af38272dd9
Use FastAsciiConvert (as used by Unibrow) for i18n-aware
case conversion with --icu_case_mapping.
Move FastAsciiConvert to src/string-case.cc so that it can be used
by both runtime-{string,i18n}.
Add more tests.
BUG=v8:4477,v8:4476
TEST=intl/general/case*
Review-Url: https://codereview.chromium.org/2533983006
Cr-Commit-Position: refs/heads/master@{#41821}
190 lines
9.5 KiB
JavaScript
190 lines
9.5 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: --icu_case_mapping
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// Some edge cases that unibrow got wrong
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assertEquals("𐐘", "𐑀".toUpperCase());
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assertEquals("𐑀", "𐐘".toLowerCase());
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assertEquals("σ", "Σ".toLowerCase());
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// Some different paths in the ICU case conversion fastpath
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assertEquals("σς", "\u03A3\u03A3".toLowerCase());
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// Expand sharp s in latin1 fastpath
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assertEquals("ASSB", "A\u00DFB".toUpperCase());
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assertEquals("AB", "Ab".toUpperCase());
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// Find first uppercase in fastpath
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// Input length < a machine word size
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assertEquals("ab", "ab".toLowerCase());
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assertEquals("ab", "aB".toLowerCase());
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assertEquals("AÜ", "aü".toUpperCase());
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assertEquals("AÜ", "AÜ".toUpperCase());
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assertEquals("aü", "aü".toLowerCase());
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assertEquals("aü", "aÜ".toLowerCase());
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assertEquals("aü", "AÜ".toLowerCase());
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assertEquals("aü", "AÜ".toLowerCase());
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// Input length >= a machine word size
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assertEquals("abcdefghij", "abcdefghij".toLowerCase());
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assertEquals("abcdefghij", "abcdefghiJ".toLowerCase());
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assertEquals("abçdefghij", "abçdefghiJ".toLowerCase());
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assertEquals("abçdefghij", "abÇdefghiJ".toLowerCase());
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assertEquals("abcdefghiá", "abcdeFghiá".toLowerCase());
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assertEquals("abcdefghiá", "abcdeFghiÁ".toLowerCase());
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assertEquals("ABCDEFGHIJ", "ABCDEFGHIJ".toUpperCase());
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assertEquals("ABCDEFGHIJ", "ABCDEFGHIj".toUpperCase());
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assertEquals("ABÇDEFGHIJ", "ABÇDEFGHIj".toUpperCase());
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assertEquals("ABÇDEFGHIJ", "ABçDEFGHIj".toUpperCase());
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assertEquals("ABCDEFGHIÁ", "ABCDEfGHIÁ".toUpperCase());
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assertEquals("ABCDEFGHIÁ", "ABCDEfGHIá".toUpperCase());
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// Starts with fastpath, but switches to full Unicode path
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// U+00FF is uppercased to U+0178.
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assertEquals("AŸ", "aÿ".toUpperCase());
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// U+00B5 (µ) is uppercased to U+039C (Μ)
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assertEquals("AΜ", "aµ".toUpperCase());
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// Buffer size increase
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assertEquals("CSSBẶ", "cßbặ".toUpperCase());
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assertEquals("FIFLFFIFFL", "\uFB01\uFB02\uFB03\uFB04".toUpperCase());
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assertEquals("ABCÀCSSA", "abcàcßa".toUpperCase());
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assertEquals("ABCDEFGHIÀCSSA", "ABCDEFGHIàcßa".toUpperCase());
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assertEquals("ABCDEFGHIÀCSSA", "abcdeFghiàcßa".toUpperCase());
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// OneByte input with buffer size increase: non-fast path
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assertEquals("ABCSS", "abCß".toLocaleUpperCase("tr"));
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// More comprehensive tests for "tr", "az" and "lt" are in
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// test262/intl402/Strings/*
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// Buffer size decrease with a single locale or locale list.
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// In Turkic (tr, az), U+0307 preceeded by Capital Letter I is dropped.
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assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("tr"));
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assertEquals("abci", "aBcI\u0307".toLocaleLowerCase("az"));
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assertEquals("abci", "aBcI\u0307".toLocaleLowerCase(["tr", "en"]));
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// Cons string
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assertEquals("abcijkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("tr"));
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assertEquals("abcijkl",
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("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("tr"));
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assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLocaleLowerCase("en"));
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assertEquals("abci\u0307jkl",
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("aB" + "cI" + "\u0307j" + "kl").toLocaleLowerCase("en"));
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assertEquals("abci\u0307jkl", ("aBcI" + "\u0307jkl").toLowerCase());
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assertEquals("abci\u0307jkl",
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("aB" + "cI" + "\u0307j" + "kl").toLowerCase());
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// "tr" and "az" should behave identically.
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assertEquals("aBcI\u0307".toLocaleLowerCase("tr"),
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"aBcI\u0307".toLocaleLowerCase("az"));
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// What matters is the first locale in the locale list.
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assertEquals("aBcI\u0307".toLocaleLowerCase(["tr", "en", "fr"]),
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"aBcI\u0307".toLocaleLowerCase("tr"));
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assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]),
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"aBcI\u0307".toLocaleLowerCase("en"));
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assertEquals("aBcI\u0307".toLocaleLowerCase(["en", "tr", "az"]),
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"aBcI\u0307".toLowerCase());
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// An empty locale list is the same as the default locale. Try these tests
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// under Turkish and Greek locale.
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assertEquals("aBcI\u0307".toLocaleLowerCase([]),
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"aBcI\u0307".toLocaleLowerCase());
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assertEquals("aBcI\u0307".toLocaleLowerCase([]),
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"aBcI\u0307".toLocaleLowerCase(Intl.GetDefaultLocale));
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assertEquals("άόύώ".toLocaleUpperCase([]), "άόύώ".toLocaleUpperCase());
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assertEquals("άόύώ".toLocaleUpperCase([]),
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"άόύώ".toLocaleUpperCase(Intl.GetDefaultLocale));
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// English/root locale keeps U+0307 (combining dot above).
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assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase("en"));
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assertEquals("abci\u0307", "aBcI\u0307".toLocaleLowerCase(["en", "tr"]));
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assertEquals("abci\u0307", "aBcI\u0307".toLowerCase());
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// Greek uppercasing: not covered by intl402/String/*, yet. Tonos (U+0301) and
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// other diacritic marks are dropped. See
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// http://bugs.icu-project.org/trac/ticket/5456#comment:19 for more examples.
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// See also http://bugs.icu-project.org/trac/ticket/12845 .
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assertEquals("Α", "α\u0301".toLocaleUpperCase("el"));
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assertEquals("Α", "α\u0301".toLocaleUpperCase("el-GR"));
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assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek"));
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assertEquals("Α", "α\u0301".toLocaleUpperCase("el-Grek-GR"));
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assertEquals("Α", "ά".toLocaleUpperCase("el"));
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assertEquals("ΑΟΫΩ", "άόύώ".toLocaleUpperCase("el"));
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assertEquals("ΑΟΫΩ", "α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("el"));
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assertEquals("ΑΟΫΩ", "άόύώ".toLocaleUpperCase("el"));
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assertEquals("ΟΕ", "Ό\u1f15".toLocaleUpperCase("el"));
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assertEquals("ΟΕ", "Ο\u0301ε\u0314\u0301".toLocaleUpperCase("el"));
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assertEquals("ΡΩΜΕΪΚΑ", "ρωμέικα".toLocaleUpperCase("el"));
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assertEquals("ΜΑΪΟΥ, ΤΡΟΛΕΪ", "Μαΐου, τρόλεϊ".toLocaleUpperCase("el"));
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assertEquals("ΤΟ ΕΝΑ Ή ΤΟ ΑΛΛΟ.", "Το ένα ή το άλλο.".toLocaleUpperCase("el"));
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// Input and output are identical.
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assertEquals("αβγδε", "αβγδε".toLocaleLowerCase("el"));
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assertEquals("ΑΒΓΔΕ", "ΑΒΓΔΕ".toLocaleUpperCase("el"));
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assertEquals("ΑΒΓΔΕАБ𝐀𝐁", "ΑΒΓΔΕАБ𝐀𝐁".toLocaleUpperCase("el"));
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assertEquals("ABCDEÂÓḴ123", "ABCDEÂÓḴ123".toLocaleUpperCase("el"));
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// ASCII-only or Latin-1 only: 1-byte
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assertEquals("ABCDE123", "ABCDE123".toLocaleUpperCase("el"));
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assertEquals("ABCDEÂÓ123", "ABCDEÂÓ123".toLocaleUpperCase("el"));
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// To make sure that the input string is not overwritten in place.
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var strings = ["abCdef", "αβγδε", "άόύώ", "аб"];
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for (var s of strings) {
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var backupAsArray = s.split("");
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var uppered = s.toLocaleUpperCase("el");
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assertEquals(s, backupAsArray.join(""));
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}
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// In other locales, U+0301 is preserved.
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assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301",
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"α\u0301ο\u0301υ\u0301ω\u0301".toLocaleUpperCase("en"));
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assertEquals("Α\u0301Ο\u0301Υ\u0301Ω\u0301",
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"α\u0301ο\u0301υ\u0301ω\u0301".toUpperCase());
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// Plane 1; Deseret and Warang Citi Script.
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assertEquals("\u{10400}\u{118A0}", "\u{10428}\u{118C0}".toUpperCase());
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assertEquals("\u{10428}\u{118C0}", "\u{10400}\u{118A0}".toLowerCase());
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// Mathematical Bold {Capital, Small} Letter A do not change.
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assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toUpperCase());
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assertEquals("\u{1D400}\u{1D41A}", "\u{1D400}\u{1D41A}".toLowerCase());
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// Plane 1; New characters in Unicode 8.0
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assertEquals("\u{10C80}", "\u{10CC0}".toUpperCase());
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assertEquals("\u{10CC0}", "\u{10C80}".toLowerCase());
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assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase());
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assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase());
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assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"]));
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assertEquals("\u{10C80}", "\u{10CC0}".toLocaleUpperCase(["tr"]));
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assertEquals("\u{10CC0}", "\u{10C80}".toLocaleLowerCase());
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// check fast path for Latin-1 supplement (U+00A0 ~ U+00FF)
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var latin1Suppl = "\u00A0¡¢£¤¥¦§¨©ª«¬\u00AD®°±²³´µ¶·¸¹º»¼½¾¿" +
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"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
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var latin1SupplLowercased = "\u00A0¡¢£¤¥¦§¨©ª«¬\u00AD®°±²³´µ¶·¸¹º»¼½¾¿" +
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"àáâãäåæçèéêëìíîïðñòóôõö×øùúûüýþßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
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var latin1SupplUppercased = "\u00A0¡¢£¤¥¦§¨©ª«¬\u00AD®°±²³´\u039C¶·¸¹º»¼½¾¿" +
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"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞSSÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ÷ØÙÚÛÜÝÞ\u0178";
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assertEquals(latin1SupplLowercased, latin1Suppl.toLowerCase());
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assertEquals(latin1SupplUppercased, latin1Suppl.toUpperCase());
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assertEquals(latin1SupplLowercased, latin1Suppl.toLocaleLowerCase("de"));
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assertEquals(latin1SupplUppercased, latin1Suppl.toLocaleUpperCase("de"));
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assertEquals(latin1SupplLowercased, latin1Suppl.toLocaleLowerCase("el"));
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assertEquals(latin1SupplUppercased, latin1Suppl.toLocaleUpperCase("el"));
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assertEquals(latin1SupplUppercased, latin1Suppl.toLocaleUpperCase("tr"));
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assertEquals(latin1SupplLowercased, latin1Suppl.toLocaleLowerCase("tr"));
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assertEquals(latin1SupplUppercased, latin1Suppl.toLocaleUpperCase("az"));
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assertEquals(latin1SupplLowercased, latin1Suppl.toLocaleLowerCase("az"));
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assertEquals(latin1SupplUppercased, latin1Suppl.toLocaleUpperCase("lt"));
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// Lithuanian need to have a dot-above for U+00CC(Ì) and U+00CD(Í) when
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// lowercasing.
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assertEquals("\u00A0¡¢£¤¥¦§¨©ª«¬\u00AD®°±²³´µ¶·¸¹º»¼½¾¿" +
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"àáâãäåæçèéêëi\u0307\u0300i\u0307\u0301îïðñòóôõö×øùúûüýþß" +
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"àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ",
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latin1Suppl.toLocaleLowerCase("lt"));
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