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| 1 // Copyright 2012 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: --allow-natives-syntax |
| 29 |
| 30 // Test optimized versions of array and object literals. |
| 31 |
| 32 function TestOptimizedLiteral(create, verify) { |
| 33 verify(create(1, 2, 3), 1, 2, 3); |
| 34 verify(create(3, 5, 7), 3, 5, 7); |
| 35 %OptimizeFunctionOnNextCall(create); |
| 36 verify(create(11, 23, 42), 11, 23, 42); |
| 37 } |
| 38 |
| 39 |
| 40 // Test shallow array literal. |
| 41 function create_arr_shallow(a, b, c) { |
| 42 return [0, a, 0, b, 0, c]; |
| 43 } |
| 44 function verify_arr_shallow(array, a, b, c) { |
| 45 assertSame(6, array.length); |
| 46 assertSame(0, array[0]); |
| 47 assertSame(a, array[1]); |
| 48 assertSame(0, array[2]); |
| 49 assertSame(b, array[3]); |
| 50 assertSame(0, array[4]); |
| 51 assertSame(c, array[5]); |
| 52 } |
| 53 TestOptimizedLiteral(create_arr_shallow, verify_arr_shallow); |
| 54 |
| 55 |
| 56 // Test nested array literal. |
| 57 function create_arr_nested(a, b, c) { |
| 58 return [[0, a], [b, c], [1, 2], 3]; |
| 59 } |
| 60 function verify_arr_nested(array, a, b, c) { |
| 61 assertSame(4, array.length); |
| 62 assertSame(2, array[0].length); |
| 63 assertSame(0, array[0][0]); |
| 64 assertSame(a, array[0][1]); |
| 65 assertSame(2, array[1].length); |
| 66 assertSame(b, array[1][0]); |
| 67 assertSame(c, array[1][1]); |
| 68 assertSame(2, array[2].length); |
| 69 assertSame(1, array[2][0]); |
| 70 assertSame(2, array[2][1]); |
| 71 assertSame(3, array[3]); |
| 72 } |
| 73 TestOptimizedLiteral(create_arr_nested, verify_arr_nested); |
| 74 |
| 75 |
| 76 // Test shallow object literal. |
| 77 function create_obj_shallow(a, b, c) { |
| 78 return { x:a, y:b, z:c, v:'foo', 9:'bar' }; |
| 79 } |
| 80 function verify_obj_shallow(object, a, b, c) { |
| 81 assertSame(a, object.x); |
| 82 assertSame(b, object.y); |
| 83 assertSame(c, object.z); |
| 84 assertSame('foo', object.v); |
| 85 assertSame('bar', object[9]); |
| 86 } |
| 87 TestOptimizedLiteral(create_obj_shallow, verify_obj_shallow); |
| 88 |
| 89 |
| 90 // Test nested object literal. |
| 91 function create_obj_nested(a, b, c) { |
| 92 return { x:{ v:a, w:b }, y:{ v:1, w:2 }, z:c, v:'foo', 9:'bar' }; |
| 93 } |
| 94 function verify_obj_nested(object, a, b, c) { |
| 95 assertSame(a, object.x.v); |
| 96 assertSame(b, object.x.w); |
| 97 assertSame(1, object.y.v); |
| 98 assertSame(2, object.y.w); |
| 99 assertSame(c, object.z); |
| 100 assertSame('foo', object.v); |
| 101 assertSame('bar', object[9]); |
| 102 } |
| 103 TestOptimizedLiteral(create_obj_nested, verify_obj_nested); |
| 104 |
| 105 |
| 106 // Test mixed array and object literal. |
| 107 function create_mixed_nested(a, b, c) { |
| 108 return { x:[1, 2], y:[a, b], z:c, v:{ v:'foo' }, 9:'bar' }; |
| 109 } |
| 110 function verify_mixed_nested(object, a, b, c) { |
| 111 assertSame(2, object.x.length); |
| 112 assertSame(1, object.x[0]); |
| 113 assertSame(2, object.x[1]); |
| 114 assertSame(2, object.y.length); |
| 115 assertSame(a, object.y[0]); |
| 116 assertSame(b, object.y[1]); |
| 117 assertSame(c, object.z); |
| 118 assertSame('foo', object.v.v); |
| 119 assertSame('bar', object[9]); |
| 120 } |
| 121 TestOptimizedLiteral(create_mixed_nested, verify_mixed_nested); |
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