mirror of
https://github.com/termux/termux-app
synced 2024-06-14 13:26:39 +00:00
847745a06e
Remove tests that asserted that Cursor Down (CUD) and Cursor Up (CUU) escape sequences were affected by the scrolling region set by DECSTBM. This was incorrect and recently fixed: https://github.com/termux/termux-app/issues/1340
267 lines
14 KiB
Java
267 lines
14 KiB
Java
package com.termux.terminal;
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import org.junit.Assert;
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public class CursorAndScreenTest extends TerminalTestCase {
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public void testDeleteLinesKeepsStyles() {
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int cols = 5, rows = 5;
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withTerminalSized(cols, rows);
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for (int row = 0; row < 5; row++) {
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for (int col = 0; col < 5; col++) {
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// Foreground color to col, background to row:
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enterString("\033[38;5;" + col + "m");
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enterString("\033[48;5;" + row + "m");
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enterString(Character.toString((char) ('A' + col + row * 5)));
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}
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}
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assertLinesAre("ABCDE", "FGHIJ", "KLMNO", "PQRST", "UVWXY");
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for (int row = 0; row < 5; row++) {
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for (int col = 0; col < 5; col++) {
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long s = getStyleAt(row, col);
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Assert.assertEquals(col, TextStyle.decodeForeColor(s));
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Assert.assertEquals(row, TextStyle.decodeBackColor(s));
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}
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}
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// "${CSI}H" - place cursor at 1,1, then "${CSI}2M" to delete two lines.
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enterString("\033[H\033[2M");
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assertLinesAre("KLMNO", "PQRST", "UVWXY", " ", " ");
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for (int row = 0; row < 3; row++) {
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for (int col = 0; col < 5; col++) {
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long s = getStyleAt(row, col);
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Assert.assertEquals(col, TextStyle.decodeForeColor(s));
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Assert.assertEquals(row + 2, TextStyle.decodeBackColor(s));
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}
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}
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// Set default fg and background for the new blank lines:
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enterString("\033[38;5;98m");
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enterString("\033[48;5;99m");
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// "${CSI}B" to go down one line, then "${CSI}2L" to insert two lines:
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enterString("\033[B\033[2L");
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assertLinesAre("KLMNO", " ", " ", "PQRST", "UVWXY");
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for (int row = 0; row < 5; row++) {
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for (int col = 0; col < 5; col++) {
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int wantedForeground = (row == 1 || row == 2) ? 98 : col;
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int wantedBackground = (row == 1 || row == 2) ? 99 : (row == 0 ? 2 : row);
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long s = getStyleAt(row, col);
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Assert.assertEquals(wantedForeground, TextStyle.decodeForeColor(s));
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Assert.assertEquals(wantedBackground, TextStyle.decodeBackColor(s));
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}
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}
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}
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public void testDeleteCharacters() {
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withTerminalSized(5, 2).enterString("枝ce").assertLinesAre("枝ce ", " ");
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withTerminalSized(5, 2).enterString("a枝ce").assertLinesAre("a枝ce", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[P").assertLinesAre("ice ", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[2P").assertLinesAre("ce ", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[2G\033[2P").assertLinesAre("ne ", " ");
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// "${CSI}${n}P, the delete characters (DCH) sequence should cap characters to delete.
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[99P").assertLinesAre(" ", " ");
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// With combining char U+0302.
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[G\033[2P").assertLinesAre("ce ", " ");
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[G\033[P").assertLinesAre("ice ", " ");
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[2G\033[2P").assertLinesAre("n\u0302e ", " ");
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// With wide 枝 char, checking that putting char at part replaces other with whitespace:
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[Ga").assertLinesAre("a ce ", " ");
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[2Ga").assertLinesAre(" ace ", " ");
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// With wide 枝 char, deleting either part replaces other with whitespace:
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[G\033[P").assertLinesAre(" ce ", " ");
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[2G\033[P").assertLinesAre(" ce ", " ");
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[2G\033[2P").assertLinesAre(" e ", " ");
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withTerminalSized(5, 2).enterString("枝ce").enterString("\033[G\033[2P").assertLinesAre("ce ", " ");
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withTerminalSized(5, 2).enterString("a枝ce").enterString("\033[G\033[P").assertLinesAre("枝ce ", " ");
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}
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public void testInsertMode() {
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// "${CSI}4h" enables insert mode.
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[4hA").assertLinesAre("Anice", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[2G\033[4hA").assertLinesAre("nAice", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[4hABC").assertLinesAre("ABCni", " ");
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// With combining char U+0302.
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[G\033[4hA").assertLinesAre("An\u0302ice", " ");
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[G\033[4hAB").assertLinesAre("ABn\u0302ic", " ");
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withTerminalSized(5, 2).enterString("n\u0302ic\u0302e").enterString("\033[2G\033[4hA").assertLinesAre("n\u0302Aic\u0302e", " ");
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// ... but without insert mode, combining char should be overwritten:
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withTerminalSized(5, 2).enterString("n\u0302ice").enterString("\033[GA").assertLinesAre("Aice ", " ");
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// ... also with two combining:
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withTerminalSized(5, 2).enterString("n\u0302\u0302i\u0302ce").enterString("\033[GA").assertLinesAre("Ai\u0302ce ", " ");
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// ... and in last column:
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withTerminalSized(5, 2).enterString("n\u0302\u0302ice!\u0302").enterString("\033[5GA").assertLinesAre("n\u0302\u0302iceA", " ");
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withTerminalSized(5, 2).enterString("nic\u0302e!\u0302").enterString("\033[4G枝").assertLinesAre("nic\u0302枝", " ");
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withTerminalSized(5, 2).enterString("nic枝\u0302").enterString("\033[3GA").assertLinesAre("niA枝\u0302", " ");
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withTerminalSized(5, 2).enterString("nic枝\u0302").enterString("\033[3GA").assertLinesAre("niA枝\u0302", " ");
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// With wide 枝 char.
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withTerminalSized(5, 2).enterString("nice").enterString("\033[G\033[4h枝").assertLinesAre("枝nic", " ");
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withTerminalSized(5, 2).enterString("nice").enterString("\033[2G\033[4h枝").assertLinesAre("n枝ic", " ");
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withTerminalSized(5, 2).enterString("n枝ce").enterString("\033[G\033[4ha").assertLinesAre("an枝c", " ");
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}
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/** HPA—Horizontal Position Absolute (http://www.vt100.net/docs/vt510-rm/HPA) */
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public void testCursorHorizontalPositionAbsolute() {
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withTerminalSized(4, 4).enterString("ABC\033[`").assertCursorAt(0, 0);
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enterString("\033[1`").assertCursorAt(0, 0).enterString("\033[2`").assertCursorAt(0, 1);
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enterString("\r\n\033[3`").assertCursorAt(1, 2).enterString("\033[22`").assertCursorAt(1, 3);
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// Enable and configure right and left margins, first without origin mode:
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enterString("\033[?69h\033[2;3s\033[`").assertCursorAt(0, 0).enterString("\033[22`").assertCursorAt(0, 3);
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// .. now with origin mode:
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enterString("\033[?6h\033[`").assertCursorAt(0, 1).enterString("\033[22`").assertCursorAt(0, 2);
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}
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public void testCursorForward() {
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// "${CSI}${N:=1}C" moves cursor forward N columns:
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withTerminalSized(6, 2).enterString("A\033[CB\033[2CC").assertLinesAre("A B C", " ");
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// If an attempt is made to move the cursor to the right of the right margin, the cursor stops at the right margin:
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withTerminalSized(6, 2).enterString("A\033[44CB").assertLinesAre("A B", " ");
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// Enable right margin and verify that CUF ends at the set right margin:
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withTerminalSized(6, 2).enterString("\033[?69h\033[1;3s\033[44CAB").assertLinesAre(" A ", "B ");
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}
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public void testCursorBack() {
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// "${CSI}${N:=1}D" moves cursor back N columns:
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withTerminalSized(3, 2).enterString("A\033[DB").assertLinesAre("B ", " ");
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withTerminalSized(3, 2).enterString("AB\033[2DC").assertLinesAre("CB ", " ");
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// If an attempt is made to move the cursor to the left of the left margin, the cursor stops at the left margin:
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withTerminalSized(3, 2).enterString("AB\033[44DC").assertLinesAre("CB ", " ");
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// Enable left margin and verify that CUB ends at the set left margin:
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withTerminalSized(6, 2).enterString("ABCD\033[?69h\033[2;6s\033[44DE").assertLinesAre("AECD ", " ");
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}
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public void testCursorUp() {
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// "${CSI}${N:=1}A" moves cursor up N rows:
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withTerminalSized(3, 3).enterString("ABCDEFG\033[AH").assertLinesAre("ABC", "DHF", "G ");
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withTerminalSized(3, 3).enterString("ABCDEFG\033[2AH").assertLinesAre("AHC", "DEF", "G ");
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// If an attempt is made to move the cursor above the top margin, the cursor stops at the top margin:
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withTerminalSized(3, 3).enterString("ABCDEFG\033[44AH").assertLinesAre("AHC", "DEF", "G ");
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}
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public void testCursorDown() {
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// "${CSI}${N:=1}B" moves cursor down N rows:
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withTerminalSized(3, 3).enterString("AB\033[BC").assertLinesAre("AB ", " C", " ");
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withTerminalSized(3, 3).enterString("AB\033[2BC").assertLinesAre("AB ", " ", " C");
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// If an attempt is made to move the cursor below the bottom margin, the cursor stops at the bottom margin:
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withTerminalSized(3, 3).enterString("AB\033[44BC").assertLinesAre("AB ", " ", " C");
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}
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public void testReportCursorPosition() {
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withTerminalSized(10, 10);
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for (int i = 0; i < 10; i++) {
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for (int j = 0; j < 10; j++) {
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enterString("\033[" + (i + 1) + ";" + (j + 1) + "H"); // CUP cursor position.
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assertCursorAt(i, j);
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// Device Status Report (DSR):
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assertEnteringStringGivesResponse("\033[6n", "\033[" + (i + 1) + ";" + (j + 1) + "R");
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// DECXCPR — Extended Cursor Position. Note that http://www.vt100.net/docs/vt510-rm/DECXCPR says
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// the response is "${CSI}${LINE};${COLUMN};${PAGE}R" while xterm (http://invisible-island.net/xterm/ctlseqs/ctlseqs.html)
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// drops the question mark. Expect xterm behaviour here.
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assertEnteringStringGivesResponse("\033[?6n", "\033[?" + (i + 1) + ";" + (j + 1) + ";1R");
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}
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}
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}
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/**
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* See comments on horizontal tab handling in TerminalEmulator.java.
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*
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* We do not want to color already written cells when tabbing over them.
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*/
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public void DISABLED_testHorizontalTabColorsBackground() {
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withTerminalSized(10, 3).enterString("\033[48;5;15m").enterString("\t");
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assertCursorAt(0, 8);
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for (int i = 0; i < 10; i++) {
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int expectedColor = i < 8 ? 15 : TextStyle.COLOR_INDEX_BACKGROUND;
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assertEquals(expectedColor, TextStyle.decodeBackColor(getStyleAt(0, i)));
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}
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}
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/**
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* Test interactions between the cursor overflow bit and various escape sequences.
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* <p/>
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* Adapted from hterm:
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* https://chromium.googlesource.com/chromiumos/platform/assets/+/2337afa5c063127d5ce40ec7fec9b602d096df86%5E%21/#F2
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*/
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public void testClearingOfAutowrap() {
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// Fill a row with the last hyphen wrong, then run a command that
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// modifies the screen, then add a hyphen. The wrap bit should be
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// cleared, so the extra hyphen can fix the row.
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withTerminalSized(15, 6);
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enterString("----- 1 ----X");
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enterString("\033[K-"); // EL
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enterString("----- 2 ----X");
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enterString("\033[J-"); // ED
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enterString("----- 3 ----X");
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enterString("\033[@-"); // ICH
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enterString("----- 4 ----X");
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enterString("\033[P-"); // DCH
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enterString("----- 5 ----X");
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enterString("\033[X-"); // ECH
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// DL will delete the entire line but clear the wrap bit, so we
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// expect a hyphen at the end and nothing else.
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enterString("XXXXXXXXXXXXXXX");
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enterString("\033[M-"); // DL
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assertLinesAre(
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"----- 1 -----",
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"----- 2 -----",
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"----- 3 -----",
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"----- 4 -----",
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"----- 5 -----",
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" -");
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}
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public void testBackspaceAcrossWrappedLines() {
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// Backspace should not go to previous line if not auto-wrapped:
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withTerminalSized(3, 3).enterString("hi\r\n\b\byou").assertLinesAre("hi ", "you", " ");
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// Backspace should go to previous line if auto-wrapped:
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withTerminalSized(3, 3).enterString("hi y").assertLinesAre("hi ", "y ", " ").enterString("\b\b#").assertLinesAre("hi#", "y ", " ");
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// Initial backspace should do nothing:
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withTerminalSized(3, 3).enterString("\b\b\b\bhi").assertLinesAre("hi ", " ", " ");
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}
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public void testCursorSaveRestoreLocation() {
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// DEC save/restore
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withTerminalSized(4, 2).enterString("t\0337est\r\nme\0338ry ").assertLinesAre("try ", "me ");
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// ANSI.SYS save/restore
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withTerminalSized(4, 2).enterString("t\033[sest\r\nme\033[ury ").assertLinesAre("try ", "me ");
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// Alternate screen enter/exit
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withTerminalSized(4, 2).enterString("t\033[?1049h\033[Hest\r\nme").assertLinesAre("est ", "me ").enterString("\033[?1049lry").assertLinesAre("try ", " ");
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}
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public void testCursorSaveRestoreTextStyle() {
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long s;
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// DEC save/restore
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withTerminalSized(4, 2).enterString("\033[31;42;4m..\0337\033[36;47;24m\0338..");
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s = getStyleAt(0, 3);
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Assert.assertEquals(1, TextStyle.decodeForeColor(s));
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Assert.assertEquals(2, TextStyle.decodeBackColor(s));
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Assert.assertEquals(TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE, TextStyle.decodeEffect(s));
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// ANSI.SYS save/restore
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withTerminalSized(4, 2).enterString("\033[31;42;4m..\033[s\033[36;47;24m\033[u..");
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s = getStyleAt(0, 3);
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Assert.assertEquals(1, TextStyle.decodeForeColor(s));
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Assert.assertEquals(2, TextStyle.decodeBackColor(s));
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Assert.assertEquals(TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE, TextStyle.decodeEffect(s));
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// Alternate screen enter/exit
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withTerminalSized(4, 2);
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enterString("\033[31;42;4m..\033[?1049h\033[H\033[36;47;24m.");
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s = getStyleAt(0, 0);
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Assert.assertEquals(6, TextStyle.decodeForeColor(s));
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Assert.assertEquals(7, TextStyle.decodeBackColor(s));
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Assert.assertEquals(0, TextStyle.decodeEffect(s));
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enterString("\033[?1049l..");
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s = getStyleAt(0, 3);
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Assert.assertEquals(1, TextStyle.decodeForeColor(s));
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Assert.assertEquals(2, TextStyle.decodeBackColor(s));
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Assert.assertEquals(TextStyle.CHARACTER_ATTRIBUTE_UNDERLINE, TextStyle.decodeEffect(s));
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}
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}
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