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.
29 assertEquals(0, a.length = 0);
31 assertEquals('undefined', typeof a[0]);
32 assertEquals('undefined', typeof a[1]);
33 assertEquals('undefined', typeof a[2]);
34 assertEquals('undefined', typeof a[3]);
38 assertEquals(2, a.length = 2);
40 assertEquals(0, a[0]);
41 assertEquals(1, a[1]);
42 assertEquals('undefined', typeof a[2]);
43 assertEquals('undefined', typeof a[3]);
52 assertEquals(2000001, a.length);
53 assertEquals(0, a.length = 0);
54 assertEquals(0, a.length);
55 assertEquals('undefined', typeof a[0]);
56 assertEquals('undefined', typeof a[1000]);
57 assertEquals('undefined', typeof a[1000000]);
58 assertEquals('undefined', typeof a[2000000]);
67 assertEquals(2000001, a.length);
68 assertEquals(2000, a.length = 2000);
69 assertEquals(2000, a.length);
70 assertEquals(0, a[0]);
71 assertEquals(1000, a[1000]);
72 assertEquals('undefined', typeof a[1000000]);
73 assertEquals('undefined', typeof a[2000000]);
77 a[Math.pow(2,31)-1] = 0;
78 a[Math.pow(2,30)-1] = 0;
79 assertEquals(Math.pow(2,31), a.length);
85 a[Math.pow(2,30)-1] = Math.pow(2,30)-1;
86 a[Math.pow(2,31)-1] = Math.pow(2,31)-1;
87 a[Math.pow(2,32)-2] = Math.pow(2,32)-2;
89 assertEquals(Math.pow(2,30)-1, a[Math.pow(2,30)-1]);
90 assertEquals(Math.pow(2,31)-1, a[Math.pow(2,31)-1]);
91 assertEquals(Math.pow(2,32)-2, a[Math.pow(2,32)-2]);
93 assertEquals(Math.pow(2,32)-1, a.length);
94 assertEquals(Math.pow(2,30) + 1, a.length = Math.pow(2,30)+1); // not a smi!
95 assertEquals(Math.pow(2,30)+1, a.length);
97 assertEquals(0, a[0]);
98 assertEquals(1000, a[1000]);
99 assertEquals(Math.pow(2,30)-1, a[Math.pow(2,30)-1]);
100 assertEquals('undefined', typeof a[Math.pow(2,31)-1]);
101 assertEquals('undefined', typeof a[Math.pow(2,32)-2], "top");
105 assertEquals(Object(12), a.length = new Number(12));
106 assertEquals(12, a.length);
109 var o = { length: -23 };
110 Array.prototype.pop.apply(o);
111 assertEquals(4294967272, o.length);
113 // Check case of compiled stubs.
115 for (var i = 0; i < 7; i++) {
116 assertEquals(3, a.length = 3);