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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore-samevalue.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore-samevalue.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore-samevalue.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore-samevalue.js new file mode 100644 index 0000000000..a7a909fe72 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore-samevalue.js @@ -0,0 +1,29 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-regexp.prototype-@@search +description: > + `currentLastIndex` value is compared using SameValue. +info: | + RegExp.prototype [ @@search ] ( string ) + + [...] + 6. Let result be ? RegExpExec(rx, S). + 7. Let currentLastIndex be ? Get(rx, "lastIndex"). + 8. If SameValue(currentLastIndex, previousLastIndex) is false, then + a. Perform ? Set(rx, "lastIndex", previousLastIndex, true). + [...] +features: [Symbol.search] +---*/ + +var re = /(?:)/; +re.exec = function() { + re.lastIndex = -0; + return null; +}; + +assert.sameValue(re[Symbol.search](""), -1); +assert.sameValue(re.lastIndex, 0); + +reportCompare(0, 0); |