diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/from/source-array-boundary.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/from/source-array-boundary.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/from/source-array-boundary.js b/js/src/tests/test262/built-ins/Array/from/source-array-boundary.js new file mode 100644 index 0000000000..5251652c21 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/from/source-array-boundary.js @@ -0,0 +1,30 @@ +// Copyright 2015 Microsoft Corporation. All rights reserved. +// This code is governed by the license found in the LICENSE file. + +/*--- +description: Source array with boundary values +esid: sec-array.from +es6id: 22.1.2.1 +---*/ + +var array = [Number.MAX_VALUE, Number.MIN_VALUE, Number.NaN, Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY]; +var arrayIndex = -1; + +function mapFn(value, index) { + this.arrayIndex++; + assert.sameValue(value, array[this.arrayIndex], "Value mismatch in mapFn at index " + index + "."); + assert.sameValue(index, this.arrayIndex, "Index mismatch in mapFn."); + + return value; +} + +var a = Array.from(array, mapFn, this); + +assert.sameValue(a.length, array.length, "Length mismatch."); +assert.sameValue(a[0], Number.MAX_VALUE, "Element mismatch for mapped array at index 0."); +assert.sameValue(a[1], Number.MIN_VALUE, "Element mismatch for mapped array at index 1."); +assert.sameValue(a[2], Number.NaN, "Element mismatch for mapped array at index 2."); +assert.sameValue(a[3], Number.NEGATIVE_INFINITY, "Element mismatch for mapped array at index 3."); +assert.sameValue(a[4], Number.POSITIVE_INFINITY, "Element mismatch for mapped array at index 4."); + +reportCompare(0, 0); |