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terminal: tabstops were off by one

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Fixes #359

See #359 for a test script. The unit tests were also wrong. I used the
test script in #359 to verify the exact column that tabstops should be
set at.
This commit is contained in:
Mitchell Hashimoto
2023-08-29 20:18:54 -07:00
parent 5583859332
commit 7e846bd367
2 changed files with 8 additions and 8 deletions
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8
src/terminal/Tabstops.zig
View File

@ -149,7 +149,7 @@ pub fn reset(self: *Tabstops, interval: usize) void {
@memset(self.dynamic_stops, 0);
if (interval > 0) {
var i: usize = interval - 1;
var i: usize = interval;
while (i < self.cols - 1) : (i += interval) {
self.set(i);
}
@ -203,9 +203,9 @@ test "Tabstops: interval" {
var t: Tabstops = try init(testing.allocator, 80, 4);
defer t.deinit(testing.allocator);
try testing.expect(!t.get(0));
try testing.expect(t.get(3));
try testing.expect(!t.get(4));
try testing.expect(t.get(7));
try testing.expect(t.get(4));
try testing.expect(!t.get(5));
try testing.expect(t.get(8));
}
test "Tabstops: count on 80" {

8
src/terminal/Terminal.zig
View File

@ -1901,11 +1901,11 @@ test "Terminal: horizontal tabs" {
// HT
try t.print('1');
try t.horizontalTab();
try testing.expectEqual(@as(usize, 7), t.screen.cursor.x);
try testing.expectEqual(@as(usize, 8), t.screen.cursor.x);
// HT
try t.horizontalTab();
try testing.expectEqual(@as(usize, 15), t.screen.cursor.x);
try testing.expectEqual(@as(usize, 16), t.screen.cursor.x);
// HT at the end
try t.horizontalTab();
@ -1924,11 +1924,11 @@ test "Terminal: horizontal tabs back" {
// HT
try t.horizontalTabBack();
try testing.expectEqual(@as(usize, 15), t.screen.cursor.x);
try testing.expectEqual(@as(usize, 16), t.screen.cursor.x);
// HT
try t.horizontalTabBack();
try testing.expectEqual(@as(usize, 7), t.screen.cursor.x);
try testing.expectEqual(@as(usize, 8), t.screen.cursor.x);
// HT
try t.horizontalTabBack();