#include "basicio.hpp"
#include <gtest/gtest.h>
using namespace Exiv2;
namespace
{
const std::string testData(TESTDATA_PATH);
const std::string imagePath(testData + "/DSC_3079.jpg");
} // namespace
TEST(AFileIO, canBeInstantiatedWithFilePath)
{
ASSERT_NO_THROW(FileIo file(imagePath));
}
TEST(AFileIO, canBeOpenInReadBinaryMode)
{
FileIo file(imagePath);
ASSERT_EQ(0, file.open());
}
TEST(AFileIO, isOpenDoItsJob)
{
FileIo file(imagePath);
ASSERT_FALSE(file.isopen());
file.open();
ASSERT_TRUE(file.isopen());
}
TEST(AFileIO, returnsFileSizeIfItsOpened)
{
FileIo file(imagePath);
file.open();
ASSERT_EQ(118685ul, file.size());
}
TEST(AFileIO, returnsFileSizeEvenWhenFileItIsNotOpened)
{
FileIo file(imagePath);
ASSERT_EQ(118685ul, file.size());
}
TEST(AFileIO, isOpenedAtPosition0)
{
FileIo file(imagePath);
file.open();
ASSERT_EQ(0, file.tell());
}
TEST(AFileIO, canSeekToExistingPositions)
{
FileIo file(imagePath);
file.open();
ASSERT_EQ(0, file.seek(100, BasicIo::beg));
ASSERT_EQ(0, file.seek(-50, BasicIo::cur));
ASSERT_EQ(0, file.seek(-50, BasicIo::end));
ASSERT_FALSE(file.error());
ASSERT_FALSE(file.eof());
}
TEST(AFileIO, canSeekBeyondEOF)
{
FileIo file(imagePath);
file.open();
// POSIX allows seeking beyond the existing end of file.
ASSERT_EQ(0, file.seek(200000, BasicIo::beg));
ASSERT_FALSE(file.error());
ASSERT_FALSE(file.eof());
}