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84 lines
2.5 KiB
C++
84 lines
2.5 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 <tiffimage_int.hpp>
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#include <gtest/gtest.h>
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#include <sstream>
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using namespace Exiv2;
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static const byte tiffLittleEndian[] = {0x49, 0x49, 0x2a, 0x00, 0x10, 0x00, 0x00, 0x00};
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class ATiffHeader: public ::testing::Test
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{
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public:
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Internal::TiffHeader header;
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};
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TEST_F(ATiffHeader, hasExpectedValuesAfterCreation)
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{
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ASSERT_EQ(8U, header.size());
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ASSERT_EQ(42, header.tag());
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ASSERT_EQ(8U, header.offset());
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ASSERT_EQ(littleEndian, header.byteOrder());
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}
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TEST_F(ATiffHeader, canBeWrittenAndItsSizeIs8Bytes)
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{
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DataBuf buffer = header.write();
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ASSERT_EQ(header.size(), buffer.size());
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ASSERT_EQ(8U, header.size());
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}
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TEST_F(ATiffHeader, readDataFromBufferWithCorrectSize)
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{
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ASSERT_TRUE(header.read(tiffLittleEndian, 8));
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}
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TEST_F(ATiffHeader, failToReadDataFromBufferWithCorrectSizeButNull)
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{
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ASSERT_FALSE(header.read(nullptr, 8));
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}
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TEST_F(ATiffHeader, failToReadDataFromBufferWithSizeDifferentThan8)
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{
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ASSERT_FALSE(header.read(nullptr, 7));
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ASSERT_FALSE(header.read(nullptr, 9));
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}
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TEST_F(ATiffHeader, failToReadDataFromBufferWithInvalidByteOrder)
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{
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static const byte bufferInvalidByteOrder[] = {0x88, 0x49, 0x2a, 0x00, 0x10, 0x00, 0x00, 0x00};
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ASSERT_FALSE(header.read(bufferInvalidByteOrder, 8));
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}
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TEST_F(ATiffHeader, failToReadDataFromBufferWithInvalidTag)
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{
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static const byte bufferInvalidTag[] = {0x49, 0x49, 0x29, 0x00, 0x10, 0x00, 0x00, 0x00};
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ASSERT_FALSE(header.read(bufferInvalidTag, 8));
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}
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TEST_F(ATiffHeader, printsDefaultValues)
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{
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std::ostringstream str;
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header.print(str, "");
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ASSERT_STREQ("TIFF header, offset = 0x00000008, little endian encoded\n", str.str().c_str());
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}
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