1// Copyright 2012 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//
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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
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22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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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// Test that global eval calls of strict code (independent from whether being
29// direct or indirect) have their own lexical and variable environment.
30
31"use strict";
32var evil = eval;
33
34// Test global direct strict eval in strict script.
35// Expects new environment.
36var no_touch = 0;
37eval('"use strict"; var no_touch = 1;');
38assertSame(0, no_touch);
39
40// Test global indirect strict eval in strict script.
41// Expects new environment.
42var no_touch = 0;
43evil('"use strict"; var no_touch = 2;');
44assertSame(0, no_touch);
45
46// Test global direct non-strict eval in strict script.
47// Expects new environment.
48var no_touch = 0;
49eval('var no_touch = 3;');
50assertSame(0, no_touch);
51
52// Test global indirect non-strict eval in strict script.
53// Expects global environment.
54var no_touch = 0;
55evil('var no_touch = 4;');
56assertSame(4, no_touch);
57
58// Test non-global direct strict eval in strict script.
59// Expects new environment.
60var no_touch = 0;
61(function() {
62  var no_touch = 0;
63  eval('"use strict"; var no_touch = 5;');
64  assertSame(0, no_touch);
65})()
66assertSame(0, no_touch);
67
68// Test non-global indirect strict eval in strict script.
69// Expects new environment.
70var no_touch = 0;
71(function() {
72  var no_touch = 0;
73  evil('"use strict"; var no_touch = 6;');
74  assertSame(0, no_touch);
75})()
76assertSame(0, no_touch);
77
78// Test non-global direct non-strict eval in strict script.
79// Expects new environment.
80var no_touch = 0;
81(function() {
82  var no_touch = 0;
83  eval('var no_touch = 7;');
84  assertSame(0, no_touch);
85})()
86assertSame(0, no_touch);
87
88// Test non-global indirect non-strict eval in strict script.
89// Expects global environment.
90var no_touch = 0;
91(function() {
92  var no_touch = 0;
93  evil('var no_touch = 8;');
94  assertSame(0, no_touch);
95})()
96assertSame(8, no_touch);
97
98// Test non-global direct strict eval in strict script.
99// Expects new environment.
100var no_touch = 0;
101(function() {
102  "use strict";
103  var no_touch = 0;
104  eval('"use strict"; var no_touch = 9;');
105  assertSame(0, no_touch);
106})()
107assertSame(0, no_touch);
108
109// Test non-global indirect strict eval in strict script.
110// Expects new environment.
111var no_touch = 0;
112(function() {
113  "use strict";
114  var no_touch = 0;
115  evil('"use strict"; var no_touch = 10;');
116  assertSame(0, no_touch);
117})()
118assertSame(0, no_touch);
119
120// Test non-global direct non-strict eval in strict script.
121// Expects new environment.
122var no_touch = 0;
123(function() {
124  "use strict";
125  var no_touch = 0;
126  eval('var no_touch = 11;');
127  assertSame(0, no_touch);
128})()
129assertSame(0, no_touch);
130
131// Test non-global indirect non-strict eval in strict script.
132// Expects global environment.
133var no_touch = 0;
134(function() {
135  "use strict";
136  var no_touch = 0;
137  evil('var no_touch = 12;');
138  assertSame(0, no_touch);
139})()
140assertSame(12, no_touch);
141