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|
/*****************************************************************
|
| Zip Test Program 1
|
| (c) 2001-2006 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Neptune.h"
#include "NptDebug.h"
#if defined(WIN32) && defined(_DEBUG)
#include <crtdbg.h>
#endif
#define CHECK(x) \
do { \
if (!(x)) { \
fprintf(stderr, "ERROR line %d \n", __LINE__); \
error_hook(); \
return -1; \
} \
} while(0)
/*----------------------------------------------------------------------
| test vectors
+---------------------------------------------------------------------*/
extern unsigned char t1[];
extern unsigned int t1_len;
extern unsigned char t1_gz[];
extern unsigned int t1_gz_len;
extern unsigned int t1_gz_header_len;
extern unsigned char t2[];
extern unsigned int t2_len;
extern unsigned char t2_gz[];
extern unsigned int t2_gz_len;
extern unsigned int t2_gz_header_len;
typedef struct {
unsigned char* uncompressed;
unsigned int uncompressed_len;
unsigned char* compressed;
unsigned int compressed_len;
unsigned int compressed_header_len;
} TestVector;
TestVector TestVectors[] = {
{t1, t1_len, t1_gz, t1_gz_len, t1_gz_header_len},
{t2, t2_len, t2_gz, t2_gz_len, t2_gz_header_len},
};
/*----------------------------------------------------------------------
| error_hook
+---------------------------------------------------------------------*/
static void
error_hook()
{
fprintf(stderr, "STOPPING\n");
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int /*argc*/, char** /*argv*/)
{
// setup debugging
#if defined(WIN32) && defined(_DEBUG)
int flags = _crtDbgFlag |
_CRTDBG_ALLOC_MEM_DF |
_CRTDBG_DELAY_FREE_MEM_DF |
_CRTDBG_CHECK_ALWAYS_DF;
_CrtSetDbgFlag(flags);
//AllocConsole();
//freopen("CONOUT$", "w", stdout);
#endif
for (unsigned int t=0; t<sizeof(TestVectors)/sizeof(TestVectors[0]); t++) {
TestVector* v = &TestVectors[t];
NPT_DataBuffer in1(v->compressed, v->compressed_len);
NPT_DataBuffer out1;
NPT_Result result = NPT_Zip::Inflate(in1, out1);
CHECK(result == NPT_SUCCESS);
CHECK(out1.GetDataSize() == v->uncompressed_len);
CHECK(NPT_MemoryEqual(out1.GetData(), v->uncompressed, v->uncompressed_len));
NPT_DataBuffer in2(v->uncompressed, v->uncompressed_len);
NPT_DataBuffer out2;
NPT_DataBuffer out2_check;
result = NPT_Zip::Deflate(in2, out2, NPT_ZIP_COMPRESSION_LEVEL_MAX, NPT_Zip::GZIP);
CHECK(result == NPT_SUCCESS);
result = NPT_Zip::Inflate(out2, out2_check);
CHECK(result == NPT_SUCCESS);
CHECK(out2_check.GetDataSize() == in2.GetDataSize());
CHECK(NPT_MemoryEqual(v->uncompressed, out2_check.GetData(), in2.GetDataSize()));
// try with random data
NPT_DataBuffer in3(300000);
unsigned char* in3_p = in3.UseData();
for (int i=0; i<300000; i++) {
*in3_p++ = NPT_System::GetRandomInteger();
}
in3.SetDataSize(300000);
NPT_DataBuffer out3;
result = NPT_Zip::Deflate(in3, out3);
CHECK(result == NPT_SUCCESS);
NPT_DataBuffer out3_check;
result = NPT_Zip::Inflate(out3, out3_check);
CHECK(result == NPT_SUCCESS);
CHECK(in3 == out3_check);
// try with redundant data
in3_p = in3.UseData();
for (int i=0; i<200000; i+=4) {
*in3_p++ = NPT_System::GetRandomInteger();
*in3_p++ = 0;
*in3_p++ = 0;
*in3_p++ = 0;
}
result = NPT_Zip::Deflate(in3, out3);
CHECK(result == NPT_SUCCESS);
result = NPT_Zip::Inflate(out3, out3_check);
CHECK(result == NPT_SUCCESS);
CHECK(in3 == out3_check);
// streams
for (unsigned int x=0; x<1000; x++) {
NPT_MemoryStream* ms_gz = new NPT_MemoryStream(v->compressed, v->compressed_len);
NPT_InputStreamReference ms_gz_ref(ms_gz);
NPT_ZipInflatingInputStream ziis(ms_gz_ref);
NPT_DataBuffer buffer;
NPT_Position position = 0;
bool expect_eos = false;
for (;;) {
NPT_Size chunk = NPT_System::GetRandomInteger()%40000;
buffer.SetDataSize(chunk);
NPT_Size bytes_read = 0;
result = ziis.Read(buffer.UseData(), chunk, &bytes_read);
if (expect_eos) {
CHECK(result == NPT_ERROR_EOS);
break;
}
if (result == NPT_ERROR_EOS) {
CHECK(position == v->uncompressed_len);
} else {
CHECK(result == NPT_SUCCESS);
}
CHECK(bytes_read <= chunk);
if (bytes_read != chunk) expect_eos = true;
CHECK(NPT_MemoryEqual(v->uncompressed+position,
buffer.GetData(),
bytes_read));
position += bytes_read;
}
CHECK(position == v->uncompressed_len);
}
for (unsigned int x=0; x<1000; x++) {
NPT_MemoryStream* ms = new NPT_MemoryStream(v->uncompressed, v->uncompressed_len);
NPT_InputStreamReference ms_ref(ms);
NPT_ZipDeflatingInputStream zdis(ms_ref, NPT_ZIP_COMPRESSION_LEVEL_MAX, NPT_Zip::GZIP);
NPT_DataBuffer buffer;
NPT_Position position = 0;
bool expect_eos = false;
for (;;) {
NPT_Size chunk = NPT_System::GetRandomInteger()%40000;
buffer.Reserve(buffer.GetDataSize()+chunk);
NPT_Size bytes_read = 0;
result = zdis.Read(buffer.UseData()+buffer.GetDataSize(), chunk, &bytes_read);
if (expect_eos) {
CHECK(result == NPT_ERROR_EOS);
break;
}
CHECK(result == NPT_SUCCESS);
CHECK(bytes_read <= chunk);
if (bytes_read != chunk) expect_eos = true;
position += bytes_read;
buffer.SetDataSize(buffer.GetDataSize()+bytes_read);
}
NPT_DataBuffer out;
NPT_DataBuffer check(v->uncompressed, v->uncompressed_len);
CHECK(NPT_Zip::Inflate(buffer, out) == NPT_SUCCESS);
CHECK(out == check);
}
}
return 0;
}
|
