359 lines
19 KiB
Forth
359 lines
19 KiB
Forth
# Some primitives for checking the state of fake screen objects.
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# validate data on screen regardless of attributes (color, bold, etc.)
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# Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.
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# Tab characters (that translate into multiple screen cells) not supported.
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fn check-screen-row screen: (addr screen), y: int, expected: (addr array byte), msg: (addr array byte) {
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check-screen-row-from screen, 0/x, y, expected, msg
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}
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fn check-screen-row-from _screen: (addr screen), x: int, y: int, expected: (addr array byte), msg: (addr array byte) {
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var screen/esi: (addr screen) <- copy _screen
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var failure-count/edi: int <- copy 0
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var index/ecx: int <- screen-cell-index screen, x, y
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# compare 'expected' with the screen contents starting at 'index', grapheme by grapheme
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var e: (stream byte 0x100)
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var e-addr/edx: (addr stream byte) <- address e
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write e-addr, expected
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{
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var done?/eax: boolean <- stream-empty? e-addr
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compare done?, 0
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break-if-!=
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{
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var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
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compare unused?, 0/false
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break-if-!=
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var _c/eax: code-point <- screen-code-point-at-index screen, index
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var c/ebx: code-point <- copy _c
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var expected-grapheme/eax: grapheme <- read-grapheme e-addr
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var expected-code-point/eax: code-point <- to-code-point expected-grapheme
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# compare graphemes
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$check-screen-row-from:compare-graphemes: {
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# if expected-code-point is space, null grapheme is also ok
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{
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compare expected-code-point, 0x20
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break-if-!=
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compare c, 0
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break-if-= $check-screen-row-from:compare-graphemes
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}
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# if (c == expected-code-point) print "."
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compare c, expected-code-point
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break-if-=
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# otherwise print an error
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failure-count <- increment
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, c, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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}
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}
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index <- increment
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increment x
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loop
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}
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# if any assertions failed, count the test as failed
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compare failure-count, 0
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{
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break-if-=
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count-test-failure
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return
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}
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# otherwise print a "."
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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}
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# various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute
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fn check-screen-row-in-color screen: (addr screen), fg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
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check-screen-row-in-color-from screen, fg, y, 0/x, expected, msg
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}
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fn check-screen-row-in-color-from _screen: (addr screen), fg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
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var screen/esi: (addr screen) <- copy _screen
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var index/ecx: int <- screen-cell-index screen, x, y
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# compare 'expected' with the screen contents starting at 'index', grapheme by grapheme
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var e: (stream byte 0x100)
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var e-addr/edx: (addr stream byte) <- address e
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write e-addr, expected
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{
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var done?/eax: boolean <- stream-empty? e-addr
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compare done?, 0
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break-if-!=
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{
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var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
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compare unused?, 0/false
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break-if-!=
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var _c/eax: code-point <- screen-code-point-at-index screen, index
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var c/ebx: code-point <- copy _c
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var expected-grapheme/eax: grapheme <- read-grapheme e-addr
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var _expected-code-point/eax: code-point <- to-code-point expected-grapheme
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var expected-code-point/edi: code-point <- copy _expected-code-point
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$check-screen-row-in-color-from:compare-cells: {
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# if expected-code-point is space, null grapheme is also ok
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{
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compare expected-code-point, 0x20
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break-if-!=
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compare c, 0
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break-if-= $check-screen-row-in-color-from:compare-cells
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}
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# if expected-code-point is space, a different color is ok
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{
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compare expected-code-point, 0x20
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break-if-!=
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var color/eax: int <- screen-color-at-index screen, index
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compare color, fg
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break-if-!= $check-screen-row-in-color-from:compare-cells
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}
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# compare graphemes
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$check-screen-row-in-color-from:compare-graphemes: {
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# if (c == expected-code-point) print "."
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compare c, expected-code-point
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{
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break-if-!=
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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break $check-screen-row-in-color-from:compare-graphemes
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}
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# otherwise print an error
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count-test-failure
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, c, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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}
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$check-screen-row-in-color-from:compare-colors: {
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var color/eax: int <- screen-color-at-index screen, index
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compare fg, color
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{
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break-if-!=
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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break $check-screen-row-in-color-from:compare-colors
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}
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# otherwise print an error
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count-test-failure
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, fg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, color, 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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}
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}
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}
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index <- increment
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increment x
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loop
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}
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}
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fn check-screen-row-in-background-color screen: (addr screen), bg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
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check-screen-row-in-background-color-from screen, bg, y, 0/x, expected, msg
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}
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fn check-screen-row-in-background-color-from _screen: (addr screen), bg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
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var screen/esi: (addr screen) <- copy _screen
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var index/ecx: int <- screen-cell-index screen, x, y
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# compare 'expected' with the screen contents starting at 'index', grapheme by grapheme
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var e: (stream byte 0x100)
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var e-addr/edx: (addr stream byte) <- address e
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write e-addr, expected
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{
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var done?/eax: boolean <- stream-empty? e-addr
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compare done?, 0
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break-if-!=
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{
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var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
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compare unused?, 0/false
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break-if-!=
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var _g/eax: code-point <- screen-code-point-at-index screen, index
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var g/ebx: code-point <- copy _g
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var expected-grapheme/eax: grapheme <- read-grapheme e-addr
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var _expected-code-point/eax: code-point <- to-code-point expected-grapheme
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var expected-code-point/edi: code-point <- copy _expected-code-point
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$check-screen-row-in-background-color-from:compare-cells: {
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# if expected-code-point is space, null grapheme is also ok
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{
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compare expected-code-point, 0x20
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break-if-!=
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compare g, 0
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break-if-= $check-screen-row-in-background-color-from:compare-cells
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}
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# if expected-code-point is space, a different background-color is ok
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{
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compare expected-code-point, 0x20
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break-if-!=
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var background-color/eax: int <- screen-background-color-at-index screen, index
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compare background-color, bg
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break-if-!= $check-screen-row-in-background-color-from:compare-cells
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}
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# compare graphemes
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$check-screen-row-in-background-color-from:compare-graphemes: {
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# if (g == expected-code-point) print "."
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compare g, expected-code-point
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{
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break-if-!=
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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break $check-screen-row-in-background-color-from:compare-graphemes
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}
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# otherwise print an error
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count-test-failure
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, g, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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break $check-screen-row-in-background-color-from:compare-graphemes
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}
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$check-screen-row-in-background-color-from:compare-background-colors: {
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var background-color/eax: int <- screen-background-color-at-index screen, index
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compare bg, background-color
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{
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break-if-!=
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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break $check-screen-row-in-background-color-from:compare-background-colors
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}
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# otherwise print an error
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count-test-failure
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
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draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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}
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}
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}
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index <- increment
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increment x
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loop
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}
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}
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# helpers for checking just background color, not screen contents
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# these can validate bg for spaces
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fn check-background-color-in-screen-row screen: (addr screen), bg: int, y: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
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check-background-color-in-screen-row-from screen, bg, y, 0/x, expected-bitmap, msg
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}
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fn check-background-color-in-screen-row-from _screen: (addr screen), bg: int, y: int, x: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
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var screen/esi: (addr screen) <- copy _screen
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var failure-count: int
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var index/ecx: int <- screen-cell-index screen, x, y
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# compare background color where 'expected-bitmap' is a non-space
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var e: (stream byte 0x100)
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var e-addr/edx: (addr stream byte) <- address e
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write e-addr, expected-bitmap
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{
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var done?/eax: boolean <- stream-empty? e-addr
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compare done?, 0
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break-if-!=
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{
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var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
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compare unused?, 0/false
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break-if-!=
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var _expected-bit/eax: grapheme <- read-grapheme e-addr
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var expected-bit/edi: grapheme <- copy _expected-bit
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$check-background-color-in-screen-row-from:compare-cells: {
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var background-color/eax: int <- screen-background-color-at-index screen, index
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# if expected-bit is space, assert that background is NOT bg
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compare expected-bit, 0x20
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{
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break-if-!=
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compare background-color, bg
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break-if-!= $check-background-color-in-screen-row-from:compare-cells
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increment failure-count
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") to not be in background-color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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break $check-background-color-in-screen-row-from:compare-cells
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}
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# otherwise assert that background IS bg
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compare background-color, bg
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break-if-= $check-background-color-in-screen-row-from:compare-cells
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increment failure-count
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
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draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg/cyan, 0/bg
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draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg/cyan, 0/bg
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move-cursor-to-left-margin-of-next-line 0/screen
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}
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}
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index <- increment
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increment x
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loop
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}
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# if any assertions failed, count the test as failed
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compare failure-count, 0
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{
|
|
break-if-=
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|
count-test-failure
|
|
return
|
|
}
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|
# otherwise print a "."
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|
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
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|
}
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|
|
|
fn test-draw-single-grapheme {
|
|
var _screen: screen
|
|
var screen/esi: (addr screen) <- address _screen
|
|
initialize-screen screen, 5, 4, 0/no-pixel-graphics
|
|
var dummy/eax: int <- draw-code-point screen, 0x61/a, 0/x, 0/y, 1/fg, 2/bg
|
|
check-screen-row screen, 0/y, "a", "F - test-draw-single-grapheme" # top-left corner of the screen
|
|
check-screen-row-in-color screen, 1/fg, 0/y, "a", "F - test-draw-single-grapheme-fg"
|
|
check-screen-row-in-background-color screen, 2/bg, 0/y, "a", "F - test-draw-single-grapheme-bg"
|
|
check-background-color-in-screen-row screen, 2/bg, 0/y, "x ", "F - test-draw-single-grapheme-bg2"
|
|
}
|
|
|
|
fn test-draw-multiple-graphemes {
|
|
var _screen: screen
|
|
var screen/esi: (addr screen) <- address _screen
|
|
initialize-screen screen, 0x10/rows, 4/cols, 0/no-pixel-graphics
|
|
draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, "Hello, 世界", 1/fg, 2/bg
|
|
check-screen-row screen, 0/y, "Hello, 世界", "F - test-draw-multiple-graphemes"
|
|
check-screen-row-in-color screen, 1/fg, 0/y, "Hello, 世界", "F - test-draw-multiple-graphemes-fg"
|
|
check-background-color-in-screen-row screen, 2/bg, 0/y, "xxxxxxxxx ", "F - test-draw-multiple-graphemes-bg2"
|
|
}
|