diff options
Diffstat (limited to 'multimespec.c')
| -rw-r--r-- | multimespec.c | 154 |
1 files changed, 153 insertions, 1 deletions
diff --git a/multimespec.c b/multimespec.c index ec60c1e..c2a58c1 100644 --- a/multimespec.c +++ b/multimespec.c @@ -1,9 +1,10 @@ /* See LICENSE file for copyright and license details. */ #include "libsimple.h" +#ifndef TEST int -libsimple_multimespec(struct timespec *prod, const struct timespec *multiplicand, int multiplier) /* TODO test */ +libsimple_multimespec(struct timespec *prod, const struct timespec *multiplicand, int multiplier) { time_t s = multiplicand->tv_sec; long long int ns = (long long int)(multiplicand->tv_nsec); @@ -63,3 +64,154 @@ overflow: errno = ERANGE; return -1; } + + +#else +#include "test.h" + +int +main(void) +{ + struct timespec r, a; + + a.tv_sec = 0, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 0)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 0)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 0)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 0)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 1)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 1)); + assert(r.tv_sec == 10); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 1)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 10L); + + a.tv_sec = 10, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 1)); + assert(r.tv_sec == 10); + assert(r.tv_nsec == 10L); + + a.tv_sec = 0, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 10)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, 10)); + assert(r.tv_sec == 100); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 10)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 100L); + + a.tv_sec = 10, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, 10)); + assert(r.tv_sec == 100); + assert(r.tv_nsec == 100L); + + a.tv_sec = 0, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == -10); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == -1); + assert(r.tv_nsec == 1000000000L - 10L); + + a.tv_sec = 10, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == -11); + assert(r.tv_nsec == 1000000000L - 10L); + + a.tv_sec = 0, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, -10)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0L); + + a.tv_sec = 10, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, -10)); + assert(r.tv_sec == -100); + assert(r.tv_nsec == 0L); + + a.tv_sec = 0, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, -10)); + assert(r.tv_sec == -1); + assert(r.tv_nsec == 1000000000L - 100L); + + a.tv_sec = 10, a.tv_nsec = 10L; + assert(!libsimple_multimespec(&r, &a, -10)); + assert(r.tv_sec == -101); + assert(r.tv_nsec == 1000000000L - 100L); + + a.tv_sec = TIME_MAX, a.tv_nsec = 999999999L; + assert(!libsimple_multimespec(&r, &a, 0)); + assert(r.tv_sec == 0); + assert(r.tv_nsec == 0); + + a.tv_sec = TIME_MAX, a.tv_nsec = 999999999L; + assert(!libsimple_multimespec(&r, &a, 1)); + assert(r.tv_sec == TIME_MAX); + assert(r.tv_nsec == 999999999L); + + a.tv_sec = TIME_MAX, a.tv_nsec = 0L; + assert(libsimple_multimespec(&r, &a, 2) == -1 && errno == ERANGE); + assert(r.tv_sec == TIME_MAX); + assert(r.tv_nsec == 999999999L); + + a.tv_sec = TIME_MAX, a.tv_nsec = 0L; + assert(libsimple_multimespec(&r, &a, -2) == -1 && errno == ERANGE); + assert(r.tv_sec == TIME_MIN); + assert(r.tv_nsec == 0L); + + a.tv_sec = TIME_MAX, a.tv_nsec = 0L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == -TIME_MAX); + assert(r.tv_nsec == 0L); + + if (-TIME_MAX > TIME_MIN) { + a.tv_sec = TIME_MAX, a.tv_nsec = 999999999L; + assert(!libsimple_multimespec(&r, &a, -1)); + assert(r.tv_sec == -TIME_MAX - (time_t)1); + assert(r.tv_nsec == 1L); + } + + a.tv_sec = 10, a.tv_nsec = 100000001L; + assert(!libsimple_multimespec(&r, &a, 10)); + assert(r.tv_sec == 101); + assert(r.tv_nsec == 10L); + + return 0; +} + +#endif |