diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_length-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_length-throws.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_length-throws.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_length-throws.js new file mode 100644 index 0000000000..6ff8e0b3e1 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_length-throws.js @@ -0,0 +1,27 @@ +// 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 length throws +features: [Symbol.isConcatSpreadable] +---*/ +var spreadablePoisonedLengthGetter = {}; +spreadablePoisonedLengthGetter[Symbol.isConcatSpreadable] = true; +Object.defineProperty(spreadablePoisonedLengthGetter, "length", { + get: function() { + throw new Test262Error(); + } +}); + +assert.throws(Test262Error, function() { + [].concat(spreadablePoisonedLengthGetter); +}, '[].concat(spreadablePoisonedLengthGetter) throws a Test262Error exception'); + +assert.throws(Test262Error, function() { + Array.prototype.concat.call(spreadablePoisonedLengthGetter, 1, 2, 3); +}, 'Array.prototype.concat.call(spreadablePoisonedLengthGetter, 1, 2, 3) throws a Test262Error exception'); + +reportCompare(0, 0); |