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// 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);