From af3d9c506e5bbfdbf78ce35fe62501c4ae0e19a7 Mon Sep 17 00:00:00 2001 From: Yann Collet Date: Wed, 26 Jan 2022 10:30:33 -0800 Subject: [PATCH] added streaming test starting from non-0 pos --- tests/zstreamtest.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/tests/zstreamtest.c b/tests/zstreamtest.c index e084924b2..a88ba7ac8 100644 --- a/tests/zstreamtest.c +++ b/tests/zstreamtest.c @@ -878,10 +878,11 @@ static int basicUnitTests(U32 seed, double compressibility) CHECK_Z( ZSTD_CCtx_setParameter(cctx, ZSTD_c_stableInBuffer, 1) ); { ZSTD_inBuffer inBuf; ZSTD_outBuffer outBuf; + const size_t nonZeroStartPos = 18; const size_t inputSize = 500; inBuf.src = CNBuffer; inBuf.size = 100; - inBuf.pos = 0; + inBuf.pos = nonZeroStartPos; outBuf.dst = (char*)(compressedBuffer)+cSize; outBuf.size = ZSTD_compressBound(inputSize); outBuf.pos = 0; @@ -889,14 +890,15 @@ static int basicUnitTests(U32 seed, double compressibility) inBuf.size = 200; CHECK_Z( ZSTD_compressStream(cctx, &outBuf, &inBuf) ); CHECK_Z( ZSTD_flushStream(cctx, &outBuf) ); - inBuf.size = inputSize; + inBuf.size = nonZeroStartPos + inputSize; CHECK_Z( ZSTD_compressStream(cctx, &outBuf, &inBuf) ); CHECK(ZSTD_endStream(cctx, &outBuf) != 0, "compression should be successful and fully flushed"); - { void* const verifBuf = (char*)outBuf.dst + outBuf.pos; + { const void* const realSrcStart = (const char*)inBuf.src + nonZeroStartPos; + void* const verifBuf = (char*)outBuf.dst + outBuf.pos; const size_t decSize = ZSTD_decompress(verifBuf, inputSize, outBuf.dst, outBuf.pos); CHECK_Z(decSize); CHECK(decSize != inputSize, "regenerated %zu bytes, instead of %zu", decSize, inputSize); - CHECK(memcmp(inBuf.src, verifBuf, inputSize) != 0, "regenerated data different from original"); + CHECK(memcmp(realSrcStart, verifBuf, inputSize) != 0, "regenerated data different from original"); } } DISPLAYLEVEL(3, "OK \n"); -- 2.47.2