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| 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --allow-natives-syntax |
| 6 |
| 7 function test1(s) { |
| 8 return s.toString; |
| 9 } |
| 10 assertSame(test1(false), Boolean.prototype.toString); |
| 11 assertSame(test1(true), Boolean.prototype.toString); |
| 12 %OptimizeFunctionOnNextCall(test1); |
| 13 assertSame(test1(false), Boolean.prototype.toString); |
| 14 assertSame(test1(true), Boolean.prototype.toString); |
| 15 |
| 16 function test2(s) { |
| 17 return s.valueOf; |
| 18 } |
| 19 assertSame(test2(false), Boolean.prototype.valueOf); |
| 20 assertSame(test2(true), Boolean.prototype.valueOf); |
| 21 %OptimizeFunctionOnNextCall(test2); |
| 22 assertSame(test2(false), Boolean.prototype.valueOf); |
| 23 assertSame(test2(true), Boolean.prototype.valueOf); |
| 24 |
| 25 Boolean.prototype.foo = 42; |
| 26 function test3(s) { |
| 27 return s["foo"]; |
| 28 } |
| 29 assertEquals(test3(false), 42); |
| 30 assertEquals(test3(true), 42); |
| 31 %OptimizeFunctionOnNextCall(test3); |
| 32 assertEquals(test3(false), 42); |
| 33 assertEquals(test3(true), 42); |
| 34 |
| 35 Boolean.prototype.bar = function bar() { "use strict"; return this; } |
| 36 function test4(s) { |
| 37 return s.bar(); |
| 38 } |
| 39 assertEquals(test4(false), false); |
| 40 assertEquals(test4(true), true); |
| 41 %OptimizeFunctionOnNextCall(test4); |
| 42 assertEquals(test4(false), false); |
| 43 assertEquals(test4(true), true); |
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