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Code Issues Wiki Activity

Bug 572938: Tests for scroll reverse

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Change-Id: I08a812d9f7847e2fa24dddf0f97efc65cc44d49d
This commit is contained in:
Jonah Graham 2021-04-23 11:03:56 -04:00
parent b044543451
commit 61d1a02f32
1 changed files with 50 additions and 0 deletions
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50
terminal/plugins/org.eclipse.tm.terminal.test/src/org/eclipse/tm/internal/terminal/emulator/VT100EmulatorTest.java
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@ -35,6 +35,7 @@ public class VT100EmulatorTest {
private static final String CURSOR_POSITION_TOP_LEFT = "\033[H"; 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_AND_SCROLLBACK = "\033[3J";
private static final String CLEAR_ENTIRE_SCREEN = "\033[2J"; private static final String CLEAR_ENTIRE_SCREEN = "\033[2J";
private static final String SCROLL_REVERSE = "\033M";
private static String TITLE(String title) { private static String TITLE(String title) {
return "\033]0;" + title + "\007"; return "\033]0;" + title + "\007";
@ -260,4 +261,53 @@ public class VT100EmulatorTest {
run(CURSOR_POSITION_TOP_LEFT + CLEAR_ENTIRE_SCREEN + CLEAR_ENTIRE_SCREEN_AND_SCROLLBACK); run(CURSOR_POSITION_TOP_LEFT + CLEAR_ENTIRE_SCREEN + CLEAR_ENTIRE_SCREEN_AND_SCROLLBACK);
assertAll(() -> assertCursorLocation(0, 0), () -> assertTextEquals("")); assertAll(() -> assertCursorLocation(0, 0), () -> assertTextEquals(""));
} }
/**
* Runs what "up arrow" would send back to terminal in less/man/etc.
*/
@Test
public void testScrollReverseNoScrollback() {
List<String> expected = new ArrayList<>();
for (int i = 0; i < WINDOW_LINES; i++) {
String line = "Hello " + i;
run(line);
expected.add(line);
if (i != data.getHeight() - 1) {
run("\r\n");
}
}
assertAll(() -> assertCursorLocation(WINDOW_LINES - 1, expected.get(expected.size() - 1).length()),
() -> assertTextEquals(expected));
run(CURSOR_POSITION_TOP_LEFT);
assertAll(() -> assertCursorLocation(0, 0), () -> assertTextEquals(expected));
run(SCROLL_REVERSE);
expected.add(0, "");
expected.remove(expected.size() - 1);
assertAll(() -> assertCursorLocation(0, 0), () -> assertTextEquals(expected));
}
/**
* Runs what "up arrow" would send back to terminal in less/man/etc.
*/
@Test
public void testScrollReverse() {
data.setMaxHeight(1000);
List<String> expected = new ArrayList<>();
for (int i = 0; i < WINDOW_LINES; i++) {
String line = "Hello " + i;
run(line);
expected.add(line);
run("\r\n");
}
assertAll(() -> assertCursorLocation(WINDOW_LINES, 0), () -> assertTextEquals(expected));
run(CURSOR_POSITION_TOP_LEFT);
assertAll(() -> assertCursorLocation(1, 0), () -> assertTextEquals(expected));
run(SCROLL_REVERSE);
expected.add(1, "");
assertAll(() -> assertCursorLocation(1, 0), () -> assertTextEquals(expected));
run("New text on top line following scroll reverse");
expected.set(1, "New text on top line following scroll reverse");
assertAll(() -> assertCursorLocation(1, expected.get(1).length()), () -> assertTextEquals(expected));
}
} }