OLD | NEW |
(Empty) | |
| 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 |
| 29 var flags; |
| 30 |
| 31 function resetFlags(size) { |
| 32 flags = Array(size); |
| 33 while (size--) flags[size] = 0; |
| 34 } |
| 35 |
| 36 function assertFlags(array) { |
| 37 assertArrayEquals(array, flags); |
| 38 } |
| 39 |
| 40 function object_factory(flag_index, value, expected_flags) { |
| 41 var obj = {}; |
| 42 obj.valueOf = function() { |
| 43 assertFlags(expected_flags); |
| 44 flags[flag_index]++; |
| 45 return value; |
| 46 } |
| 47 return obj; |
| 48 } |
| 49 |
| 50 |
| 51 assertEquals(-Infinity, Math.max()); |
| 52 |
| 53 resetFlags(1); |
| 54 assertEquals(NaN, |
| 55 Math.max(object_factory(0, NaN, [0]))); |
| 56 assertFlags([1]); |
| 57 |
| 58 resetFlags(2); |
| 59 assertEquals(NaN, |
| 60 Math.max(object_factory(0, NaN, [0, 0]), |
| 61 object_factory(1, 0, [1, 0]))); |
| 62 assertFlags([1, 1]); |
| 63 |
| 64 resetFlags(3); |
| 65 assertEquals(NaN, |
| 66 Math.max(object_factory(0, NaN, [0, 0, 0]), |
| 67 object_factory(1, 0, [1, 0, 0]), |
| 68 object_factory(2, 1, [1, 1, 0]))); |
| 69 assertFlags([1, 1, 1]); |
| 70 |
| 71 resetFlags(3); |
| 72 assertEquals(NaN, |
| 73 Math.max(object_factory(0, 2, [0, 0, 0]), |
| 74 object_factory(1, 0, [1, 0, 0]), |
| 75 object_factory(2, NaN, [1, 1, 0]))); |
| 76 assertFlags([1, 1, 1]); |
| 77 |
| 78 resetFlags(3); |
| 79 assertEquals(2, |
| 80 Math.max(object_factory(0, 2, [0, 0, 0]), |
| 81 object_factory(1, 0, [1, 0, 0]), |
| 82 object_factory(2, 1, [1, 1, 0]))); |
| 83 assertFlags([1, 1, 1]); |
| 84 |
| 85 |
| 86 assertEquals(+Infinity, Math.min()); |
| 87 |
| 88 resetFlags(1); |
| 89 assertEquals(NaN, |
| 90 Math.min(object_factory(0, NaN, [0]))); |
| 91 assertFlags([1]); |
| 92 |
| 93 resetFlags(2); |
| 94 assertEquals(NaN, |
| 95 Math.min(object_factory(0, NaN, [0, 0]), |
| 96 object_factory(1, 0, [1, 0]))); |
| 97 assertFlags([1, 1]); |
| 98 |
| 99 resetFlags(3); |
| 100 assertEquals(NaN, |
| 101 Math.min(object_factory(0, NaN, [0, 0, 0]), |
| 102 object_factory(1, 0, [1, 0, 0]), |
| 103 object_factory(2, 1, [1, 1, 0]))); |
| 104 assertFlags([1, 1, 1]); |
| 105 |
| 106 resetFlags(3); |
| 107 assertEquals(NaN, |
| 108 Math.min(object_factory(0, 2, [0, 0, 0]), |
| 109 object_factory(1, 0, [1, 0, 0]), |
| 110 object_factory(2, NaN, [1, 1, 0]))); |
| 111 assertFlags([1, 1, 1]); |
| 112 |
| 113 resetFlags(3); |
| 114 assertEquals(0, |
| 115 Math.min(object_factory(0, 2, [0, 0, 0]), |
| 116 object_factory(1, 0, [1, 0, 0]), |
| 117 object_factory(2, 1, [1, 1, 0]))); |
| 118 assertFlags([1, 1, 1]); |
| 119 |
| 120 |
OLD | NEW |