diff options
Diffstat (limited to 'tests/fasttest.c')
-rw-r--r-- | tests/fasttest.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/tests/fasttest.c b/tests/fasttest.c deleted file mode 100644 index a165293..0000000 --- a/tests/fasttest.c +++ /dev/null @@ -1,131 +0,0 @@ -/************************************** - * Compiler Options - **************************************/ -#ifdef _MSC_VER /* Visual Studio */ -# define _CRT_SECURE_NO_WARNINGS // for MSVC -# define snprintf sprintf_s -#endif -#ifdef __GNUC__ -# pragma GCC diagnostic ignored "-Wmissing-braces" /* GCC bug 53119 : doesn't accept { 0 } as initializer (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119) */ -#endif - - -/************************************** - * Includes - **************************************/ -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include "lz4.h" - - -/* Returns non-zero on failure. */ -int test_compress(const char *input, int inSize, char *output, int outSize) -{ - LZ4_stream_t lz4Stream_body = { 0 }; - LZ4_stream_t* lz4Stream = &lz4Stream_body; - - int inOffset = 0; - int outOffset = 0; - - if (inSize & 3) return -1; - - while (inOffset < inSize) { - const int length = inSize >> 2; - if (inSize > 1024) return -2; - if (outSize - (outOffset + 8) < LZ4_compressBound(length)) return -3; - { - const int outBytes = LZ4_compress_fast_continue( - lz4Stream, input + inOffset, output + outOffset + 8, length, outSize-outOffset, 1); - if(outBytes <= 0) return -4; - memcpy(output + outOffset, &length, 4); /* input length */ - memcpy(output + outOffset + 4, &outBytes, 4); /* output length */ - inOffset += length; - outOffset += outBytes + 8; - } - } - if (outOffset + 8 > outSize) return -5; - memset(output + outOffset, 0, 4); - memset(output + outOffset + 4, 0, 4); - return 0; -} - -/* Returns non-zero on failure. Not a safe function. */ -int test_decompress(const char *uncompressed, const char *compressed) -{ - char outBufferA[1024]; - char spacing; /* So prefixEnd != dest */ - char outBufferB[1024]; - char *output = outBufferA; - char *lastOutput = outBufferB; - LZ4_streamDecode_t lz4StreamDecode_body = { 0 }; - LZ4_streamDecode_t* lz4StreamDecode = &lz4StreamDecode_body; - int offset = 0; - int unOffset = 0; - int lastBytes = 0; - - (void)spacing; - - for(;;) { - int32_t bytes; - int32_t unBytes; - /* Read uncompressed size and compressed size */ - memcpy(&unBytes, compressed + offset, 4); - memcpy(&bytes, compressed + offset + 4, 4); - offset += 8; - /* Check if we reached end of stream or error */ - if(bytes == 0 && unBytes == 0) return 0; - if(bytes <= 0 || unBytes <= 0 || unBytes > 1024) return 1; - - /* Put the last output in the dictionary */ - LZ4_setStreamDecode(lz4StreamDecode, lastOutput, lastBytes); - /* Decompress */ - bytes = LZ4_decompress_fast_continue( - lz4StreamDecode, compressed + offset, output, unBytes); - if(bytes <= 0) return 2; - /* Check result */ - { int const r = memcmp(uncompressed + unOffset, output, unBytes); - if (r) return 3; - } - { char* const tmp = output; output = lastOutput; lastOutput = tmp; } - offset += bytes; - unOffset += unBytes; - lastBytes = unBytes; - } -} - - -int main(int argc, char **argv) -{ - char input[] = - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello!" - "Hello Hello Hello Hello Hello Hello Hello Hello"; - char output[LZ4_COMPRESSBOUND(4096)]; - int r; - - (void)argc; - (void)argv; - - if ((r = test_compress(input, sizeof(input), output, sizeof(output)))) { - return r; - } - if ((r = test_decompress(input, output))) { - return r; - } - return 0; -} |