--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/compressionlibs/ziplib/test/rtest/ezexample/ezexample.cpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,553 @@
+/* Portions Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ */
+
+/* ezexample.c -- usage example of the zlib compression library
+ * Copyright (C) 1995-1998 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* @(#) $Id$ */
+
+#include <stdio.h>
+#include <ezlib.h>
+#include <e32test.h>
+
+static RTest test(_L("ezexample.exe"));
+
+_LIT(KTestTitle, "Open Source Library Defect Tests.");
+
+#ifdef STDC
+# include <string.h>
+# include <stdlib.h>
+#else
+ extern void exit OF((int));
+#endif
+
+#if defined(VMS) || defined(RISCOS)
+# define TESTFILE "foo-gz"
+#else
+# define TESTFILE "foo.gz"
+#endif
+
+/* Test macro and function */
+void Check(TInt aValue, TInt aExpected, TInt aLine)
+ {
+ if (aValue != aExpected)
+ {
+ test.Printf(_L("*** Expected error: %d, got: %d\r\n"), aExpected, aValue);
+ test.operator()(EFalse, aLine);
+ }
+ }
+#define test2(a, b) Check(a, b, __LINE__)
+
+const char hello[] = "hello, hello!";
+/* "hello world" would be more standard, but the repeated "hello"
+ * stresses the compression code better, sorry...
+ */
+
+const char dictionary[] = "hello";
+uLong dictId; /* Adler32 value of the dictionary */
+
+void test_compress OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void test_deflate OF((Byte *compr, uLong comprLen));
+void test_inflate OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void test_large_deflate OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void test_large_inflate OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void test_flush OF((Byte *compr, uLong *comprLen));
+void test_sync OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void test_dict_deflate OF((Byte *compr, uLong comprLen));
+void test_dict_inflate OF((Byte *compr, uLong comprLen,
+ Byte *uncompr, uLong uncomprLen));
+void PrintString(TRefByValue<const TDesC> aFmt, char* string);
+void RunTest();
+
+/**
+Test compress() and uncompress()
+
+@SYMTestCaseID SYSLIB-EZLIB-CT-0820-0001
+@SYMTestCaseDesc Compression and decompression of a buffer test.
+@SYMTestPriority High
+@SYMTestActions Compress and uncompress string "hello" and check for integrity of the operation done.
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_compress(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L("test_compress"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0820-0001 "));
+ int err;
+ uLong len = strlen(hello)+1;
+
+ err = compress(compr, &comprLen, (const Bytef*)hello, len);
+ test2(err, Z_OK);
+
+ strcpy((char*)uncompr, "garbage");
+
+ err = uncompress(uncompr, &uncomprLen, compr, comprLen);
+ test2(err, Z_OK);
+
+ test2(strcmp((char*)uncompr, hello), 0); /* Fails if bad uncompress */
+
+ PrintString(_L("uncompress(): %S\n"), (char*)uncompr);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0821-0001
+@SYMTestCaseDesc Read and write of .gz files test
+@SYMTestPriority High
+@SYMTestActions Tests deflate() with small buffers
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_deflate(
+ Byte *compr,
+ uLong comprLen)
+{
+ test.Next(_L("test_deflate"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0821-0001 "));
+ z_stream c_stream; /* compression stream */
+ int err;
+ int len = strlen(hello)+1;
+
+ c_stream.zalloc = (alloc_func)0;
+ c_stream.zfree = (free_func)0;
+ c_stream.opaque = (voidpf)0;
+
+ err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
+ test2(err, Z_OK);
+
+ c_stream.next_in = (Bytef*)hello;
+ c_stream.next_out = compr;
+
+ while (c_stream.total_in != (uLong)len && c_stream.total_out < comprLen) {
+ c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */
+ err = deflate(&c_stream, Z_NO_FLUSH);
+ test2(err, Z_OK);
+ }
+ /* Finish the stream, still forcing small buffers: */
+ for (;;) {
+ c_stream.avail_out = 1;
+ err = deflate(&c_stream, Z_FINISH);
+ if (err == Z_STREAM_END) break;
+ test2(err, Z_OK);
+ }
+
+ err = deflateEnd(&c_stream);
+ test2(err, Z_OK);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0822-0001
+@SYMTestCaseDesc Read and write of .gz files test
+@SYMTestPriority High
+@SYMTestActions Tests inflate() with small buffers
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_inflate(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L("test_inflate"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0822-0001 "));
+ int err;
+ z_stream d_stream; /* decompression stream */
+
+ strcpy((char*)uncompr, "garbage");
+
+ d_stream.zalloc = (alloc_func)0;
+ d_stream.zfree = (free_func)0;
+ d_stream.opaque = (voidpf)0;
+
+ d_stream.next_in = compr;
+ d_stream.avail_in = 0;
+ d_stream.next_out = uncompr;
+
+ err = inflateInit(&d_stream);
+ test2(err, Z_OK);
+
+ while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) {
+ d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
+ err = inflate(&d_stream, Z_NO_FLUSH);
+ if (err == Z_STREAM_END) break;
+ test2(err, Z_OK);
+ }
+
+ err = inflateEnd(&d_stream);
+ test2(err, Z_OK);
+
+ test2(strcmp((char*)uncompr, hello), 0); /* Fails if bad inflate */
+
+ PrintString(_L("inflate(): %S\n"), (char*)uncompr);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0823-0001
+@SYMTestCaseDesc Deflate with large buffers test
+@SYMTestPriority High
+@SYMTestActions Test deflate() with large buffers and dynamic change of compression level
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_large_deflate(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L("test_large_deflate"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0823-0001 "));
+ z_stream c_stream; /* compression stream */
+ int err;
+
+ c_stream.zalloc = (alloc_func)0;
+ c_stream.zfree = (free_func)0;
+ c_stream.opaque = (voidpf)0;
+
+ err = deflateInit(&c_stream, Z_BEST_SPEED);
+ test2(err, Z_OK);
+
+ c_stream.next_out = compr;
+ c_stream.avail_out = (uInt)comprLen;
+
+ /* At this point, uncompr is still mostly zeroes, so it should compress
+ * very well:
+ */
+ c_stream.next_in = uncompr;
+ c_stream.avail_in = (uInt)uncomprLen;
+ err = deflate(&c_stream, Z_NO_FLUSH);
+ test2(err, Z_OK);
+
+ test2(c_stream.avail_in, 0); /* Fails if deflate not greedy */
+
+ /* Feed in already compressed data and switch to no compression: */
+ deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY);
+ c_stream.next_in = compr;
+ c_stream.avail_in = (uInt)comprLen/2;
+ err = deflate(&c_stream, Z_NO_FLUSH);
+ test2(err, Z_OK);
+
+ /* Switch back to compressing mode: */
+ deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED);
+ c_stream.next_in = uncompr;
+ c_stream.avail_in = (uInt)uncomprLen;
+ err = deflate(&c_stream, Z_NO_FLUSH);
+ test2(err, Z_OK);
+
+ err = deflate(&c_stream, Z_FINISH);
+ test2(err, Z_STREAM_END);
+
+ err = deflateEnd(&c_stream);
+ test2(err, Z_OK);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0824-0001
+@SYMTestCaseDesc Inflate with large buffers test
+@SYMTestPriority High
+@SYMTestActions Tests inflate() with large buffers
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+
+void test_large_inflate(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0824-0001 test_large_inflate "));
+ int err;
+ z_stream d_stream; /* decompression stream */
+
+ strcpy((char*)uncompr, "garbage");
+
+ d_stream.zalloc = (alloc_func)0;
+ d_stream.zfree = (free_func)0;
+ d_stream.opaque = (voidpf)0;
+
+ d_stream.next_in = compr;
+ d_stream.avail_in = (uInt)comprLen;
+
+ err = inflateInit(&d_stream);
+ test2(err, Z_OK);
+
+ for (;;) {
+ d_stream.next_out = uncompr; /* discard the output */
+ d_stream.avail_out = (uInt)uncomprLen;
+ err = inflate(&d_stream, Z_NO_FLUSH);
+ if (err == Z_STREAM_END) break;
+ test2(err, Z_OK);
+ }
+
+ err = inflateEnd(&d_stream);
+ test2(err, Z_OK);
+
+ test2(d_stream.total_out, (2*uncomprLen + comprLen/2)); /* Fails if bad large inflate */
+
+ test.Printf(_L("large_inflate(): OK\n"));
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0825-0001
+@SYMTestCaseDesc Test deflate() with full flush
+@SYMTestPriority High
+@SYMTestActions Test by flushing the output as random access is desired
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_flush(
+ Byte *compr,
+ uLong *comprLen)
+{
+ test.Next(_L("test_flush"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0825-0001 "));
+ z_stream c_stream; /* compression stream */
+ int err;
+ int len = strlen(hello)+1;
+
+ c_stream.zalloc = (alloc_func)0;
+ c_stream.zfree = (free_func)0;
+ c_stream.opaque = (voidpf)0;
+
+ err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION);
+ test2(err, Z_OK);
+
+ c_stream.next_in = (Bytef*)hello;
+ c_stream.next_out = compr;
+ c_stream.avail_in = 3;
+ c_stream.avail_out = (uInt)*comprLen;
+ err = deflate(&c_stream, Z_FULL_FLUSH);
+ test2(err, Z_OK);
+
+ compr[3]++; /* force an error in first compressed block */
+ c_stream.avail_in = len - 3;
+
+ err = deflate(&c_stream, Z_FINISH);
+ if (err != Z_STREAM_END) {
+ test2(err, Z_OK);
+ }
+ err = deflateEnd(&c_stream);
+ test2(err, Z_OK);
+
+ *comprLen = c_stream.total_out;
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0826-0001
+@SYMTestCaseDesc Test the inflateSync() function
+@SYMTestPriority High
+@SYMTestActions Tests for reading of compressed data with damaged parts and check for errors.
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_sync(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L("test_sync"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0826-0001 "));
+ int err;
+ z_stream d_stream; /* decompression stream */
+
+ strcpy((char*)uncompr, "garbage");
+
+ d_stream.zalloc = (alloc_func)0;
+ d_stream.zfree = (free_func)0;
+ d_stream.opaque = (voidpf)0;
+
+ d_stream.next_in = compr;
+ d_stream.avail_in = 2; /* just read the zlib header */
+
+ err = inflateInit(&d_stream);
+ test2(err, Z_OK);
+
+ d_stream.next_out = uncompr;
+ d_stream.avail_out = (uInt)uncomprLen;
+
+ inflate(&d_stream, Z_NO_FLUSH);
+ test2(err, Z_OK);
+
+ d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */
+ err = inflateSync(&d_stream); /* but skip the damaged part */
+ test2(err, Z_OK);
+
+ err = inflate(&d_stream, Z_FINISH);
+ test2(err, Z_DATA_ERROR); /* inflate should report DATA_ERROR because of incorrect adler32 */
+
+ err = inflateEnd(&d_stream);
+ test2(err, Z_OK);
+
+ PrintString(_L("after inflateSync(): hel%S\n"), (char*)uncompr);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0827-0001
+@SYMTestCaseDesc Deflation functionality test
+@SYMTestPriority High
+@SYMTestActions Test deflate() function with preset dictionary
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_dict_deflate(
+ Byte *compr,
+ uLong comprLen)
+{
+ test.Next(_L("test_dict_deflate"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0827-0001 "));
+ z_stream c_stream; /* compression stream */
+ int err;
+
+ c_stream.zalloc = (alloc_func)0;
+ c_stream.zfree = (free_func)0;
+ c_stream.opaque = (voidpf)0;
+
+ err = deflateInit(&c_stream, Z_BEST_COMPRESSION);
+ test2(err, Z_OK);
+
+ err = deflateSetDictionary(&c_stream,
+ (const Bytef*)dictionary, sizeof(dictionary));
+ test2(err, Z_OK);
+
+ dictId = c_stream.adler;
+ c_stream.next_out = compr;
+ c_stream.avail_out = (uInt)comprLen;
+
+ c_stream.next_in = (Bytef*)hello;
+ c_stream.avail_in = (uInt)strlen(hello)+1;
+
+ err = deflate(&c_stream, Z_FINISH);
+ test2(err, Z_STREAM_END);
+
+ err = deflateEnd(&c_stream);
+ test2(err, Z_OK);
+}
+
+/**
+@SYMTestCaseID SYSLIB-EZLIB-CT-0828-0001
+@SYMTestCaseDesc Inflation functionality test
+@SYMTestPriority High
+@SYMTestActions Test inflate() with a preset dictionary
+@SYMTestExpectedResults The test must not fail.
+@SYMREQ REQ0000
+*/
+void test_dict_inflate(
+ Byte *compr, uLong comprLen, Byte *uncompr,
+ uLong uncomprLen)
+{
+ test.Next(_L("test_dict_inflate"));
+ test.Next(_L(" @SYMTestCaseID:SYSLIB-EZLIB-CT-0828-0001 "));
+ int err;
+ z_stream d_stream; /* decompression stream */
+
+ strcpy((char*)uncompr, "garbage");
+
+ d_stream.zalloc = (alloc_func)0;
+ d_stream.zfree = (free_func)0;
+ d_stream.opaque = (voidpf)0;
+
+ d_stream.next_in = compr;
+ d_stream.avail_in = (uInt)comprLen;
+
+ err = inflateInit(&d_stream);
+ test2(err, Z_OK);
+
+ d_stream.next_out = uncompr;
+ d_stream.avail_out = (uInt)uncomprLen;
+
+ for (;;) {
+ err = inflate(&d_stream, Z_NO_FLUSH);
+ if (err == Z_STREAM_END) break;
+ if (err == Z_NEED_DICT) {
+ test2(d_stream.adler, dictId); /* Fails if unexpected dictionary */
+
+ err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary,
+ sizeof(dictionary));
+ }
+ test2(err, Z_OK);
+ }
+
+ err = inflateEnd(&d_stream);
+ test2(err, Z_OK);
+
+ test2(strcmp((char*)uncompr, hello), 0); /* Fails if bad inflate with dictionary */
+
+ PrintString(_L("inflate with dictionary: %S\n"), (char*)uncompr);
+}
+
+/* ===========================================================================
+ * Usage: example [output.gz [input.gz]]
+ */
+
+void PrintString(TRefByValue<const TDesC> aFmt, char* string)
+ {
+ TPtrC8 ptrc8;
+ TBuf<100> buf;
+ ptrc8.Set((TUint8*)string, strlen(string));
+ buf.Copy(ptrc8);
+ test.Printf(aFmt, &buf);
+ }
+
+void RunTest()
+{
+ Byte *compr, *uncompr;
+ uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */
+ uLong uncomprLen = comprLen;
+ static const char* myVersion = ZLIB_VERSION;
+
+ test2(zlibVersion()[0], myVersion[0]); /* Fails if incompatible zlib version */
+
+ if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) {
+ test.Printf(_L("warning: different zlib version\n"));
+ }
+
+ compr = (Byte*)calloc((uInt)comprLen, 1);
+ uncompr = (Byte*)calloc((uInt)uncomprLen, 1);
+ /* compr and uncompr are cleared to avoid reading uninitialized
+ * data and to ensure that uncompr compresses well.
+ */
+ test2((compr == Z_NULL || uncompr == Z_NULL), 0); /* Fails if out of memory */
+
+ test_compress(compr, comprLen, uncompr, uncomprLen);
+
+ test_deflate(compr, comprLen);
+ test_inflate(compr, comprLen, uncompr, uncomprLen);
+
+ test_large_deflate(compr, comprLen, uncompr, uncomprLen);
+ test_large_inflate(compr, comprLen, uncompr, uncomprLen);
+
+ test_flush(compr, &comprLen);
+ test_sync(compr, comprLen, uncompr, uncomprLen);
+ comprLen = uncomprLen;
+
+ test_dict_deflate(compr, comprLen);
+ test_dict_inflate(compr, comprLen, uncompr, uncomprLen);
+
+ delete compr;
+ delete uncompr;
+}
+
+GLDEF_C TInt E32Main()
+ {
+ __UHEAP_MARK;
+
+ test.Printf(_L("\n"));
+ test.Title();
+ test.Start(KTestTitle);
+
+ CTrapCleanup* cleanup = CTrapCleanup::New();
+
+ TRAPD(err, RunTest());
+ test2(err, KErrNone);
+
+ test.End();
+ test.Close();
+ delete cleanup;
+
+ __UHEAP_MARKEND;
+ return KErrNone;
+ }