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29 lines
925 B
29 lines
925 B
// Copyright 2017 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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// Flags: --allow-natives-syntax
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(function TestReflectGetPrototypeOfOnPrimitive() {
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function f() { return Reflect.getPrototypeOf(""); }
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assertThrows(f, TypeError);
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assertThrows(f, TypeError);
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%OptimizeFunctionOnNextCall(f);
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assertThrows(f, TypeError);
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})();
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(function TestObjectGetPrototypeOfOnPrimitive() {
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function f() { return Object.getPrototypeOf(""); }
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assertSame(String.prototype, f());
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assertSame(String.prototype, f());
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%OptimizeFunctionOnNextCall(f);
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assertSame(String.prototype, f());
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})();
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(function TestDunderProtoOnPrimitive() {
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function f() { return "".__proto__; }
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assertSame(String.prototype, f());
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assertSame(String.prototype, f());
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%OptimizeFunctionOnNextCall(f);
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assertSame(String.prototype, f());
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})();
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