diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js b/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js new file mode 100644 index 0000000000..104ca1114d --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/15.4.4.4-5-c-i-1.js @@ -0,0 +1,30 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.concat +description: > + Array.prototype.concat will concat an Array when index property + (read-only) exists in Array.prototype (Step 5.c.i) +includes: [propertyHelper.js] +---*/ + +Object.defineProperty(Array.prototype, "0", { + value: 100, + writable: false, + configurable: true +}); + +var newArrayFromConcat = Array.prototype.concat.call(101); + +assert( + newArrayFromConcat[0] instanceof Number, + 'The result of evaluating (newArrayFromConcat[0] instanceof Number) is expected to be true' +); +verifyProperty(newArrayFromConcat, "0", { + writable: true, + enumerable: true, + configurable: true, +}); + +reportCompare(0, 0); |