diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-is-invalid-descriptor.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-is-invalid-descriptor.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-is-invalid-descriptor.js b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-is-invalid-descriptor.js new file mode 100644 index 0000000000..f8a20d2d33 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-is-invalid-descriptor.js @@ -0,0 +1,36 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.5 +description: > + Throws a TypeError exception if trap result and target property descriptors + are not compatible. +info: | + [[GetOwnProperty]] (P) + + ... + 20. Let valid be IsCompatiblePropertyDescriptor (extensibleTarget, + resultDesc, targetDesc). + 21. If valid is false, throw a TypeError exception. +features: [Proxy] +---*/ + +var target = {}; + +var p = new Proxy(target, { + getOwnPropertyDescriptor: function(t, prop) { + var foo = { + bar: 1 + }; + + return Object.getOwnPropertyDescriptor(foo, "bar"); + } +}); + +Object.preventExtensions(target); + +assert.throws(TypeError, function() { + Object.getOwnPropertyDescriptor(p, "bar"); +}); + +reportCompare(0, 0); |