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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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47 } | 47 } |
48 | 48 |
49 | 49 |
50 var desc = {foo: {value: 10}, bar: {get: function() {return 42; }}}; | 50 var desc = {foo: {value: 10}, bar: {get: function() {return 42; }}}; |
51 var obj = {}; | 51 var obj = {}; |
52 // Check that we actually get the object back as returnvalue | 52 // Check that we actually get the object back as returnvalue |
53 var x = Object.defineProperties(obj, desc); | 53 var x = Object.defineProperties(obj, desc); |
54 | 54 |
55 assertEquals(x.foo, 10); | 55 assertEquals(x.foo, 10); |
56 assertEquals(x.bar, 42); | 56 assertEquals(x.bar, 42); |
| 57 |
| 58 |
| 59 // Make sure that all property descriptors are calculated before any |
| 60 // modifications are done. |
| 61 |
| 62 var object = {}; |
| 63 |
| 64 assertThrows(function() { |
| 65 Object.defineProperties(object, { |
| 66 foo: { value: 1 }, |
| 67 bar: { value: 2, get: function() { return 3; } } |
| 68 }); |
| 69 }, TypeError); |
| 70 |
| 71 assertEquals(undefined, object.foo); |
| 72 assertEquals(undefined, object.bar); |
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