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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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31 // builtin functions that use or return "this". | 31 // builtin functions that use or return "this". |
32 | 32 |
33 var global = this; | 33 var global = this; |
34 var global2 = (function(){return this;})(); | 34 var global2 = (function(){return this;})(); |
35 assertEquals(global, global2, "direct call to local function returns global"); | 35 assertEquals(global, global2, "direct call to local function returns global"); |
36 | 36 |
37 var builtin = Object.prototype.valueOf; // Builtin function that returns this. | 37 var builtin = Object.prototype.valueOf; // Builtin function that returns this. |
38 | 38 |
39 assertEquals(global, builtin(), "Direct call to builtin"); | 39 assertEquals(global, builtin(), "Direct call to builtin"); |
40 | 40 |
41 assertEquals(global, builtin.call(), "call() to builtin"); | |
42 assertEquals(global, builtin.call(null), "call(null) to builtin"); | |
43 assertEquals(global, builtin.call(undefined), "call(undefined) to builtin"); | |
44 | |
45 assertEquals(global, builtin.apply(), "apply() to builtin"); | |
46 assertEquals(global, builtin.apply(null), "apply(null) to builtin"); | |
47 assertEquals(global, builtin.apply(undefined), "apply(undefined) to builtin"); | |
48 | |
49 assertEquals(global, builtin.call.call(builtin), "call.call() to builtin"); | |
50 assertEquals(global, builtin.call.apply(builtin), "call.apply() to builtin"); | |
51 assertEquals(global, builtin.apply.call(builtin), "apply.call() to builtin"); | |
52 assertEquals(global, builtin.apply.apply(builtin), "apply.apply() to builtin"); | |
53 | |
54 | 41 |
55 // Builtin that depends on value of this to compute result. | 42 // Builtin that depends on value of this to compute result. |
56 var builtin2 = Object.prototype.toString; | 43 var builtin2 = Object.prototype.toString; |
57 | 44 |
58 // Global object has class "Object" according to Object.prototype.toString. | 45 // Global object has class "Object" according to Object.prototype.toString. |
59 // Builtins object displays as "[object builtins]". | 46 // Builtins object displays as "[object builtins]". |
60 assertTrue("[object builtins]" != builtin2(), "Direct call to toString"); | 47 assertTrue("[object builtins]" != builtin2(), "Direct call to toString"); |
61 assertTrue("[object builtins]" != builtin2.call(), "call() to toString"); | 48 assertTrue("[object builtins]" != builtin2.call(), "call() to toString"); |
62 assertTrue("[object builtins]" != builtin2.apply(), "call() to toString"); | 49 assertTrue("[object builtins]" != builtin2.apply(), "call() to toString"); |
63 assertTrue("[object builtins]" != builtin2.call.call(builtin2), | 50 assertTrue("[object builtins]" != builtin2.call.call(builtin2), |
64 "call.call() to toString"); | 51 "call.call() to toString"); |
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