for (var constructor of anyTypedArrayConstructors) { assertEq(constructor.prototype.entries.length, 0); assertEq(constructor.prototype.entries.name, "entries"); assertDeepEq([...new constructor(0).entries()], []); assertDeepEq([...new constructor(1).entries()], [[0, 0]]); assertDeepEq([...new constructor(2).entries()], [[0, 0], [1, 0]]); assertDeepEq([...new constructor([15]).entries()], [[0, 15]]); var arr = new constructor([1, 2, 3]); var iterator = arr.entries(); assertDeepEq(iterator.next(), {value: [0, 1], done: false}); assertDeepEq(iterator.next(), {value: [1, 2], done: false}); assertDeepEq(iterator.next(), {value: [2, 3], done: false}); assertDeepEq(iterator.next(), {value: undefined, done: true}); // Called from other globals. if (typeof newGlobal === "function") { var otherGlobal = newGlobal(); var entries = otherGlobal[constructor.name].prototype.entries; assertDeepEq([...entries.call(new constructor(2))], [new otherGlobal.Array(0, 0), new otherGlobal.Array(1, 0)]); arr = new (newGlobal()[constructor.name])(2); assertEq([...constructor.prototype.entries.call(arr)].toString(), "0,0,1,0"); } // Throws if `this` isn't a TypedArray. var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./, new Proxy(new constructor(), {})]; invalidReceivers.forEach(invalidReceiver => { assertThrowsInstanceOf(() => { constructor.prototype.entries.call(invalidReceiver); }, TypeError, "Assert that entries fails if this value is not a TypedArray"); }); } if (typeof reportCompare === "function") reportCompare(true, true);