1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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5// modification, are permitted provided that the following conditions
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23
24description(
25"This tests that the DFG can multiply numbers correctly."
26);
27
28function doMultiplyConstant2(a) {
29    return a * 2;
30}
31
32function doMultiplyConstant3(a) {
33    return a * 3;
34}
35
36function doMultiplyConstant4(a) {
37    return a * 4;
38}
39
40// Get it to compile.
41for (var i = 0; i < 100; ++i) {
42    shouldBe("doMultiplyConstant2(1)", "2");
43    shouldBe("doMultiplyConstant2(2)", "4");
44    shouldBe("doMultiplyConstant2(4)", "8");
45    shouldBe("doMultiplyConstant3(1)", "3");
46    shouldBe("doMultiplyConstant3(2)", "6");
47    shouldBe("doMultiplyConstant3(4)", "12");
48    shouldBe("doMultiplyConstant4(1)", "4");
49    shouldBe("doMultiplyConstant4(2)", "8");
50    shouldBe("doMultiplyConstant4(4)", "16");
51}
52
53// Now do evil.
54for (var i = 0; i < 10; ++i) {
55    shouldBe("doMultiplyConstant2(1073741824)", "2147483648");
56    shouldBe("doMultiplyConstant2(2147483648)", "4294967296");
57    shouldBe("doMultiplyConstant3(1073741824)", "3221225472");
58    shouldBe("doMultiplyConstant3(2147483648)", "6442450944");
59    shouldBe("doMultiplyConstant4(1073741824)", "4294967296");
60    shouldBe("doMultiplyConstant4(2147483648)", "8589934592");
61    shouldBe("doMultiplyConstant2(-1073741824)", "-2147483648");
62    shouldBe("doMultiplyConstant2(-2147483648)", "-4294967296");
63    shouldBe("doMultiplyConstant3(-1073741824)", "-3221225472");
64    shouldBe("doMultiplyConstant3(-2147483648)", "-6442450944");
65    shouldBe("doMultiplyConstant4(-1073741824)", "-4294967296");
66    shouldBe("doMultiplyConstant4(-2147483648)", "-8589934592");
67}
68