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Implement CSI 3 J - Clear transcript

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This commit is contained in:
iamahuman
2019-01-25 12:31:35 +09:00
committed by Fredrik Fornwall
parent c986a46fb9
commit 2a36b915cb
4 changed files with 35 additions and 2 deletions
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16
terminal-emulator/src/test/java/com/termux/terminal/ControlSequenceIntroducerTest.java
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@@ -46,4 +46,20 @@ public class ControlSequenceIntroducerTest extends TerminalTestCase {
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());
}
}