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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/TypedArray/reverse.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/reverse.js b/js/src/tests/non262/TypedArray/reverse.js new file mode 100644 index 0000000000..f8146506c6 --- /dev/null +++ b/js/src/tests/non262/TypedArray/reverse.js @@ -0,0 +1,38 @@ +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); |