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27
28// See: http://code.google.com/p/v8/issues/detail?id=1278
29
30// Test that that handling of 0/-0 is correct for binary operations when the
31// TypeRecordingBinaryOpStub transitions through different states.
32
33function add(x, y) {
34  return x + y;
35}
36
37function sub(x, y) {
38  return x - y;
39}
40
41function mul(x, y) {
42  return x * y;
43}
44
45function div(x, y) {
46  return x / y;
47}
48
49for (var i = 0; i < 10; i++) {
50  assertEquals(0, add(0, 0));
51  assertEquals(0, add(0, -0));
52  assertEquals(0, add(-0, 0));
53  assertEquals(-0, add(-0, -0));
54
55  assertEquals(0, sub(0, 0));
56  assertEquals(0, sub(0, -0));
57  assertEquals(-0, sub(-0, 0));
58  assertEquals(0, sub(-0, -0));
59
60  assertEquals(0, mul(0, 0));
61  assertEquals(-0, mul(0, -0));
62  assertEquals(-0, mul(-0, 0));
63  assertEquals(0, mul(-0, -0));
64
65  assertEquals(0, div(0, 1));
66  assertEquals(-0, div(0, -1));
67  assertEquals(-0, div(-0, 1));
68  assertEquals(0, div(-0, -1));
69}
70