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69 lines
1.8 KiB
C

#include <assert.h>
#include <libowfat/uint16.h>
#include <libowfat/uint32.h>
#include <libowfat/uint64.h>
#include <libowfat/byte.h>
int main() {
char buf[8];
{
uint16 a;
buf[0]=buf[1]=0;
uint16_pack_big(buf,0xabcd);
assert((unsigned char)buf[0]==0xab && (unsigned char)buf[1]==0xcd);
uint16_unpack_big(buf,&a);
assert(a==0xabcd);
assert(uint16_read_big(buf)==0xabcd);
buf[0]=buf[1]=0;
uint16_pack(buf,0xabcd);
assert((unsigned char)buf[0]==0xcd && (unsigned char)buf[1]==0xab);
uint16_unpack(buf,&a);
assert(a==0xabcd);
assert(uint16_read(buf)==0xabcd);
}
{
uint32 a;
buf[0]=buf[1]=buf[2]=buf[3]=0;
uint32_pack_big(buf,0x89abcdef);
assert((unsigned char)buf[0]==0x89 && (unsigned char)buf[1]==0xab &&
(unsigned char)buf[2]==0xcd && (unsigned char)buf[3]==0xef);
uint32_unpack_big(buf,&a);
assert(a==0x89abcdef);
assert(uint32_read_big(buf)==0x89abcdef);
buf[0]=buf[1]=buf[2]=buf[3]=0;
uint32_pack(buf,0x89abcdef);
assert((unsigned char)buf[3]==0x89 && (unsigned char)buf[2]==0xab &&
(unsigned char)buf[1]==0xcd && (unsigned char)buf[0]==0xef);
uint32_unpack(buf,&a);
assert(a==0x89abcdef);
assert(uint32_read(buf)==0x89abcdef);
}
{
uint64 a;
unsigned int i;
byte_zero(buf,sizeof(buf));
uint64_pack_big(buf,0x8182838485868788ull);
for (i=0; i<8; ++i) assert((unsigned char)buf[i]==i+0x81);
uint64_unpack_big(buf,&a);
assert(a==0x8182838485868788ull);
assert(uint64_read_big(buf)==0x8182838485868788ull);
byte_zero(buf,sizeof(buf));
uint64_pack(buf,0x8182838485868788ull);
for (i=0; i<8; ++i) assert((unsigned char)buf[7-i]==i+0x81);
uint64_unpack(buf,&a);
assert(a==0x8182838485868788ull);
assert(uint64_read(buf)==0x8182838485868788ull);
}
}