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Diffstat (limited to 'js/src/tests/test262/built-ins/DataView/instance-extensibility.js')
-rw-r--r-- | js/src/tests/test262/built-ins/DataView/instance-extensibility.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/instance-extensibility.js b/js/src/tests/test262/built-ins/DataView/instance-extensibility.js new file mode 100644 index 0000000000..5c6f0b9486 --- /dev/null +++ b/js/src/tests/test262/built-ins/DataView/instance-extensibility.js @@ -0,0 +1,53 @@ +// 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: > + The new instance is extensible +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 ] ) + + ... + 3. Return ObjectCreate(proto, internalSlotsList). + + 9.1.12 ObjectCreate (proto [ , internalSlotsList ]) + + ... + 5. Set the [[Extensible]] internal slot of obj to true. + ... +includes: [propertyHelper.js] +---*/ + +var buffer = new ArrayBuffer(8); +var sample = new DataView(buffer, 0); + +assert(Object.isExtensible(sample)); + +Object.defineProperty(sample, 'baz', {}); +assert(sample.hasOwnProperty('baz'), 'confirms extensibility adding a new property'); + +Object.defineProperty(sample, 'foo', { + value: 'bar', + writable: true, + configurable: true, + enumerable: false, +}); + +verifyProperty(sample, 'foo', { + value: 'bar', + writable: true, + configurable: true, + enumerable: false, +}); + +reportCompare(0, 0); |