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Issue 1663543003: [regexp] fix zero-length matches for RegExp.prototype.@@split. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: address comment Created 4 years, 10 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --harmony-unicode-regexps 5 // Flags: --harmony-unicode-regexps
6 6
7 var L = "\ud800"; 7 var L = "\ud800";
8 var T = "\udc00"; 8 var T = "\udc00";
9 var x = "x"; 9 var x = "x";
10 10
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46 assertEquals(["","","","",""], (L + T + L + T).match(r)); 46 assertEquals(["","","","",""], (L + T + L + T).match(r));
47 47
48 u.lastIndex = 1; 48 u.lastIndex = 1;
49 assertEquals(["","",""], (L + T + L + T).match(u)); 49 assertEquals(["","",""], (L + T + L + T).match(u));
50 u.lastIndex = 2; 50 u.lastIndex = 2;
51 assertEquals(["","",""], (L + T + L + T).match(u)); 51 assertEquals(["","",""], (L + T + L + T).match(u));
52 52
53 var expected = []; 53 var expected = [];
54 for (var i = 0; i <= 1000; i++) expected.push(""); 54 for (var i = 0; i <= 1000; i++) expected.push("");
55 assertEquals(expected, (L + T).repeat(1000).match(u)); 55 assertEquals(expected, (L + T).repeat(1000).match(u));
56
57 // Also test RegExp.prototype.@@split.
58 assertEquals(["\u{12345}"], "\u{12345}".split(/(?:)/u));
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