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also compare to old widths

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This commit is contained in:
Jacob Sandlund
2025-07-04 14:50:37 -04:00
parent 025895dc90
commit 8a218149dd
1 changed files with 23 additions and 14 deletions
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37
src/unicode/main.zig
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@ -14,19 +14,19 @@ test {
/// Build Ghostty with `zig build -Doptimize=ReleaseFast -Demit-unicode-test`.
///
/// Usage: ./zig-out/bin/unicode-test [width|class|break|all] [zg|ziglyph|old|all]
/// Usage: ./zig-out/bin/unicode-test [width|class|break|all] [old|zg|ziglyph|all]
///
/// width: this verifies the table codepoint widths match
/// class: this verifies the table grapheme boundary classes match
/// break: this will verify the grapheme break implementation. This
/// iterates over billions of codepoints so it is SLOW.
///
/// zg: compare grapheme/width against zg
/// ziglyph: compare grapheme/width against ziglyph
/// old: compare grapheme against old implementation
/// old: compare against old implementation
/// zg: compare against zg
/// ziglyph: compare against ziglyph
///
/// Note: To enable `old` comparisons, uncomment sections of these files
/// (search for "old"):
/// Note: To disable/enable `old` comparisons, (un)comment sections of these
/// files (search for "old"):
/// * ./main.zig (this file)
/// * ./props.zig
/// * ./grapheme.zig
@ -50,9 +50,9 @@ pub fn main() !void {
const testAll = args.len < 2 or std.mem.eql(u8, args[1], "all");
const compareAll = args.len < 3 or std.mem.eql(u8, args[2], "all");
const compareOld = compareAll or std.mem.eql(u8, args[2], "old");
const compareZg = compareAll or std.mem.eql(u8, args[2], "zg");
const compareZiglyph = compareAll or std.mem.eql(u8, args[2], "ziglyph");
const compareOld = compareAll or std.mem.eql(u8, args[2], "old");
// Set the min and max to control the test range.
const min = 0;
@ -65,12 +65,21 @@ pub fn main() !void {
if (cp % 0x10000 == 0) std.log.info("progress: cp={x}", .{cp});
const t = table.get(@intCast(cp));
if (compareOld) {
const oldT = props.oldTable.get(@intCast(cp));
if (oldT.width != t.width) {
std.log.warn("[old mismatch] cp={x} t={} old={}", .{ cp, t.width, oldT.width });
}
}
if (compareZg) {
const zg_width = @min(2, @max(0, DisplayWidth.codePointWidth(zg.display_width, @intCast(cp))));
if (t.width != zg_width) {
std.log.warn("[zg mismatch] cp={x} t={} zg={}", .{ cp, t.width, zg_width });
}
}
if (compareZiglyph) {
const ziglyph_width = @min(2, @max(0, DisplayWidth.codePointWidth(zg.display_width, @intCast(cp))));
if (t.width != ziglyph_width) {
@ -88,6 +97,13 @@ pub fn main() !void {
const t = table.get(@intCast(cp));
if (compareOld) {
const oldT = props.oldTable.get(@intCast(cp));
if (oldT.grapheme_boundary_class != t.grapheme_boundary_class) {
std.log.warn("[old mismatch] cp={x} t={} old={}", .{ cp, t.grapheme_boundary_class, oldT.grapheme_boundary_class });
}
}
if (compareZg) {
const gbp = Graphemes.gbp(zg.graphemes, @intCast(cp));
const matches = switch (t.grapheme_boundary_class) {
@ -148,13 +164,6 @@ pub fn main() !void {
std.log.warn("[ziglyph mismatch] cp={x} t={} ziglyph_valid={}", .{ cp, t.grapheme_boundary_class, ziglyph_valid });
}
}
if (compareOld) {
const oldT = props.oldTable.get(@intCast(cp));
if (oldT.grapheme_boundary_class != t.grapheme_boundary_class) {
std.log.warn("[old mismatch] cp={x} t={} old={}", .{ cp, t.grapheme_boundary_class, oldT.grapheme_boundary_class });
}
}
}
}