| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2010 the V8 project authors. All rights reserved. | |
| 2 // Redistribution and use in source and binary forms, with or without | |
| 3 // modification, are permitted provided that the following conditions are | |
| 4 // met: | |
| 5 // | |
| 6 // * Redistributions of source code must retain the above copyright | |
| 7 // notice, this list of conditions and the following disclaimer. | |
| 8 // * Redistributions in binary form must reproduce the above | |
| 9 // copyright notice, this list of conditions and the following | |
| 10 // disclaimer in the documentation and/or other materials provided | |
| 11 // with the distribution. | |
| 12 // * Neither the name of Google Inc. nor the names of its | |
| 13 // contributors may be used to endorse or promote products derived | |
| 14 // from this software without specific prior written permission. | |
| 15 // | |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 | |
| 28 | |
| 29 function TryGetPrototypeOfNonObject(x) { | |
| 30 var caught = 0; | |
| 31 try { | |
| 32 Object.getPrototypeOf(x); | |
| 33 } catch (e) { | |
| 34 caught = e; | |
| 35 } | |
| 36 | |
| 37 assertTrue(caught instanceof TypeError); | |
| 38 }; | |
| 39 | |
| 40 function GetPrototypeOfObject(x) { | |
| 41 assertDoesNotThrow(Object.getPrototypeOf(x)); | |
| 42 assertNotNull(Object.getPrototypeOf(x)); | |
| 43 assertEquals(Object.getPrototypeOf(x), x.__proto__); | |
| 44 } | |
| 45 | |
| 46 function F(){}; | |
| 47 | |
| 48 // Non object | |
| 49 var x = 10; | |
| 50 | |
| 51 // Object | |
| 52 var y = new F(); | |
| 53 | |
| 54 // Make sure that TypeError exceptions are thrown when non-objects are passed | |
| 55 // as argument | |
| 56 TryGetPrototypeOfNonObject(0); | |
| 57 TryGetPrototypeOfNonObject(null); | |
| 58 TryGetPrototypeOfNonObject('Testing'); | |
| 59 TryGetPrototypeOfNonObject(x); | |
| 60 | |
| 61 // Make sure the real objects have this method and that it returns the | |
| 62 // actual prototype object. Also test for Functions and RegExp. | |
| 63 GetPrototypeOfObject(this); | |
| 64 GetPrototypeOfObject(y); | |
| 65 GetPrototypeOfObject({x:5}); | |
| 66 GetPrototypeOfObject(F); | |
| 67 GetPrototypeOfObject(RegExp); | |
| 68 | |
| OLD | NEW |
|---|
Chromium Code Reviews
