unicode-match.js (2400B)
1 // Copyright 2017 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 description: Basic matching cases with Unicode groups 6 esid: prod-GroupSpecifier 7 features: [regexp-named-groups] 8 includes: [compareArray.js] 9 ---*/ 10 11 assert.compareArray(["a", "a"], "bab".match(/(?<a>a)/u)); 12 assert.compareArray(["a", "a"], "bab".match(/(?<a42>a)/u)); 13 assert.compareArray(["a", "a"], "bab".match(/(?<_>a)/u)); 14 assert.compareArray(["a", "a"], "bab".match(/(?<$>a)/u)); 15 assert.compareArray(["bab", "a"], "bab".match(/.(?<$>a)./u)); 16 assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(.)/u)); 17 assert.compareArray(["bab", "a", "b"], "bab".match(/.(?<a>a)(?<b>.)/u)); 18 assert.compareArray(["bab", "ab"], "bab".match(/.(?<a>\w\w)/u)); 19 assert.compareArray(["bab", "bab"], "bab".match(/(?<a>\w\w\w)/u)); 20 assert.compareArray(["bab", "ba", "b"], "bab".match(/(?<a>\w\w)(?<b>\w)/u)); 21 22 let {a, b, c} = /(?<a>.)(?<b>.)(?<c>.)\k<c>\k<b>\k<a>/u.exec("abccba").groups; 23 assert.sameValue(a, "a"); 24 assert.sameValue(b, "b"); 25 assert.sameValue(c, "c"); 26 27 assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<a>a)/u)); 28 assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<a42>a)/u)); 29 assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<_>a)/u)); 30 assert.compareArray("bab".match(/(a)/u), "bab".match(/(?<$>a)/u)); 31 assert.compareArray("bab".match(/.(a)./u), "bab".match(/.(?<$>a)./u)); 32 assert.compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(.)/u)); 33 assert.compareArray("bab".match(/.(a)(.)/u), "bab".match(/.(?<a>a)(?<b>.)/u)); 34 assert.compareArray("bab".match(/.(\w\w)/u), "bab".match(/.(?<a>\w\w)/u)); 35 assert.compareArray("bab".match(/(\w\w\w)/u), "bab".match(/(?<a>\w\w\w)/u)); 36 assert.compareArray("bab".match(/(\w\w)(\w)/u), "bab".match(/(?<a>\w\w)(?<b>\w)/u)); 37 38 assert.compareArray(["bab", "b"], "bab".match(/(?<b>b).\1/u)); 39 assert.compareArray(["baba", "b", "a"], "baba".match(/(.)(?<a>a)\1\2/u)); 40 assert.compareArray(["baba", "b", "a", "b", "a"], "baba".match(/(.)(?<a>a)(?<b>\1)(\2)/u)); 41 assert.compareArray(["<a", "<"], "<a".match(/(?<lt><)a/u)); 42 assert.compareArray([">a", ">"], ">a".match(/(?<gt>>)a/u)); 43 44 // Nested groups. 45 assert.compareArray(["bab", "bab", "ab", "b"], "bab".match(/(?<a>.(?<b>.(?<c>.)))/u)); 46 assert.compareArray({a: "bab", b: "ab", c: "b"}, "bab".match(/(?<a>.(?<b>.(?<c>.)))/u).groups); 47 48 reportCompare(0, 0);