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Code Issues Wiki Activity

Bug 573064: Test for full clear - extended "E3" capability

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Change-Id: Ic30dac68f870f04808eb9038c2ba61b1da9e983f
This commit is contained in:
Jonah Graham 2021-04-23 10:19:15 -04:00
parent 3e29cd6525
commit b044543451
1 changed files with 34 additions and 0 deletions
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34
terminal/plugins/org.eclipse.tm.terminal.test/src/org/eclipse/tm/internal/terminal/emulator/VT100EmulatorTest.java
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@ -33,6 +33,8 @@ public class VT100EmulatorTest {
private static final int WINDOW_LINES = 24;
private static final String CLEAR_CURSOR_TO_EOL = "\033[K";
private static final String CURSOR_POSITION_TOP_LEFT = "\033[H";
private static final String CLEAR_ENTIRE_SCREEN_AND_SCROLLBACK = "\033[3J";
private static final String CLEAR_ENTIRE_SCREEN = "\033[2J";
private static String TITLE(String title) {
return "\033]0;" + title + "\007";
@ -226,4 +228,36 @@ public class VT100EmulatorTest {
() -> assertEquals(List.of("TITLE1", "TITLE2"), control.getAllTitles()));
}
@Test
public void testE3ClearScreenAndScrollback() {
data.setMaxHeight(1000);
List<String> expected = new ArrayList<>();
for (int i = 0; i < 1000; i++) {
String line = "Hello " + i;
run(line + "\r\n");
expected.add(line);
}
expected.remove(0);
assertAll(() -> assertCursorLocation(999, 0), () -> assertTextEquals(expected));
run(CLEAR_ENTIRE_SCREEN_AND_SCROLLBACK);
assertAll(() -> assertTextEquals(""));
}
/**
* Runs what "clear" command does on modern Linux installs, including E3 extension
*/
@Test
public void testClear() {
data.setMaxHeight(1000);
List<String> expected = new ArrayList<>();
for (int i = 0; i < 1000; i++) {
String line = "Hello " + i;
run(line + "\r\n");
expected.add(line);
}
expected.remove(0);
assertAll(() -> assertCursorLocation(999, 0), () -> assertTextEquals(expected));
run(CURSOR_POSITION_TOP_LEFT + CLEAR_ENTIRE_SCREEN + CLEAR_ENTIRE_SCREEN_AND_SCROLLBACK);
assertAll(() -> assertCursorLocation(0, 0), () -> assertTextEquals(""));
}
}