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
30static int wtfStringCopyCount;
31
32#include "wtf/text/WTFString.h"
33#include <gtest/gtest.h>
34
35namespace {
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
45TEST(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