math-min-max.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb
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27
28// Test Math.min().
29
30assertEquals(Number.POSITIVE_INFINITY, Math.min());
31assertEquals(1, Math.min(1));
32assertEquals(1, Math.min(1, 2));
33assertEquals(1, Math.min(2, 1));
34assertEquals(1, Math.min(1, 2, 3));
35assertEquals(1, Math.min(3, 2, 1));
36assertEquals(1, Math.min(2, 3, 1));
37
38var o = {};
39o.valueOf = function() { return 1; };
40assertEquals(1, Math.min(2, 3, '1'));
41assertEquals(1, Math.min(3, o, 2));
42assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(-0, +0));
43assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(+0, -0));
44assertEquals(Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY / Math.min(+0, -0, 1));
45assertEquals(-1, Math.min(+0, -0, -1));
46assertEquals(-1, Math.min(-1, +0, -0));
47assertEquals(-1, Math.min(+0, -1, -0));
48assertEquals(-1, Math.min(-0, -1, +0));
49
50
51
52// Test Math.max().
53
54assertEquals(Number.NEGATIVE_INFINITY, Math.max());
55assertEquals(1, Math.max(1));
56assertEquals(2, Math.max(1, 2));
57assertEquals(2, Math.max(2, 1));
58assertEquals(3, Math.max(1, 2, 3));
59assertEquals(3, Math.max(3, 2, 1));
60assertEquals(3, Math.max(2, 3, 1));
61
62var o = {};
63o.valueOf = function() { return 3; };
64assertEquals(3, Math.max(2, '3', 1));
65assertEquals(3, Math.max(1, o, 2));
66assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(-0, +0));
67assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(+0, -0));
68assertEquals(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY / Math.max(+0, -0, -1));
69assertEquals(1, Math.max(+0, -0, +1));
70assertEquals(1, Math.max(+1, +0, -0));
71assertEquals(1, Math.max(+0, +1, -0));
72assertEquals(1, Math.max(-0, +1, +0));