diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/test/time_SUITE.erl | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/erts/emulator/test/time_SUITE.erl b/erts/emulator/test/time_SUITE.erl index bd48a0a7db..b8e2cf51d2 100644 --- a/erts/emulator/test/time_SUITE.erl +++ b/erts/emulator/test/time_SUITE.erl @@ -32,6 +32,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, univ_to_local/1, local_to_univ/1, bad_univ_to_local/1, bad_local_to_univ/1, + univ_to_seconds/1, seconds_to_univ/1, consistency/1, now_unique/1, now_update/1, timestamp/1]). @@ -59,7 +60,9 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [univ_to_local, local_to_univ, local_to_univ_utc, - bad_univ_to_local, bad_local_to_univ, consistency, + bad_univ_to_local, bad_local_to_univ, + univ_to_seconds, seconds_to_univ, + consistency, {group, now}, timestamp]. groups() -> @@ -162,6 +165,30 @@ bad_test_local_to_univ([Local|Rest]) -> bad_test_local_to_univ([]) -> ok. + +%% Test universaltime to seconds conversions +univ_to_seconds(Config) when is_list(Config) -> + test_univ_to_seconds(ok_utc_seconds()). + +test_univ_to_seconds([{Datetime, Seconds}|DSs]) -> + io:format("universaltime = ~p -> seconds = ~p", [Datetime, Seconds]), + Seconds = erlang:universaltime_to_seconds(Datetime), + test_univ_to_seconds(DSs); +test_univ_to_seconds([]) -> + ok. + +%% Test seconds to universaltime conversions +seconds_to_univ(Config) when is_list(Config) -> + test_seconds_to_univ(ok_utc_seconds()). + +test_seconds_to_univ([{Datetime, Seconds}|DSs]) -> + io:format("universaltime = ~p <- seconds = ~p", [Datetime, Seconds]), + Datetime = erlang:seconds_to_universaltime(Seconds), + test_seconds_to_univ(DSs); +test_seconds_to_univ([]) -> + ok. + + %% Test that the the different time functions return %% consistent results. (See the test case for assumptions %% and limitations.) @@ -453,6 +480,32 @@ dst_dates() -> {1998, 06, 3}, {1999, 06, 4}]. +%% exakt utc {date(), time()} which corresponds to the same seconds since 1 jan 1970 +%% negative seconds are ok +%% generated with date --date='1979-05-28 12:30:35 UTC' +%s +ok_utc_seconds() -> [ + { {{1970, 1, 1},{ 0, 0, 0}}, 0 }, + { {{1970, 1, 1},{ 0, 0, 1}}, 1 }, + { {{1969,12,31},{23,59,59}}, -1 }, + { {{1920,12,31},{23,59,59}}, -1546300801 }, + { {{1600,02,19},{15,14,08}}, -11671807552 }, + { {{1979,05,28},{12,30,35}}, 296742635 }, + { {{1999,12,31},{23,59,59}}, 946684799 }, + { {{2000, 1, 1},{ 0, 0, 0}}, 946684800 }, + { {{2000, 1, 1},{ 0, 0, 1}}, 946684801 }, + + { {{2038, 1,19},{03,14,07}}, 2147483647 }, % Sint32 full - 1 + { {{2038, 1,19},{03,14,08}}, 2147483648 }, % Sint32 full + { {{2038, 1,19},{03,14,09}}, 2147483649 }, % Sint32 full + 1 + + { {{2106, 2, 7},{ 6,28,14}}, 4294967294 }, % Uint32 full 0xFFFFFFFF - 1 + { {{2106, 2, 7},{ 6,28,15}}, 4294967295 }, % Uint32 full 0xFFFFFFFF + { {{2106, 2, 7},{ 6,28,16}}, 4294967296 }, % Uint32 full 0xFFFFFFFF + 1 + { {{2012,12, 6},{16,28,08}}, 1354811288 }, + { {{2412,12, 6},{16,28,08}}, 13977592088 } + ]. + + %% The following dates should not be near the end or beginning of %% a month, because they will be used to test when the dates are %% different in UTC and local time. |