:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc def ghi ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl mno pqr ', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'stu', 'F - test_position_cursor_on_recently_edited_wrapping_line/baseline2/screen:3')
|
||
-- try to move the cursor earlier in the third screen line by clicking the mouse
|
||
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+Editor_state.line_height*2+5, 1)
|
||
-- cursor should move
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_move_cursor_using_mouse/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 26, 'F - test_move_cursor_using_mouse/cursor:pos')
|
||
end
|
||
|
||
function test_backspace_can_scroll_up()
|
||
io.write('\ntest_backspace_can_scroll_up')
|
||
-- display the lines 2/3/4 with the cursor on line 2
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.screen_top1 = {line=2, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'def', 'F - test_backspace_can_scroll_up/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_backspace_can_scroll_up/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_backspace_can_scroll_up/baseline/screen:3')
|
||
-- after hitting backspace the screen scrolls up by one line
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.screen_top1.line, 1, 'F - test_backspace_can_scroll_up/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 1, 'F - test_backspace_can_scroll_up/cursor')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abcdef', 'F - test_backspace_can_scroll_up/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'ghi', 'F - test_backspace_can_scroll_up/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'jkl', 'F - test_backspace_can_scroll_up/screen:3')
|
||
end
|
||
|
||
function test_backspace_can_scroll_up_screen_line()
|
||
io.write('\ntest_backspace_can_scroll_up_screen_line')
|
||
-- display lines starting from second screen line of a line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=3, pos=5}
|
||
Editor_state.screen_top1 = {line=3, pos=5}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'jkl', 'F - test_backspace_can_scroll_up_screen_line/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_backspace_can_scroll_up_screen_line/baseline/screen:2')
|
||
-- after hitting backspace the screen scrolls up by one screen line
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'ghijk', 'F - test_backspace_can_scroll_up_screen_line/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'l', 'F - test_backspace_can_scroll_up_screen_line/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'mno', 'F - test_backspace_can_scroll_up_screen_line/screen:3')
|
||
check_eq(Editor_state.screen_top1.line, 3, 'F - test_backspace_can_scroll_up_screen_line/screen_top')
|
||
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_backspace_can_scroll_up_screen_line/screen_top')
|
||
check_eq(Editor_state.cursor1.line, 3, 'F - test_backspace_can_scroll_up_screen_line/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_backspace_can_scroll_up_screen_line/cursor:pos')
|
||
end
|
||
|
||
function test_backspace_past_line_boundary()
|
||
io.write('\ntest_backspace_past_line_boundary')
|
||
-- position cursor at start of a (non-first) line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
-- backspace joins with previous line
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'abcdef', "F - test_backspace_past_line_boundary")
|
||
end
|
||
|
||
-- some tests for operating over selections created using Shift- chords
|
||
-- we're just testing delete_selection, and it works the same for all keys
|
||
|
||
function test_backspace_over_selection()
|
||
io.write('\ntest_backspace_over_selection')
|
||
-- select just one character within a line with cursor before selection
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
-- backspace deletes the selected character, even though it's after the cursor
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'bc', "F - test_backspace_over_selection/data")
|
||
-- cursor (remains) at start of selection
|
||
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_selection/cursor:line")
|
||
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_over_selection/cursor:pos")
|
||
-- selection is cleared
|
||
check_nil(Editor_state.selection1.line, "F - test_backspace_over_selection/selection")
|
||
end
|
||
|
||
function test_backspace_over_selection_reverse()
|
||
io.write('\ntest_backspace_over_selection_reverse')
|
||
-- select just one character within a line with cursor after selection
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.selection1 = {line=1, pos=1}
|
||
-- backspace deletes the selected character
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'bc', "F - test_backspace_over_selection_reverse/data")
|
||
-- cursor moves to start of selection
|
||
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_selection_reverse/cursor:line")
|
||
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_over_selection_reverse/cursor:pos")
|
||
-- selection is cleared
|
||
check_nil(Editor_state.selection1.line, "F - test_backspace_over_selection_reverse/selection")
|
||
end
|
||
|
||
function test_backspace_over_multiple_lines()
|
||
io.write('\ntest_backspace_over_multiple_lines')
|
||
-- select just one character within a line with cursor after selection
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.selection1 = {line=4, pos=2}
|
||
-- backspace deletes the region and joins the remaining portions of lines on either side
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'akl', "F - test_backspace_over_multiple_lines/data:1")
|
||
check_eq(Editor_state.lines[2].data, 'mno', "F - test_backspace_over_multiple_lines/data:2")
|
||
-- cursor remains at start of selection
|
||
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_multiple_lines/cursor:line")
|
||
check_eq(Editor_state.cursor1.pos, 2, "F - test_backspace_over_multiple_lines/cursor:pos")
|
||
-- selection is cleared
|
||
check_nil(Editor_state.selection1.line, "F - test_backspace_over_multiple_lines/selection")
|
||
end
|
||
|
||
function test_backspace_to_end_of_line()
|
||
io.write('\ntest_backspace_to_end_of_line')
|
||
-- select region from cursor to end of line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=1, pos=2}
|
||
Editor_state.selection1 = {line=1, pos=4}
|
||
-- backspace deletes rest of line without joining to any other line
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'a', "F - test_backspace_to_start_of_line/data:1")
|
||
check_eq(Editor_state.lines[2].data, 'def', "F - test_backspace_to_start_of_line/data:2")
|
||
-- cursor remains at start of selection
|
||
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_to_start_of_line/cursor:line")
|
||
check_eq(Editor_state.cursor1.pos, 2, "F - test_backspace_to_start_of_line/cursor:pos")
|
||
-- selection is cleared
|
||
check_nil(Editor_state.selection1.line, "F - test_backspace_to_start_of_line/selection")
|
||
end
|
||
|
||
function test_backspace_to_start_of_line()
|
||
io.write('\ntest_backspace_to_start_of_line')
|
||
-- select region from cursor to start of line
|
||
App.screen.init{width=Editor_state.left+30, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl', 'mno'}
|
||
Editor_state.cursor1 = {line=2, pos=1}
|
||
Editor_state.selection1 = {line=2, pos=3}
|
||
-- backspace deletes beginning of line without joining to any other line
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.lines[1].data, 'abc', "F - test_backspace_to_start_of_line/data:1")
|
||
check_eq(Editor_state.lines[2].data, 'f', "F - test_backspace_to_start_of_line/data:2")
|
||
-- cursor remains at start of selection
|
||
check_eq(Editor_state.cursor1.line, 2, "F - test_backspace_to_start_of_line/cursor:line")
|
||
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_to_start_of_line/cursor:pos")
|
||
-- selection is cleared
|
||
check_nil(Editor_state.selection1.line, "F - test_backspace_to_start_of_line/selection")
|
||
end
|
||
|
||
function test_undo_insert_text()
|
||
io.write('\ntest_undo_insert_text')
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'def', 'xyz'}
|
||
Editor_state.cursor1 = {line=2, pos=4}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- insert a character
|
||
edit.draw(Editor_state)
|
||
edit.run_after_textinput(Editor_state, 'g')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_insert_text/baseline/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 5, 'F - test_undo_insert_text/baseline/cursor:pos')
|
||
check_nil(Editor_state.selection1.line, 'F - test_undo_insert_text/baseline/selection:line')
|
||
check_nil(Editor_state.selection1.pos, 'F - test_undo_insert_text/baseline/selection:pos')
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_undo_insert_text/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'defg', 'F - test_undo_insert_text/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'xyz', 'F - test_undo_insert_text/baseline/screen:3')
|
||
-- undo
|
||
edit.run_after_keychord(Editor_state, 'C-z')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_insert_text/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_undo_insert_text/cursor:pos')
|
||
check_nil(Editor_state.selection1.line, 'F - test_undo_insert_text/selection:line')
|
||
check_nil(Editor_state.selection1.pos, 'F - test_undo_insert_text/selection:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_undo_insert_text/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_undo_insert_text/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'xyz', 'F - test_undo_insert_text/screen:3')
|
||
end
|
||
|
||
function test_undo_delete_text()
|
||
io.write('\ntest_undo_delete_text')
|
||
App.screen.init{width=120, height=60}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc', 'defg', 'xyz'}
|
||
Editor_state.cursor1 = {line=2, pos=5}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
-- delete a character
|
||
edit.run_after_keychord(Editor_state, 'backspace')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_delete_text/baseline/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 4, 'F - test_undo_delete_text/baseline/cursor:pos')
|
||
check_nil(Editor_state.selection1.line, 'F - test_undo_delete_text/baseline/selection:line')
|
||
check_nil(Editor_state.selection1.pos, 'F - test_undo_delete_text/baseline/selection:pos')
|
||
local y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_undo_delete_text/baseline/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'def', 'F - test_undo_delete_text/baseline/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'xyz', 'F - test_undo_delete_text/baseline/screen:3')
|
||
-- undo
|
||
--? -- after undo, the backspaced key is selected
|
||
edit.run_after_keychord(Editor_state, 'C-z')
|
||
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_delete_text/cursor:line')
|
||
check_eq(Editor_state.cursor1.pos, 5, 'F - test_undo_delete_text/cursor:pos')
|
||
check_nil(Editor_state.selection1.line, 'F - test_undo_delete_text/selection:line')
|
||
check_nil(Editor_state.selection1.pos, 'F - test_undo_delete_text/selection:pos')
|
||
--? check_eq(Editor_state.selection1.line, 2, 'F - test_undo_delete_text/selection:line')
|
||
--? check_eq(Editor_state.selection1.pos, 4, 'F - test_undo_delete_text/selection:pos')
|
||
y = Editor_state.top
|
||
App.screen.check(y, 'abc', 'F - test_undo_delete_text/screen:1')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'defg', 'F - test_undo_delete_text/screen:2')
|
||
y = y + Editor_state.line_height
|
||
App.screen.check(y, 'xyz', 'F - test_undo_delete_text/screen:3')
|
||
end
|
||
|
||
function test_undo_restores_selection()
|
||
io.write('\ntest_undo_restores_selection')
|
||
-- display a line of text with some part selected
|
||
App.screen.init{width=75, height=80}
|
||
Editor_state = edit.initialize_state(Margin_top, Margin_left, App.screen.width) -- zero right margin
|
||
Editor_state.lines = load_array{'abc'}
|
||
Editor_state.cursor1 = {line=1, pos=1}
|
||
Editor_state.selection1 = {line=1, pos=2}
|
||
Editor_state.screen_top1 = {line=1, pos=1}
|
||
Editor_state.screen_bottom1 = {}
|
||
edit.draw(Editor_state)
|
||
-- delete selected text
|
||
edit.run_after_textinput(Editor_state, 'x')
|
||
check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_undo_restores_selection/baseline')
|
||
check_nil(Editor_state.selection1.line, 'F - test_undo_restores_selection/baseline:selection')
|
||
-- undo
|
||
edit.run_after_keychord(Editor_state, 'C-z')
|
||
edit.run_after_keychord(Editor_state, 'C-z')
|
||
-- selection is restored
|
||
check_eq(Editor_state.selection1.line, 1, 'F - test_undo_restores_selection/line')
|
||
check_eq(Editor_state.selection1.pos, 2, 'F - test_undo_restores_selection/pos')
|
||
end
|