Szilagyi Adam
a4312d614f
The ECMA_OBJECT_IS_PROXY(proto_p) check is necessary throughout the prototype chain not just at the beginning Fixes #4045 JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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var a = new Proxy(eval, {});
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var b = {
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y : 2
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};
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b.__proto__ = a;
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var f = [];
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var c = [];
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var d = new Date();
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d.__proto__ = b;
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a.__proto__ = f;
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c.__proto__ = d;
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var a1 = new String();
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a1.__proto__ = c;
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assert(a.__proto__ === f);
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assert(b.__proto__.__proto__ === f);
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assert(d.__proto__.__proto__ === a);
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assert(c.__proto__.__proto__.__proto__ === a);
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assert(a1.__proto__.__proto__.__proto__.__proto__ === a);
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var e = []
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a1.__proto__ = e;
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assert(a1.__proto__ === e);
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