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Issue 1819123002: Remove support for legacy const, part 1 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebased, deleted one more file Created 4 years, 9 months ago
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1 // Copyright 2009 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: --legacy-const
29
30 // Test handling of const variables in various settings.
31
32 (function () {
33 function f() {
34 function g() {
35 x = 42; // should be ignored
36 return x; // force x into context
37 }
38 x = 43; // should be ignored
39 assertEquals(undefined, g());
40 x = 44; // should be ignored
41 const x = 0;
42 x = 45; // should be ignored
43 assertEquals(0, g());
44 }
45 f();
46 })();
47
48
49 (function () {
50 function f() {
51 function g() {
52 with ({foo: 0}) {
53 x = 42; // should be ignored
54 return x; // force x into context
55 }
56 }
57 x = 43; // should be ignored
58 assertEquals(undefined, g());
59 x = 44; // should be ignored
60 const x = 0;
61 x = 45; // should be ignored
62 assertEquals(0, g());
63 }
64 f();
65 })();
66
67
68 (function () {
69 function f() {
70 function g(s) {
71 eval(s);
72 return x; // force x into context
73 }
74 x = 43; // should be ignored
75 assertEquals(undefined, g("x = 42;"));
76 x = 44; // should be ignored
77 const x = 0;
78 x = 45; // should be ignored
79 assertEquals(0, g("x = 46;"));
80 }
81 f();
82 })();
83
84
85 (function () {
86 function f() {
87 function g(s) {
88 with ({foo: 0}) {
89 eval(s);
90 return x; // force x into context
91 }
92 }
93 x = 43; // should be ignored
94 assertEquals(undefined, g("x = 42;"));
95 x = 44; // should be ignored
96 const x = 0;
97 x = 45; // should be ignored
98 assertEquals(0, g("x = 46;"));
99 }
100 f();
101 })();
102
103
104 (function () {
105 function f(s) {
106 function g() {
107 x = 42; // assign to global x, or to const x
108 return x;
109 }
110 x = 43; // declare global x
111 assertEquals(42, g());
112 x = 44; // assign to global x
113 eval(s);
114 x = 45; // should be ignored (assign to const x)
115 assertEquals(0, g());
116 }
117 f("const x = 0;");
118 })();
119
120
121 (function () {
122 function f(s) {
123 function g() {
124 with ({foo: 0}) {
125 x = 42; // assign to global x, or to const x
126 return x;
127 }
128 }
129 x = 43; // declare global x
130 assertEquals(42, g());
131 x = 44; // assign to global x
132 eval(s);
133 x = 45; // should be ignored (assign to const x)
134 assertEquals(0, g());
135 }
136 f("const x = 0;");
137 })();
138
139
140 (function () {
141 function f(s) {
142 function g(s) {
143 eval(s);
144 return x;
145 }
146 x = 43; // declare global x
147 assertEquals(42, g("x = 42;"));
148 x = 44; // assign to global x
149 eval(s);
150 x = 45; // should be ignored (assign to const x)
151 assertEquals(0, g("x = 46;"));
152 }
153 f("const x = 0;");
154 })();
155
156
157 (function () {
158 function f(s) {
159 function g(s) {
160 with ({foo: 0}) {
161 eval(s);
162 return x;
163 }
164 }
165 x = 43; // declare global x
166 assertEquals(42, g("x = 42;"));
167 x = 44; // assign to global x
168 eval(s);
169 x = 45; // should be ignored (assign to const x)
170 assertEquals(0, g("x = 46;"));
171 }
172 f("const x = 0;");
173 })();
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