| // Copyright 2016 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: --icu_case_mapping |
| |
| // Some edge cases that unibrow got wrong |
| |
| assertEquals("𐐘", "𐑀".toUpperCase()); |
| assertEquals("𐑀", "𐐘".toLowerCase()); |
| assertEquals("σ", "Σ".toLowerCase()); |
| |
| // Some different paths in the ICU case conversion fastpath |
| |
| assertEquals("σς", "\u03A3\u03A3".toLowerCase()); |
| // Expand sharp s in latin1 fastpath |
| assertEquals("ASSB", "A\u00DFB".toUpperCase()); |
| assertEquals("AB", "Ab".toUpperCase()); |
| // Find first upper case in fastpath |
| assertEquals("ab", "aB".toLowerCase()); |
| assertEquals("AÜ", "aü".toUpperCase()); |
| assertEquals("AÜ", "AÜ".toUpperCase()); |
| assertEquals("aü", "aü".toLowerCase()); |
| assertEquals("aü", "AÜ".toLowerCase()); |
| assertEquals("aü", "AÜ".toLowerCase()); |
| |
| // Starts with fastpath, but switches to full Unicode path |
| // U+00FF is uppercased to U+0178. |
| assertEquals("AŸ", "aÿ".toUpperCase()); |
| // U+00B5 (µ) is uppercased to U+039C (Μ) |
| assertEquals("AΜ", "aµ".toUpperCase()); |
| |
| // Buffer size increase |
| assertEquals("CSSBẶ", "cßbặ".toUpperCase()); |
| assertEquals("FIFLFFIFFL", "\uFB01\uFB02\uFB03\uFB04".toUpperCase()); |
| // OneByte input with buffer size increase: non-fast path |
| assertEquals("ABCSS", "abCß".toLocaleUpperCase("tr")); |
| |
| // More comprehensive tests for "tr", "az" and "lt" are in |
| // test262/intl402/Strings/* |
| |
| // Buffer size decrease with a single locale or locale list. |
| // In Turkic (tr, az), U+0307 preceeded by Capital Letter I is dropped. |
| assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("tr")); |
| assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("az")); |
| assertEquals("abci", "aBcI\u0307".toLocaleLowerCase(["tr", "en"])); |
| |
| // Cons string |
| assertEquals("abcijkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("tr")); |
| assertEquals("abcijkl", |
| ("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("tr")); |
| assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("en")); |
| assertEquals("abci\u0307jkl", |
| ("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("en")); |
| assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLowerCase()); |
| assertEquals("abci\u0307jkl", |
| ("aB" + "cI" + "\u0307j" + "kl").toLowerCase()); |
| |
| // "tr" and "az" should behave identically. |
| assertEquals("aBcI\u0307".toLocaleLowerCase("tr"), |
| "aBcI\u0307".toLocaleLowerCase("az")); |
| // What matters is the first locale in the locale list. |
| assertEquals("aBcI\u0307".toLocaleLowerCase(["tr", "en", "fr"]), |
| "aBcI\u0307".toLocaleLowerCase("tr")); |
| assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]), |
| "aBcI\u0307".toLocaleLowerCase("en")); |
| assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]), |
| "aBcI\u0307".toLowerCase()); |
| |
| // An empty locale list is the same as the default locale. Try these tests |
| // under Turkish and Greek locale. |
| assertEquals("aBcI\u0307".toLocaleLowerCase([]), |
| "aBcI\u0307".toLocaleLowerCase()); |
| assertEquals("aBcI\u0307".toLocaleLowerCase([]), |
| "aBcI\u0307".toLocaleLowerCase(Intl.GetDefaultLocale)); |
| assertEquals("άόύώ".toLocaleUpperCase([]), "άόύώ".toLocaleUpperCase()); |
| assertEquals("άόύώ".toLocaleUpperCase([]), |
| "άόύώ".toLocaleUpperCase(Intl.GetDefaultLocale)); |
| |
| |
| // English/root locale keeps U+0307 (combining dot above). |
| assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase("en")); |
| assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase(["en", "tr"])); |
| assertEquals("abci\u0307", "aBcI\u0307".toLowerCase()); |
| |
| // Greek uppercasing: not covered by intl402/String/*, yet. Tonos (U+0301) and |
| // other diacritic marks are dropped. This rule is based on the current CLDR's |
| // el-Upper transformation, but Greek uppercasing rules are more sophisticated |
| // than this. See http://bugs.icu-project.org/trac/ticket/10582 and |
| // http://unicode.org/cldr/trac/ticket/7905 . |
| assertEquals("Α", "α\u0301".toLocaleUpperCase("el")); |
| assertEquals("Α", "α\u0301".toLocaleUpperCase("el-GR")); |
| assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek")); |
| assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek-GR")); |
| assertEquals("Α", "ά".toLocaleUpperCase("el")); |
| assertEquals("ΑΟΥΩ", "άόύώ".toLocaleUpperCase("el")); |
| assertEquals("ΑΟΥΩ", "α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("el")); |
| assertEquals("ΑΟΥΩ", "άόύώ".toLocaleUpperCase("el")); |
| assertEquals("ΟΕ", "Ό\u1f15".toLocaleUpperCase("el")); |
| assertEquals("ΟΕ", "Ο\u0301ε\u0314\u0301".toLocaleUpperCase("el")); |
| |
| // Input and output are identical. |
| assertEquals("αβγδε", "αβγδε".toLocaleLowerCase("el")); |
| assertEquals("ΑΒΓΔΕ", "ΑΒΓΔΕ".toLocaleUpperCase("el")); |
| assertEquals("ΑΒΓΔΕАБ𝐀𝐁", "ΑΒΓΔΕАБ𝐀𝐁".toLocaleUpperCase("el")); |
| assertEquals("ABCDEÂÓḴ123", "ABCDEÂÓḴ123".toLocaleUpperCase("el")); |
| // ASCII-only or Latin-1 only: 1-byte |
| assertEquals("ABCDE123", "ABCDE123".toLocaleUpperCase("el")); |
| assertEquals("ABCDEÂÓ123", "ABCDEÂÓ123".toLocaleUpperCase("el")); |
| |
| // To make sure that the input string is not overwritten in place. |
| var strings = ["abCdef", "αβγδε", "άόύώ", "аб"]; |
| for (var s of strings) { |
| var backupAsArray = s.split(""); |
| var uppered = s.toLocaleUpperCase("el"); |
| assertEquals(s, backupAsArray.join("")); |
| } |
| |
| // In other locales, U+0301 is preserved. |
| assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301", |
| "α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("en")); |
| assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301", |
| "α\u0301ο\u0301υ\u0301ω\u0301".toUpperCase()); |
| |
| // Plane 1; Deseret and Warang Citi Script. |
| assertEquals("\u{10400}\u{118A0}", "\u{10428}\u{118C0}".toUpperCase()); |
| assertEquals("\u{10428}\u{118C0}", "\u{10400}\u{118A0}".toLowerCase()); |
| // Mathematical Bold {Capital, Small} Letter A do not change. |
| assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toUpperCase()); |
| assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toLowerCase()); |
| // Plane 1; New characters in Unicode 8.0 |
| assertEquals("\u{10C80}", "\u{10CC0}".toUpperCase()); |
| assertEquals("\u{10CC0}", "\u{10C80}".toLowerCase()); |
| assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase()); |
| assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase()); |
| assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"])); |
| assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"])); |
| assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase()); |