mysql5/mysql-5.7.27/unittest/gunit/mysys_my_loadpath-t.cc

76 lines
2.6 KiB
C++

/* 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());
}
}