ddidderr/zstd-rs
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added capability to generate magic-less frames

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decoder not implemented yet
This commit is contained in:
Yann Collet
2017-09-25 14:26:26 -07:00
parent 96f0cde31a
commit 62568c9a42
7 changed files with 172 additions and 51 deletions
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tests/fuzzer.c
+38 -1
View File
@@ -918,6 +918,43 @@ static int basicUnitTests(U32 seed, double compressibility)
ZSTD_freeCCtx(cctx);
}
/* custom formats tests */
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
static const size_t inputSize = CNBuffSize / 2; /* won't cause pb with small dict size */
/* basic block compression */
DISPLAYLEVEL(4, "test%3i : magic-less format test : ", testNb++);
CHECK( ZSTD_CCtx_setParameter(cctx, ZSTD_p_format, ZSTD_f_zstd1_magicless) );
{ ZSTD_inBuffer in = { CNBuffer, inputSize, 0 };
ZSTD_outBuffer out = { compressedBuffer, ZSTD_compressBound(inputSize), 0 };
size_t const result = ZSTD_compress_generic(cctx, &out, &in, ZSTD_e_end);
if (result != 0) goto _output_error;
if (in.pos != in.size) goto _output_error;
cSize = out.pos;
}
DISPLAYLEVEL(4, "OK (compress : %u -> %u bytes)\n", (U32)inputSize, (U32)cSize);
DISPLAYLEVEL(4, "test%3i : decompress normally (should fail) : ", testNb++);
{ size_t const decodeResult = ZSTD_decompressDCtx(dctx, decodedBuffer, CNBuffSize, compressedBuffer, cSize);
if (ZSTD_getErrorCode(decodeResult) != ZSTD_error_prefix_unknown) goto _output_error;
DISPLAYLEVEL(4, "OK : %s \n", ZSTD_getErrorName(decodeResult));
}
DISPLAYLEVEL(4, "test%3i : decompress with magic-less instruction : ", testNb++);
CHECK( ZSTD_initDStream(dctx) );
CHECK( ZSTD_DCtx_setFormat(dctx, ZSTD_f_zstd1_magicless) );
{ ZSTD_inBuffer in = { compressedBuffer, cSize, 0 };
ZSTD_outBuffer out = { decodedBuffer, CNBuffSize, 0 };
size_t const result = ZSTD_decompressStream(dctx, &out, &in);
if (result != 0) goto _output_error;
if (in.pos != in.size) goto _output_error;
if (out.pos != inputSize) goto _output_error;
DISPLAYLEVEL(4, "OK : regenerated %u bytes \n", (U32)out.pos);
}
ZSTD_freeCCtx(cctx);
}
/* block API tests */
{ ZSTD_CCtx* const cctx = ZSTD_createCCtx();
static const size_t dictSize = 65 KB;
@@ -961,8 +998,8 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(4, "OK \n");
ZSTD_freeCCtx(cctx);
ZSTD_freeDCtx(dctx);
}
ZSTD_freeDCtx(dctx);
/* long rle test */
{ size_t sampleSize = 0;
tests/playTests.sh
+5 -1
View File
@@ -45,7 +45,6 @@ then
fi
isWindows=false
ECHO="echo -e"
INTOVOID="/dev/null"
case "$OS" in
Windows*)
@@ -66,6 +65,11 @@ case "$UNAME" in
SunOS) DIFF="gdiff" ;;
esac
ECHO="echo -e"
case "$UNAME" in
Darwin) ECHO="echo" ;;
esac
$ECHO "\nStarting playTests.sh isWindows=$isWindows ZSTD='$ZSTD'"
[ -n "$ZSTD" ] || die "ZSTD variable must be defined!"