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23
24description(
25"Tests that a dead use of Math.min(a,b) at least speculates that its arguments are indeed numbers."
26);
27
28function foo(a, b) {
29    Math.min(a.f, b.f);
30    return 100;
31}
32
33function bar(a, b) {
34    Math.min(a.f, b.f);
35    return 100;
36}
37
38var x = {f:42};
39var y = {f:43};
40var ok = null;
41var expected = 42;
42var empty = "";
43
44for (var i = 0; i < 200; ++i) {
45    if (i == 150) {
46        x = {f:{valueOf:function(){ ok = i; return 37; }}};
47        expected = 37;
48    }
49    var result = eval(empty + "foo(x, y)");
50    if (i >= 150)
51        shouldBe("ok", "" + i);
52    shouldBe("result", "100");
53}
54
55x = {f:42};
56y = {f:43};
57ok = null;
58expected = 42;
59
60for (var i = 0; i < 200; ++i) {
61    if (i == 150) {
62        y = {f:{valueOf:function(){ ok = i; return 37; }}};
63        expected = 37;
64    }
65    var result = eval(empty + "bar(x, y)");
66    if (i >= 150)
67        shouldBe("ok", "" + i);
68    shouldBe("result", "100");
69}
70