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#include <UTF8String.c>
#include <OCTET_STRING.c>
#include <ber_decoder.c>
#include <ber_tlv_length.c>
#include <ber_tlv_tag.c>
#include <der_encoder.c>
#include <xer_decoder.c>
#include <xer_support.c>
#include <per_support.c>
#include <constraints.c>
#include <sys/time.h>
static void
check(int expect_length, char *buf, int buflen) {
UTF8String_t st;
int ret;
if(buflen < 0) buflen = strlen(buf);
st.buf = (uint8_t *)buf;
st.size = buflen;
printf("[");
for(ret = 0; ret < buflen; ret++)
printf("%c", buf[ret]);
ret = UTF8String_length(&st);
printf("]: size=%d, expect=%d, got=%d\n",
buflen, expect_length, ret);
assert(ret == expect_length);
}
static int
check_speed() {
int cycles = 1000000;
double start, stop;
struct timeval tv;
UTF8String_t st;
char long_test[] =
"a\303\237a\303\237a\303\237a\303\237"
"a\303\237a\303\237a\303\237a\303\237"
"a\303\237a\303\237a\303\237a\303\237"
"a\303\237a\303\237a\303\237a\303\237"
"a\303\237a\303\237a\303\237a\303\237";
int ret;
int i;
st.buf = (uint8_t *)long_test;
st.size = sizeof(long_test) - 1;
ret = UTF8String_length(&st);
assert(ret == 40);
printf("Now wait a bit...\n");
gettimeofday(&tv, 0);
start = tv.tv_sec + tv.tv_usec / 1000000.0;
for(i = 0; i < cycles; i++) {
ret += UTF8String_length(&st);
}
gettimeofday(&tv, 0);
stop = tv.tv_sec + tv.tv_usec / 1000000.0;
printf("%d cycles in %.3fms\n", cycles, stop - start);
return ret;
}
int
main() {
check(0, "", 0);
check(1, "\0", 1);
check(1, "a", 1);
check(2, "ab", 2);
check(3, "abc", 3);
assert(sizeof("a\303\237cd") == 6);
check(4, "a\303\237cd", 5);
check(3, "a\370\211\200\201\257c", 7);
check(3, "\320\273\320\265\320\262", 6);
check(-1, "a\303", 2); /* Truncated */
check(-2, "\377", 1); /* Invalid UTF-8 sequence start */
check(-2, "\200", 1);
check(-2, "\320\273\265\320\262", 5);
check(-3, "\320c", 2); /* Not continuation */
check(-3, "a\370\200\200\200c", 6);
check(-4, "a\370\200\200\200\257c", 7);
check(-4, "\320\273\320\265\340\200\262", 7);
check(-5, 0, 0);
check_speed();
return 0;
}
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