2 * collectd - src/daemon/utils_time_test.c
3 * Copyright (C) 2015 Florian octo Forster
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24 * Florian octo Forster <octo at collectd.org>
27 #define DBL_PRECISION 1e-3
31 #include "utils_time.h"
43 /* cdtime double time_t milliseconds timeval timespec */
44 { 0, 0.0 , 0, 0, { 0, 0}, { 0, 0}},
45 { 10737418240ULL, 10.0 , 10, 10000, { 10, 0}, { 10, 0}},
46 {1542908534771941376ULL, 1436945549.0 , 1436945549, 1436945549000ULL, {1436945549, 0}, {1436945549, 0}},
47 {1542908535540740522ULL, 1436945549.716, 1436945550, 1436945549716ULL, {1436945549, 716000}, {1436945549, 716000000}},
48 // 1426076671.123 * 2^30 = 1531238166015458148.352
49 {1531238166015458148ULL, 1426076671.123, 1426076671, 1426076671123ULL, {1426076671, 123000}, {1426076671, 123000000}},
50 // 1426076681.234 * 2^30 = 1531238176872061730.816
51 {1531238176872061731ULL, 1426076681.234, 1426076681, 1426076681234ULL, {1426076681, 234000}, {1426076681, 234000000}},
52 // 1426083986.314 * 2^30 = 1531246020641985396.736
53 {1531246020641985397ULL, 1426083986.314, 1426083986, 1426083986314ULL, {1426083986, 314000}, {1426083986, 314000000}},
54 // 1426083986.494142531 * 2^30 = 1531246020835411966.5
55 {1531246020835411967ULL, 1426083986.494, 1426083986, 1426083986494ULL, {1426083986, 494143}, {1426083986, 494142531}},
56 // 1426083986.987410814 * 2^30 = 1531246021365054752.4
57 {1531246021365054752ULL, 1426083986.987, 1426083987, 1426083986987ULL, {1426083986, 987411}, {1426083986, 987410814}},
59 /* These cases test the cdtime_t -> ns conversion rounds correctly. */
60 // 1546167635576736987 / 2^30 = 1439980823.1524536265...
61 {1546167635576736987ULL, 1439980823.152, 1439980823, 1439980823152ULL, {1439980823, 152454}, {1439980823, 152453627}},
62 // 1546167831554815222 / 2^30 = 1439981005.6712620165...
63 {1546167831554815222ULL, 1439981005.671, 1439981006, 1439981005671ULL, {1439981005, 671262}, {1439981005, 671262017}},
64 // 1546167986577716567 / 2^30 = 1439981150.0475896215...
65 {1546167986577716567ULL, 1439981150.048, 1439981150, 1439981150048ULL, {1439981150, 47590}, {1439981005, 47589622}},
69 for (i = 0; i < (sizeof (cases) / sizeof (cases[0])); i++) {
74 EXPECT_EQ_UINT64 (cases[i].tt, CDTIME_T_TO_TIME_T (cases[i].t));
77 EXPECT_EQ_UINT64(cases[i].ms, CDTIME_T_TO_MS (cases[i].t));
80 CDTIME_T_TO_TIMEVAL (cases[i].t, &tv);
81 EXPECT_EQ_UINT64 (cases[i].tv.tv_usec, tv.tv_usec);
84 CDTIME_T_TO_TIMESPEC (cases[i].t, &ts);
85 EXPECT_EQ_UINT64 (cases[i].ts.tv_nsec, ts.tv_nsec);
88 EXPECT_EQ_DOUBLE (cases[i].d, CDTIME_T_TO_DOUBLE (cases[i].t));
94 /* These cases test the ns -> cdtime_t conversion rounds correctly. */
95 DEF_TEST(ns_to_cdtime)
101 // 1439981652801860766 * 2^30 / 10^9 = 1546168526406004689.4
102 {1439981652801860766ULL, 1546168526406004689ULL},
103 // 1439981836985281914 * 2^30 / 10^9 = 1546168724171447263.4
104 {1439981836985281914ULL, 1546168724171447263ULL},
105 // 1439981880053705608 * 2^30 / 10^9 = 1546168770415815077.4
106 {1439981880053705608ULL, 1546168770415815077ULL},
110 for (i = 0; i < (sizeof (cases) / sizeof (cases[0])); i++) {
111 EXPECT_EQ_UINT64 (cases[i].want, NS_TO_CDTIME_T (cases[i].ns));
119 RUN_TEST(conversion);
120 RUN_TEST(ns_to_cdtime);
125 /* vim: set sw=2 sts=2 et : */