/* Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#include <gtest/gtest.h>

#include <my_global.h>
#include <my_sys.h>

namespace mysys_my_load_path {

TEST(Mysys, MyLoadPath)
{
  char dest[FN_REFLEN];

  static const std::string filename= "filename";

  // Path with absolute path component.
  std::string absolute_path_name= FN_LIBCHAR + filename;
  my_load_path(dest, absolute_path_name.c_str(), NULL);
  EXPECT_STREQ(dest, absolute_path_name.c_str());

  // Path with home directory component.
  dest[0]= '\0';
  std::string home_dir_path_name= FN_HOMELIB + (FN_LIBCHAR + filename);
  my_load_path(dest, home_dir_path_name.c_str(), NULL);
  EXPECT_STREQ(dest, home_dir_path_name.c_str());

  // Path with current directory component.
  dest[0]= '\0';
  std::string parent_dir_path_name= FN_CURLIB + (FN_LIBCHAR + filename);
  my_load_path(dest, parent_dir_path_name.c_str(), NULL);
  char temp_buf[256];
  my_getwd(temp_buf, sizeof(temp_buf), MYF(0));
  EXPECT_STREQ(dest, (temp_buf+filename).c_str());

  // Path with prefix component appended.
  dest[0]= '\0';
  std::string prefix_path_name= "/basedir/";
  my_load_path(dest, filename.c_str(), prefix_path_name.c_str());
  EXPECT_STREQ(dest, (prefix_path_name+filename).c_str());

  // Path that has length FN_REFLEN-1
  dest[0]= '\0';
  std::string cur_dir_path_name;
  for (int i= 0; i < (FN_REFLEN-3); i++)
    cur_dir_path_name.append("y");
  cur_dir_path_name= FN_CURLIB + (FN_LIBCHAR + cur_dir_path_name);
  my_load_path(dest, cur_dir_path_name.c_str(), NULL);
  EXPECT_STREQ(dest, cur_dir_path_name.c_str());

  // Path that has length FN_REFLEN.
  dest[0]= '\0';
  cur_dir_path_name.append("y");
  my_load_path(dest, cur_dir_path_name.c_str(), NULL);
  EXPECT_STREQ(dest, cur_dir_path_name.substr(0,FN_REFLEN-1).c_str());

  // Path that has length exceeding FN_REFLEN
  dest[0]= '\0';
  cur_dir_path_name.append("y");
  my_load_path(dest, cur_dir_path_name.c_str(), NULL);
  EXPECT_STREQ(dest, cur_dir_path_name.substr(0,FN_REFLEN-1).c_str());
}
}