server-skynet-source-3rd-je.../test/unit/nstime.c
Jason Evans 45a5bf6772 Do not advance decay epoch when time goes backwards.
Instead, move the epoch backward in time.  Additionally, add
nstime_monotonic() and use it in debug builds to assert that time only
goes backward if nstime_update() is using a non-monotonic time source.
2016-10-10 22:31:37 -07:00

228 lines
5.3 KiB
C

#include "test/jemalloc_test.h"
#define BILLION UINT64_C(1000000000)
TEST_BEGIN(test_nstime_init)
{
nstime_t nst;
nstime_init(&nst, 42000000043);
assert_u64_eq(nstime_ns(&nst), 42000000043, "ns incorrectly read");
assert_u64_eq(nstime_sec(&nst), 42, "sec incorrectly read");
assert_u64_eq(nstime_nsec(&nst), 43, "nsec incorrectly read");
}
TEST_END
TEST_BEGIN(test_nstime_init2)
{
nstime_t nst;
nstime_init2(&nst, 42, 43);
assert_u64_eq(nstime_sec(&nst), 42, "sec incorrectly read");
assert_u64_eq(nstime_nsec(&nst), 43, "nsec incorrectly read");
}
TEST_END
TEST_BEGIN(test_nstime_copy)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_init(&nstb, 0);
nstime_copy(&nstb, &nsta);
assert_u64_eq(nstime_sec(&nstb), 42, "sec incorrectly copied");
assert_u64_eq(nstime_nsec(&nstb), 43, "nsec incorrectly copied");
}
TEST_END
TEST_BEGIN(test_nstime_compare)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
assert_d_eq(nstime_compare(&nsta, &nstb), 0, "Times should be equal");
assert_d_eq(nstime_compare(&nstb, &nsta), 0, "Times should be equal");
nstime_init2(&nstb, 42, 42);
assert_d_eq(nstime_compare(&nsta, &nstb), 1,
"nsta should be greater than nstb");
assert_d_eq(nstime_compare(&nstb, &nsta), -1,
"nstb should be less than nsta");
nstime_init2(&nstb, 42, 44);
assert_d_eq(nstime_compare(&nsta, &nstb), -1,
"nsta should be less than nstb");
assert_d_eq(nstime_compare(&nstb, &nsta), 1,
"nstb should be greater than nsta");
nstime_init2(&nstb, 41, BILLION - 1);
assert_d_eq(nstime_compare(&nsta, &nstb), 1,
"nsta should be greater than nstb");
assert_d_eq(nstime_compare(&nstb, &nsta), -1,
"nstb should be less than nsta");
nstime_init2(&nstb, 43, 0);
assert_d_eq(nstime_compare(&nsta, &nstb), -1,
"nsta should be less than nstb");
assert_d_eq(nstime_compare(&nstb, &nsta), 1,
"nstb should be greater than nsta");
}
TEST_END
TEST_BEGIN(test_nstime_add)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_add(&nsta, &nstb);
nstime_init2(&nstb, 84, 86);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect addition result");
nstime_init2(&nsta, 42, BILLION - 1);
nstime_copy(&nstb, &nsta);
nstime_add(&nsta, &nstb);
nstime_init2(&nstb, 85, BILLION - 2);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect addition result");
}
TEST_END
TEST_BEGIN(test_nstime_subtract)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_subtract(&nsta, &nstb);
nstime_init(&nstb, 0);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect subtraction result");
nstime_init2(&nsta, 42, 43);
nstime_init2(&nstb, 41, 44);
nstime_subtract(&nsta, &nstb);
nstime_init2(&nstb, 0, BILLION - 1);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect subtraction result");
}
TEST_END
TEST_BEGIN(test_nstime_imultiply)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_imultiply(&nsta, 10);
nstime_init2(&nstb, 420, 430);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect multiplication result");
nstime_init2(&nsta, 42, 666666666);
nstime_imultiply(&nsta, 3);
nstime_init2(&nstb, 127, 999999998);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect multiplication result");
}
TEST_END
TEST_BEGIN(test_nstime_idivide)
{
nstime_t nsta, nstb;
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_imultiply(&nsta, 10);
nstime_idivide(&nsta, 10);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect division result");
nstime_init2(&nsta, 42, 666666666);
nstime_copy(&nstb, &nsta);
nstime_imultiply(&nsta, 3);
nstime_idivide(&nsta, 3);
assert_d_eq(nstime_compare(&nsta, &nstb), 0,
"Incorrect division result");
}
TEST_END
TEST_BEGIN(test_nstime_divide)
{
nstime_t nsta, nstb, nstc;
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_imultiply(&nsta, 10);
assert_u64_eq(nstime_divide(&nsta, &nstb), 10,
"Incorrect division result");
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_imultiply(&nsta, 10);
nstime_init(&nstc, 1);
nstime_add(&nsta, &nstc);
assert_u64_eq(nstime_divide(&nsta, &nstb), 10,
"Incorrect division result");
nstime_init2(&nsta, 42, 43);
nstime_copy(&nstb, &nsta);
nstime_imultiply(&nsta, 10);
nstime_init(&nstc, 1);
nstime_subtract(&nsta, &nstc);
assert_u64_eq(nstime_divide(&nsta, &nstb), 9,
"Incorrect division result");
}
TEST_END
TEST_BEGIN(test_nstime_monotonic)
{
nstime_monotonic();
}
TEST_END
TEST_BEGIN(test_nstime_update)
{
nstime_t nst;
nstime_init(&nst, 0);
assert_false(nstime_update(&nst), "Basic time update failed.");
/* Only Rip Van Winkle sleeps this long. */
{
nstime_t addend;
nstime_init2(&addend, 631152000, 0);
nstime_add(&nst, &addend);
}
{
nstime_t nst0;
nstime_copy(&nst0, &nst);
assert_true(nstime_update(&nst),
"Update should detect time roll-back.");
assert_d_eq(nstime_compare(&nst, &nst0), 0,
"Time should not have been modified");
}
}
TEST_END
int
main(void)
{
return (test(
test_nstime_init,
test_nstime_init2,
test_nstime_copy,
test_nstime_compare,
test_nstime_add,
test_nstime_subtract,
test_nstime_imultiply,
test_nstime_idivide,
test_nstime_divide,
test_nstime_monotonic,
test_nstime_update));
}