1 // Copyright 2008 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
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.
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.
30 assertTrue(null === null);
31 assertTrue(null === n);
32 assertTrue(n === null);
34 assertFalse(null === void 0);
35 assertFalse(void 0 === null);
36 assertFalse(u === null);
37 assertFalse(null === u);
40 assertTrue(void 0 === void 0);
42 assertTrue(u === void 0);
43 assertTrue(void 0 === u);
45 assertTrue('foo' === 'foo');
46 assertFalse('bar' === 'foo');
47 assertFalse('foo' === new String('foo'));
48 assertFalse(new String('foo') === new String('foo'));
49 var s = new String('foo');
51 assertFalse(s === null);
52 assertFalse(s === void 0);
53 assertFalse('foo' === null);
54 assertFalse('foo' === 7);
55 assertFalse('foo' === true);
56 assertFalse('foo' === void 0);
57 assertFalse('foo' === {});
59 assertFalse({} === {});
62 assertFalse(x === null);
64 assertFalse(x === true);
65 assertFalse(x === void 0);
66 assertFalse(x === {});
68 assertTrue(true === true);
69 assertTrue(false === false);
70 assertFalse(false === true);
71 assertFalse(true === false);
72 assertFalse(true === new Boolean(true));
73 assertFalse(true === new Boolean(false));
74 assertFalse(false === new Boolean(true));
75 assertFalse(false === new Boolean(false));
76 assertFalse(true === 0);
77 assertFalse(true === 1);
80 assertTrue(-0 === -0);
83 assertFalse(0 === new Number(0));
84 assertFalse(1 === new Number(1));
85 assertTrue(4.2 === 4.2);
86 assertTrue(4.2 === Number(4.2));