keys.js - mozsearch

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for (var constructor of anyTypedArrayConstructors) {

    assertEq(constructor.prototype.keys.length, 0);

    assertEq(constructor.prototype.keys.name, "keys");

    assertDeepEq([...new constructor(0).keys()], []);

    assertDeepEq([...new constructor(1).keys()], [0]);

    assertDeepEq([...new constructor(2).keys()], [0, 1]);

    assertDeepEq([...new constructor([15]).keys()], [0]);

    var arr = new constructor([1, 2, 3]);

    var iterator = arr.keys();

    assertDeepEq(iterator.next(), {value: 0, done: false});

    assertDeepEq(iterator.next(), {value: 1, done: false});

    assertDeepEq(iterator.next(), {value: 2, done: false});

    assertDeepEq(iterator.next(), {value: undefined, done: true});

    // Called from other globals.

    if (typeof newGlobal === "function") {

        var keys = newGlobal()[constructor.name].prototype.keys;

        assertDeepEq([...keys.call(new constructor(2))], [0, 1]);

        arr = new (newGlobal()[constructor.name])(2);

        assertEq([...constructor.prototype.keys.call(arr)].toString(), "0,1");

    // Throws if `this` isn't a TypedArray.

    var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./,

                            new Proxy(new constructor(), {})];

    invalidReceivers.forEach(invalidReceiver => {

        assertThrowsInstanceOf(() => {

            constructor.prototype.keys.call(invalidReceiver);

        }, TypeError, "Assert that keys fails if this value is not a TypedArray");

});

if (typeof reportCompare === "function")

    reportCompare(true, true);