From: Nick Terrell <terrelln@fb.com>
Date: Fri, 12 Jan 2018 00:45:16 +0000 (-0800)
Subject: Add test for cdict window log adjustment
X-Git-Tag: v1.3.4~1^2~86^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F983%2Fhead;p=thirdparty%2Fzstd.git

Add test for cdict window log adjustment
---

diff --git a/tests/fuzzer.c b/tests/fuzzer.c
index 024a583ba..21d7d21a3 100644
--- a/tests/fuzzer.c
+++ b/tests/fuzzer.c
@@ -1206,6 +1206,28 @@ static int basicUnitTests(U32 seed, double compressibility)
     if (strcmp("No error detected", ZSTD_getErrorName(ZSTD_error_GENERIC)) != 0) goto _output_error;
     DISPLAYLEVEL(4, "OK \n");
 
+    DISPLAYLEVEL(4, "test%3i : testing ZSTD dictionary sizes : ", testNb++);
+    RDG_genBuffer(CNBuffer, CNBuffSize, compressibility, 0., seed);
+    {
+        size_t const size = MIN(128 KB, CNBuffSize);
+        ZSTD_CCtx* const cctx = ZSTD_createCCtx();
+        ZSTD_CDict* const lgCDict = ZSTD_createCDict(CNBuffer, size, 1);
+        ZSTD_CDict* const smCDict = ZSTD_createCDict(CNBuffer, 1 KB, 1);
+        ZSTD_frameHeader lgHeader;
+        ZSTD_frameHeader smHeader;
+
+        CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, lgCDict));
+        CHECK_Z(ZSTD_getFrameHeader(&lgHeader, compressedBuffer, compressedBufferSize));
+        CHECK_Z(ZSTD_compress_usingCDict(cctx, compressedBuffer, compressedBufferSize, CNBuffer, size, smCDict));
+        CHECK_Z(ZSTD_getFrameHeader(&smHeader, compressedBuffer, compressedBufferSize));
+
+        if (lgHeader.windowSize != smHeader.windowSize) goto _output_error;
+
+        ZSTD_freeCDict(smCDict);
+        ZSTD_freeCDict(lgCDict);
+        ZSTD_freeCCtx(cctx);
+    }
+
 _end:
     free(CNBuffer);
     free(compressedBuffer);