regress-667061.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb 
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
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
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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// Test non-ICC case.
29var caught = false;
30try {
31  (('foo'))();
32} catch (o) {
33  assertTrue(o instanceof TypeError);
34  caught = true;
35}
36assertTrue(caught);
37
38
39// Test uninitialized case.
40function h(o) {
41  return o.x();
42}
43
44var caught = false;
45try {
46  h({ x: 1 });
47} catch (o) {
48  assertTrue(o instanceof TypeError);
49  caught = true;
50}
51assertTrue(caught);
52
53
54// Test monomorphic case.
55function g(o) {
56  return o.x();
57}
58
59function O(x) { this.x = x; };
60var o = new O(function() { return 1; });
61assertEquals(1, g(o));  // go monomorphic
62assertEquals(1, g(o));  // stay monomorphic
63
64var caught = false;
65try {
66  g(new O(3));
67} catch (o) {
68  assertTrue(o instanceof TypeError);
69  caught = true;
70}
71assertTrue(caught);
72
73
74// Test megamorphic case.
75function f(o) {
76  return o.x();
77}
78
79assertEquals(1, f({ x: function () { return 1; }}));  // go monomorphic
80assertEquals(2, f({ x: function () { return 2; }}));  // go megamorphic
81assertEquals(3, f({ x: function () { return 3; }}));  // stay megamorphic
82
83var caught = false;
84try {
85  f({ x: 4 });
86} catch (o) {
87  assertTrue(o instanceof TypeError);
88  caught = true;
89}
90assertTrue(caught);
91