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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 // Tests the special cases specified by ES 15.8.2.13 |
| 29 |
| 30 // Simple sanity check |
| 31 assertEquals(4, Math.pow(2, 2)); |
| 32 assertEquals(2147483648, Math.pow(2, 31)); |
| 33 assertEquals(0.25, Math.pow(2, -2)); |
| 34 assertEquals(0.0625, Math.pow(2, -4)); |
| 35 assertEquals(1, Math.pow(1, 100)); |
| 36 assertEquals(0, Math.pow(0, 1000)); |
| 37 |
| 38 // Spec tests |
| 39 assertEquals(NaN, Math.pow(2, NaN)); |
| 40 assertEquals(NaN, Math.pow(+0, NaN)); |
| 41 assertEquals(NaN, Math.pow(-0, NaN)); |
| 42 assertEquals(NaN, Math.pow(Infinity, NaN)); |
| 43 assertEquals(NaN, Math.pow(-Infinity, NaN)); |
| 44 |
| 45 assertEquals(1, Math.pow(NaN, +0)); |
| 46 assertEquals(1, Math.pow(NaN, -0)); |
| 47 |
| 48 assertEquals(NaN, Math.pow(NaN, NaN)); |
| 49 assertEquals(NaN, Math.pow(NaN, 2.2)); |
| 50 assertEquals(NaN, Math.pow(NaN, 1)); |
| 51 assertEquals(NaN, Math.pow(NaN, -1)); |
| 52 assertEquals(NaN, Math.pow(NaN, -2.2)); |
| 53 assertEquals(NaN, Math.pow(NaN, Infinity)); |
| 54 assertEquals(NaN, Math.pow(NaN, -Infinity)); |
| 55 |
| 56 assertEquals(Infinity, Math.pow(1.1, Infinity)); |
| 57 assertEquals(Infinity, Math.pow(-1.1, Infinity)); |
| 58 assertEquals(Infinity, Math.pow(2, Infinity)); |
| 59 assertEquals(Infinity, Math.pow(-2, Infinity)); |
| 60 |
| 61 assertEquals(+0, Math.pow(1.1, -Infinity)); |
| 62 assertEquals(+0, Math.pow(-1.1, -Infinity)); |
| 63 assertEquals(+0, Math.pow(2, -Infinity)); |
| 64 assertEquals(+0, Math.pow(-2, -Infinity)); |
| 65 |
| 66 assertEquals(NaN, Math.pow(1, Infinity)); |
| 67 assertEquals(NaN, Math.pow(1, -Infinity)); |
| 68 assertEquals(NaN, Math.pow(-1, Infinity)); |
| 69 assertEquals(NaN, Math.pow(-1, -Infinity)); |
| 70 |
| 71 assertEquals(+0, Math.pow(0.1, Infinity)); |
| 72 assertEquals(+0, Math.pow(-0.1, Infinity)); |
| 73 assertEquals(+0, Math.pow(0.999, Infinity)); |
| 74 assertEquals(+0, Math.pow(-0.999, Infinity)); |
| 75 |
| 76 assertEquals(Infinity, Math.pow(0.1, -Infinity)); |
| 77 assertEquals(Infinity, Math.pow(-0.1, -Infinity)); |
| 78 assertEquals(Infinity, Math.pow(0.999, -Infinity)); |
| 79 assertEquals(Infinity, Math.pow(-0.999, -Infinity)); |
| 80 |
| 81 assertEquals(Infinity, Math.pow(Infinity, 0.1)); |
| 82 assertEquals(Infinity, Math.pow(Infinity, 2)); |
| 83 |
| 84 assertEquals(+0, Math.pow(Infinity, -0.1)); |
| 85 assertEquals(+0, Math.pow(Infinity, -2)); |
| 86 |
| 87 assertEquals(-Infinity, Math.pow(-Infinity, 3)); |
| 88 assertEquals(-Infinity, Math.pow(-Infinity, 13)); |
| 89 |
| 90 assertEquals(Infinity, Math.pow(-Infinity, 3.1)); |
| 91 assertEquals(Infinity, Math.pow(-Infinity, 2)); |
| 92 |
| 93 assertEquals(-0, Math.pow(-Infinity, -3)); |
| 94 assertEquals(-0, Math.pow(-Infinity, -13)); |
| 95 |
| 96 assertEquals(+0, Math.pow(-Infinity, -3.1)); |
| 97 assertEquals(+0, Math.pow(-Infinity, -2)); |
| 98 |
| 99 assertEquals(+0, Math.pow(+0, 1.1)); |
| 100 assertEquals(+0, Math.pow(+0, 2)); |
| 101 |
| 102 assertEquals(Infinity, Math.pow(+0, -1.1)); |
| 103 assertEquals(Infinity, Math.pow(+0, -2)); |
| 104 |
| 105 assertEquals(-0, Math.pow(-0, 3)); |
| 106 assertEquals(-0, Math.pow(-0, 13)); |
| 107 |
| 108 assertEquals(+0, Math.pow(-0, 3.1)); |
| 109 assertEquals(+0, Math.pow(-0, 2)); |
| 110 |
| 111 assertEquals(-Infinity, Math.pow(-0, -3)); |
| 112 assertEquals(-Infinity, Math.pow(-0, -13)); |
| 113 |
| 114 assertEquals(Infinity, Math.pow(-0, -3.1)); |
| 115 assertEquals(Infinity, Math.pow(-0, -2)); |
| 116 |
| 117 assertEquals(NaN, Math.pow(-0.00001, 1.1)); |
| 118 assertEquals(NaN, Math.pow(-0.00001, -1.1)); |
| 119 assertEquals(NaN, Math.pow(-1.1, 1.1)); |
| 120 assertEquals(NaN, Math.pow(-1.1, -1.1)); |
| 121 assertEquals(NaN, Math.pow(-2, 1.1)); |
| 122 assertEquals(NaN, Math.pow(-2, -1.1)); |
| 123 assertEquals(NaN, Math.pow(-1000, 1.1)); |
| 124 assertEquals(NaN, Math.pow(-1000, -1.1)); |
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