/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include #include #include #include #include #include namespace { // Sample text for compression constexpr const char* DUMMY_TEXT = "Lorem ipsum dolor sit amet, consectetur adipiscing elit,\n" "sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.\n" "Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea " "commodo consequat.\n"; constexpr auto DUMMY_SIZE = std::char_traits::length(DUMMY_TEXT); class ZCodecTest : public CppUnit::TestFixture { private: void testGzCompressDecompress(); void testMakeDummyFile(); void testZlibCompressDecompress(); CPPUNIT_TEST_SUITE(ZCodecTest); CPPUNIT_TEST(testMakeDummyFile); CPPUNIT_TEST(testGzCompressDecompress); CPPUNIT_TEST(testZlibCompressDecompress); CPPUNIT_TEST_SUITE_END(); }; // Creates a stream from DUMMY_TEXT to compress and decompress std::unique_ptr makeDummyFile() { SvMemoryStream* pRet = new SvMemoryStream(); pRet->WriteBytes(DUMMY_TEXT, DUMMY_SIZE); return std::unique_ptr(pRet); } // Test that the stream generated from makeDummyFile is valid void ZCodecTest::testMakeDummyFile() { auto pStream = makeDummyFile(); // Check for null CPPUNIT_ASSERT_MESSAGE("pStream is null", pStream); decltype(DUMMY_SIZE) size = pStream->GetSize(); // Check size CPPUNIT_ASSERT_EQUAL(DUMMY_SIZE, size); } // Test that ZCodec::Compress and ZCodec::Decompress work for gzlib = true // Compares the CRC32 checksum of the initial stream and the compressed->decompressed stream void ZCodecTest::testGzCompressDecompress() { auto pInitialStream = makeDummyFile(); SvMemoryStream pCompressedStream; SvMemoryStream pDecompressedStream; auto nInitialStreamCRC32 = rtl_crc32(0, pInitialStream->GetData(), pInitialStream->GetSize()); ZCodec aCodec; aCodec.BeginCompression(ZCODEC_DEFAULT_COMPRESSION, true); // Set compression metadata for compressing a GZ file aCodec.SetCompressionMetadata("dummy.txt"_ostr, 0, nInitialStreamCRC32); aCodec.Compress(*pInitialStream, pCompressedStream); auto nCompressedSize = aCodec.EndCompression(); // returns compressed size or -1 if compression failed // Check that the compression succeeded CPPUNIT_ASSERT_GREATER(static_cast(0), nCompressedSize); // No need to Seek(0) here because ZCodec::InitDecompress does that already for gz aCodec.BeginCompression(ZCODEC_DEFAULT_COMPRESSION, true); aCodec.Decompress(pCompressedStream, pDecompressedStream); auto nDecompressedSize = aCodec.EndCompression(); // returns decompressed size or -1 if decompression failed // Check that the decompressed text size is equal to the original CPPUNIT_ASSERT_EQUAL(static_cast(DUMMY_SIZE), nDecompressedSize); auto nCompressedDecompressedStreamCRC32 = rtl_crc32(0, pDecompressedStream.GetData(), pDecompressedStream.GetSize()); // Check that the initial and decompressed CRC32 checksums are the same -> gz (de)compression works CPPUNIT_ASSERT_EQUAL(nInitialStreamCRC32, nCompressedDecompressedStreamCRC32); } // Test that ZCodec::Compress and ZCodec::Decompress work for gzlib = false // Compares the CRC32 checksum of the initial stream and the compressed->decompressed stream void ZCodecTest::testZlibCompressDecompress() { auto pInitialStream = makeDummyFile(); SvMemoryStream pCompressedStream; SvMemoryStream pDecompressedStream; auto nInitialStreamCRC32 = rtl_crc32(0, pInitialStream->GetData(), pInitialStream->GetSize()); ZCodec aCodec; aCodec.BeginCompression(ZCODEC_DEFAULT_COMPRESSION, false); aCodec.Compress(*pInitialStream, pCompressedStream); auto nCompressedSize = aCodec.EndCompression(); // returns compressed size or -1 if compression failed // Check that the compression succeeded CPPUNIT_ASSERT_GREATER(static_cast(0), nCompressedSize); pCompressedStream.Seek(0); aCodec.BeginCompression(ZCODEC_DEFAULT_COMPRESSION, false); aCodec.Decompress(pCompressedStream, pDecompressedStream); auto nDecompressedSize = aCodec.EndCompression(); // returns decompressed size or -1 if decompression failed // Check that the decompressed text size is equal to the original CPPUNIT_ASSERT_EQUAL(static_cast(DUMMY_SIZE), nDecompressedSize); auto nCompressedDecompressedStreamCRC32 = rtl_crc32(0, pDecompressedStream.GetData(), pDecompressedStream.GetSize()); // Check that the initial and decompressed CRC32 checksums are the same -> zlib (de)compression works CPPUNIT_ASSERT_EQUAL(nInitialStreamCRC32, nCompressedDecompressedStreamCRC32); } } // namespace CPPUNIT_TEST_SUITE_REGISTRATION(ZCodecTest); /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ /lov-6.0.5'>distro/collabora/lov-6.0.5 LibreOffice 核心代码仓库文档基金会

path: root/lingucomponent/Library_lnth.mk

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