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| 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 // Flags: --fast-compiler |
| 29 |
| 30 // Test references to properties of this. |
| 31 function Test() { |
| 32 this.a = 0; |
| 33 this.b = 1; |
| 34 this.c = 2; |
| 35 this.d = 3; |
| 36 } |
| 37 |
| 38 Test.prototype.test0 = function () { |
| 39 this.a = this.b; |
| 40 }; |
| 41 |
| 42 Test.prototype.test1 = function() { |
| 43 this.a = this.b = this.c; |
| 44 }; |
| 45 |
| 46 Test.prototype.test2 = function() { |
| 47 this.c = this.d; |
| 48 this.b = this.c; |
| 49 this.a = this.b; |
| 50 }; |
| 51 |
| 52 var t = new Test(); |
| 53 |
| 54 t.test0(); |
| 55 assertEquals(1, t.a); |
| 56 |
| 57 t.test1(); |
| 58 assertEquals(2, t.a); |
| 59 assertEquals(2, t.b); |
| 60 |
| 61 t.test2(); |
| 62 assertEquals(3, t.a); |
| 63 assertEquals(3, t.b); |
| 64 assertEquals(3, t.c); |
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