zdoom-macos-deps/test/zlib.cpp
2021-05-17 10:20:54 +03:00

68 lines
1.2 KiB
C++

#include <string.h>
#include <zlib.h>
int main()
{
z_stream stream = {};
if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK)
{
return 1;
}
constexpr size_t BUFFER_SIZE = 1024;
unsigned char reference[BUFFER_SIZE];
for (size_t i = 0; i < BUFFER_SIZE; ++i)
{
reference[i] = static_cast<unsigned char>(i % 47);
}
unsigned char deflated[BUFFER_SIZE] = {};
stream.next_in = reference;
stream.avail_in = BUFFER_SIZE;
stream.next_out = deflated;
stream.avail_out = BUFFER_SIZE;
if (deflate(&stream, Z_FINISH) != Z_STREAM_END)
{
return 1;
}
if (deflateEnd(&stream) != Z_OK)
{
return 1;
}
stream = {};
if (inflateInit(&stream) != Z_OK)
{
return 1;
}
unsigned char inflated[BUFFER_SIZE] = {};
stream.next_in = deflated;
stream.avail_in = BUFFER_SIZE;
stream.next_out = inflated;
stream.avail_out = BUFFER_SIZE;
if (inflate(&stream, Z_FINISH) != Z_STREAM_END)
{
return 1;
}
if (inflateEnd(&stream) != Z_OK)
{
return 1;
}
if (memcmp(reference, inflated, BUFFER_SIZE) != 0)
{
return 1;
}
return 0;
}