third_party/WebKit/Source/wtf/text/StringOperatorsTest.cpp

   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 WTF {
  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
  45 TEST(StringOperatorsTest, 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 WTF