Source code
Revision control
Copy as Markdown
Other Tools
/* 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
// 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);