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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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98 | 98 |
99 // This tests the object that would be called "GeneratorFunction", if it were | 99 // This tests the object that would be called "GeneratorFunction", if it were |
100 // like "Function". | 100 // like "Function". |
101 function TestGeneratorFunction() { | 101 function TestGeneratorFunction() { |
102 assertSame(GeneratorFunctionPrototype, GeneratorFunction.prototype); | 102 assertSame(GeneratorFunctionPrototype, GeneratorFunction.prototype); |
103 assertTrue(g instanceof GeneratorFunction); | 103 assertTrue(g instanceof GeneratorFunction); |
104 | 104 |
105 assertSame(Function, Object.getPrototypeOf(GeneratorFunction)); | 105 assertSame(Function, Object.getPrototypeOf(GeneratorFunction)); |
106 assertTrue(g instanceof Function); | 106 assertTrue(g instanceof Function); |
107 | 107 |
| 108 assertEquals("function* g() { yield 1; }", g.toString()); |
| 109 |
108 // Not all functions are generators. | 110 // Not all functions are generators. |
109 assertTrue(f instanceof Function); // Sanity check. | 111 assertTrue(f instanceof Function); // Sanity check. |
110 assertTrue(!(f instanceof GeneratorFunction)); | 112 assertTrue(!(f instanceof GeneratorFunction)); |
111 } | 113 } |
112 TestGeneratorFunction(); | 114 TestGeneratorFunction(); |
113 | 115 |
114 | 116 |
115 function TestPerGeneratorPrototype() { | 117 function TestPerGeneratorPrototype() { |
116 assertTrue((function*(){}).prototype !== (function*(){}).prototype); | 118 assertTrue((function*(){}).prototype !== (function*(){}).prototype); |
117 assertTrue((function*(){}).prototype !== g.prototype); | 119 assertTrue((function*(){}).prototype !== g.prototype); |
118 assertTrue(g.prototype instanceof GeneratorFunctionPrototype); | 120 assertTrue(g.prototype instanceof GeneratorFunctionPrototype); |
119 assertSame(GeneratorObjectPrototype, Object.getPrototypeOf(g.prototype)); | 121 assertSame(GeneratorObjectPrototype, Object.getPrototypeOf(g.prototype)); |
120 assertTrue(!(g.prototype instanceof Function)); | 122 assertTrue(!(g.prototype instanceof Function)); |
121 assertSame(typeof (g.prototype), "object"); | 123 assertSame(typeof (g.prototype), "object"); |
122 | 124 |
123 assertArrayEquals([], Object.getOwnPropertyNames(g.prototype)); | 125 assertArrayEquals([], Object.getOwnPropertyNames(g.prototype)); |
124 } | 126 } |
125 TestPerGeneratorPrototype(); | 127 TestPerGeneratorPrototype(); |
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