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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/result-coerce-index-undefined.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/result-coerce-index-undefined.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/result-coerce-index-undefined.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/result-coerce-index-undefined.js new file mode 100644 index 0000000000..506b483703 --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/result-coerce-index-undefined.js @@ -0,0 +1,43 @@ +// 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-@@replace +description: > + Integer coercion of "index" property of the value returned by RegExpExec. + (undefined value) +info: | + RegExp.prototype [ @@replace ] ( string, replaceValue ) + + [...] + 14. For each result in results, do + [...] + e. Let position be ? ToInteger(? Get(result, "index")). + [...] + + ToInteger ( argument ) + + 1. Let number be ? ToNumber(argument). + 2. If number is NaN, return +0. +features: [Symbol.toPrimitive, Symbol.replace] +---*/ + +var index = {}; +var toPrimitiveHint; +index[Symbol.toPrimitive] = function(hint) { + toPrimitiveHint = hint; +}; + +var r = /./; +r.exec = function() { + return { + length: 1, + 0: 'a', + index: index, + }; +}; + +assert.sameValue(r[Symbol.replace]('ab', '$`'), 'b'); +assert.sameValue(toPrimitiveHint, 'number'); + +reportCompare(0, 0); |