diff options
Diffstat (limited to 'js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js')
-rw-r--r-- | js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js new file mode 100644 index 0000000000..76eaaae46d --- /dev/null +++ b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator-next.js @@ -0,0 +1,28 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// Construct typed array from array with modified array iterator next method. +const ArrayIteratorPrototype = Object.getPrototypeOf([][Symbol.iterator]()); +const origNext = ArrayIteratorPrototype.next; +const modifiedNext = function() { + let {value, done} = origNext.call(this); + return {value: value * 5, done}; +}; +for (let constructor of anyTypedArrayConstructors) { + for (let array of [[], [1], [2, 3], [4, 5, 6], Array(1024).fill(0).map((v, i) => i % 24)]) { + ArrayIteratorPrototype.next = modifiedNext; + let typedArray; + try { + typedArray = new constructor(array); + } finally { + ArrayIteratorPrototype.next = origNext; + } + + assertEq(typedArray.length, array.length); + assertEqArray(typedArray, array.map(v => v * 5)); + } +} + +if (typeof reportCompare === "function") + reportCompare(true, true); |