src/url_test_utils.h

   1 // Copyright 2007 Google Inc.
   2 // 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 are
   6 // met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright
   9 // notice, this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above
  11 // copyright notice, this list of conditions and the following disclaimer
  12 // in the documentation and/or other materials provided with the
  13 // distribution.
  14 //     * Neither the name of Google Inc. nor the names of its
  15 // contributors may be used to endorse or promote products derived from
  16 // this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 // Convenience functions for string conversions.
  31 // These are mostly intended for use in unit tests.
  32
  33 #ifndef GOOGLEURL_SRC_URL_TEST_UTILS_H__
  34 #define GOOGLEURL_SRC_URL_TEST_UTILS_H__
  35
  36 #include <string>
  37
  38 #include "base/string16.h"
  39 #include "googleurl/src/url_canon_internal.h"
  40 #include "testing/gtest/include/gtest/gtest.h"
  41
  42 namespace url_test_utils {
  43
  44 // Converts a UTF-16 string from native wchar_t format to char16, by
  45 // truncating the high 32 bits.  This is not meant to handle true UTF-32
  46 // encoded strings.
  47 inline string16 WStringToUTF16(const wchar_t* src) {
  48   string16 str;
  49   int length = static_cast<int>(wcslen(src));
  50   for (int i = 0; i < length; ++i) {
  51     str.push_back(static_cast<char16>(src[i]));
  52   }
  53   return str;
  54 }
  55
  56 // Converts a string from UTF-8 to UTF-16
  57 inline string16 ConvertUTF8ToUTF16(const std::string& src) {
  58   int length = static_cast<int>(src.length());
  59   EXPECT_LT(length, 1024);
  60   url_canon::RawCanonOutputW<1024> output;
  61   EXPECT_TRUE(url_canon::ConvertUTF8ToUTF16(src.data(), length, &output));
  62   return string16(output.data(), output.length());
  63 }
  64
  65 // Converts a string from UTF-16 to UTF-8
  66 inline std::string ConvertUTF16ToUTF8(const string16& src) {
  67   std::string str;
  68   url_canon::StdStringCanonOutput output(&str);
  69   EXPECT_TRUE(url_canon::ConvertUTF16ToUTF8(src.data(),
  70                                             static_cast<int>(src.length()),
  71                                             &output));
  72   output.Complete();
  73   return str;
  74 }
  75
  76 }  // namespace url_test_utils
  77
  78 // This operator allows EXPECT_EQ(astring16, anotherstring16); to work.
  79 inline std::ostream& operator<<(std::ostream& os,
  80                                 const string16& str) {
  81   // Convert to UTF-8 and print the string
  82   return os << url_test_utils::ConvertUTF16ToUTF8(str);
  83 }
  84
  85 #endif  // GOOGLEURL_SRC_URL_TEST_UTILS_H__