1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27
28 #define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() (++wtfStringCopyCount)
29
30 static int wtfStringCopyCount;
31
32 #include "wtf/text/WTFString.h"
33 #include <gtest/gtest.h>
34
35 namespace {
36
37 #define EXPECT_N_WTF_STRING_COPIES(count, expr) \
38 do { \
39 wtfStringCopyCount = 0; \
40 String __testString = expr; \
41 (void)__testString; \
42 EXPECT_EQ(count, wtfStringCopyCount) << #expr; \
43 } while (false)
44
TEST(WTF,DISABLED_StringOperators)45 TEST(WTF, DISABLED_StringOperators)
46 {
47 String string("String");
48 AtomicString atomicString("AtomicString");
49 const char* literal = "ASCIILiteral";
50
51 EXPECT_EQ(0, wtfStringCopyCount);
52
53 EXPECT_N_WTF_STRING_COPIES(2, string + string);
54 EXPECT_N_WTF_STRING_COPIES(2, string + atomicString);
55 EXPECT_N_WTF_STRING_COPIES(2, atomicString + string);
56 EXPECT_N_WTF_STRING_COPIES(2, atomicString + atomicString);
57
58 EXPECT_N_WTF_STRING_COPIES(1, "C string" + string);
59 EXPECT_N_WTF_STRING_COPIES(1, string + "C string");
60 EXPECT_N_WTF_STRING_COPIES(1, "C string" + atomicString);
61 EXPECT_N_WTF_STRING_COPIES(1, atomicString + "C string");
62
63 EXPECT_N_WTF_STRING_COPIES(1, literal + string);
64 EXPECT_N_WTF_STRING_COPIES(1, string + literal);
65 EXPECT_N_WTF_STRING_COPIES(1, literal + atomicString);
66 EXPECT_N_WTF_STRING_COPIES(1, atomicString + literal);
67
68 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + "C string" + string);
69 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + "C string" + string));
70 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + ("C string" + string));
71 EXPECT_N_WTF_STRING_COPIES(2, string + "C string" + string + "C string");
72 EXPECT_N_WTF_STRING_COPIES(2, string + ("C string" + string + "C string"));
73 EXPECT_N_WTF_STRING_COPIES(2, (string + "C string") + (string + "C string"));
74
75 EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + string);
76 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + string));
77 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + string));
78 EXPECT_N_WTF_STRING_COPIES(2, string + literal + string + literal);
79 EXPECT_N_WTF_STRING_COPIES(2, string + (literal + string + literal));
80 EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (string + literal));
81
82 EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + string);
83 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + string));
84 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + ("C string" + string));
85 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + string);
86 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + string));
87 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + (literal + string));
88
89 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + "C string" + atomicString);
90 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + "C string" + atomicString));
91 EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + ("C string" + atomicString));
92 EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + literal + atomicString);
93 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + literal + atomicString));
94 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + (literal + atomicString));
95
96 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + "C string" + string);
97 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + "C string" + string));
98 EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + ("C string" + string));
99 EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + literal + string);
100 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + literal + string));
101 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + (literal + string));
102
103 EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + atomicString);
104 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + atomicString));
105 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + ("C string" + atomicString));
106 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + atomicString);
107 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + atomicString));
108 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + (literal + atomicString));
109
110 EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + "C string" + atomicString);
111 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + "C string" + atomicString));
112 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + ("C string" + atomicString));
113 EXPECT_N_WTF_STRING_COPIES(2, atomicString + "C string" + atomicString + "C string");
114 EXPECT_N_WTF_STRING_COPIES(2, atomicString + ("C string" + atomicString + "C string"));
115 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + "C string") + (atomicString + "C string"));
116
117 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + literal + atomicString);
118 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + literal + atomicString));
119 EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + (literal + atomicString));
120 EXPECT_N_WTF_STRING_COPIES(2, atomicString + literal + atomicString + literal);
121 EXPECT_N_WTF_STRING_COPIES(2, atomicString + (literal + atomicString + literal));
122 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + literal) + (atomicString + literal));
123
124 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + "C string" + atomicString);
125 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + "C string" + atomicString));
126 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + ("C string" + atomicString));
127 EXPECT_N_WTF_STRING_COPIES(2, string + "C string" + atomicString + "C string");
128 EXPECT_N_WTF_STRING_COPIES(2, string + ("C string" + atomicString + "C string"));
129 EXPECT_N_WTF_STRING_COPIES(2, (string + "C string") + (atomicString + "C string"));
130
131 EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + atomicString);
132 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + atomicString));
133 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + atomicString));
134 EXPECT_N_WTF_STRING_COPIES(2, string + literal + atomicString + literal);
135 EXPECT_N_WTF_STRING_COPIES(2, string + (literal + atomicString + literal));
136 EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (atomicString + literal));
137
138 EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + "C string" + string);
139 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + "C string" + string));
140 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + ("C string" + string));
141 EXPECT_N_WTF_STRING_COPIES(2, atomicString + "C string" + string + "C string");
142 EXPECT_N_WTF_STRING_COPIES(2, atomicString + ("C string" + string + "C string"));
143 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + "C string") + (string + "C string"));
144
145 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + literal + string);
146 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + literal + string));
147 EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + (literal + string));
148 EXPECT_N_WTF_STRING_COPIES(2, atomicString + literal + string + literal);
149 EXPECT_N_WTF_STRING_COPIES(2, atomicString + (literal + string + literal));
150 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + literal) + (string + literal));
151
152 #if COMPILER(MSVC)
153 EXPECT_N_WTF_STRING_COPIES(1, L"wide string" + string);
154 EXPECT_N_WTF_STRING_COPIES(1, string + L"wide string");
155 EXPECT_N_WTF_STRING_COPIES(1, L"wide string" + atomicString);
156 EXPECT_N_WTF_STRING_COPIES(1, atomicString + L"wide string");
157
158 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + string + L"wide string" + string);
159 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + (string + L"wide string" + string));
160 EXPECT_N_WTF_STRING_COPIES(2, (L"wide string" + string) + (L"wide string" + string));
161 EXPECT_N_WTF_STRING_COPIES(2, string + L"wide string" + string + L"wide string");
162 EXPECT_N_WTF_STRING_COPIES(2, string + (L"wide string" + string + L"wide string"));
163 EXPECT_N_WTF_STRING_COPIES(2, (string + L"wide string") + (string + L"wide string"));
164
165 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + atomicString + L"wide string" + atomicString);
166 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + (atomicString + L"wide string" + atomicString));
167 EXPECT_N_WTF_STRING_COPIES(2, (L"wide string" + atomicString) + (L"wide string" + atomicString));
168 EXPECT_N_WTF_STRING_COPIES(2, atomicString + L"wide string" + atomicString + L"wide string");
169 EXPECT_N_WTF_STRING_COPIES(2, atomicString + (L"wide string" + atomicString + L"wide string"));
170 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + L"wide string") + (atomicString + L"wide string"));
171
172 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + string + L"wide string" + atomicString);
173 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + (string + L"wide string" + atomicString));
174 EXPECT_N_WTF_STRING_COPIES(2, (L"wide string" + string) + (L"wide string" + atomicString));
175 EXPECT_N_WTF_STRING_COPIES(2, string + L"wide string" + atomicString + L"wide string");
176 EXPECT_N_WTF_STRING_COPIES(2, string + (L"wide string" + atomicString + L"wide string"));
177 EXPECT_N_WTF_STRING_COPIES(2, (string + L"wide string") + (atomicString + L"wide string"));
178
179 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + atomicString + L"wide string" + string);
180 EXPECT_N_WTF_STRING_COPIES(2, L"wide string" + (atomicString + L"wide string" + string));
181 EXPECT_N_WTF_STRING_COPIES(2, (L"wide string" + atomicString) + (L"wide string" + string));
182 EXPECT_N_WTF_STRING_COPIES(2, atomicString + L"wide string" + string + L"wide string");
183 EXPECT_N_WTF_STRING_COPIES(2, atomicString + (L"wide string" + string + L"wide string"));
184 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + L"wide string") + (string + L"wide string"));
185 #endif
186 }
187
188 } // namespace
189