return (0);
}
+DEF_TEST(value_to_rate)
+{
+ struct {
+ time_t t0;
+ time_t t1;
+ int ds_type;
+ value_t v0;
+ value_t v1;
+ gauge_t want;
+ } cases[] = {
+ { 0, 10, DS_TYPE_DERIVE, {.derive = 0}, {.derive = 1000}, NAN},
+ {10, 20, DS_TYPE_DERIVE, {.derive = 1000}, {.derive = 2000}, 100.0},
+ {20, 30, DS_TYPE_DERIVE, {.derive = 2000}, {.derive = 1800}, -20.0},
+ { 0, 10, DS_TYPE_COUNTER, {.counter = 0}, {.counter = 1000}, NAN},
+ {10, 20, DS_TYPE_COUNTER, {.counter = 1000}, {.counter = 5000}, 400.0},
+ /* 32bit wrap-around. */
+ {20, 30, DS_TYPE_COUNTER, {.counter = 4294967238ULL}, {.counter = 42}, 10.0},
+ /* 64bit wrap-around. */
+ {30, 40, DS_TYPE_COUNTER, {.counter = 18446744073709551558ULL}, {.counter = 42}, 10.0},
+ };
+ size_t i;
+
+ for (i = 0; i < STATIC_ARRAY_SIZE (cases); i++) {
+ value_to_rate_state_t state = { cases[i].v0, TIME_T_TO_CDTIME_T (cases[i].t0) };
+ value_t got;
+
+ if (cases[i].t0 == 0) {
+ OK(value_to_rate (&got, cases[i].v1.derive, &state, cases[i].ds_type, TIME_T_TO_CDTIME_T (cases[i].t1)) == EAGAIN);
+ continue;
+ }
+
+ OK(value_to_rate (&got, cases[i].v1.derive, &state, cases[i].ds_type, TIME_T_TO_CDTIME_T (cases[i].t1)) == 0);
+ DBLEQ(cases[i].want, got.gauge);
+ }
+
+ return 0;
+}
+
int main (void)
{
RUN_TEST(sstrncpy);
RUN_TEST(escape_string);
RUN_TEST(strunescape);
RUN_TEST(parse_values);
+ RUN_TEST(value_to_rate);
END_TEST;
}