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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 // Flags: --icu_case_mapping | |
jungshik at Google
2016/04/29 06:23:16
This does not work. --icu_case_mapping is not used
| |
6 | |
7 // Some edge cases that unibrow got wrong | |
8 | |
9 assertEquals("𐐘", "𐑀".toUpperCase()); | |
10 assertEquals("𐑀", "𐐘".toLowerCase()); | |
11 assertEquals("σ", "Σ".toLowerCase()); | |
12 | |
13 // Some different paths in the ICU case conversion fastpath | |
14 | |
15 assertEquals("σς", "\u03A3\u03A3".toLowerCase()); | |
16 // Expand sharp s in latin1 fastpath | |
17 assertEquals("ASSB", "A\u00DFB".toUpperCase()); | |
18 assertEquals("AB", "Ab".toUpperCase()); | |
19 // Find first upper case in fastpath | |
20 assertEquals("ab", "aB".toLowerCase()); | |
21 assertEquals("AÜ", "aü".toUpperCase()); | |
22 assertEquals("AÜ", "AÜ".toUpperCase()); | |
23 assertEquals("aü", "aü".toLowerCase()); | |
24 assertEquals("aü", "AÜ".toLowerCase()); | |
25 assertEquals("aü", "AÜ".toLowerCase()); | |
26 | |
27 // Starts with fastpath, but switches to full Unicode path | |
28 // U+00FF is uppercased to U+0178. | |
29 assertEquals("AŸ", "aÿ".toUpperCase()); | |
30 // U+00B5 (µ) is uppercased to U+039C (Μ) | |
31 assertEquals("AΜ", "aµ".toUpperCase()); | |
32 | |
33 // Buffer size increase | |
34 assertEquals("CSSBẶ", "cßbặ".toUpperCase()); | |
35 assertEquals("FIFLFFIFFL", "\uFB01\uFB02\uFB03\uFB04".toUpperCase()); | |
36 | |
37 // More comprehensive tests for "tr", "az" and "lt" are in | |
38 // test262/intl402/Strings/* | |
39 | |
40 // Buffer size decrease with a single locale or locale list. | |
41 // In Turkic (tr, az), U+0307 preceeded by Capital Letter I is dropped. | |
42 assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("tr")); | |
43 assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("az")); | |
44 assertEquals("abci", "aBcI\u0307".toLocaleLowerCase(["tr", "en"])); | |
45 | |
46 // Cons string | |
47 assertEquals("abcijkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("tr")); | |
48 assertEquals("abcijkl", | |
49 ("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("tr")); | |
50 assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("en")); | |
51 assertEquals("abci\u0307jkl", | |
52 ("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("en")); | |
53 assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLowerCase()); | |
54 assertEquals("abci\u0307jkl", | |
55 ("aB" + "cI" + "\u0307j" + "kl").toLowerCase()); | |
56 | |
57 // "tr" and "az" should behave identically. | |
58 assertEquals("aBcI\u0307".toLocaleLowerCase("tr"), | |
59 "aBcI\u0307".toLocaleLowerCase("az")); | |
60 // What matters is the first locale in the locale list. | |
61 assertEquals("aBcI\u0307".toLocaleLowerCase(["tr", "en", "fr"]), | |
62 "aBcI\u0307".toLocaleLowerCase("tr")); | |
63 assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]), | |
64 "aBcI\u0307".toLocaleLowerCase("en")); | |
65 assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]), | |
66 "aBcI\u0307".toLowerCase()); | |
67 | |
68 // An empty locale list is the same as the default locale. Try these tests | |
69 // under Turkish and Greek locale. | |
70 assertEquals("aBcI\u0307".toLocaleLowerCase([]), | |
71 "aBcI\u0307".toLocaleLowerCase()); | |
72 assertEquals("aBcI\u0307".toLocaleLowerCase([]), | |
73 "aBcI\u0307".toLocaleLowerCase(Intl.GetDefaultLocale)); | |
74 assertEquals("άόύώ".toLocaleUpperCase([]), "άόύώ".toLocaleUpperCase()); | |
75 assertEquals("άόύώ".toLocaleUpperCase([]), | |
76 "άόύώ".toLocaleUpperCase(Intl.GetDefaultLocale)); | |
77 | |
78 | |
79 // English/root locale keeps U+0307 (combining dot above). | |
80 assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase("en")); | |
81 assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase(["en", "tr"])); | |
82 assertEquals("abci\u0307", "aBcI\u0307".toLowerCase()); | |
83 | |
84 // Greek uppercasing: not covered by intl402/String/*, yet. Tonos (U+0301) and | |
85 // other diacritic marks are dropped. This rule is based on the current CLDR's | |
86 // el-Upper transformation, but Greek uppercasing rules are more sophisticated | |
87 // than this. See http://bugs.icu-project.org/trac/ticket/10582 and | |
88 // http://unicode.org/cldr/trac/ticket/7905 . | |
89 assertEquals("Α", "α\u0301".toLocaleUpperCase("el")); | |
90 assertEquals("Α", "α\u0301".toLocaleUpperCase("el-GR")); | |
91 assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek")); | |
92 assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek-GR")); | |
93 assertEquals("Α", "ά".toLocaleUpperCase("el")); | |
94 assertEquals("ΑΟΥΩ", "άόύώ".toLocaleUpperCase("el")); | |
95 assertEquals("ΑΟΥΩ", "α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("el")); | |
96 assertEquals("ΑΟΥΩ", "άόύώ".toLocaleUpperCase("el")); | |
97 assertEquals("ΟΕ", "Ό\u1f15".toLocaleUpperCase("el")); | |
98 assertEquals("ΟΕ", "Ο\u0301ε\u0314\u0301".toLocaleUpperCase("el")); | |
99 | |
100 // In other locales, U+0301 is preserved. | |
101 assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301", | |
102 "α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("en")); | |
103 assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301", | |
104 "α\u0301ο\u0301υ\u0301ω\u0301".toUpperCase()); | |
105 | |
106 // Plane 1; Deseret and Warang Citi Script. | |
107 assertEquals("\u{10400}\u{118A0}", "\u{10428}\u{118C0}".toUpperCase()); | |
108 assertEquals("\u{10428}\u{118C0}", "\u{10400}\u{118A0}".toLowerCase()); | |
109 // Mathematical Bold {Capital, Small} Letter A do not change. | |
110 assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toUpperCase()); | |
111 assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toLowerCase()); | |
112 // Plane 1; New characters in Unicode 8.0 | |
113 assertEquals("\u{10C80}", "\u{10CC0}".toUpperCase()); | |
114 assertEquals("\u{10CC0}", "\u{10C80}".toLowerCase()); | |
115 assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase()); | |
116 assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase()); | |
117 assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"])); | |
118 assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"])); | |
119 assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase()); | |
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