forked from 0ad/0ad
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#include <cxxtest/TestSuite.h>
|
|
|
|
#include "lib/lib.h"
|
|
#include "lib/self_test.h"
|
|
#include "lib/res/file/compression.h"
|
|
|
|
class TestCompression : public CxxTest::TestSuite
|
|
{
|
|
public:
|
|
void test1()
|
|
{
|
|
// generate random input data
|
|
const size_t data_size = 10000;
|
|
u8 data[data_size];
|
|
for(size_t i = 0; i < data_size; i++)
|
|
data[i] = rand() & 0xFF;
|
|
|
|
void* cdata; size_t csize;
|
|
u8 ucdata[data_size];
|
|
|
|
// compress
|
|
uintptr_t c = comp_alloc(CT_COMPRESSION, CM_DEFLATE);
|
|
{
|
|
TS_ASSERT(c != 0);
|
|
TS_ASSERT_OK(comp_alloc_output(c, data_size));
|
|
const ssize_t cdata_produced = comp_feed(c, data, data_size);
|
|
TS_ASSERT(cdata_produced > 0);
|
|
TS_ASSERT_OK(comp_finish(c, &cdata, &csize));
|
|
TS_ASSERT(cdata_produced <= csize); // can't have produced more than total
|
|
}
|
|
|
|
// decompress
|
|
uintptr_t d = comp_alloc(CT_DECOMPRESSION, CM_DEFLATE);
|
|
{
|
|
TS_ASSERT(d != 0);
|
|
TS_ASSERT_OK(comp_set_output(ucdata, data_size));
|
|
const ssize_t ucdata_produced = comp_feed(c, cdata, cdata_size);
|
|
TS_ASSERT(ucdata_produced > 0);
|
|
void* ucdata_final; size_t ucsize_final;
|
|
TS_ASSERT_OK(comp_finish(c, &ucdata_final, &ucsize_final));
|
|
TS_ASSERT(ucdata_produced <= ucsize_final); // can't have produced more than total
|
|
TS_ASSERT_EQUALS(ucdata_final, ucdata); // output buffer address is same
|
|
TS_ASSERT_EQUALS(ucsize_final, data_size); // correct amount of output
|
|
}
|
|
|
|
// verify data survived intact
|
|
TS_ASSERT_SAME_DATA(data, ucdata, data_size);
|
|
}
|
|
};
|