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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/proto-from-ctor-realm-sab.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/proto-from-ctor-realm-sab.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/proto-from-ctor-realm-sab.js new file mode 100644 index 0000000000..1da9bed6a2 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/proto-from-ctor-realm-sab.js @@ -0,0 +1,41 @@ +// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// Copyright (C) 2017 Mozilla Corporation. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-typedarray-buffer-byteoffset-length +description: Default [[Prototype]] value derived from realm of the newTarget +info: | + [...] + 4. Let O be ? AllocateTypedArray(constructorName, NewTarget, + "%TypedArrayPrototype%"). + [...] + + 22.2.4.2.1 Runtime Semantics: AllocateTypedArray + + 1. Let proto be ? GetPrototypeFromConstructor(newTarget, defaultProto). + [...] + + 9.1.14 GetPrototypeFromConstructor + + [...] + 3. Let proto be ? Get(constructor, "prototype"). + 4. If Type(proto) is not Object, then + a. Let realm be ? GetFunctionRealm(constructor). + b. Let proto be realm's intrinsic object named intrinsicDefaultProto. + 5. Return proto. +includes: [testTypedArray.js] +features: [cross-realm, SharedArrayBuffer, Reflect, TypedArray] +---*/ + +var other = $262.createRealm().global; +var C = new other.Function(); +C.prototype = null; + +testWithTypedArrayConstructors(function(TA) { + var ta = Reflect.construct(TA, [new SharedArrayBuffer(8)], C); + + assert.sameValue(Object.getPrototypeOf(ta), other[TA.name].prototype); +}); + +reportCompare(0, 0); |