Installation with registry keys

test/DictionaryTest.cpp

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 25 matching lines @@
       throw std::runtime_error("Failed writing to file " + ToUtf8String(filePath));
   }
 
   void RemoveLocale(const std::wstring& basePath, const std::wstring& locale)
   {
     std::wstring filePath = basePath + locale + L".ini";
     ::DeleteFileW(filePath.c_str());
   }
 }
 
+namespace
+{
+  // See http://blogs.msdn.com/b/oldnewthing/archive/2004/10/25/247180.aspx
+  EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+}
+
+std::wstring GetDllDir()
+{
+  std::vector<WCHAR> path(MAX_PATH);
+  DWORD length = GetModuleFileNameW((HINSTANCE)&__ImageBase, &path[0], path.size());
+
+  while (length == path.size())
+  {
+    // Buffer too small, double buffer size
+    path.resize(path.size() * 2);
+    length = GetModuleFileNameW((HINSTANCE)&__ImageBase, &path[0], path.size());
+  }
+
+  try
+  {
+    if (length == 0)
+      throw std::runtime_error("Failed determining module path");
+
+    std::vector<WCHAR>::reverse_iterator it = std::find(path.rbegin(), path.rend(), L'\\');
+    if (it == path.rend())
+      throw std::runtime_error("Unexpected plugin path, no backslash found");
+
+    return std::wstring(path.begin(), it.base());
+  }
+  catch (const std::exception&)
+  {
+    return std::wstring();
+  }
+}
+
 class DictionaryTest : public ::testing::Test
 {
 protected:
   std::wstring basePath;
 
   void SetUp()
   {
     basePath = GetDllDir() + L"locales\\";
     ::CreateDirectoryW(basePath.c_str(), NULL);
 
@@ skipping 11 matching lines @@
 
     RemoveLocale(basePath, L"en");
     RemoveLocale(basePath, L"es-ES");
     RemoveLocale(basePath, L"ru");
     ::RemoveDirectoryW(basePath.c_str());
   }
 };
 
 TEST_F(DictionaryTest, DefaultLocale)
 {
-  Dictionary::Create(L"en");
+  Dictionary::Create(L"en", basePath);
   Dictionary* dict = Dictionary::GetInstance();
 
   ASSERT_TRUE(dict);
   ASSERT_EQ(L"bar", dict->Lookup("general", "foo"));
   ASSERT_EQ(L"y", dict->Lookup("x", "x"));
   ASSERT_NE(L"bar", dict->Lookup("", "foo"));
   ASSERT_NE(L"bar", dict->Lookup("x", "foo"));
   ASSERT_NE(L"bar", dict->Lookup("generalsomething", "foo"));
   ASSERT_FALSE(dict->Lookup("foo", "bar").empty());
 }
 
 TEST_F(DictionaryTest, LocaleFallback)
 {
-  Dictionary::Create(L"es-ES");
+  Dictionary::Create(L"es-ES", basePath);
   Dictionary* dict = Dictionary::GetInstance();
 
   ASSERT_TRUE(dict);
   ASSERT_EQ(L"esbar", dict->Lookup("general", "foo"));
   ASSERT_EQ(L"y", dict->Lookup("x", "x"));
 }
 
 TEST_F(DictionaryTest, LocaleFallbackShort)
 {
-  Dictionary::Create(L"ru-RU");
+  Dictionary::Create(L"ru-RU", basePath);
   Dictionary* dict = Dictionary::GetInstance();
 
   ASSERT_TRUE(dict);
   ASSERT_EQ(L"\u0442\u0435\u0441\u0442", dict->Lookup("general", "foo"));
   ASSERT_EQ(L"y", dict->Lookup("x", "x"));
 }