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23
24description(
25"This test checks that n % 0 doesn't crash with a floating-point exception."
26);
27
28shouldBe("2 % 0", "NaN");
29
30var n = 2;
31shouldBe("n % 0", "NaN");
32
33function f()
34{
35    return 2 % 0;
36}
37
38shouldBe("f()", "NaN");
39
40function g()
41{
42    var n = 2;
43    return n % 0;
44}
45
46shouldBe("g()", "NaN");
47
48// Test that reusing a floating point value after use in a modulus works correctly.
49function nonSpeculativeModReuseInner(argument, o1, o2)
50{
51         // The + operator on objects is a reliable way to avoid the speculative JIT path for now at least.
52    o1 + o2;
53
54    var knownDouble = argument - 0;
55    return knownDouble % 1 + knownDouble;
56}
57function nonSpeculativeModReuse(argument)
58{
59    return nonSpeculativeModReuseInner(argument, {}, {});
60}
61
62shouldBe("nonSpeculativeModReuse(0.5)", "1");
63