Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 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 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 28 | // Flags: --allow-natives-syntax |
| 29 | |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 30 | // Check that constants and computed properties are overwriting each other |
| 31 | // correctly, i.e., the last initializer for any name is stored in the object. |
| 32 | |
| 33 | |
| 34 | // Tests for the full code generator (if active). |
| 35 | |
| 36 | var foo1 = { |
| 37 | bar: 6, |
| 38 | bar: 7 |
| 39 | }; |
| 40 | |
| 41 | var foo2 = { |
| 42 | bar: function(a){}, |
| 43 | bar: 7 |
| 44 | }; |
| 45 | |
| 46 | var foo3 = { |
| 47 | bar: function(a){}, |
| 48 | bar: function(b){}, |
| 49 | bar: 7 |
| 50 | }; |
| 51 | |
| 52 | var foo4 = { |
| 53 | bar: function(b){}, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 54 | bar: 4, |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 55 | bar: function(){return 7}, |
| 56 | }; |
| 57 | |
| 58 | var foo5 = { |
| 59 | 13: function(a){}, |
| 60 | 13: 7 |
| 61 | } |
| 62 | |
| 63 | var foo6 = { |
| 64 | 14.31: function(a){}, |
| 65 | 14.31: 7 |
| 66 | } |
| 67 | |
| 68 | var foo7 = { |
| 69 | 15: 6, |
| 70 | 15: 7 |
| 71 | } |
| 72 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 73 | function foo8(i) { |
| 74 | var obj = { |
| 75 | x: {a: i}, |
| 76 | x: 7 |
| 77 | }; |
| 78 | return obj.x; |
| 79 | }; |
| 80 | |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 81 | assertEquals(7, foo1.bar); |
| 82 | assertEquals(7, foo2.bar); |
| 83 | assertEquals(7, foo3.bar); |
| 84 | assertEquals(7, foo4.bar()); |
| 85 | assertEquals(7, foo5[13]); |
| 86 | assertEquals(7, foo6[14.31]); |
| 87 | assertEquals(7, foo7[15]); |
| 88 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 89 | assertEquals(7, foo8(1)); |
| 90 | assertEquals(7, foo8(1)); |
| 91 | %OptimizeFunctionOnNextCall(foo8); |
| 92 | assertEquals(7, foo8(1)); |
| 93 | |
| 94 | |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 95 | // Test for the classic code generator. |
| 96 | |
| 97 | function fun(x) { |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 98 | var inner = { j: function(x) { return x; }, j: 7 }; |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 99 | return inner.j; |
| 100 | } |
| 101 | |
| 102 | assertEquals(7, fun(7) ); |
| 103 | |
| 104 | // Check that the initializers of computed properties are executed, even if |
| 105 | // no store instructions are generated for the literals. |
| 106 | |
| 107 | var glob1 = 0; |
| 108 | |
| 109 | var bar1 = { x: glob1++, x: glob1++, x: glob1++, x: 7}; |
| 110 | |
| 111 | assertEquals(3, glob1); |
| 112 | |
| 113 | |
| 114 | var glob2 = 0; |
| 115 | |
| 116 | function fun2() { |
| 117 | var r = { y: glob2++, y: glob2++, y: glob2++, y: 7}; |
| 118 | return r.y; |
| 119 | } |
| 120 | |
| 121 | var y = fun2(); |
| 122 | assertEquals(7, y); |
| 123 | assertEquals(3, glob2); |
| 124 | |
| 125 | var glob3 = 0; |
| 126 | |
| 127 | function fun3() { |
| 128 | var r = { 113: glob3++, 113: glob3++, 113: glob3++, 113: 7}; |
| 129 | return r[113]; |
| 130 | } |
| 131 | |
| 132 | var y = fun3(); |
| 133 | assertEquals(7, y); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 134 | assertEquals(3, glob3); |