url/url_test_utils.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef URL_URL_TEST_UTILS_H_
   6 #define URL_URL_TEST_UTILS_H_
   7
   8 // Convenience functions for string conversions.
   9 // These are mostly intended for use in unit tests.
  10
  11 #include <string>
  12
  13 #include "base/strings/string16.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "url/url_canon_internal.h"
  16
  17 namespace url {
  18
  19 namespace test_utils {
  20
  21 // Converts a UTF-16 string from native wchar_t format to char16, by
  22 // truncating the high 32 bits. This is not meant to handle true UTF-32
  23 // encoded strings.
  24 inline base::string16 WStringToUTF16(const wchar_t* src) {
  25   base::string16 str;
  26   int length = static_cast<int>(wcslen(src));
  27   for (int i = 0; i < length; ++i) {
  28     str.push_back(static_cast<base::char16>(src[i]));
  29   }
  30   return str;
  31 }
  32
  33 // Converts a string from UTF-8 to UTF-16.
  34 inline base::string16 ConvertUTF8ToUTF16(const std::string& src) {
  35   int length = static_cast<int>(src.length());
  36   EXPECT_LT(length, 1024);
  37   RawCanonOutputW<1024> output;
  38   EXPECT_TRUE(ConvertUTF8ToUTF16(src.data(), length, &output));
  39   return base::string16(output.data(), output.length());
  40 }
  41
  42 // Converts a string from UTF-16 to UTF-8.
  43 inline std::string ConvertUTF16ToUTF8(const base::string16& src) {
  44   std::string str;
  45   StdStringCanonOutput output(&str);
  46   EXPECT_TRUE(ConvertUTF16ToUTF8(src.data(), static_cast<int>(src.length()),
  47                                  &output));
  48   output.Complete();
  49   return str;
  50 }
  51
  52 }  // namespace test_utils
  53
  54 }  // namespace url
  55
  56 #endif  // URL_URL_TEST_UTILS_H_