1// Copyright 2013 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: --allow-natives-syntax
29
30var g1 = { a:1 }
31
32function load() {
33  return g1.a;
34}
35
36assertEquals(1, load());
37assertEquals(1, load());
38%OptimizeFunctionOnNextCall(load);
39assertEquals(1, load());
40delete g1.a;
41assertEquals(undefined, load());
42
43var g2 = { a:2 }
44
45function load2() {
46  return g2.a;
47}
48
49assertEquals(2, load2());
50assertEquals(2, load2());
51%OptimizeFunctionOnNextCall(load2);
52assertEquals(2, load2());
53g2.b = 10;
54g2.a = 5;
55assertEquals(5, load2());
56
57var g3 = { a:2, b:9, c:1 }
58
59function store(v) {
60  g3.a = v;
61  return g3.a;
62}
63
64assertEquals(5, store(5));
65assertEquals(8, store(8));
66%OptimizeFunctionOnNextCall(store);
67assertEquals(10, store(10));
68delete g3.c;
69store(7);
70assertEquals({a:7, b:9}, g3);
71