diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/set/target-property-is-not-configurable-not-writable-not-equal-to-v.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/set/target-property-is-not-configurable-not-writable-not-equal-to-v.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/set/target-property-is-not-configurable-not-writable-not-equal-to-v.js b/js/src/tests/test262/built-ins/Proxy/set/target-property-is-not-configurable-not-writable-not-equal-to-v.js new file mode 100644 index 0000000000..73fd9c7ae4 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/set/target-property-is-not-configurable-not-writable-not-equal-to-v.js @@ -0,0 +1,41 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 9.5.9 +description: > + [[Set]] ( P, V, Receiver) + + Throws a TypeError when target property is not configurable neither writable + and its value is not strictly equal to V. +info: | + 14. If targetDesc is not undefined, then + a. If IsDataDescriptor(targetDesc) and targetDesc.[[Configurable]] is + false and targetDesc.[[Writable]] is false, then + i. If SameValue(V, targetDesc.[[Value]]) is false, throw a TypeError + exception. +features: [Proxy] +---*/ + +var target = {}; +var handler = { + set: function(t, prop, value, receiver) { + return true; + } +}; +var p = new Proxy(target, handler); + +Object.defineProperty(target, 'attr', { + configurable: false, + writable: false, + value: 'foo' +}); + +assert.throws(TypeError, function() { + p.attr = 'bar'; +}); + +assert.throws(TypeError, function() { + p['attr'] = 'bar'; +}); + +reportCompare(0, 0); |