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11 lines
317 B
JavaScript
11 lines
317 B
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function Foo() {}
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var x = new Foo();
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function foo() { return x instanceof Foo; }
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assertTrue(foo());
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Foo.prototype = 1;
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assertThrows(foo, TypeError);
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