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93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004-2021 Exiv2 authors
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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#include "basicio.hpp"
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#include <gtest/gtest.h>
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using namespace Exiv2;
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namespace
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{
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const std::string testData(TESTDATA_PATH);
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const std::string imagePath(testData + "/DSC_3079.jpg");
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} // namespace
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TEST(AFileIO, canBeInstantiatedWithFilePath)
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{
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ASSERT_NO_THROW(FileIo file(imagePath));
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}
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TEST(AFileIO, canBeOpenInReadBinaryMode)
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{
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FileIo file(imagePath);
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ASSERT_EQ(0, file.open());
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}
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TEST(AFileIO, isOpenDoItsJob)
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{
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FileIo file(imagePath);
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ASSERT_FALSE(file.isopen());
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file.open();
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ASSERT_TRUE(file.isopen());
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}
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TEST(AFileIO, returnsFileSizeIfItsOpened)
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{
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FileIo file(imagePath);
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file.open();
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ASSERT_EQ(118685ul, file.size());
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}
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TEST(AFileIO, returnsFileSizeEvenWhenFileItIsNotOpened)
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{
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FileIo file(imagePath);
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ASSERT_EQ(118685ul, file.size());
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}
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TEST(AFileIO, isOpenedAtPosition0)
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{
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FileIo file(imagePath);
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file.open();
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ASSERT_EQ(0, file.tell());
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}
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TEST(AFileIO, canSeekToExistingPositions)
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{
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FileIo file(imagePath);
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file.open();
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ASSERT_EQ(0, file.seek(100, BasicIo::beg));
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ASSERT_EQ(0, file.seek(-50, BasicIo::cur));
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ASSERT_EQ(0, file.seek(-50, BasicIo::end));
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ASSERT_FALSE(file.error());
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ASSERT_FALSE(file.eof());
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}
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TEST(AFileIO, canSeekBeyondEOF)
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{
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FileIo file(imagePath);
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file.open();
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// POSIX allows seeking beyond the existing end of file.
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ASSERT_EQ(0, file.seek(200000, BasicIo::beg));
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ASSERT_FALSE(file.error());
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ASSERT_FALSE(file.eof());
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}
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