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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/TypedArray/constructor-typedarray-species-other-global.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/constructor-typedarray-species-other-global.js b/js/src/tests/non262/TypedArray/constructor-typedarray-species-other-global.js new file mode 100644 index 0000000000..872f46408a --- /dev/null +++ b/js/src/tests/non262/TypedArray/constructor-typedarray-species-other-global.js @@ -0,0 +1,33 @@ +// 22.2.4.3 TypedArray ( typedArray ) + +// Test [[Prototype]] of newly created typed array and its array buffer, and +// ensure they are both created in the correct global. + +const thisGlobal = this; +const otherGlobal = newGlobal(); + +const typedArrays = [otherGlobal.eval("new Int32Array(0)")]; + +if (this.SharedArrayBuffer) { + typedArrays.push(otherGlobal.eval("new Int32Array(new SharedArrayBuffer(0))")); +} + +for (let typedArray of typedArrays) { + // Ensure the "constructor" property isn't accessed. + Object.defineProperty(typedArray.buffer, "constructor", { + get() { + throw new Error("constructor property accessed"); + } + }); + + for (let ctor of typedArrayConstructors) { + let newTypedArray = new ctor(typedArray); + + assertEq(Object.getPrototypeOf(newTypedArray), ctor.prototype); + assertEq(Object.getPrototypeOf(newTypedArray.buffer), ArrayBuffer.prototype); + assertEq(newTypedArray.buffer.constructor, ArrayBuffer); + } +} + +if (typeof reportCompare === "function") + reportCompare(0, 0); |