diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.js b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.js new file mode 100644 index 0000000000..7c3192a6a3 --- /dev/null +++ b/js/src/tests/non262/TypedArray/constructor-iterable-modified-array-iterator.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. +const origIterator = Array.prototype[Symbol.iterator]; +const modifiedIterator = function*() { + for (let v of origIterator.call(this)) { + yield v * 5; + } +}; +for (let constructor of anyTypedArrayConstructors) { + for (let array of [[], [1], [2, 3], [4, 5, 6], Array(1024).fill(0).map((v, i) => i % 24)]) { + Array.prototype[Symbol.iterator] = modifiedIterator; + let typedArray; + try { + typedArray = new constructor(array) + } finally { + Array.prototype[Symbol.iterator] = origIterator; + } + + assertEq(typedArray.length, array.length); + assertEqArray(typedArray, array.map(v => v * 5)); + } +} + +if (typeof reportCompare === "function") + reportCompare(true, true); |