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 function for_in_null() {
41 function for_in_undefined() {
43 for (var x in undefined) {
52 for (var i = 0; i < 10; ++i) {
53 assertTrue(for_in_null());
57 for (var j = 0; j < 10; ++j) {
58 assertTrue(for_in_undefined());
66 function Accumulate(x) {
74 for (var i = 0; i < 3; ++i) {
75 var elements = Accumulate("abcd");
76 // We do not assume that for-in enumerates elements in order.
77 assertTrue(-1 != elements.indexOf("0"));
78 assertTrue(-1 != elements.indexOf("1"));
79 assertTrue(-1 != elements.indexOf("2"));
80 assertTrue(-1 != elements.indexOf("3"));
81 assertEquals(4, elements.length);
84 function for_in_string_prototype() {
86 var x = new String("abc");
97 var elements = Accumulate(y);
98 var elements1 = Accumulate(y);
99 // If for-in returns elements in a different order on multiple calls, this
100 // assert will fail. If that happens, consider if that behavior is OK.
101 assertEquals(elements, elements1, "For-in elements not the same both times.");
102 // We do not assume that for-in enumerates elements in order.
103 assertTrue(-1 != elements.indexOf("0"));
104 assertTrue(-1 != elements.indexOf("1"));
105 assertTrue(-1 != elements.indexOf("2"));
106 assertTrue(-1 != elements.indexOf("7"));
107 assertTrue(-1 != elements.indexOf("foo"));
108 assertTrue(-1 != elements.indexOf("bar"));
109 assertTrue(-1 != elements.indexOf("gub"));
110 assertEquals(13, elements.length);
112 elements = Accumulate(x);
113 assertTrue(-1 != elements.indexOf("0"));
114 assertTrue(-1 != elements.indexOf("1"));
115 assertTrue(-1 != elements.indexOf("2"));
116 assertTrue(-1 != elements.indexOf("foo"));
117 assertEquals(6, elements.length);
120 for_in_string_prototype();
121 for_in_string_prototype();