diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/from/elements-deleted-after.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/from/elements-deleted-after.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/from/elements-deleted-after.js b/js/src/tests/test262/built-ins/Array/from/elements-deleted-after.js new file mode 100644 index 0000000000..5b63a932aa --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/from/elements-deleted-after.js @@ -0,0 +1,34 @@ +// Copyright 2015 Microsoft Corporation. All rights reserved. +// This code is governed by the license found in the LICENSE file. + +/*--- +description: > + Elements deleted after the call started and before visited are not + visited +esid: sec-array.from +---*/ + +var originalArray = [0, 1, -2, 4, -8, 16]; +var array = [0, 1, -2, 4, -8, 16]; +var a = []; +var arrayIndex = -1; + +function mapFn(value, index) { + this.arrayIndex++; + assert.sameValue(value, array[this.arrayIndex], 'The value of value is expected to equal the value of array[this.arrayIndex]'); + assert.sameValue(index, this.arrayIndex, 'The value of index is expected to equal the value of this.arrayIndex'); + + array.splice(array.length - 1, 1); + return 127; +} + + +a = Array.from(array, mapFn, this); + +assert.sameValue(a.length, originalArray.length / 2, 'The value of a.length is expected to be originalArray.length / 2'); + +for (var j = 0; j < originalArray.length / 2; j++) { + assert.sameValue(a[j], 127, 'The value of a[j] is expected to be 127'); +} + +reportCompare(0, 0); |