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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Test Harmony Number.isFinite() and Number.isNaN() functions. | 28 // Test number predicates that Harmony adds to the Number constructor: |
| 29 // isFinite(), isNaN(), isInteger(), isSafeInteger(). |
29 | 30 |
30 assertTrue(Number.isFinite(0)); | 31 assertTrue(Number.isFinite(0)); |
31 assertTrue(Number.isFinite(Number.MIN_VALUE)); | 32 assertTrue(Number.isFinite(Number.MIN_VALUE)); |
32 assertTrue(Number.isFinite(Number.MAX_VALUE)); | 33 assertTrue(Number.isFinite(Number.MAX_VALUE)); |
| 34 assertTrue(Number.isFinite(Number.MIN_SAFE_INTEGER)); |
| 35 assertTrue(Number.isFinite(Number.MIN_SAFE_INTEGER - 13)); |
| 36 assertTrue(Number.isFinite(Number.MAX_SAFE_INTEGER)); |
| 37 assertTrue(Number.isFinite(Number.MAX_SAFE_INTEGER + 23)); |
33 assertFalse(Number.isFinite(Number.NaN)); | 38 assertFalse(Number.isFinite(Number.NaN)); |
34 assertFalse(Number.isFinite(Number.POSITIVE_INFINITY)); | 39 assertFalse(Number.isFinite(Number.POSITIVE_INFINITY)); |
35 assertFalse(Number.isFinite(Number.NEGATIVE_INFINITY)); | 40 assertFalse(Number.isFinite(Number.NEGATIVE_INFINITY)); |
36 assertFalse(Number.isFinite(new Number(0))); | 41 assertFalse(Number.isFinite(new Number(0))); |
37 assertFalse(Number.isFinite(1/0)); | 42 assertFalse(Number.isFinite(1/0)); |
38 assertFalse(Number.isFinite(-1/0)); | 43 assertFalse(Number.isFinite(-1/0)); |
39 assertFalse(Number.isFinite({})); | 44 assertFalse(Number.isFinite({})); |
40 assertFalse(Number.isFinite([])); | 45 assertFalse(Number.isFinite([])); |
41 assertFalse(Number.isFinite("s")); | 46 assertFalse(Number.isFinite("s")); |
42 assertFalse(Number.isFinite(null)); | 47 assertFalse(Number.isFinite(null)); |
43 assertFalse(Number.isFinite(undefined)); | 48 assertFalse(Number.isFinite(undefined)); |
44 | 49 |
45 assertFalse(Number.isNaN(0)); | 50 assertFalse(Number.isNaN(0)); |
46 assertFalse(Number.isNaN(Number.MIN_VALUE)); | 51 assertFalse(Number.isNaN(Number.MIN_VALUE)); |
47 assertFalse(Number.isNaN(Number.MAX_VALUE)); | 52 assertFalse(Number.isNaN(Number.MAX_VALUE)); |
| 53 assertFalse(Number.isNaN(Number.MIN_SAFE_INTEGER - 13)); |
| 54 assertFalse(Number.isNaN(Number.MAX_SAFE_INTEGER + 23)); |
48 assertTrue(Number.isNaN(Number.NaN)); | 55 assertTrue(Number.isNaN(Number.NaN)); |
49 assertFalse(Number.isNaN(Number.POSITIVE_INFINITY)); | 56 assertFalse(Number.isNaN(Number.POSITIVE_INFINITY)); |
50 assertFalse(Number.isNaN(Number.NEGATIVE_INFINITY)); | 57 assertFalse(Number.isNaN(Number.NEGATIVE_INFINITY)); |
| 58 assertFalse(Number.isNaN(Number.EPSILON)); |
51 assertFalse(Number.isNaN(new Number(0))); | 59 assertFalse(Number.isNaN(new Number(0))); |
52 assertFalse(Number.isNaN(1/0)); | 60 assertFalse(Number.isNaN(1/0)); |
53 assertFalse(Number.isNaN(-1/0)); | 61 assertFalse(Number.isNaN(-1/0)); |
54 assertFalse(Number.isNaN({})); | 62 assertFalse(Number.isNaN({})); |
55 assertFalse(Number.isNaN([])); | 63 assertFalse(Number.isNaN([])); |
56 assertFalse(Number.isNaN("s")); | 64 assertFalse(Number.isNaN("s")); |
57 assertFalse(Number.isNaN(null)); | 65 assertFalse(Number.isNaN(null)); |
58 assertFalse(Number.isNaN(undefined)); | 66 assertFalse(Number.isNaN(undefined)); |
| 67 |
| 68 assertFalse(Number.isInteger({})); |
| 69 assertFalse(Number.isInteger([])); |
| 70 assertFalse(Number.isInteger("s")); |
| 71 assertFalse(Number.isInteger(null)); |
| 72 assertFalse(Number.isInteger(undefined)); |
| 73 assertFalse(Number.isInteger(new Number(2))); |
| 74 assertTrue(Number.isInteger(0)); |
| 75 assertFalse(Number.isInteger(Number.MIN_VALUE)); |
| 76 assertTrue(Number.isInteger(Number.MAX_VALUE)); |
| 77 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER)); |
| 78 assertTrue(Number.isInteger(Number.MIN_SAFE_INTEGER - 13)); |
| 79 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER)); |
| 80 assertTrue(Number.isInteger(Number.MAX_SAFE_INTEGER + 23)); |
| 81 assertFalse(Number.isInteger(Number.NaN)); |
| 82 assertFalse(Number.isInteger(Number.POSITIVE_INFINITY)); |
| 83 assertFalse(Number.isInteger(Number.NEGATIVE_INFINITY)); |
| 84 assertFalse(Number.isInteger(1/0)); |
| 85 assertFalse(Number.isInteger(-1/0)); |
| 86 assertFalse(Number.isInteger(Number.EPSILON)); |
| 87 |
| 88 assertFalse(Number.isSafeInteger({})); |
| 89 assertFalse(Number.isSafeInteger([])); |
| 90 assertFalse(Number.isSafeInteger("s")); |
| 91 assertFalse(Number.isSafeInteger(null)); |
| 92 assertFalse(Number.isSafeInteger(undefined)); |
| 93 assertFalse(Number.isSafeInteger(new Number(2))); |
| 94 assertTrue(Number.isSafeInteger(0)); |
| 95 assertTrue(Number.isSafeInteger(Number.MIN_SAFE_INTEGER)); |
| 96 assertFalse(Number.isSafeInteger(Number.MIN_SAFE_INTEGER - 13)); |
| 97 assertTrue(Number.isSafeInteger(Number.MIN_SAFE_INTEGER + 13)); |
| 98 assertTrue(Number.isSafeInteger(Number.MAX_SAFE_INTEGER)); |
| 99 assertFalse(Number.isSafeInteger(Number.MAX_SAFE_INTEGER + 23)); |
| 100 assertTrue(Number.isSafeInteger(Number.MAX_SAFE_INTEGER - 23)); |
| 101 assertFalse(Number.isSafeInteger(Number.MIN_VALUE)); |
| 102 assertFalse(Number.isSafeInteger(Number.MAX_VALUE)); |
| 103 assertFalse(Number.isSafeInteger(Number.NaN)); |
| 104 assertFalse(Number.isSafeInteger(Number.POSITIVE_INFINITY)); |
| 105 assertFalse(Number.isSafeInteger(Number.NEGATIVE_INFINITY)); |
| 106 assertFalse(Number.isSafeInteger(1/0)); |
| 107 assertFalse(Number.isSafeInteger(-1/0)); |
| 108 assertFalse(Number.isSafeInteger(Number.EPSILON)); |
| 109 |
| 110 var near_upper = Math.pow(2, 52); |
| 111 assertTrue(Number.isSafeInteger(near_upper)); |
| 112 assertFalse(Number.isSafeInteger(2 * near_upper)); |
| 113 assertTrue(Number.isSafeInteger(2 * near_upper - 1)); |
| 114 assertTrue(Number.isSafeInteger(2 * near_upper - 2)); |
| 115 assertFalse(Number.isSafeInteger(2 * near_upper + 1)); |
| 116 assertFalse(Number.isSafeInteger(2 * near_upper + 2)); |
| 117 assertFalse(Number.isSafeInteger(2 * near_upper + 7)); |
| 118 |
| 119 var near_lower = -near_upper; |
| 120 assertTrue(Number.isSafeInteger(near_lower)); |
| 121 assertFalse(Number.isSafeInteger(2 * near_lower)); |
| 122 assertTrue(Number.isSafeInteger(2 * near_lower + 1)); |
| 123 assertTrue(Number.isSafeInteger(2 * near_lower + 2)); |
| 124 assertFalse(Number.isSafeInteger(2 * near_lower - 1)); |
| 125 assertFalse(Number.isSafeInteger(2 * near_lower - 2)); |
| 126 assertFalse(Number.isSafeInteger(2 * near_lower - 7)); |
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