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      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
     20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     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 #endif  // GOOGLEURL_SRC_URL_TEST_UTILS_H__
     79