1// Copyright 2011 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
28assertEquals(Boolean(void 0), false);
29assertEquals(Boolean(null), false);
30assertEquals(Boolean(false), false);
31assertEquals(Boolean(true), true);
32assertEquals(Boolean(0), false);
33assertEquals(Boolean(1), true);
34assertEquals(Boolean(assertEquals), true);
35assertEquals(Boolean(new Object()), true);
36assertTrue(new Boolean(false) !== false);
37assertTrue(new Boolean(false) == false);
38assertTrue(new Boolean(true) !== true);
39assertTrue(new Boolean(true) == true);
40
41assertEquals(true, !false);
42assertEquals(false, !true);
43assertEquals(true, !!true);
44assertEquals(false, !!false);
45
46assertEquals(true, true ? true : false);
47assertEquals(false, false ? true : false);
48
49assertEquals(false, true ? false : true);
50assertEquals(true, false ? false : true);
51
52
53assertEquals(true, true && true);
54assertEquals(false, true && false);
55assertEquals(false, false && true);
56assertEquals(false, false && false);
57
58// Regression.
59var t = 42;
60assertEquals(void 0, t.p);
61assertEquals(void 0, t.p && true);
62assertEquals(void 0, t.p && false);
63assertEquals(void 0, t.p && (t.p == 0));
64assertEquals(void 0, t.p && (t.p == null));
65assertEquals(void 0, t.p && (t.p == t.p));
66
67var o = new Object();
68o.p = 'foo';
69assertEquals('foo', o.p);
70assertEquals('foo', o.p || true);
71assertEquals('foo', o.p || false);
72assertEquals('foo', o.p || (o.p == 0));
73assertEquals('foo', o.p || (o.p == null));
74assertEquals('foo', o.p || (o.p == o.p));
75