v8/test/intl/string-localecompare.js
Jakob Gruber dadd34d9ef [intl] Fix two issues in the localeCompare fast path
1. The default locale may be reset / is not immutable as we thought.
2. A suffix of ignorable code points after the common length affects
   the comparison result.

Bug: v8:12196
Fixed: v8:12398
Change-Id: I6f60f56352956779df801c43de6ebac8cd9c592d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3291314
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78053}
2021-11-24 08:28:39 +00:00

58 lines
2.3 KiB
JavaScript

// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --opt --allow-natives-syntax --interrupt-budget=1024
function check() {
// Equal prefix.
assertTrue("asdf".localeCompare("asdf") == 0);
assertTrue("asd".localeCompare("asdf") < 0);
assertTrue("asdff".localeCompare("asdf") > 0);
// Completely Ignorable.
assertEquals("asdf".localeCompare("asdf\01"), 0);
assertEquals("asdf".localeCompare("as\01df"), 0);
assertEquals("asdf".localeCompare("\01asdf"), 0);
// Chars differ.
assertTrue("asdf".localeCompare("asdq") < 0);
assertTrue("asdq".localeCompare("asdf") > 0);
// Interesting locales.
assertEquals('ö'.localeCompare('oe', 'de'), -1);
assertEquals('Ö'.localeCompare('oe', 'de'), -1);
assertEquals('ö'.localeCompare('o', 'de-u-co-phonebk'), 1);
assertEquals('ö'.localeCompare('p', 'de-u-co-phonebk'), -1);
assertEquals('Ö'.localeCompare('o', 'de-u-co-phonebk'), 1);
assertEquals('Ö'.localeCompare('p', 'de-u-co-phonebk'), -1);
assertEquals('ö'.localeCompare('o\u0308', 'de-u-co-phonebk'), 0);
assertEquals('ö'.localeCompare('O\u0308', 'de-u-co-phonebk'), -1);
assertEquals('Ö'.localeCompare('o\u0308', 'de-u-co-phonebk'), 1);
assertEquals('Ö'.localeCompare('O\u0308', 'de-u-co-phonebk'), 0);
assertEquals('ch'.localeCompare('ca', 'cs-CZ'), 1);
assertEquals('AA'.localeCompare('A-A', 'th'), 0);
// Attempt to hit different cases of the localeCompare fast path.
assertEquals('aAaaaö'.localeCompare('aaaaaö', 'en-US'), 1);
assertEquals('aaaaaöA'.localeCompare('aaaaaöa', 'en-US'), 1);
assertEquals('ab\u0308'.localeCompare('aa\u0308', 'en-US'), 1);
assertEquals('aA'.localeCompare('aaa', 'en-US'), -1);
assertEquals('aa'.localeCompare('aAa', 'en-US'), -1);
assertEquals('aA'.localeCompare('aa', 'en-US'), 1);
assertEquals('aa'.localeCompare('aA', 'en-US'), -1);
}
// TODO(tebbi): Make isOptimized() from mjsunit.js available in intl tests.
function isOptimized(fun) {
return (%GetOptimizationStatus(fun) & (1 << 4)) != 0;
}
assertFalse(isOptimized(check));
while (true) {
var optimized = isOptimized(check);
check();
if (optimized) break;
}