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57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <gtest/gtest.h>
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#include <sstream>
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#include <tiffimage_int.hpp>
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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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public:
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Internal::TiffHeader header;
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};
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TEST_F(ATiffHeader, hasExpectedValuesAfterCreation) {
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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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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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ASSERT_TRUE(header.read(tiffLittleEndian, 8));
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}
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TEST_F(ATiffHeader, failToReadDataFromBufferWithCorrectSizeButNull) {
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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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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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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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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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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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