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#include "../inc/demo.h"
#include "../inc/huffman.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int testcompress(char *line)
{
char inputbuff[4096];
char outputbuff[4096];
char resultbuff[4096];
int inputlen = 0;
int resultlen = 0;
char *splitpos = line;
while (*splitpos != '#')
splitpos++;
while (sscanf(line, "%2hhx", inputbuff + inputlen) == 1 && line < splitpos)
{
inputlen++;
line += 3;
}
splitpos++;
while (sscanf(splitpos, "%2hhx", resultbuff + resultlen) == 1)
{
resultlen++;
splitpos += 3;
}
int i;
int outputlen = compresshuff(inputbuff, inputlen, outputbuff, 4096);
if (outputlen < 0)
{
printf("[FAILED TEST] Failed compress test! outputbuff too small\n");
return -1;
}
if (outputlen != resultlen)
{
printf("[FAILED TEST] Failed compress test! different result output length\n");
return -1;
}
for (i = 0; i < outputlen; i++)
{
if (resultbuff[i] != outputbuff[i])
{
printf("[FAILED TEST] Failed compress test!\n");
return -1;
}
}
return 1;
}
int testdecompress(char *line)
{
char inputbuff[4096];
char outputbuff[4096];
char resultbuff[4096];
int inputlen = 0;
int resultlen = 0;
char *splitpos = line;
while (*splitpos != '#')
splitpos++;
while (sscanf(line, "%2hhx", inputbuff + inputlen) == 1 && line < splitpos)
{
inputlen++;
line += 3;
}
splitpos++;
while (sscanf(splitpos, "%2hhx", resultbuff + resultlen) == 1)
{
resultlen++;
splitpos += 3;
}
int i;
int outputlen = decompresshuff(resultbuff, inputlen, outputbuff, 4096);
if (outputlen < 0)
{
printf("[FAILED TEST] Failed decompress test! Error when decompressing\n");
return -1;
}
if (outputlen != inputlen)
{
printf("[FAILED TEST] Failed decompress test! different result output length\n");
printf("[ PROGNOSIS ] inputlen: %d outputlen: %d\n", inputlen, outputlen);
return -1;
}
for (i = 0; i < outputlen; i++)
{
if (inputbuff[i] != outputbuff[i])
{
printf("[FAILED TEST] Failed decompress test! non matching buffers\n");
return -1;
}
}
return 1;
}
int main()
{
inithuff(NULL);
FILE *fp = fopen("data/test.demo", "r");
FILE *op = fopen("data/out.demo", "w");
demo d;
readdemo(fp, &d);
printdemo(&d, 0);
writedemo(op, &d);
fclose(fp);
fclose(op);
exit(EXIT_SUCCESS);
// Testing
/*
inithuff(NULL);
FILE *fp = fopen("data/huff_test_cases", "r");
char *line = NULL;
size_t len = 0;
ssize_t nread;
while ((nread = getline(&line, &len, fp)) != -1)
{
if (testcompress(line) < 0)
exit(EXIT_FAILURE);
if (testdecompress(line) < 0)
exit(EXIT_FAILURE);
}
fclose(fp);
free(line);
exit(EXIT_SUCCESS);
*/
}
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