test262/test/built-ins/DataView/custom-proto-access-throws.js

45 lines
1.2 KiB
JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
Return abrupt from newTarget's custom constructor prototype
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
12. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DataViewPrototype%",
« [[DataView]], [[ViewedArrayBuffer]], [[ByteLength]], [[ByteOffset]] »).
...
17. Return O.
9.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ ,
internalSlotsList ] )
...
2. Let proto be ? GetPrototypeFromConstructor(constructor,
intrinsicDefaultProto).
3. Return ObjectCreate(proto, internalSlotsList).
9.1.15 GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
...
3. Let proto be ? Get(constructor, "prototype").
...
features: [Reflect.construct]
---*/
var buffer = new ArrayBuffer(8);
var newTarget = function() {}.bind(null);
Object.defineProperty(newTarget, "prototype", {
get() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
Reflect.construct(DataView, [buffer, 0], newTarget);
});