From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 20:24:20 +0200 Subject: Adding upstream version 14.2.21. Signed-off-by: Daniel Baumann --- .../contrib/linux-kernel/test/UserlandTest.cpp | 565 +++++++++++++++++++++ 1 file changed, 565 insertions(+) create mode 100644 src/zstd/contrib/linux-kernel/test/UserlandTest.cpp (limited to 'src/zstd/contrib/linux-kernel/test/UserlandTest.cpp') diff --git a/src/zstd/contrib/linux-kernel/test/UserlandTest.cpp b/src/zstd/contrib/linux-kernel/test/UserlandTest.cpp new file mode 100644 index 00000000..03058382 --- /dev/null +++ b/src/zstd/contrib/linux-kernel/test/UserlandTest.cpp @@ -0,0 +1,565 @@ +extern "C" { +#include +} +#include +#include +#include +#include + +using namespace std; + +namespace { +struct WorkspaceDeleter { + void *memory; + + template void operator()(T const *) { free(memory); } +}; + +std::unique_ptr +createCCtx(ZSTD_compressionParameters cParams) { + size_t const workspaceSize = ZSTD_CCtxWorkspaceBound(cParams); + void *workspace = malloc(workspaceSize); + std::unique_ptr cctx{ + ZSTD_initCCtx(workspace, workspaceSize), WorkspaceDeleter{workspace}}; + if (!cctx) { + throw std::runtime_error{"Bad cctx"}; + } + return cctx; +} + +std::unique_ptr +createCCtx(int level, unsigned long long estimatedSrcSize = 0, + size_t dictSize = 0) { + auto const cParams = ZSTD_getCParams(level, estimatedSrcSize, dictSize); + return createCCtx(cParams); +} + +std::unique_ptr +createDCtx() { + size_t const workspaceSize = ZSTD_DCtxWorkspaceBound(); + void *workspace = malloc(workspaceSize); + std::unique_ptr dctx{ + ZSTD_initDCtx(workspace, workspaceSize), WorkspaceDeleter{workspace}}; + if (!dctx) { + throw std::runtime_error{"Bad dctx"}; + } + return dctx; +} + +std::unique_ptr +createCDict(std::string const& dict, ZSTD_parameters params) { + size_t const workspaceSize = ZSTD_CDictWorkspaceBound(params.cParams); + void *workspace = malloc(workspaceSize); + std::unique_ptr cdict{ + ZSTD_initCDict(dict.data(), dict.size(), params, workspace, + workspaceSize), + WorkspaceDeleter{workspace}}; + if (!cdict) { + throw std::runtime_error{"Bad cdict"}; + } + return cdict; +} + +std::unique_ptr +createCDict(std::string const& dict, int level) { + auto const params = ZSTD_getParams(level, 0, dict.size()); + return createCDict(dict, params); +} + +std::unique_ptr +createDDict(std::string const& dict) { + size_t const workspaceSize = ZSTD_DDictWorkspaceBound(); + void *workspace = malloc(workspaceSize); + std::unique_ptr ddict{ + ZSTD_initDDict(dict.data(), dict.size(), workspace, workspaceSize), + WorkspaceDeleter{workspace}}; + if (!ddict) { + throw std::runtime_error{"Bad ddict"}; + } + return ddict; +} + +std::unique_ptr +createCStream(ZSTD_parameters params, unsigned long long pledgedSrcSize = 0) { + size_t const workspaceSize = ZSTD_CStreamWorkspaceBound(params.cParams); + void *workspace = malloc(workspaceSize); + std::unique_ptr zcs{ + ZSTD_initCStream(params, pledgedSrcSize, workspace, workspaceSize)}; + if (!zcs) { + throw std::runtime_error{"bad cstream"}; + } + return zcs; +} + +std::unique_ptr +createCStream(ZSTD_compressionParameters cParams, ZSTD_CDict const &cdict, + unsigned long long pledgedSrcSize = 0) { + size_t const workspaceSize = ZSTD_CStreamWorkspaceBound(cParams); + void *workspace = malloc(workspaceSize); + std::unique_ptr zcs{ + ZSTD_initCStream_usingCDict(&cdict, pledgedSrcSize, workspace, + workspaceSize)}; + if (!zcs) { + throw std::runtime_error{"bad cstream"}; + } + return zcs; +} + +std::unique_ptr +createCStream(int level, unsigned long long pledgedSrcSize = 0) { + auto const params = ZSTD_getParams(level, pledgedSrcSize, 0); + return createCStream(params, pledgedSrcSize); +} + +std::unique_ptr +createDStream(size_t maxWindowSize = (1ULL << ZSTD_WINDOWLOG_MAX), + ZSTD_DDict const *ddict = nullptr) { + size_t const workspaceSize = ZSTD_DStreamWorkspaceBound(maxWindowSize); + void *workspace = malloc(workspaceSize); + std::unique_ptr zds{ + ddict == nullptr + ? ZSTD_initDStream(maxWindowSize, workspace, workspaceSize) + : ZSTD_initDStream_usingDDict(maxWindowSize, ddict, workspace, + workspaceSize)}; + if (!zds) { + throw std::runtime_error{"bad dstream"}; + } + return zds; +} + +std::string compress(ZSTD_CCtx &cctx, std::string const &data, + ZSTD_parameters params, std::string const &dict = "") { + std::string compressed; + compressed.resize(ZSTD_compressBound(data.size())); + size_t const rc = + dict.empty() + ? ZSTD_compressCCtx(&cctx, &compressed[0], compressed.size(), + data.data(), data.size(), params) + : ZSTD_compress_usingDict(&cctx, &compressed[0], compressed.size(), + data.data(), data.size(), dict.data(), + dict.size(), params); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"compression error"}; + } + compressed.resize(rc); + return compressed; +} + +std::string compress(ZSTD_CCtx& cctx, std::string const& data, int level, std::string const& dict = "") { + auto const params = ZSTD_getParams(level, 0, dict.size()); + return compress(cctx, data, params, dict); +} + +std::string decompress(ZSTD_DCtx& dctx, std::string const& compressed, size_t decompressedSize, std::string const& dict = "") { + std::string decompressed; + decompressed.resize(decompressedSize); + size_t const rc = + dict.empty() + ? ZSTD_decompressDCtx(&dctx, &decompressed[0], decompressed.size(), + compressed.data(), compressed.size()) + : ZSTD_decompress_usingDict( + &dctx, &decompressed[0], decompressed.size(), compressed.data(), + compressed.size(), dict.data(), dict.size()); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"decompression error"}; + } + decompressed.resize(rc); + return decompressed; +} + +std::string compress(ZSTD_CCtx& cctx, std::string const& data, ZSTD_CDict& cdict) { + std::string compressed; + compressed.resize(ZSTD_compressBound(data.size())); + size_t const rc = + ZSTD_compress_usingCDict(&cctx, &compressed[0], compressed.size(), + data.data(), data.size(), &cdict); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"compression error"}; + } + compressed.resize(rc); + return compressed; +} + +std::string decompress(ZSTD_DCtx& dctx, std::string const& compressed, size_t decompressedSize, ZSTD_DDict& ddict) { + std::string decompressed; + decompressed.resize(decompressedSize); + size_t const rc = + ZSTD_decompress_usingDDict(&dctx, &decompressed[0], decompressed.size(), + compressed.data(), compressed.size(), &ddict); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"decompression error"}; + } + decompressed.resize(rc); + return decompressed; +} + +std::string compress(ZSTD_CStream& zcs, std::string const& data) { + std::string compressed; + compressed.resize(ZSTD_compressBound(data.size())); + ZSTD_inBuffer in = {data.data(), data.size(), 0}; + ZSTD_outBuffer out = {&compressed[0], compressed.size(), 0}; + while (in.pos != in.size) { + size_t const rc = ZSTD_compressStream(&zcs, &out, &in); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"compress stream failed"}; + } + } + size_t const rc = ZSTD_endStream(&zcs, &out); + if (rc != 0) { + throw std::runtime_error{"compress end failed"}; + } + compressed.resize(out.pos); + return compressed; +} + +std::string decompress(ZSTD_DStream &zds, std::string const &compressed, + size_t decompressedSize) { + std::string decompressed; + decompressed.resize(decompressedSize); + ZSTD_inBuffer in = {compressed.data(), compressed.size(), 0}; + ZSTD_outBuffer out = {&decompressed[0], decompressed.size(), 0}; + while (in.pos != in.size) { + size_t const rc = ZSTD_decompressStream(&zds, &out, &in); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"decompress stream failed"}; + } + } + decompressed.resize(out.pos); + return decompressed; +} + +std::string makeData(size_t size) { + std::string result; + result.reserve(size + 20); + while (result.size() < size) { + result += "Hello world"; + } + return result; +} + +std::string const kData = "Hello world"; +std::string const kPlainDict = makeData(10000); +std::string const kZstdDict{ + "\x37\xA4\x30\xEC\x99\x69\x58\x1C\x21\x10\xD8\x4A\x84\x01\xCC\xF3" + "\x3C\xCF\x9B\x25\xBB\xC9\x6E\xB2\x9B\xEC\x26\xAD\xCF\xDF\x4E\xCD" + "\xF3\x2C\x3A\x21\x84\x10\x42\x08\x21\x01\x33\xF1\x78\x3C\x1E\x8F" + "\xC7\xE3\xF1\x78\x3C\xCF\xF3\xBC\xF7\xD4\x42\x41\x41\x41\x41\x41" + "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" + "\x41\x41\x41\x41\xA1\x50\x28\x14\x0A\x85\x42\xA1\x50\x28\x14\x0A" + "\x85\xA2\x28\x8A\xA2\x28\x4A\x29\x7D\x74\xE1\xE1\xE1\xE1\xE1\xE1" + "\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xE1\xF1\x78\x3C" + "\x1E\x8F\xC7\xE3\xF1\x78\x9E\xE7\x79\xEF\x01\x01\x00\x00\x00\x04" + "\x00\x00\x00\x08\x00\x00\x00" + "0123456789", + 161}; +} + +TEST(Block, CCtx) { + auto cctx = createCCtx(1); + auto const compressed = compress(*cctx, kData, 1); + auto dctx = createDCtx(); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); +} + +TEST(Block, NoContentSize) { + auto cctx = createCCtx(1); + auto const c = compress(*cctx, kData, 1); + auto const size = ZSTD_findDecompressedSize(c.data(), c.size()); + EXPECT_EQ(ZSTD_CONTENTSIZE_UNKNOWN, size); +} + +TEST(Block, ContentSize) { + auto cctx = createCCtx(1); + auto params = ZSTD_getParams(1, 0, 0); + params.fParams.contentSizeFlag = 1; + auto const c = compress(*cctx, kData, params); + auto const size = ZSTD_findDecompressedSize(c.data(), c.size()); + EXPECT_EQ(kData.size(), size); +} + +TEST(Block, CCtxLevelIncrease) { + std::string c; + auto cctx = createCCtx(22); + auto dctx = createDCtx(); + for (int level = 1; level <= 22; ++level) { + auto compressed = compress(*cctx, kData, level); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } +} + +TEST(Block, PlainDict) { + auto cctx = createCCtx(1); + auto const compressed = compress(*cctx, kData, 1, kPlainDict); + auto dctx = createDCtx(); + EXPECT_ANY_THROW(decompress(*dctx, compressed, kData.size())); + auto const decompressed = + decompress(*dctx, compressed, kData.size(), kPlainDict); + EXPECT_EQ(kData, decompressed); +} + +TEST(Block, ZstdDict) { + auto cctx = createCCtx(1); + auto const compressed = compress(*cctx, kData, 1, kZstdDict); + auto dctx = createDCtx(); + EXPECT_ANY_THROW(decompress(*dctx, compressed, kData.size())); + auto const decompressed = + decompress(*dctx, compressed, kData.size(), kZstdDict); + EXPECT_EQ(kData, decompressed); +} + +TEST(Block, PreprocessedPlainDict) { + auto cctx = createCCtx(1); + auto const cdict = createCDict(kPlainDict, 1); + auto const compressed = compress(*cctx, kData, *cdict); + auto dctx = createDCtx(); + auto const ddict = createDDict(kPlainDict); + EXPECT_ANY_THROW(decompress(*dctx, compressed, kData.size())); + auto const decompressed = + decompress(*dctx, compressed, kData.size(), *ddict); + EXPECT_EQ(kData, decompressed); +} + +TEST(Block, PreprocessedZstdDict) { + auto cctx = createCCtx(1); + auto const cdict = createCDict(kZstdDict, 1); + auto const compressed = compress(*cctx, kData, *cdict); + auto dctx = createDCtx(); + auto const ddict = createDDict(kZstdDict); + EXPECT_ANY_THROW(decompress(*dctx, compressed, kData.size())); + auto const decompressed = + decompress(*dctx, compressed, kData.size(), *ddict); + EXPECT_EQ(kData, decompressed); +} + +TEST(Block, ReinitializeCCtx) { + auto cctx = createCCtx(1); + { + auto const compressed = compress(*cctx, kData, 1); + auto dctx = createDCtx(); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } + // Create the cctx with the same memory + auto d = cctx.get_deleter(); + auto raw = cctx.release(); + auto params = ZSTD_getParams(1, 0, 0); + cctx.reset( + ZSTD_initCCtx(d.memory, ZSTD_CCtxWorkspaceBound(params.cParams))); + // Repeat + { + auto const compressed = compress(*cctx, kData, 1); + auto dctx = createDCtx(); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } +} + +TEST(Block, ReinitializeDCtx) { + auto dctx = createDCtx(); + { + auto cctx = createCCtx(1); + auto const compressed = compress(*cctx, kData, 1); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } + // Create the cctx with the same memory + auto d = dctx.get_deleter(); + auto raw = dctx.release(); + dctx.reset(ZSTD_initDCtx(d.memory, ZSTD_DCtxWorkspaceBound())); + // Repeat + { + auto cctx = createCCtx(1); + auto const compressed = compress(*cctx, kData, 1); + auto dctx = createDCtx(); + auto const decompressed = decompress(*dctx, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } +} + +TEST(Stream, Basic) { + auto zcs = createCStream(1); + auto const compressed = compress(*zcs, kData); + auto zds = createDStream(); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); +} + +TEST(Stream, PlainDict) { + auto params = ZSTD_getParams(1, kData.size(), kPlainDict.size()); + params.cParams.windowLog = 17; + auto cdict = createCDict(kPlainDict, params); + auto zcs = createCStream(params.cParams, *cdict, kData.size()); + auto const compressed = compress(*zcs, kData); + auto const contentSize = + ZSTD_findDecompressedSize(compressed.data(), compressed.size()); + EXPECT_ANY_THROW(decompress(*createDStream(), compressed, kData.size())); + auto ddict = createDDict(kPlainDict); + auto zds = createDStream(1 << 17, ddict.get()); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); +} + +TEST(Stream, ZstdDict) { + auto params = ZSTD_getParams(1, 0, 0); + params.cParams.windowLog = 17; + auto cdict = createCDict(kZstdDict, 1); + auto zcs = createCStream(params.cParams, *cdict); + auto const compressed = compress(*zcs, kData); + EXPECT_ANY_THROW(decompress(*createDStream(), compressed, kData.size())); + auto ddict = createDDict(kZstdDict); + auto zds = createDStream(1 << 17, ddict.get()); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); +} + +TEST(Stream, ResetCStream) { + auto zcs = createCStream(1); + auto zds = createDStream(); + { + auto const compressed = compress(*zcs, kData); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } + { + ZSTD_resetCStream(zcs.get(), 0); + auto const compressed = compress(*zcs, kData); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } +} + +TEST(Stream, ResetDStream) { + auto zcs = createCStream(1); + auto zds = createDStream(); + auto const compressed = compress(*zcs, kData); + EXPECT_ANY_THROW(decompress(*zds, kData, kData.size())); + EXPECT_ANY_THROW(decompress(*zds, compressed, kData.size())); + ZSTD_resetDStream(zds.get()); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); +} + +TEST(Stream, Flush) { + auto zcs = createCStream(1); + auto zds = createDStream(); + std::string compressed; + { + compressed.resize(ZSTD_compressBound(kData.size())); + ZSTD_inBuffer in = {kData.data(), kData.size(), 0}; + ZSTD_outBuffer out = {&compressed[0], compressed.size(), 0}; + while (in.pos != in.size) { + size_t const rc = ZSTD_compressStream(zcs.get(), &out, &in); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"compress stream failed"}; + } + } + EXPECT_EQ(0, out.pos); + size_t const rc = ZSTD_flushStream(zcs.get(), &out); + if (rc != 0) { + throw std::runtime_error{"compress end failed"}; + } + compressed.resize(out.pos); + EXPECT_LT(0, out.pos); + } + std::string decompressed; + { + decompressed.resize(kData.size()); + ZSTD_inBuffer in = {compressed.data(), compressed.size(), 0}; + ZSTD_outBuffer out = {&decompressed[0], decompressed.size(), 0}; + while (in.pos != in.size) { + size_t const rc = ZSTD_decompressStream(zds.get(), &out, &in); + if (ZSTD_isError(rc)) { + throw std::runtime_error{"decompress stream failed"}; + } + } + } + EXPECT_EQ(kData, decompressed); +} + +TEST(Stream, DStreamLevelIncrease) { + auto zds = createDStream(); + for (int level = 1; level <= 22; ++level) { + auto zcs = createCStream(level); + auto compressed = compress(*zcs, kData); + ZSTD_resetDStream(zds.get()); + auto const decompressed = decompress(*zds, compressed, kData.size()); + EXPECT_EQ(kData, decompressed); + } +} + +#define TEST_SYMBOL(symbol) \ + do { \ + extern void *__##symbol; \ + EXPECT_NE((void *)0, __##symbol); \ + } while (0) + +TEST(API, Symbols) { + TEST_SYMBOL(ZSTD_CCtxWorkspaceBound); + TEST_SYMBOL(ZSTD_initCCtx); + TEST_SYMBOL(ZSTD_compressCCtx); + TEST_SYMBOL(ZSTD_compress_usingDict); + TEST_SYMBOL(ZSTD_DCtxWorkspaceBound); + TEST_SYMBOL(ZSTD_initDCtx); + TEST_SYMBOL(ZSTD_decompressDCtx); + TEST_SYMBOL(ZSTD_decompress_usingDict); + + TEST_SYMBOL(ZSTD_CDictWorkspaceBound); + TEST_SYMBOL(ZSTD_initCDict); + TEST_SYMBOL(ZSTD_compress_usingCDict); + TEST_SYMBOL(ZSTD_DDictWorkspaceBound); + TEST_SYMBOL(ZSTD_initDDict); + TEST_SYMBOL(ZSTD_decompress_usingDDict); + + TEST_SYMBOL(ZSTD_CStreamWorkspaceBound); + TEST_SYMBOL(ZSTD_initCStream); + TEST_SYMBOL(ZSTD_initCStream_usingCDict); + TEST_SYMBOL(ZSTD_resetCStream); + TEST_SYMBOL(ZSTD_compressStream); + TEST_SYMBOL(ZSTD_flushStream); + TEST_SYMBOL(ZSTD_endStream); + TEST_SYMBOL(ZSTD_CStreamInSize); + TEST_SYMBOL(ZSTD_CStreamOutSize); + TEST_SYMBOL(ZSTD_DStreamWorkspaceBound); + TEST_SYMBOL(ZSTD_initDStream); + TEST_SYMBOL(ZSTD_initDStream_usingDDict); + TEST_SYMBOL(ZSTD_resetDStream); + TEST_SYMBOL(ZSTD_decompressStream); + TEST_SYMBOL(ZSTD_DStreamInSize); + TEST_SYMBOL(ZSTD_DStreamOutSize); + + TEST_SYMBOL(ZSTD_findFrameCompressedSize); + TEST_SYMBOL(ZSTD_getFrameContentSize); + TEST_SYMBOL(ZSTD_findDecompressedSize); + + TEST_SYMBOL(ZSTD_getCParams); + TEST_SYMBOL(ZSTD_getParams); + TEST_SYMBOL(ZSTD_checkCParams); + TEST_SYMBOL(ZSTD_adjustCParams); + + TEST_SYMBOL(ZSTD_isFrame); + TEST_SYMBOL(ZSTD_getDictID_fromDict); + TEST_SYMBOL(ZSTD_getDictID_fromDDict); + TEST_SYMBOL(ZSTD_getDictID_fromFrame); + + TEST_SYMBOL(ZSTD_compressBegin); + TEST_SYMBOL(ZSTD_compressBegin_usingDict); + TEST_SYMBOL(ZSTD_compressBegin_advanced); + TEST_SYMBOL(ZSTD_copyCCtx); + TEST_SYMBOL(ZSTD_compressBegin_usingCDict); + TEST_SYMBOL(ZSTD_compressContinue); + TEST_SYMBOL(ZSTD_compressEnd); + TEST_SYMBOL(ZSTD_getFrameParams); + TEST_SYMBOL(ZSTD_decompressBegin); + TEST_SYMBOL(ZSTD_decompressBegin_usingDict); + TEST_SYMBOL(ZSTD_copyDCtx); + TEST_SYMBOL(ZSTD_nextSrcSizeToDecompress); + TEST_SYMBOL(ZSTD_decompressContinue); + TEST_SYMBOL(ZSTD_nextInputType); + + TEST_SYMBOL(ZSTD_getBlockSizeMax); + TEST_SYMBOL(ZSTD_compressBlock); + TEST_SYMBOL(ZSTD_decompressBlock); + TEST_SYMBOL(ZSTD_insertBlock); +} -- cgit v1.2.3