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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/prototype/__defineGetter__/define-existing.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/__defineGetter__/define-existing.js b/js/src/tests/test262/built-ins/Object/prototype/__defineGetter__/define-existing.js new file mode 100644 index 0000000000..d23ffa10fe --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/prototype/__defineGetter__/define-existing.js @@ -0,0 +1,45 @@ +// 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-additional-properties-of-the-object.prototype-object +description: Behavior when property exists and is configurable +info: | + [...] + 3. Let desc be PropertyDescriptor{[[Get]]: getter, [[Enumerable]]: true, + [[Configurable]]: true}. + 4. Let key be ? ToPropertyKey(P). + 5. Perform ? DefinePropertyOrThrow(O, key, desc). + 6. Return undefined. +includes: [propertyHelper.js] +features: [__getter__] +---*/ + +var subject = {}; +var originalGet = function() {}; +var originalSet = function() {}; +var newGet = function() {}; +var desc, result; + +Object.defineProperty(subject, 'stringAcsr', { + get: originalGet, + set: originalSet, + enumerable: false, + configurable: true +}); + +result = subject.__defineGetter__('stringAcsr', newGet); + +desc = Object.getOwnPropertyDescriptor(subject, 'stringAcsr'); + +verifyProperty(subject, "stringAcsr", { + enumerable: true, + configurable: true +}); + +assert.sameValue(desc.get, newGet, 'descriptor `get` method'); +assert.sameValue(desc.set, originalSet, 'descriptor `set` method'); +assert.sameValue(desc.value, undefined, 'descriptor `value` property'); + +assert.sameValue(result, undefined, 'method return value'); + +reportCompare(0, 0); |