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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 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 // Flags: --allow-natives-syntax |
| 29 |
28 // Test Math.min(). | 30 // Test Math.min(). |
29 | 31 |
30 assertEquals(Number.POSITIVE_INFINITY, Math.min()); | 32 assertEquals(Infinity, Math.min()); |
31 assertEquals(1, Math.min(1)); | 33 assertEquals(1, Math.min(1)); |
32 assertEquals(1, Math.min(1, 2)); | 34 assertEquals(1, Math.min(1, 2)); |
33 assertEquals(1, Math.min(2, 1)); | 35 assertEquals(1, Math.min(2, 1)); |
34 assertEquals(1, Math.min(1, 2, 3)); | 36 assertEquals(1, Math.min(1, 2, 3)); |
35 assertEquals(1, Math.min(3, 2, 1)); | 37 assertEquals(1, Math.min(3, 2, 1)); |
36 assertEquals(1, Math.min(2, 3, 1)); | 38 assertEquals(1, Math.min(2, 3, 1)); |
37 assertEquals(1.1, Math.min(1.1, 2.2, 3.3)); | 39 assertEquals(1.1, Math.min(1.1, 2.2, 3.3)); |
38 assertEquals(1.1, Math.min(3.3, 2.2, 1.1)); | 40 assertEquals(1.1, Math.min(3.3, 2.2, 1.1)); |
39 assertEquals(1.1, Math.min(2.2, 3.3, 1.1)); | 41 assertEquals(1.1, Math.min(2.2, 3.3, 1.1)); |
40 | 42 |
| 43 // Prepare a non-Smi zero value. |
| 44 function returnsNonSmi(){ return 0.25; } |
| 45 var ZERO = returnsNonSmi() - returnsNonSmi(); |
| 46 assertEquals(0, ZERO); |
| 47 assertEquals(Infinity, 1/ZERO); |
| 48 assertEquals(-Infinity, 1/-ZERO); |
| 49 assertFalse(%_IsSmi(ZERO)); |
| 50 assertFalse(%_IsSmi(-ZERO)); |
| 51 |
41 var o = {}; | 52 var o = {}; |
42 o.valueOf = function() { return 1; }; | 53 o.valueOf = function() { return 1; }; |
43 assertEquals(1, Math.min(2, 3, '1')); | 54 assertEquals(1, Math.min(2, 3, '1')); |
44 assertEquals(1, Math.min(3, o, 2)); | 55 assertEquals(1, Math.min(3, o, 2)); |
45 assertEquals(1, Math.min(o, 2)); | 56 assertEquals(1, Math.min(o, 2)); |
46 assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(-0, +
0)); | 57 assertEquals(-Infinity, Infinity / Math.min(-0, +0)); |
47 assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(+0, -
0)); | 58 assertEquals(-Infinity, Infinity / Math.min(+0, -0)); |
48 assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(+0, -
0, 1)); | 59 assertEquals(-Infinity, Infinity / Math.min(+0, -0, 1)); |
| 60 assertEquals(-Infinity, Infinity / Math.min(-0, ZERO)); |
| 61 assertEquals(-Infinity, Infinity / Math.min(ZERO, -0)); |
| 62 assertEquals(-Infinity, Infinity / Math.min(ZERO, -0, 1)); |
49 assertEquals(-1, Math.min(+0, -0, -1)); | 63 assertEquals(-1, Math.min(+0, -0, -1)); |
50 assertEquals(-1, Math.min(-1, +0, -0)); | 64 assertEquals(-1, Math.min(-1, +0, -0)); |
51 assertEquals(-1, Math.min(+0, -1, -0)); | 65 assertEquals(-1, Math.min(+0, -1, -0)); |
52 assertEquals(-1, Math.min(-0, -1, +0)); | 66 assertEquals(-1, Math.min(-0, -1, +0)); |
53 assertNaN(Math.min('oxen')); | 67 assertNaN(Math.min('oxen')); |
54 assertNaN(Math.min('oxen', 1)); | 68 assertNaN(Math.min('oxen', 1)); |
55 assertNaN(Math.min(1, 'oxen')); | 69 assertNaN(Math.min(1, 'oxen')); |
56 | 70 |
57 | 71 |
58 // Test Math.max(). | 72 // Test Math.max(). |
59 | 73 |
60 assertEquals(Number.NEGATIVE_INFINITY, Math.max()); | 74 assertEquals(Number.NEGATIVE_INFINITY, Math.max()); |
61 assertEquals(1, Math.max(1)); | 75 assertEquals(1, Math.max(1)); |
62 assertEquals(2, Math.max(1, 2)); | 76 assertEquals(2, Math.max(1, 2)); |
63 assertEquals(2, Math.max(2, 1)); | 77 assertEquals(2, Math.max(2, 1)); |
64 assertEquals(3, Math.max(1, 2, 3)); | 78 assertEquals(3, Math.max(1, 2, 3)); |
65 assertEquals(3, Math.max(3, 2, 1)); | 79 assertEquals(3, Math.max(3, 2, 1)); |
66 assertEquals(3, Math.max(2, 3, 1)); | 80 assertEquals(3, Math.max(2, 3, 1)); |
67 assertEquals(3.3, Math.max(1.1, 2.2, 3.3)); | 81 assertEquals(3.3, Math.max(1.1, 2.2, 3.3)); |
68 assertEquals(3.3, Math.max(3.3, 2.2, 1.1)); | 82 assertEquals(3.3, Math.max(3.3, 2.2, 1.1)); |
69 assertEquals(3.3, Math.max(2.2, 3.3, 1.1)); | 83 assertEquals(3.3, Math.max(2.2, 3.3, 1.1)); |
70 | 84 |
71 var o = {}; | 85 var o = {}; |
72 o.valueOf = function() { return 3; }; | 86 o.valueOf = function() { return 3; }; |
73 assertEquals(3, Math.max(2, '3', 1)); | 87 assertEquals(3, Math.max(2, '3', 1)); |
74 assertEquals(3, Math.max(1, o, 2)); | 88 assertEquals(3, Math.max(1, o, 2)); |
75 assertEquals(3, Math.max(o, 1)); | 89 assertEquals(3, Math.max(o, 1)); |
76 assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(-0, +
0)); | 90 assertEquals(Infinity, Infinity / Math.max(-0, +0)); |
77 assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(+0, -
0)); | 91 assertEquals(Infinity, Infinity / Math.max(+0, -0)); |
78 assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(+0, -
0, -1)); | 92 assertEquals(Infinity, Infinity / Math.max(+0, -0, -1)); |
| 93 assertEquals(Infinity, Infinity / Math.max(-0, ZERO)); |
| 94 assertEquals(Infinity, Infinity / Math.max(ZERO, -0)); |
| 95 assertEquals(Infinity, Infinity / Math.max(ZERO, -0, -1)); |
79 assertEquals(1, Math.max(+0, -0, +1)); | 96 assertEquals(1, Math.max(+0, -0, +1)); |
80 assertEquals(1, Math.max(+1, +0, -0)); | 97 assertEquals(1, Math.max(+1, +0, -0)); |
81 assertEquals(1, Math.max(+0, +1, -0)); | 98 assertEquals(1, Math.max(+0, +1, -0)); |
82 assertEquals(1, Math.max(-0, +1, +0)); | 99 assertEquals(1, Math.max(-0, +1, +0)); |
83 assertNaN(Math.max('oxen')); | 100 assertNaN(Math.max('oxen')); |
84 assertNaN(Math.max('oxen', 1)); | 101 assertNaN(Math.max('oxen', 1)); |
85 assertNaN(Math.max(1, 'oxen')); | 102 assertNaN(Math.max(1, 'oxen')); |
| 103 |
| 104 assertEquals(Infinity, 1/Math.max(ZERO, -0)); |
| 105 assertEquals(Infinity, 1/Math.max(-0, ZERO)); |
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