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Unified Diff: test/mjsunit/harmony/unicode-character-ranges.js

Issue 1578253005: [regexp] implement character classes for unicode regexps. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase Created 4 years, 11 months ago
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Index: test/mjsunit/harmony/unicode-character-ranges.js
diff --git a/test/mjsunit/harmony/unicode-character-ranges.js b/test/mjsunit/harmony/unicode-character-ranges.js
new file mode 100644
index 0000000000000000000000000000000000000000..ad3a48666372e2e22d428aa00738ad47ec071958
--- /dev/null
+++ b/test/mjsunit/harmony/unicode-character-ranges.js
@@ -0,0 +1,149 @@
+// 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: --harmony-unicode-regexps --harmony-regexp-lookbehind
+
+function execl(expectation, regexp, subject) {
+ if (regexp instanceof String) regexp = new RegExp(regexp, "u");
+ assertEquals(expectation, regexp.exec(subject));
+}
+
+function execs(expectation, regexp_source, subject) {
+ execl(expectation, new RegExp(regexp_source, "u"), subject);
+}
+
+// Character ranges.
+execl(["A"], /[A-D]/u, "A");
+execs(["A"], "[A-D]", "A");
+execl(["ABCD"], /[A-D]+/u, "ZABCDEF");
+execs(["ABCD"], "[A-D]+", "ZABCDEF");
+
+execl(["\u{12345}"], /[\u1234-\u{12345}]/u, "\u{12345}");
+execs(["\u{12345}"], "[\u1234-\u{12345}]", "\u{12345}");
+execl(null, /[^\u1234-\u{12345}]/u, "\u{12345}");
+execs(null, "[^\u1234-\u{12345}]", "\u{12345}");
+
+execl(["\u{1234}"], /[\u1234-\u{12345}]/u, "\u{1234}");
+execs(["\u{1234}"], "[\u1234-\u{12345}]", "\u{1234}");
+execl(null, /[^\u1234-\u{12345}]/u, "\u{1234}");
+execs(null, "[^\u1234-\u{12345}]", "\u{1234}");
+
+execl(null, /[\u1234-\u{12345}]/u, "\u{1233}");
+execs(null, "[\u1234-\u{12345}]", "\u{1233}");
+execl(["\u{1233}"], /[^\u1234-\u{12345}]/u, "\u{1233}");
+execs(["\u{1233}"], "[^\u1234-\u{12345}]", "\u{1233}");
+
+execl(["\u{12346}"], /[^\u1234-\u{12345}]/u, "\u{12346}");
+execs(["\u{12346}"], "[^\u1234-\u{12345}]", "\u{12346}");
+execl(null, /[\u1234-\u{12345}]/u, "\u{12346}");
+execs(null, "[\u1234-\u{12345}]", "\u{12346}");
+
+execl(["\u{12342}"], /[\u{12340}-\u{12345}]/u, "\u{12342}");
+execs(["\u{12342}"], "[\u{12340}-\u{12345}]", "\u{12342}");
+execl(null, /[^\u{12340}-\u{12345}]/u, "\u{12342}");
+execs(null, "[^\u{12340}-\u{12345}]", "\u{12342}");
mathias 2016/01/21 12:44:36 To test the equivalent regular expression using su
+
+execl(["\u{ffff}"], /[\u{ff80}-\u{12345}]/u, "\u{ffff}");
+execs(["\u{ffff}"], "[\u{ff80}-\u{12345}]", "\u{ffff}");
+execl(null, /[^\u{ff80}-\u{12345}]/u, "\u{ffff}");
+execs(null, "[^\u{ff80}-\u{12345}]", "\u{ffff}");
mathias 2016/01/21 12:44:36 Same here: execl(["\u{ffff}"], /[\u{ff80}-\u{1234
+
+// Lone surrogate
+execl(["\ud800"], /[^\u{ff80}-\u{12345}]/u, "\uff99\u{d800}A");
+execs(["\udc00"], "[^\u{ff80}-\u{12345}]", "\uff99\u{dc00}A");
+execl(["\udc01"], /[\u0100-\u{10ffff}]/u, "A\udc01");
+execl(["\udc03"], /[\udc01-\udc03]/u, "\ud801\udc02\udc03");
+execl(["\ud801"], /[\ud801-\ud803]/u, "\ud802\udc01\ud801");
+
+// Paired sorrogate.
+execl(null, /[^\u{ff80}-\u{12345}]/u, "\u{d800}\u{dc00}");
+execs(null, "[^\u{ff80}-\u{12345}]", "\u{d800}\u{dc00}");
+execl(["\ud800\udc00"], /[\u{ff80}-\u{12345}]/u, "\u{d800}\u{dc00}");
+execs(["\ud800\udc00"], "[\u{ff80}-\u{12345}]", "\u{d800}\u{dc00}");
+execl(["foo\u{10e6d}bar"], /foo\ud803\ude6dbar/u, "foo\u{10e6d}bar");
+
+// Lone surrogates
+execl(["\ud801\ud801"], /\ud801+/u, "\ud801\udc01\ud801\ud801");
+execl(["\udc01\udc01"], /\udc01+/u, "\ud801\ud801\udc01\udc01\udc01");
+
+execl(["\udc02\udc03A"], /\W\WA/u, "\ud801\udc01A\udc02\udc03A");
+execl(["\ud801\ud802"], /\ud801./u, "\ud801\udc01\ud801\ud802");
+execl(["\udc02\udc03A"], /[\ud800-\udfff][\ud800-\udfff]A/u,
+ "\ud801\udc01A\udc02\udc03A");
+
+// Character classes
+execl(null, /\w/u, "\ud801\udc01");
+execl(["\ud801"], /[^\w]/, "\ud801\udc01");
+execl(["\ud801\udc01"], /[^\w]/u, "\ud801\udc01");
+execl(["\ud801"], /\W/, "\ud801\udc01");
+execl(["\ud801\udc01"], /\W/u, "\ud801\udc01");
+
+execl(["\ud800X"], /.X/u, "\ud800XaX");
+execl(["aX"], /.(?<!\ud800)X/u, "\ud800XaX");
+execl(["aX"], /.(?<![\ud800-\ud900])X/u, "\ud800XaX");
+
+execl(null, /[]/u, "\u1234");
+execl(["0abc"], /[^]abc/u, "0abc");
+execl(["\u1234abc"], /[^]abc/u, "\u1234abc");
+execl(["\u{12345}abc"], /[^]abc/u, "\u{12345}abc");
+
+// Backward matches of lone surrogates.
+execl(["B", "\ud803A"], /(?<=([\ud800-\ud900]A))B/u,
+ "\ud801\udc00AB\udc00AB\ud802\ud803AB");
+execl(["B", "\udc00A"], /(?<=([\ud800-\u{10300}]A))B/u,
+ "\ud801\udc00AB\udc00AB\ud802\ud803AB");
+execl(["B", "\udc11A"], /(?<=([\udc00-\udd00]A))B/u,
+ "\ud801\udc00AB\udc11AB\ud802\ud803AB");
+execl(["X", "\ud800C"], /(?<=(\ud800\w))X/u,
+ "\ud800\udc00AX\udc11BX\ud800\ud800CX");
+execl(["C", "\ud800\ud800"], /(?<=(\ud800.))\w/u,
+ "\ud800\udc00AX\udc11BX\ud800\ud800CX");
+execl(["X", "\udc01C"], /(?<=(\udc01\w))X/u,
+ "\ud800\udc01AX\udc11BX\udc01\udc01CX");
+execl(["C", "\udc01\udc01"], /(?<=(\udc01.))./u,
+ "\ud800\udc01AX\udc11BX\udc01\udc01CX");
+
+
+var L = "\ud800";
+var T = "\udc00";
+var X = "X";
+
+// Test string contains only match.
+function testw(expect, src, subject) {
+ var re = new RegExp("^" + src + "$", "u");
+ assertEquals(expect, re.test(subject));
+}
+
+// Test string starts with match.
+function tests(expect, src, subject) {
+ var re = new RegExp("^" + src, "u");
+ assertEquals(expect, re.test(subject));
+}
+
+testw(true, X, X);
+testw(true, L, L);
+testw(true, T, T);
+testw(true, L + T, L + T);
+testw(true, T + L, T + L);
+testw(false, T, L + T);
+testw(false, L, L + T);
+testw(true, ".(?<=" + L + ")", L);
+testw(true, ".(?<=" + T + ")", T);
+testw(true, ".(?<=" + L + T + ")", L + T);
+testw(true, ".(?<=" + L + T + ")", L + T);
+tests(true, ".(?<=" + T + ")", T + L);
+tests(false, ".(?<=" + L + ")", L + T);
+tests(false, ".(?<=" + T + ")", L + T);
+tests(true, "..(?<=" + T + ")", T + T + L);
+tests(true, "..(?<=" + T + ")", X + T + L);
+tests(true, "...(?<=" + L + ")", X + T + L);
+tests(false, "...(?<=" + T + ")", X + L + T)
+tests(true, "..(?<=" + L + T + ")", X + L + T)
+tests(true, "..(?<=" + L + T + "(?<=" + L + T + "))", X + L + T);
+tests(false, "..(?<=" + L + "(" + T + "))", X + L + T);
+tests(false, ".*" + L, X + L + T);
+tests(true, ".*" + L, X + L + L + T);
+tests(false, ".*" + L, X + L + T + L + T);
+tests(false, ".*" + T, X + L + T + L + T);
+tests(true, ".*" + T, X + L + T + T + L + T);
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