diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-length-to-string-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-length-to-string-throws.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-length-to-string-throws.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-length-to-string-throws.js new file mode 100644 index 0000000000..64a1fce627 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-length-to-string-throws.js @@ -0,0 +1,26 @@ +// Copyright (c) 2014 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +/*--- +esid: sec-array.prototype.concat +description: Array.prototype.concat array like length to string throws +features: [Symbol.isConcatSpreadable] +---*/ +var objWithPoisonedLengthToString = { + "length": { + toString: function() { + throw new Test262Error(); + }, + valueOf: null + }, + "1": "A", + "3": "B", + "5": "C" +}; +objWithPoisonedLengthToString[Symbol.isConcatSpreadable] = true; +assert.throws(Test262Error, function() { + [].concat(objWithPoisonedLengthToString); +}, '[].concat(objWithPoisonedLengthToString) throws a Test262Error exception'); + +reportCompare(0, 0); |