for (var constructor of anyTypedArrayConstructors) { assertEq(constructor.prototype.includes.length, 1); assertEq(new constructor([1, 2, 3]).includes(1), true); assertEq(new constructor([1, 2, 3]).includes(2), true); assertEq(new constructor([1, 2, 3]).includes(3), true); assertEq(new constructor([1, 2, 3]).includes(2, 1), true); assertEq(new constructor([1, 2, 3]).includes(2, -2), true); assertEq(new constructor([1, 2, 3]).includes(2, -100), true); assertEq(new constructor([1, 2, 3]).includes("2"), false); assertEq(new constructor([1, 2, 3]).includes(2, 2), false); assertEq(new constructor([1, 2, 3]).includes(2, -1), false); assertEq(new constructor([1, 2, 3]).includes(2, 100), false); // Called from other globals. if (typeof newGlobal === "function") { var includes = newGlobal()[constructor.name].prototype.includes; assertEq(includes.call(new constructor([1, 2, 3]), 2), true); } // Throws if `this` isn't a TypedArray. var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./, new Proxy(new constructor(), {})]; invalidReceivers.forEach(invalidReceiver => { assertThrowsInstanceOf(() => { constructor.prototype.includes.call(invalidReceiver); }, TypeError, "Assert that reverse fails if this value is not a TypedArray"); }); // Test that the length getter is never called. assertEq(Object.defineProperty(new constructor([1, 2, 3]), "length", { get() { throw new Error("length accessor called"); } }).includes(2), true); } if (typeof reportCompare === "function") reportCompare(true, true);