Files
termux-app/terminal-emulator/src/test/java/com/termux/terminal/ControlSequenceIntroducerTest.java

66 lines
3.3 KiB
Java

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