1// Copyright 2012 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --allow-natives-syntax
29
30function RunOneTruncationTest(a, b) {
31  var temp = a | 0;
32  assertEquals(b, temp);
33}
34
35function RunAllTruncationTests() {
36  RunOneTruncationTest(0, 0);
37  RunOneTruncationTest(0.5, 0);
38  RunOneTruncationTest(-0.5, 0);
39  RunOneTruncationTest(1.5, 1);
40  RunOneTruncationTest(-1.5, -1);
41  RunOneTruncationTest(5.5, 5);
42  RunOneTruncationTest(-5.0, -5);
43  RunOneTruncationTest(NaN, 0);
44  RunOneTruncationTest(Infinity, 0);
45  RunOneTruncationTest(-NaN, 0);
46  RunOneTruncationTest(-Infinity, 0);
47
48  RunOneTruncationTest(4.5036e+15, 0x1635E000);
49  RunOneTruncationTest(-4.5036e+15, -372629504);
50
51  RunOneTruncationTest(4503603922337791.0, -1);
52  RunOneTruncationTest(-4503603922337791.0, 1);
53  RunOneTruncationTest(4503601774854143.0, 2147483647);
54  RunOneTruncationTest(-4503601774854143.0, -2147483647);
55  RunOneTruncationTest(9007207844675582.0, -2);
56  RunOneTruncationTest(-9007207844675582.0, 2);
57
58  RunOneTruncationTest(2.4178527921507624e+24, -536870912);
59  RunOneTruncationTest(-2.4178527921507624e+24, 536870912);
60  RunOneTruncationTest(2.417853945072267e+24, -536870912);
61  RunOneTruncationTest(-2.417853945072267e+24, 536870912);
62
63  RunOneTruncationTest(4.8357055843015248e+24, -1073741824);
64  RunOneTruncationTest(-4.8357055843015248e+24, 1073741824);
65  RunOneTruncationTest(4.8357078901445341e+24, -1073741824);
66  RunOneTruncationTest(-4.8357078901445341e+24, 1073741824);
67
68  RunOneTruncationTest(9.6714111686030497e+24, -2147483648);
69  RunOneTruncationTest(-9.6714111686030497e+24, -2147483648);
70  RunOneTruncationTest(9.6714157802890681e+24, -2147483648);
71  RunOneTruncationTest(-9.6714157802890681e+24, -2147483648);
72}
73
74RunAllTruncationTests();
75RunAllTruncationTests();
76%OptimizeFunctionOnNextCall(RunOneTruncationTest);
77RunAllTruncationTests();
78RunAllTruncationTests();
79