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23
24description(
25"This test checks for accuracy in numeric conversions, particularly with large or infinite values."
26);
27
28shouldBe("Number(1152921504606847105).toString()", "'1152921504606847200'");
29shouldBe("parseInt('1152921504606847105').toString()", "'1152921504606847200'");
30shouldBe("(- (- '1152921504606847105')).toString()", "'1152921504606847200'");
31
32shouldBe("Number(0x1000000000000081).toString(16)", "'1000000000000100'");
33shouldBe("parseInt('0x1000000000000081', 16).toString(16)", "'1000000000000100'");
34shouldBe("(- (- '0x1000000000000081')).toString(16)", "'1000000000000100'");
35
36shouldBe("Number(0100000000000000000201).toString(8)", "'100000000000000000400'");
37shouldBe("parseInt('100000000000000000201', 8).toString(8)", "'100000000000000000400'");
38
39shouldBe("(- 'infinity').toString()", "'NaN'");
40
41shouldBe("parseInt('1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000').toString()", "'Infinity'");
42shouldBe("parseInt('0x100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 16).toString()", "'Infinity'");
43shouldBe("parseInt('100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 8).toString()", "'Infinity'");
44
45shouldBe("parseInt('9007199254740992e2000').toString()", "'9007199254740992'");
46shouldBe("parseInt('9007199254740992.0e2000').toString()", "'9007199254740992'");
47
48shouldBe("parseInt(NaN)", "NaN");
49shouldBe("parseInt(-Infinity)", "NaN");
50shouldBe("parseInt(Infinity)", "NaN");
51
52shouldBe("parseInt(-0.6).toString()", "'0'");
53