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); 122
