1// Copyright 2009 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
28// Flags: --expose-gc
29
30// Test that the clearing of object literal when normalizing objects
31// works.  In particular, test that the garbage collector handles the
32// normalized object literals correctly.
33function testLiteral(size) {
34
35  // Build object-literal string.
36  var literal = "var o = { ";
37
38  for (var i = 0; i < size; i++) {
39    if (i > 0) literal += ",";
40    literal += ("a" + i + ":" + i);
41  }
42  literal += "}";
43
44  // Create the object literal.
45  eval(literal);
46
47  // Force normalization of the properties.
48  delete o["a" + (size - 1)];
49
50  // Perform GC.
51  gc();
52
53  // Check that the properties have the expected values.
54  for (var i = 0; i < size - 1; i++) {
55    assertEquals(i, o["a"+i]);
56  }
57}
58
59// The sizes to test.
60var sizes = [0, 1, 2, 100, 200, 400, 1000];
61
62// Run the test.
63for (var i = 0; i < sizes.length; i++) {
64  testLiteral(sizes[i]);
65}
66