diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-to-length-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-to-length-throws.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-to-length-throws.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-to-length-throws.js new file mode 100644 index 0000000000..8aef650339 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_array-like-to-length-throws.js @@ -0,0 +1,31 @@ +// 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 to length throws +features: [Symbol.isConcatSpreadable] +---*/ +var spreadableWithBrokenLength = { + "length": { + valueOf: null, + toString: null + }, + "1": "A", + "3": "B", + "5": "C" +}; +spreadableWithBrokenLength[Symbol.isConcatSpreadable] = true; +var obj2 = { + length: 3, + "0": "0", + "1": "1", + "2": "2" +}; +var arr = ["X", "Y", "Z"]; +assert.throws(TypeError, function() { + Array.prototype.concat.call(spreadableWithBrokenLength, obj2, arr); +}, 'Array.prototype.concat.call(spreadableWithBrokenLength, obj2, arr) throws a TypeError exception'); + +reportCompare(0, 0); |