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terminal: fix undefined memory access in unit test

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This commit is contained in:
Mitchell Hashimoto
2025-08-20 20:54:26 -07:00
parent 566062c0a5
commit a57afd41ac
1 changed files with 10 additions and 3 deletions
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13
src/terminal/Terminal.zig
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@@ -2824,14 +2824,21 @@ test "Terminal: input glitch text" {
var t = try init(alloc, .{ .cols = 30, .rows = 30 });
defer t.deinit(alloc);
const page = t.screen.pages.pages.first.?;
const grapheme_cap = page.data.capacity.grapheme_bytes;
// Get our initial grapheme capacity.
const grapheme_cap = cap: {
const page = t.screen.pages.pages.first.?;
break :cap page.data.capacity.grapheme_bytes;
};
while (page.data.capacity.grapheme_bytes == grapheme_cap) {
// Print glitch text until our capacity changes
while (true) {
const page = t.screen.pages.pages.first.?;
if (page.data.capacity.grapheme_bytes != grapheme_cap) break;
try t.printString(glitch);
}
// We're testing to make sure that grapheme capacity gets increased.
const page = t.screen.pages.pages.first.?;
try testing.expect(page.data.capacity.grapheme_bytes > grapheme_cap);
}