diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/concat/S15.4.4.4_A3_T1.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/concat/S15.4.4.4_A3_T1.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/S15.4.4.4_A3_T1.js b/js/src/tests/test262/built-ins/Array/prototype/concat/S15.4.4.4_A3_T1.js new file mode 100644 index 0000000000..34ef8926c9 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/concat/S15.4.4.4_A3_T1.js @@ -0,0 +1,34 @@ +// Copyright 2009 the Sputnik authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.concat +info: "[[Get]] from not an inherited property" +es5id: 15.4.4.4_A3_T1 +description: > + [[Prototype]] of Array instance is Array.prototype, [[Prototype] + of Array.prototype is Object.prototype +---*/ + +Array.prototype[1] = 1; +var x = [0]; +x.length = 2; +var arr = x.concat(); + +assert.sameValue(arr[0], 0, 'The value of arr[0] is expected to be 0'); +assert.sameValue(arr[1], 1, 'The value of arr[1] is expected to be 1'); +assert.sameValue(arr.hasOwnProperty('1'), true, 'arr.hasOwnProperty("1") must return true'); + +Object.prototype[1] = 1; +Object.prototype.length = 2; +Object.prototype.concat = Array.prototype.concat; +x = { + 0: 0 +}; +var arr = x.concat(); + +assert.sameValue(arr[0], x, 'The value of arr[0] is expected to equal the value of x'); +assert.sameValue(arr[1], 1, 'The value of arr[1] is expected to be 1'); +assert.sameValue(arr.hasOwnProperty('1'), false, 'arr.hasOwnProperty("1") must return false'); + +reportCompare(0, 0); |