for (var constructor of anyTypedArrayConstructors) { assertDeepEq(constructor.prototype.reverse.length, 0); assertDeepEq(new constructor().reverse(), new constructor()); assertDeepEq(new constructor(10).reverse(), new constructor(10)); assertDeepEq(new constructor([]).reverse(), new constructor([])); assertDeepEq(new constructor([1]).reverse(), new constructor([1])); assertDeepEq(new constructor([1, 2]).reverse(), new constructor([2, 1])); assertDeepEq(new constructor([1, 2, 3]).reverse(), new constructor([3, 2, 1])); assertDeepEq(new constructor([1, 2, 3, 4]).reverse(), new constructor([4, 3, 2, 1])); assertDeepEq(new constructor([1, 2, 3, 4, 5]).reverse(), new constructor([5, 4, 3, 2, 1])); assertDeepEq(new constructor([.1, .2, .3]).reverse(), new constructor([.3, .2, .1])); // Called from other globals. if (typeof newGlobal === "function") { var reverse = newGlobal()[constructor.name].prototype.reverse; assertDeepEq(reverse.call(new constructor([3, 2, 1])), new constructor([1, 2, 3])); } // Throws if `this` isn't a TypedArray. var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./, new Proxy(new constructor(), {})]; invalidReceivers.forEach(invalidReceiver => { assertThrowsInstanceOf(() => { constructor.prototype.reverse.call(invalidReceiver); }, TypeError, "Assert that reverse fails if this value is not a TypedArray"); }); // Test that the length getter is never called. Object.defineProperty(new constructor([1, 2, 3]), "length", { get() { throw new Error("length accessor called"); } }).reverse(); } if (typeof reportCompare === "function") reportCompare(true, true);