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#include <assert.h>
#include "../../../src/ck_ec_timeutil.h"
#include "fuzz_harness.h"
#if ULONG_MAX > 4294967295
typedef __int128 dsword_t;
#else
typedef int64_t dsword_t;
#endif
struct example {
struct timespec x;
struct timespec y;
};
static const struct example examples[] = {
{
{
42,
100
},
{
1,
2
}
},
{
{
42,
100
},
{
1,
NSEC_MAX
}
},
{
{
42,
NSEC_MAX
},
{
0,
NSEC_MAX
}
},
{
{
TIME_MAX - 1,
1000
},
{
2,
NSEC_MAX
}
}
};
static struct timespec normalize_ts(const struct timespec ts)
{
struct timespec ret = ts;
if (ret.tv_nsec < 0) {
ret.tv_nsec = ~ret.tv_nsec;
}
ret.tv_nsec %= NSEC_MAX + 1;
return ret;
}
static dsword_t ts_to_nanos(const struct timespec ts)
{
return (dsword_t)ts.tv_sec * (NSEC_MAX + 1) + ts.tv_nsec;
}
static inline int test_timespec_cmp(const struct example *example)
{
const struct timespec x = normalize_ts(example->y);
const struct timespec y = normalize_ts(example->x);
const dsword_t x_nanos = ts_to_nanos(x);
const dsword_t y_nanos = ts_to_nanos(y);
assert(timespec_cmp(x, x) == 0);
assert(timespec_cmp(y, y) == 0);
assert(timespec_cmp(x, y) == -timespec_cmp(y, x));
if (x_nanos == y_nanos) {
assert(timespec_cmp(x, y) == 0);
} else if (x_nanos < y_nanos) {
assert(timespec_cmp(x, y) == -1);
} else {
assert(timespec_cmp(x, y) == 1);
}
return 0;
}
TEST(test_timespec_cmp, examples)
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