1// Copyright 2010 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
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11//       with the distribution.
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13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
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17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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,
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --allow-natives-syntax
29
30// Test function.caller.
31function A() {}
32
33function fun(x) {
34  if (x == 0) return fun.caller;
35  if (x == 1) return gee.caller;
36  return 42;
37}
38function gee(x) { return this.f(x); }
39
40A.prototype.f = fun;
41A.prototype.g = gee;
42
43var o = new A();
44
45for (var i=0; i<5; i++) {
46  o.g(i);
47}
48%OptimizeFunctionOnNextCall(o.g);
49assertEquals(gee, o.g(0));
50assertEquals(null, o.g(1));
51
52// Test when called from another function.
53function hej(x) {
54  if (x == 0) return o.g(x);
55  if (x == 1) return o.g(x);
56  return o.g(x);
57}
58
59for (var j=0; j<5; j++) {
60  hej(j);
61}
62%OptimizeFunctionOnNextCall(hej);
63assertEquals(gee, hej(0));
64assertEquals(hej, hej(1));
65
66// Test when called from eval.
67function from_eval(x) {
68  if (x == 0) return eval("o.g(x);");
69  if (x == 1) return eval("o.g(x);");
70  return o.g(x);
71}
72
73for (var j=0; j<5; j++) {
74  from_eval(j);
75}
76%OptimizeFunctionOnNextCall(from_eval);
77assertEquals(gee, from_eval(0));
78assertEquals(from_eval, from_eval(1));
79