30 lines
925 B
JavaScript
30 lines
925 B
JavaScript
|
// Copyright 2017 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --allow-natives-syntax
|
||
|
|
|
||
|
|
(function TestReflectGetPrototypeOfOnPrimitive() {
|
||
|
|
function f() { return Reflect.getPrototypeOf(""); }
|
||
|
|
assertThrows(f, TypeError);
|
||
|
|
assertThrows(f, TypeError);
|
||
|
|
%OptimizeFunctionOnNextCall(f);
|
||
|
|
assertThrows(f, TypeError);
|
||
|
|
})();
|
||
|
|
|
||
|
|
(function TestObjectGetPrototypeOfOnPrimitive() {
|
||
|
|
function f() { return Object.getPrototypeOf(""); }
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
%OptimizeFunctionOnNextCall(f);
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
})();
|
||
|
|
|
||
|
|
(function TestDunderProtoOnPrimitive() {
|
||
|
|
function f() { return "".__proto__; }
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
%OptimizeFunctionOnNextCall(f);
|
||
|
|
assertSame(String.prototype, f());
|
||
|
|
})();
|