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Diffstat (limited to 'js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/coerce-lastindex-err.js')
-rw-r--r-- | js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/coerce-lastindex-err.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/coerce-lastindex-err.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/coerce-lastindex-err.js new file mode 100644 index 0000000000..767644672b --- /dev/null +++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/coerce-lastindex-err.js @@ -0,0 +1,53 @@ +// 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: > + Abrupt completion during coercion of "lastIndex" property of `this` value. +info: | + RegExp.prototype [ @@replace ] ( string, replaceValue ) + + [...] + 11. Repeat, while done is false + a. Let result be ? RegExpExec(rx, S). + b. If result is null, set done to true. + c. Else, + i. Append result to the end of results. + ii. If global is false, set done to true. + iii. Else, + 1. Let matchStr be ? ToString(? Get(result, "0")). + 2. If matchStr is the empty String, then + a. Let thisIndex be ? ToLength(? Get(rx, "lastIndex")). +features: [Symbol.replace] +---*/ + +var r = /./g; +var execWasCalled = false; +var coercibleIndex = { + valueOf: function() { + throw new Test262Error(); + }, +}; + +var result = { + length: 1, + 0: '', + index: 0, +}; + +r.exec = function() { + if (execWasCalled) { + return null; + } + + r.lastIndex = coercibleIndex; + execWasCalled = true; + return result; +}; + +assert.throws(Test262Error, function() { + r[Symbol.replace]('', ''); +}); + +reportCompare(0, 0); |