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1// Copyright 2016 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Non-unicode use toUpperCase mappings.
6assertFalse(/[\u00e5]/i.test("\u212b"));
7assertFalse(/[\u212b]/i.test("\u00e5\u1234"));
8assertFalse(/[\u212b]/i.test("\u00e5"));
9
10assertTrue("\u212b".toLowerCase() == "\u00e5");
11assertTrue("\u00c5".toLowerCase() == "\u00e5");
12assertTrue("\u00e5".toUpperCase() == "\u00c5");
13
14// Unicode uses case folding mappings.
15assertFalse(/\u00e5/ui.test("\u212b"));
16assertTrue(/\u00e5/ui.test("\u00c5"));
17assertTrue(/\u00e5/ui.test("\u00e5"));
18assertFalse(/\u00e5/ui.test("\u212b"));
19assertTrue(/\u00c5/ui.test("\u00e5"));
20assertFalse(/\u00c5/ui.test("\u212b"));
21assertTrue(/\u00c5/ui.test("\u00c5"));
22assertFalse(/\u212b/ui.test("\u00c5"));
23assertFalse(/\u212b/ui.test("\u00e5"));
24assertTrue(/\u212b/ui.test("\u212b"));
25
26// Non-BMP.
27assertFalse(/\u{10400}/i.test("\u{10428}"));
28assertFalse(/\u{10400}/ui.test("\u{10428}"));
29assertFalse(/\ud801\udc00/ui.test("\u{10428}"));
30assertFalse(/[\u{10428}]/ui.test("\u{10400}"));
31assertFalse(/[\ud801\udc28]/ui.test("\u{10400}"));
32assertEquals(["\uff21\u{10400}"],
33             /[\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc"));
34assertEquals(["abc"], /[^\uff40-\u{10428}]+/ui.exec("\uff21\u{10400}abc\uff23"));
35assertEquals(["\uff53\u24bb"],
36             /[\u24d5-\uff33]+/ui.exec("\uff54\uff53\u24bb\u24ba"));
37
38// Full mappings are ignored.
39assertFalse(/\u00df/ui.test("SS"));
40assertFalse(/\u1f8d/ui.test("\u1f05\u03b9"));
41
42// Simple mappings.
43assertFalse(/\u1f8d/ui.test("\u1f85"));
44
45// Common mappings.
46assertTrue(/\u1f6b/ui.test("\u1f63"));
47
48// Back references.
49assertNull(/(.)\1\1/ui.exec("\u00e5\u212b\u00c5"));
50assertNull(/(.)\1/ui.exec("\u{118aa}\u{118ca}"));
51
52
53// Non-Latin1 maps to Latin1.
54assertNull(/^\u017F/ui.exec("s"));
55assertNull(/^\u017F/ui.exec("s\u1234"));
56assertNull(/^a[\u017F]/ui.exec("as"));
57assertNull(/^a[\u017F]/ui.exec("as\u1234"));
58