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.
28 assertTrue({} instanceof Object);
29 assertTrue([] instanceof Object);
31 assertFalse({} instanceof Array);
32 assertTrue([] instanceof Array);
34 function TestChains() {
43 assertTrue(C instanceof F);
44 assertTrue(B instanceof F);
45 assertFalse(A instanceof F);
48 assertTrue(C instanceof F);
49 assertFalse(B instanceof F);
50 assertFalse(A instanceof F);
53 assertFalse(C instanceof F);
54 assertFalse(B instanceof F);
55 assertFalse(A instanceof F);
61 function TestExceptions() {
63 var items = [ 1, new Number(42),
65 'string', new String('hest'),
73 for (var i = 0; i < items.length; i++) {
74 for (var j = 0; j < items.length; j++) {
76 if (items[i] instanceof items[j]) instanceofs++;
78 assertTrue(e instanceof TypeError);
83 assertEquals(10, instanceofs);
84 assertEquals(88, exceptions);
86 // Make sure to throw an exception if the function prototype
87 // isn't a proper JavaScript object.
89 G.prototype = undefined;
90 assertThrows("({} instanceof G)");