diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments.js new file mode 100644 index 0000000000..1027774fde --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments.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 sloppy arguments +includes: [compareArray.js] +features: [Symbol.isConcatSpreadable] +---*/ +var args = (function(a, b, c) { + return arguments; +})(1, 2, 3); +args[Symbol.isConcatSpreadable] = true; +assert.compareArray([].concat(args, args), [1, 2, 3, 1, 2, 3], + '[].concat((function(a, b, c) {return arguments;})(1, 2, 3), (function(a, b, c) {return arguments;})(1, 2, 3)) must return [1, 2, 3, 1, 2, 3]' +); + +Object.defineProperty(args, "length", { + value: 6 +}); +assert.compareArray([].concat(args), [1, 2, 3, void 0, void 0, void 0], + '[].concat((function(a, b, c) {return arguments;})(1, 2, 3)) must return [1, 2, 3, void 0, void 0, void 0]' +); + +reportCompare(0, 0); |