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
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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//
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,
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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
28var realms = [Realm.current(), Realm.create()];
29globals = [Realm.global(0), Realm.global(1)];
30Realm.shared = {}
31
32function install(name, value) {
33  Realm.shared[name] = value;
34  for (i in realms) {
35    Realm.eval(realms[i], name + " = Realm.shared['" + name + "'];");
36  }
37}
38
39install('return_this', function() { return this; });
40install('return_this_strict', function () { 'use strict'; return this; });
41
42// test behaviour of 'with' scope
43for (i in realms) {
44  Realm.shared.results = [];
45  // in the second case, 'this' is found in the with scope,
46  // so the receiver is 'this'
47  Realm.eval(realms[i],"                                                       \
48      with('irrelevant') {                                                     \
49        Realm.shared.results.push(return_this());                              \
50        Realm.shared.results.push(return_this_strict());                       \
51      }                                                                        \
52      with(this) {                                                             \
53        Realm.shared.results.push(return_this());                              \
54        Realm.shared.results.push(return_this_strict());                       \
55      }                                                                        \
56    ");
57  assertSame(globals[0], Realm.shared.results[0]);
58  assertSame(undefined, Realm.shared.results[1]);
59  assertSame(globals[i], Realm.shared.results[2]);
60  assertSame(globals[i], Realm.shared.results[3]);
61}
62
63// test 'apply' and 'call'
64for (i in realms) {
65  // 'apply' without a receiver is a contextual call
66  assertSame(globals[0], Realm.eval(realms[i],'return_this.apply()')) ;
67  assertSame(undefined, Realm.eval(realms[i],'return_this_strict.apply()'));
68  assertSame(globals[0], Realm.eval(realms[i],'return_this.apply(null)')) ;
69  assertSame(null, Realm.eval(realms[i],'return_this_strict.apply(null)'));
70  // 'call' without a receiver is a contextual call
71  assertSame(globals[0], Realm.eval(realms[i],'return_this.call()')) ;
72  assertSame(undefined, Realm.eval(realms[i],'return_this_strict.call()'));
73  assertSame(globals[0], Realm.eval(realms[i],'return_this.call(null)')) ;
74  assertSame(null, Realm.eval(realms[i],'return_this_strict.call(null)'));
75}
76
77// test ics
78for (var i = 0; i < 4; i++) {
79  assertSame(globals[0], return_this());
80  assertSame(undefined, return_this_strict());
81}
82
83// BUG(1547)
84
85Realm.eval(realms[0], "var name = 'o'");
86Realm.eval(realms[1], "var name = 'i'");
87
88install('f', function() { return this.name; });
89install('g', function() { "use strict"; return this ? this.name : "u"; });
90
91for (i in realms) {
92  result = Realm.eval(realms[i], "                                             \
93      (function(){return f();})() +                                            \
94      (function(){return (1,f)();})() +                                        \
95      (function(){'use strict'; return f();})() +                              \
96      (function(){'use strict'; return (1,f)();})() +                          \
97      (function(){return g();})() +                                            \
98      (function(){return (1,g)();})() +                                        \
99      (function(){'use strict'; return g();})() +                              \
100      (function(){'use strict'; return (1,g)();})();                           \
101    ");
102  assertSame("oooouuuu", result);
103}
104