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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cwrap/Fildes.h"
#include <cstdlib>
#include <string>
#include <stdexcept>
#include <unistd.h>
#include <fcntl.h>
#include <gtest/gtest.h>
#define DECLARE_TEMPLATE(NAME) char NAME[] = "FILDES-TEST-XXXXXX"
namespace
{
int make_temp(char *name_template)
{
int fd = mkstemp(name_template);
if (fd == -1)
{
throw std::runtime_error{"mkstemp failed"};
}
return fd;
}
} // namespace make_temp
TEST(FildesTest, default_constructor)
{
cwrap::Fildes fildes;
ASSERT_FALSE(cwrap::valid(fildes));
}
TEST(FildesTest, value_constructor)
{
DECLARE_TEMPLATE(name_template);
cwrap::Fildes fildes{make_temp(name_template)};
ASSERT_TRUE(cwrap::valid(fildes));
}
TEST(FildesTest, move_constructor)
{
DECLARE_TEMPLATE(src_template);
DECLARE_TEMPLATE(dst_template);
int src_fd = make_temp(src_template);
int dst_fd = make_temp(dst_template);
cwrap::Fildes src{src_fd};
cwrap::Fildes dst{dst_fd};
dst = std::move(src);
ASSERT_FALSE(cwrap::valid(src));
ASSERT_TRUE(cwrap::valid(dst));
ASSERT_EQ(dst.get(), src_fd);
// "src_fd" SHOULD be valid, and "dst_fd" SHOULD be closed
ASSERT_NE(fcntl(src_fd, F_GETFD), -1);
ASSERT_EQ(fcntl(dst_fd, F_GETFD), -1);
}
TEST(FildesTest, destructor)
{
DECLARE_TEMPLATE(name_template);
int fd = make_temp(name_template);
ASSERT_NE(fcntl(fd, F_GETFD), -1);
{
cwrap::Fildes fildes{fd};
}
ASSERT_EQ(fcntl(fd, F_GETFD), -1);
}
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