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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 // constructors (recognized by having properties on their .prototype object), | 31 // constructors (recognized by having properties on their .prototype object), |
32 // have only unconfigurable properties on the prototype, and the methods | 32 // have only unconfigurable properties on the prototype, and the methods |
33 // are also non-writable. | 33 // are also non-writable. |
34 | 34 |
35 var names = Object.getOwnPropertyNames(builtins); | 35 var names = Object.getOwnPropertyNames(builtins); |
36 | 36 |
37 function isFunction(obj) { | 37 function isFunction(obj) { |
38 return typeof obj == "function"; | 38 return typeof obj == "function"; |
39 } | 39 } |
40 | 40 |
| 41 function isV8Native(name) { |
| 42 return name == "GeneratorFunctionPrototype" || |
| 43 name == "SetIterator" || |
| 44 name == "MapIterator"; |
| 45 } |
| 46 |
41 function checkConstructor(func, name) { | 47 function checkConstructor(func, name) { |
42 // A constructor is a function with a prototype and properties on the | 48 // A constructor is a function with a prototype and properties on the |
43 // prototype object besides "constructor"; | 49 // prototype object besides "constructor"; |
44 if (name.charAt(0) == "$") return; | 50 if (name.charAt(0) == "$") return; |
45 if (typeof func.prototype != "object") return; | 51 if (typeof func.prototype != "object") return; |
46 var propNames = Object.getOwnPropertyNames(func.prototype); | 52 var propNames = Object.getOwnPropertyNames(func.prototype); |
47 if (propNames.length == 0 || | 53 if (propNames.length == 0 || |
48 (propNames.length == 1 && propNames[0] == "constructor")) { | 54 (propNames.length == 1 && propNames[0] == "constructor")) { |
49 // Not a constructor. | 55 // Not a constructor. |
50 return; | 56 return; |
51 } | 57 } |
52 var proto_desc = Object.getOwnPropertyDescriptor(func, "prototype"); | 58 var proto_desc = Object.getOwnPropertyDescriptor(func, "prototype"); |
53 assertTrue(proto_desc.hasOwnProperty("value"), name); | 59 assertTrue(proto_desc.hasOwnProperty("value"), name); |
54 assertFalse(proto_desc.writable, name); | 60 assertFalse(proto_desc.writable, name); |
55 assertFalse(proto_desc.configurable, name); | 61 assertFalse(proto_desc.configurable, name); |
56 var prototype = proto_desc.value; | 62 var prototype = proto_desc.value; |
57 assertEquals(name == "GeneratorFunctionPrototype" ? Object.prototype : null, | 63 assertEquals(isV8Native(name) ? Object.prototype : null, |
58 Object.getPrototypeOf(prototype), | 64 Object.getPrototypeOf(prototype), |
59 name); | 65 name); |
60 for (var i = 0; i < propNames.length; i++) { | 66 for (var i = 0; i < propNames.length; i++) { |
61 var propName = propNames[i]; | 67 var propName = propNames[i]; |
62 if (propName == "constructor") continue; | 68 if (propName == "constructor") continue; |
| 69 if (isV8Native(name)) continue; |
63 var testName = name + "-" + propName; | 70 var testName = name + "-" + propName; |
64 var propDesc = Object.getOwnPropertyDescriptor(prototype, propName); | 71 var propDesc = Object.getOwnPropertyDescriptor(prototype, propName); |
65 assertTrue(propDesc.hasOwnProperty("value"), testName); | 72 assertTrue(propDesc.hasOwnProperty("value"), testName); |
66 assertFalse(propDesc.configurable, testName); | 73 assertFalse(propDesc.configurable, testName); |
67 if (isFunction(propDesc.value)) { | 74 if (isFunction(propDesc.value)) { |
68 assertFalse(propDesc.writable, testName); | 75 assertFalse(propDesc.writable, testName); |
69 } | 76 } |
70 } | 77 } |
71 } | 78 } |
72 | 79 |
73 for (var i = 0; i < names.length; i++) { | 80 for (var i = 0; i < names.length; i++) { |
74 var name = names[i]; | 81 var name = names[i]; |
75 var desc = Object.getOwnPropertyDescriptor(builtins, name); | 82 var desc = Object.getOwnPropertyDescriptor(builtins, name); |
76 assertTrue(desc.hasOwnProperty("value")); | 83 assertTrue(desc.hasOwnProperty("value")); |
77 var value = desc.value; | 84 var value = desc.value; |
78 if (isFunction(value)) { | 85 if (isFunction(value)) { |
79 checkConstructor(value, name); | 86 checkConstructor(value, name); |
80 } | 87 } |
81 } | 88 } |
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