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May 21, 2019
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improve coverage #268

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48 changes: 45 additions & 3 deletions demo/test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,11 @@ static unsigned long ulabs(long x)
static int test_trivial_stuff(void)
{
mp_int a, b, c, d;
if (mp_init_multi(&a, &b, &c, &d, NULL)!= MP_OKAY) {
mp_err e;
if ((e = mp_init_multi(&a, &b, &c, &d, NULL)) != MP_OKAY) {
return EXIT_FAILURE;
}
(void)mp_error_to_string(e);

/* a: 0->5 */
mp_set_int(&a, 5uL);
Expand Down Expand Up @@ -87,13 +89,48 @@ static int test_trivial_stuff(void)
mp_set_int(&c, 7uL);
mp_exptmod(&a, &b, &c, &d);

if (mp_iseven(&a) == mp_isodd(&a)) {
goto LBL_ERR;
}

mp_clear_multi(&a, &b, &c, &d, NULL);
return EXIT_SUCCESS;
LBL_ERR:
mp_clear_multi(&a, &b, &c, &d, NULL);
return EXIT_FAILURE;
}

static int test_mp_fread_fwrite(void)
{
mp_int a, b;
mp_err e;
FILE *tmp = NULL;
if ((e = mp_init_multi(&a, &b, NULL)) != MP_OKAY) {
return EXIT_FAILURE;
}

mp_set_int(&a, 123456uL);
tmp = tmpfile();
if ((e = mp_fwrite(&a, 64, tmp)) != MP_OKAY) {
goto LBL_ERR;
}
rewind(tmp);
if ((e = mp_fread(&b, 64, tmp)) != MP_OKAY) {
goto LBL_ERR;
}
if (mp_get_int(&b) != 123456uL) {
goto LBL_ERR;
}
fclose(tmp);

mp_clear_multi(&a, &b, NULL);
return EXIT_SUCCESS;
LBL_ERR:
if (tmp != NULL) fclose(tmp);
mp_clear_multi(&a, &b, NULL);
return EXIT_FAILURE;
}

static mp_err very_random_source(void *out, size_t size)
{
memset(out, 0xff, size);
Expand Down Expand Up @@ -841,7 +878,7 @@ static int test_mp_prime_is_prime(void)
{
int ix;
mp_err err;
mp_bool cnt;
mp_bool cnt, fu;

mp_int a, b;
if (mp_init_multi(&a, &b, NULL)!= MP_OKAY) {
Expand Down Expand Up @@ -902,6 +939,10 @@ static int test_mp_prime_is_prime(void)
if (cnt == MP_NO) {
printf("\nsub is not prime!\n");
}
mp_prime_frobenius_underwood(&b, &fu);
if (fu == MP_NO) {
printf("\nfrobenius-underwood says sub is not prime!\n");
}
if ((err != MP_OKAY) || (cnt == MP_NO)) {
printf("prime tested was: ");
mp_fwrite(&a,16,stdout);
Expand Down Expand Up @@ -1823,7 +1864,7 @@ static int test_s_mp_balance_mul(void)
goto LTM_ERR;
}

if ((e = mp_mul(&a, &b, &c)) != MP_OKAY) {
if ((e = s_mp_balance_mul(&a, &b, &c)) != MP_OKAY) {
goto LTM_ERR;
}

Expand Down Expand Up @@ -1855,6 +1896,7 @@ int unit_tests(int argc, char **argv)
T(mp_decr),
T(mp_div_3),
T(mp_dr_reduce),
T(mp_fread_fwrite),
T(mp_get_int),
T(mp_get_long),
T(mp_get_long_long),
Expand Down