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66 lines
3.3 KiB
Java
66 lines
3.3 KiB
Java
package com.termux.terminal;
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/** "\033[" is the Control Sequence Introducer char sequence (CSI). */
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public class ControlSequenceIntroducerTest extends TerminalTestCase {
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/** CSI Ps P Scroll down Ps lines (default = 1) (SD). */
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public void testCsiT() {
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withTerminalSized(4, 6).enterString("1\r\n2\r\n3\r\nhi\033[2Tyo\r\nA\r\nB").assertLinesAre(" ", " ", "1 ", "2 yo", "A ",
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"Bi ");
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// Default value (1):
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withTerminalSized(4, 6).enterString("1\r\n2\r\n3\r\nhi\033[Tyo\r\nA\r\nB").assertLinesAre(" ", "1 ", "2 ", "3 yo", "Ai ",
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"B ");
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}
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/** CSI Ps S Scroll up Ps lines (default = 1) (SU). */
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public void testCsiS() {
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// The behaviour here is a bit inconsistent between terminals - this is how the OS X Terminal.app does it:
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withTerminalSized(3, 4).enterString("1\r\n2\r\n3\r\nhi\033[2Sy").assertLinesAre("3 ", "hi ", " ", " y");
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// Default value (1):
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withTerminalSized(3, 4).enterString("1\r\n2\r\n3\r\nhi\033[Sy").assertLinesAre("2 ", "3 ", "hi ", " y");
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}
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/** CSI Ps X Erase Ps Character(s) (default = 1) (ECH). */
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public void testCsiX() {
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// See https://code.google.com/p/chromium/issues/detail?id=212712 where test was extraced from.
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withTerminalSized(13, 2).enterString("abcdefghijkl\b\b\b\b\b\033[X").assertLinesAre("abcdefg ijkl ", " ");
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withTerminalSized(13, 2).enterString("abcdefghijkl\b\b\b\b\b\033[1X").assertLinesAre("abcdefg ijkl ", " ");
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withTerminalSized(13, 2).enterString("abcdefghijkl\b\b\b\b\b\033[2X").assertLinesAre("abcdefg jkl ", " ");
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withTerminalSized(13, 2).enterString("abcdefghijkl\b\b\b\b\b\033[20X").assertLinesAre("abcdefg ", " ");
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}
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/** CSI Pm m Set SGR parameter(s) from semicolon-separated list Pm. */
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public void testCsiSGRParameters() {
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// Set more parameters (19) than supported (16). Additional parameters should be silently consumed.
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withTerminalSized(3, 2).enterString("\033[0;38;2;255;255;255;48;2;0;0;0;1;2;3;4;5;7;8;9mabc").assertLinesAre("abc", " ");
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}
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/** CSI Ps b Repeat the preceding graphic character Ps times (REP). */
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public void testRepeat() {
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withTerminalSized(3, 2).enterString("a\033[b").assertLinesAre("aa ", " ");
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withTerminalSized(3, 2).enterString("a\033[2b").assertLinesAre("aaa", " ");
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// When no char has been output we ignore REP:
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withTerminalSized(3, 2).enterString("\033[b").assertLinesAre(" ", " ");
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// This shows that REP outputs the last emitted code point and not the one relative to the
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// current cursor position:
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withTerminalSized(5, 2).enterString("abcde\033[2G\033[2b\n").assertLinesAre("aeede", " ");
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}
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/** CSI 3 J Clear scrollback (xterm, libvte; non-standard). */
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public void testCsi3J() {
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withTerminalSized(3, 2).enterString("a\r\nb\r\nc\r\nd");
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assertEquals("a\nb\nc\nd", mTerminal.getScreen().getTranscriptText());
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enterString("\033[3J");
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assertEquals("c\nd", mTerminal.getScreen().getTranscriptText());
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withTerminalSized(3, 2).enterString("Lorem_ipsum");
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assertEquals("Lorem_ipsum", mTerminal.getScreen().getTranscriptText());
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enterString("\033[3J");
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assertEquals("ipsum", mTerminal.getScreen().getTranscriptText());
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withTerminalSized(3, 2).enterString("w\r\nx\r\ny\r\nz\033[?1049h\033[3J\033[?1049l");
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assertEquals("y\nz", mTerminal.getScreen().getTranscriptText());
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}
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}
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