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| 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 #define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() (++wtfStringCopyCount) | |
| 27 | |
| 28 static int wtfStringCopyCount; | |
| 29 | |
| 30 #include "testing/gtest/include/gtest/gtest.h" | |
| 31 #include "wtf/text/WTFString.h" | |
| 32 | |
| 33 namespace WTF { | |
| 34 | |
| 35 #define EXPECT_N_WTF_STRING_COPIES(count, expr) \ | |
| 36 do { \ | |
| 37 wtfStringCopyCount = 0; \ | |
| 38 String __testString = expr; \ | |
| 39 (void)__testString; \ | |
| 40 EXPECT_EQ(count, wtfStringCopyCount) << #expr; \ | |
| 41 } while (false) | |
| 42 | |
| 43 TEST(StringOperatorsTest, DISABLED_StringOperators) { | |
| 44 String string("String"); | |
| 45 AtomicString atomicString("AtomicString"); | |
| 46 const char* literal = "ASCIILiteral"; | |
| 47 | |
| 48 EXPECT_EQ(0, wtfStringCopyCount); | |
| 49 | |
| 50 EXPECT_N_WTF_STRING_COPIES(2, string + string); | |
| 51 EXPECT_N_WTF_STRING_COPIES(2, string + atomicString); | |
| 52 EXPECT_N_WTF_STRING_COPIES(2, atomicString + string); | |
| 53 EXPECT_N_WTF_STRING_COPIES(2, atomicString + atomicString); | |
| 54 | |
| 55 EXPECT_N_WTF_STRING_COPIES(1, "C string" + string); | |
| 56 EXPECT_N_WTF_STRING_COPIES(1, string + "C string"); | |
| 57 EXPECT_N_WTF_STRING_COPIES(1, "C string" + atomicString); | |
| 58 EXPECT_N_WTF_STRING_COPIES(1, atomicString + "C string"); | |
| 59 | |
| 60 EXPECT_N_WTF_STRING_COPIES(1, literal + string); | |
| 61 EXPECT_N_WTF_STRING_COPIES(1, string + literal); | |
| 62 EXPECT_N_WTF_STRING_COPIES(1, literal + atomicString); | |
| 63 EXPECT_N_WTF_STRING_COPIES(1, atomicString + literal); | |
| 64 | |
| 65 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + "C string" + string); | |
| 66 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + "C string" + string)); | |
| 67 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + ("C string" + string)); | |
| 68 EXPECT_N_WTF_STRING_COPIES(2, string + "C string" + string + "C string"); | |
| 69 EXPECT_N_WTF_STRING_COPIES(2, string + ("C string" + string + "C string")); | |
| 70 EXPECT_N_WTF_STRING_COPIES(2, (string + "C string") + (string + "C string")); | |
| 71 | |
| 72 EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + string); | |
| 73 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + string)); | |
| 74 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + string)); | |
| 75 EXPECT_N_WTF_STRING_COPIES(2, string + literal + string + literal); | |
| 76 EXPECT_N_WTF_STRING_COPIES(2, string + (literal + string + literal)); | |
| 77 EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (string + literal)); | |
| 78 | |
| 79 EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + string); | |
| 80 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + string)); | |
| 81 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + ("C string" + string)); | |
| 82 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + string); | |
| 83 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + string)); | |
| 84 EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + (literal + string)); | |
| 85 | |
| 86 EXPECT_N_WTF_STRING_COPIES( | |
| 87 2, literal + atomicString + "C string" + atomicString); | |
| 88 EXPECT_N_WTF_STRING_COPIES( | |
| 89 2, literal + (atomicString + "C string" + atomicString)); | |
| 90 EXPECT_N_WTF_STRING_COPIES( | |
| 91 2, (literal + atomicString) + ("C string" + atomicString)); | |
| 92 EXPECT_N_WTF_STRING_COPIES( | |
| 93 2, "C string" + atomicString + literal + atomicString); | |
| 94 EXPECT_N_WTF_STRING_COPIES( | |
| 95 2, "C string" + (atomicString + literal + atomicString)); | |
| 96 EXPECT_N_WTF_STRING_COPIES( | |
| 97 2, ("C string" + atomicString) + (literal + atomicString)); | |
| 98 | |
| 99 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + "C string" + string); | |
| 100 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + "C string" + string)); | |
| 101 EXPECT_N_WTF_STRING_COPIES(2, | |
| 102 (literal + atomicString) + ("C string" + string)); | |
| 103 EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + literal + string); | |
| 104 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + literal + string)); | |
| 105 EXPECT_N_WTF_STRING_COPIES(2, | |
| 106 ("C string" + atomicString) + (literal + string)); | |
| 107 | |
| 108 EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + atomicString); | |
| 109 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + atomicString)); | |
| 110 EXPECT_N_WTF_STRING_COPIES(2, | |
| 111 (literal + string) + ("C string" + atomicString)); | |
| 112 EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + atomicString); | |
| 113 EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + atomicString)); | |
| 114 EXPECT_N_WTF_STRING_COPIES(2, | |
| 115 ("C string" + string) + (literal + atomicString)); | |
| 116 | |
| 117 EXPECT_N_WTF_STRING_COPIES( | |
| 118 2, "C string" + atomicString + "C string" + atomicString); | |
| 119 EXPECT_N_WTF_STRING_COPIES( | |
| 120 2, "C string" + (atomicString + "C string" + atomicString)); | |
| 121 EXPECT_N_WTF_STRING_COPIES( | |
| 122 2, ("C string" + atomicString) + ("C string" + atomicString)); | |
| 123 EXPECT_N_WTF_STRING_COPIES( | |
| 124 2, atomicString + "C string" + atomicString + "C string"); | |
| 125 EXPECT_N_WTF_STRING_COPIES( | |
| 126 2, atomicString + ("C string" + atomicString + "C string")); | |
| 127 EXPECT_N_WTF_STRING_COPIES( | |
| 128 2, (atomicString + "C string") + (atomicString + "C string")); | |
| 129 | |
| 130 EXPECT_N_WTF_STRING_COPIES(2, | |
| 131 literal + atomicString + literal + atomicString); | |
| 132 EXPECT_N_WTF_STRING_COPIES(2, | |
| 133 literal + (atomicString + literal + atomicString)); | |
| 134 EXPECT_N_WTF_STRING_COPIES( | |
| 135 2, (literal + atomicString) + (literal + atomicString)); | |
| 136 EXPECT_N_WTF_STRING_COPIES(2, | |
| 137 atomicString + literal + atomicString + literal); | |
| 138 EXPECT_N_WTF_STRING_COPIES(2, | |
| 139 atomicString + (literal + atomicString + literal)); | |
| 140 EXPECT_N_WTF_STRING_COPIES( | |
| 141 2, (atomicString + literal) + (atomicString + literal)); | |
| 142 | |
| 143 EXPECT_N_WTF_STRING_COPIES(2, | |
| 144 "C string" + string + "C string" + atomicString); | |
| 145 EXPECT_N_WTF_STRING_COPIES(2, | |
| 146 "C string" + (string + "C string" + atomicString)); | |
| 147 EXPECT_N_WTF_STRING_COPIES( | |
| 148 2, ("C string" + string) + ("C string" + atomicString)); | |
| 149 EXPECT_N_WTF_STRING_COPIES(2, | |
| 150 string + "C string" + atomicString + "C string"); | |
| 151 EXPECT_N_WTF_STRING_COPIES(2, | |
| 152 string + ("C string" + atomicString + "C string")); | |
| 153 EXPECT_N_WTF_STRING_COPIES( | |
| 154 2, (string + "C string") + (atomicString + "C string")); | |
| 155 | |
| 156 EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + atomicString); | |
| 157 EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + atomicString)); | |
| 158 EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + atomicString)); | |
| 159 EXPECT_N_WTF_STRING_COPIES(2, string + literal + atomicString + literal); | |
| 160 EXPECT_N_WTF_STRING_COPIES(2, string + (literal + atomicString + literal)); | |
| 161 EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (atomicString + literal)); | |
| 162 | |
| 163 EXPECT_N_WTF_STRING_COPIES(2, | |
| 164 "C string" + atomicString + "C string" + string); | |
| 165 EXPECT_N_WTF_STRING_COPIES(2, | |
| 166 "C string" + (atomicString + "C string" + string)); | |
| 167 EXPECT_N_WTF_STRING_COPIES( | |
| 168 2, ("C string" + atomicString) + ("C string" + string)); | |
| 169 EXPECT_N_WTF_STRING_COPIES(2, | |
| 170 atomicString + "C string" + string + "C string"); | |
| 171 EXPECT_N_WTF_STRING_COPIES(2, | |
| 172 atomicString + ("C string" + string + "C string")); | |
| 173 EXPECT_N_WTF_STRING_COPIES( | |
| 174 2, (atomicString + "C string") + (string + "C string")); | |
| 175 | |
| 176 EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + literal + string); | |
| 177 EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + literal + string)); | |
| 178 EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + (literal + string)); | |
| 179 EXPECT_N_WTF_STRING_COPIES(2, atomicString + literal + string + literal); | |
| 180 EXPECT_N_WTF_STRING_COPIES(2, atomicString + (literal + string + literal)); | |
| 181 EXPECT_N_WTF_STRING_COPIES(2, (atomicString + literal) + (string + literal)); | |
| 182 | |
| 183 #if COMPILER(MSVC) | |
| 184 EXPECT_N_WTF_STRING_COPIES(1, L"wide string" + string); | |
| 185 EXPECT_N_WTF_STRING_COPIES(1, string + L"wide string"); | |
| 186 EXPECT_N_WTF_STRING_COPIES(1, L"wide string" + atomicString); | |
| 187 EXPECT_N_WTF_STRING_COPIES(1, atomicString + L"wide string"); | |
| 188 | |
| 189 EXPECT_N_WTF_STRING_COPIES(2, | |
| 190 L"wide string" + string + L"wide string" + string); | |
| 191 EXPECT_N_WTF_STRING_COPIES( | |
| 192 2, L"wide string" + (string + L"wide string" + string)); | |
| 193 EXPECT_N_WTF_STRING_COPIES( | |
| 194 2, (L"wide string" + string) + (L"wide string" + string)); | |
| 195 EXPECT_N_WTF_STRING_COPIES(2, | |
| 196 string + L"wide string" + string + L"wide string"); | |
| 197 EXPECT_N_WTF_STRING_COPIES( | |
| 198 2, string + (L"wide string" + string + L"wide string")); | |
| 199 EXPECT_N_WTF_STRING_COPIES( | |
| 200 2, (string + L"wide string") + (string + L"wide string")); | |
| 201 | |
| 202 EXPECT_N_WTF_STRING_COPIES( | |
| 203 2, L"wide string" + atomicString + L"wide string" + atomicString); | |
| 204 EXPECT_N_WTF_STRING_COPIES( | |
| 205 2, L"wide string" + (atomicString + L"wide string" + atomicString)); | |
| 206 EXPECT_N_WTF_STRING_COPIES( | |
| 207 2, (L"wide string" + atomicString) + (L"wide string" + atomicString)); | |
| 208 EXPECT_N_WTF_STRING_COPIES( | |
| 209 2, atomicString + L"wide string" + atomicString + L"wide string"); | |
| 210 EXPECT_N_WTF_STRING_COPIES( | |
| 211 2, atomicString + (L"wide string" + atomicString + L"wide string")); | |
| 212 EXPECT_N_WTF_STRING_COPIES( | |
| 213 2, (atomicString + L"wide string") + (atomicString + L"wide string")); | |
| 214 | |
| 215 EXPECT_N_WTF_STRING_COPIES( | |
| 216 2, L"wide string" + string + L"wide string" + atomicString); | |
| 217 EXPECT_N_WTF_STRING_COPIES( | |
| 218 2, L"wide string" + (string + L"wide string" + atomicString)); | |
| 219 EXPECT_N_WTF_STRING_COPIES( | |
| 220 2, (L"wide string" + string) + (L"wide string" + atomicString)); | |
| 221 EXPECT_N_WTF_STRING_COPIES( | |
| 222 2, string + L"wide string" + atomicString + L"wide string"); | |
| 223 EXPECT_N_WTF_STRING_COPIES( | |
| 224 2, string + (L"wide string" + atomicString + L"wide string")); | |
| 225 EXPECT_N_WTF_STRING_COPIES( | |
| 226 2, (string + L"wide string") + (atomicString + L"wide string")); | |
| 227 | |
| 228 EXPECT_N_WTF_STRING_COPIES( | |
| 229 2, L"wide string" + atomicString + L"wide string" + string); | |
| 230 EXPECT_N_WTF_STRING_COPIES( | |
| 231 2, L"wide string" + (atomicString + L"wide string" + string)); | |
| 232 EXPECT_N_WTF_STRING_COPIES( | |
| 233 2, (L"wide string" + atomicString) + (L"wide string" + string)); | |
| 234 EXPECT_N_WTF_STRING_COPIES( | |
| 235 2, atomicString + L"wide string" + string + L"wide string"); | |
| 236 EXPECT_N_WTF_STRING_COPIES( | |
| 237 2, atomicString + (L"wide string" + string + L"wide string")); | |
| 238 EXPECT_N_WTF_STRING_COPIES( | |
| 239 2, (atomicString + L"wide string") + (string + L"wide string")); | |
| 240 #endif | |
| 241 } | |
| 242 | |
| 243 } // namespace WTF | |
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