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terminal: scroll down tests

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This commit is contained in:
Mitchell Hashimoto
2023-10-09 09:40:28 -07:00
parent d0b8bf7752
commit 773104d343
2 changed files with 90 additions and 1 deletions
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76
src/terminal/Terminal.zig
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@@ -1702,7 +1702,6 @@ pub fn deleteLines(self: *Terminal, count: usize) !void {
}
/// Scroll the text down by one row.
/// TODO: test
pub fn scrollDown(self: *Terminal, count: usize) !void {
const tracy = trace(@src());
defer tracy.end();
@@ -5367,3 +5366,78 @@ test "Terminal: cursorRight right of right margin" {
try testing.expectEqualStrings(" X", str);
}
}
test "Terminal: scrollDown simple" {
const alloc = testing.allocator;
var t = try init(alloc, 5, 5);
defer t.deinit(alloc);
try t.printString("ABC");
t.carriageReturn();
try t.linefeed();
try t.printString("DEF");
t.carriageReturn();
try t.linefeed();
try t.printString("GHI");
t.setCursorPos(2, 2);
const cursor = t.screen.cursor;
try t.scrollDown(1);
try testing.expectEqual(cursor, t.screen.cursor);
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("\nABC\nDEF\nGHI", str);
}
}
test "Terminal: scrollDown outside of scroll region" {
const alloc = testing.allocator;
var t = try init(alloc, 5, 5);
defer t.deinit(alloc);
try t.printString("ABC");
t.carriageReturn();
try t.linefeed();
try t.printString("DEF");
t.carriageReturn();
try t.linefeed();
try t.printString("GHI");
t.setScrollingRegion(3, 4);
t.setCursorPos(2, 2);
const cursor = t.screen.cursor;
try t.scrollDown(1);
try testing.expectEqual(cursor, t.screen.cursor);
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("ABC\nDEF\n\nGHI", str);
}
}
test "Terminal: scrollDown left/right scroll region" {
const alloc = testing.allocator;
var t = try init(alloc, 10, 10);
defer t.deinit(alloc);
try t.printString("ABC123");
t.carriageReturn();
try t.linefeed();
try t.printString("DEF456");
t.carriageReturn();
try t.linefeed();
try t.printString("GHI789");
t.scrolling_region.left = 1;
t.scrolling_region.right = 3;
t.setCursorPos(2, 2);
const cursor = t.screen.cursor;
try t.scrollDown(1);
try testing.expectEqual(cursor, t.screen.cursor);
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("A 23\nDBC156\nGEF489\n HI7", str);
}
}