opus/libentcode/ectest.c
2007-12-06 15:09:53 +11:00

95 lines
2.5 KiB
C

#include <stdio.h>
#include "probenc.h"
#include "probdec.h"
int main(int _argc,char **_argv){
ec_byte_buffer buf;
ec_enc enc;
ec_dec dec;
ec_probmod mod;
int ft;
int ftb;
int sym;
int sz;
int s;
int i;
/*Testing encoding of raw bit values.*/
ec_byte_writeinit(&buf);
ec_enc_init(&enc,&buf);
for(ft=0;ft<1024;ft++){
for(i=0;i<ft;i++){
ec_enc_uint(&enc,i,ft);
}
}
/*Testing encoding of raw bit values.*/
for(ftb=0;ftb<16;ftb++){
for(i=0;i<(1<<ftb);i++){
ec_enc_bits(&enc,i,ftb);
}
}
for(sz=1;sz<256;sz++){
ec_probmod_init_full(&mod,sz,1,sz+(sz>>1),NULL);
for(i=0;i<sz;i++){
s=((unsigned)(i*45678901+7))%sz;
ec_probmod_write(&mod,&enc,s);
}
ec_probmod_clear(&mod);
}
for(sz=11;sz<256;sz++){
ec_probmod_init_full(&mod,sz,1,sz+(sz>>1),NULL);
for(i=0;i<sz;i++){
s=((unsigned)(i*45678901+7))%sz;
ec_probmod_write_range(&mod,&enc,s,EC_MAXI(s-5,0),EC_MINI(s+6,sz));
}
ec_probmod_clear(&mod);
}
ec_enc_done(&enc);
fprintf(stderr,"Encoded to %li bytes.\n",(long)(buf.ptr-buf.buf));
ec_byte_readinit(&buf,ec_byte_get_buffer(&buf),ec_byte_bytes(&buf));
ec_dec_init(&dec,&buf);
for(ft=0;ft<1024;ft++){
for(i=0;i<ft;i++){
sym=ec_dec_uint(&dec,ft);
if(sym!=i){
fprintf(stderr,"Decoded %i instead of %i with ft of %i.\n",sym,i,ft);
return -1;
}
}
}
for(ftb=0;ftb<16;ftb++){
for(i=0;i<(1<<ftb);i++){
sym=ec_dec_bits(&dec,ftb);
if(sym!=i){
fprintf(stderr,"Decoded %i instead of %i with ftb of %i.\n",sym,i,ftb);
return -1;
}
}
}
for(sz=1;sz<256;sz++){
ec_probmod_init_full(&mod,sz,1,sz+(sz>>1),NULL);
for(i=0;i<sz;i++){
s=((unsigned)(i*45678901+7))%sz;
sym=ec_probmod_read(&mod,&dec);
if(sym!=s){
fprintf(stderr,"Decoded %i instead of %i with sz of %i.\n",sym,s,sz);
return -1;
}
}
ec_probmod_clear(&mod);
}
for(sz=11;sz<256;sz++){
ec_probmod_init_full(&mod,sz,1,sz+(sz>>1),NULL);
for(i=0;i<sz;i++){
s=((unsigned)(i*45678901+7))%sz;
sym=ec_probmod_read_range(&mod,&dec,EC_MAXI(s-5,0),EC_MINI(s+6,sz));
if(sym!=s){
fprintf(stderr,"Decoded %i instead of %i with sz of %i.\n",sym,s,sz);
return -1;
}
}
ec_probmod_clear(&mod);
}
ec_byte_writeclear(&buf);
fprintf(stderr,"All tests passed.\n");
return 0;
}