d77d657731
Reason for revert:
This test fails:
assertEquals(["as"], /^a[\u017F]/ui.exec("as"));
The reason is that we end up with a character class that is not stand alone, so we do not perform case folding on it correctly (with unicode flag).
Original issue's description:
> [regexp] implement /ui to mirror the implementation for /i.
>
> R=erik.corry@gmail.com, erikcorry@chromium.org
>
> Committed: https://crrev.com/eea1a4c003c559c99bcc9f08aa7eadf931975aad
> Cr-Commit-Position: refs/heads/master@{#33655}
TBR=erik.corry@gmail.com,erikcorry@chromium.org,erikcorry@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Review URL: https://codereview.chromium.org/1661483002
Cr-Commit-Position: refs/heads/master@{#33676}
65 lines
2.2 KiB
JavaScript
65 lines
2.2 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-unicode-regexps
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// Non-unicode use toUpperCase mappings.
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assertFalse(/[\u00e5]/i.test("\u212b"));
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assertFalse(/[\u212b]/i.test("\u00e5\u1234"));
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assertFalse(/[\u212b]/i.test("\u00e5"));
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assertTrue("\u212b".toLowerCase() == "\u00e5");
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assertTrue("\u00c5".toLowerCase() == "\u00e5");
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assertTrue("\u00e5".toUpperCase() == "\u00c5");
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// Unicode uses case folding mappings.
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assertTrue(/\u00e5/ui.test("\u212b"));
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assertTrue(/\u00e5/ui.test("\u00c5"));
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assertTrue(/\u00e5/ui.test("\u00e5"));
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assertTrue(/\u00e5/ui.test("\u212b"));
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assertTrue(/\u00c5/ui.test("\u00e5"));
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assertTrue(/\u00c5/ui.test("\u212b"));
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assertTrue(/\u00c5/ui.test("\u00c5"));
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assertTrue(/\u212b/ui.test("\u00c5"));
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assertTrue(/\u212b/ui.test("\u00e5"));
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assertTrue(/\u212b/ui.test("\u212b"));
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// Non-BMP.
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assertFalse(/\u{10400}/i.test("\u{10428}"));
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assertTrue(/\u{10400}/ui.test("\u{10428}"));
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assertTrue(/\ud801\udc00/ui.test("\u{10428}"));
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assertTrue(/[\u{10428}]/ui.test("\u{10400}"));
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assertTrue(/[\ud801\udc28]/ui.test("\u{10400}"));
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assertEquals(["\uff21\u{10400}"],
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/[\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc"));
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assertEquals(["abc"], /[^\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc\uff23"));
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assertEquals(["\uff53\u24bb"],
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/[\u24d5-\uff33]+/ui.exec("\uff54\uff53\u24bb\u24ba"));
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// Full mappings are ignored.
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assertFalse(/\u00df/ui.test("SS"));
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assertFalse(/\u1f8d/ui.test("\u1f05\u03b9"));
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// Simple mappings work.
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assertTrue(/\u1f8d/ui.test("\u1f85"));
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// Common mappings work.
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assertTrue(/\u1f6b/ui.test("\u1f63"));
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// Back references.
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assertEquals(["\u00e5\u212b\u00c5", "\u00e5"],
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/(.)\1\1/ui.exec("\u00e5\u212b\u00c5"));
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assertEquals(["\u{118aa}\u{118ca}", "\u{118aa}"],
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/(.)\1/ui.exec("\u{118aa}\u{118ca}"));
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// Misc.
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assertTrue(/\u00e5\u00e5\u00e5/ui.test("\u212b\u00e5\u00c5"));
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assertTrue(/AB\u{10400}/ui.test("ab\u{10428}"));
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// Non-Latin1 maps to Latin1.
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assertEquals(["s"], /^\u017F/ui.exec("s"));
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assertEquals(["s"], /^\u017F/ui.exec("s\u1234"));
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assertEquals(["as"], /^a[\u017F]/ui.exec("as"));
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assertEquals(["as"], /^a[\u017F]/ui.exec("as\u1234"));
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