diff options
Diffstat (limited to 'js/src/tests/non262/TypedArray/keys.js')
-rw-r--r-- | js/src/tests/non262/TypedArray/keys.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/keys.js b/js/src/tests/non262/TypedArray/keys.js new file mode 100644 index 0000000000..88477cd758 --- /dev/null +++ b/js/src/tests/non262/TypedArray/keys.js @@ -0,0 +1,36 @@ +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); |