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Diffstat (limited to 'deps/v8/test/mjsunit/harmony/proxies-has-own-property.js')
-rw-r--r-- | deps/v8/test/mjsunit/harmony/proxies-has-own-property.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/harmony/proxies-has-own-property.js b/deps/v8/test/mjsunit/harmony/proxies-has-own-property.js new file mode 100644 index 0000000000..1455d2b273 --- /dev/null +++ b/deps/v8/test/mjsunit/harmony/proxies-has-own-property.js @@ -0,0 +1,39 @@ +// Copyright 2015 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --harmony-proxies + +var handler = {}; +var target = {a:1}; +var proxy = new Proxy(target, handler); + +assertTrue(target.hasOwnProperty('a')); +assertTrue(proxy.hasOwnProperty('a')); +assertFalse(target.hasOwnProperty('b')); +assertFalse(proxy.hasOwnProperty('b')); + + +handler.has = function() { assertUnreachable() } +handler.getOwnPropertyDescriptor = function () {} + +assertTrue(target.hasOwnProperty('a')); +assertFalse(proxy.hasOwnProperty('a')); +assertFalse(target.hasOwnProperty('b')); +assertFalse(proxy.hasOwnProperty('b')); + + +handler.getOwnPropertyDescriptor = function() { return {configurable: true} } + +assertTrue(target.hasOwnProperty('a')); +assertTrue(proxy.hasOwnProperty('a')); +assertFalse(target.hasOwnProperty('b')); +assertTrue(proxy.hasOwnProperty('b')); + + +handler.getOwnPropertyDescriptor = function() { throw Error(); } + +assertTrue(target.hasOwnProperty('a')); +assertThrows(function(){ proxy.hasOwnProperty('a') }, Error); +assertFalse(target.hasOwnProperty('b')); +assertThrows(function(){ proxy.hasOwnProperty('b') }, Error); |