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-rw-r--r--erts/emulator/test/time_SUITE.erl330
1 files changed, 139 insertions, 191 deletions
diff --git a/erts/emulator/test/time_SUITE.erl b/erts/emulator/test/time_SUITE.erl
index 787870588d..9501569814 100644
--- a/erts/emulator/test/time_SUITE.erl
+++ b/erts/emulator/test/time_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -48,7 +48,7 @@
-export([local_to_univ_utc/1]).
--include_lib("test_server/include/test_server.hrl").
+-include_lib("common_test/include/ct.hrl").
-export([linear_time/1]).
@@ -69,7 +69,7 @@
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
[{testcase, Func}|Config].
-end_per_testcase(_Func, Config) ->
+end_per_testcase(_Func, _Config) ->
ok.
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -103,32 +103,29 @@ end_per_group(_GroupName, Config) ->
Config.
-local_to_univ_utc(suite) ->
- [];
-local_to_univ_utc(doc) ->
- ["Test that DST = true on timezones without DST is ignored"];
+%% Test that DST = true on timezones without DST is ignored
local_to_univ_utc(Config) when is_list(Config) ->
case os:type() of
{unix,_} ->
%% TZ variable has a meaning
- ?line {ok, Node} =
+ {ok, Node} =
test_server:start_node(local_univ_utc,peer,
[{args, "-env TZ UTC"}]),
- ?line {{2008,8,1},{0,0,0}} =
+ {{2008,8,1},{0,0,0}} =
rpc:call(Node,
erlang,localtime_to_universaltime,
[{{2008, 8, 1}, {0, 0, 0}},
false]),
- ?line {{2008,8,1},{0,0,0}} =
+ {{2008,8,1},{0,0,0}} =
rpc:call(Node,
erlang,localtime_to_universaltime,
[{{2008, 8, 1}, {0, 0, 0}},
true]),
- ?line [{{2008,8,1},{0,0,0}}] =
+ [{{2008,8,1},{0,0,0}}] =
rpc:call(Node,
calendar,local_time_to_universal_time_dst,
[{{2008, 8, 1}, {0, 0, 0}}]),
- ?line test_server:stop_node(Node),
+ test_server:stop_node(Node),
ok;
_ ->
{skip,"Only valid on Unix"}
@@ -138,24 +135,24 @@ local_to_univ_utc(Config) when is_list(Config) ->
%% Tests conversion from univeral to local time.
univ_to_local(Config) when is_list(Config) ->
- ?line test_univ_to_local(test_data()).
+ test_univ_to_local(test_data()).
test_univ_to_local([{Utc, Local}|Rest]) ->
- ?line io:format("Testing ~p => ~p~n", [Local, Utc]),
- ?line Local = erlang:universaltime_to_localtime(Utc),
- ?line test_univ_to_local(Rest);
+ io:format("Testing ~p => ~p~n", [Local, Utc]),
+ Local = erlang:universaltime_to_localtime(Utc),
+ test_univ_to_local(Rest);
test_univ_to_local([]) ->
ok.
%% Tests conversion from local to universal time.
local_to_univ(Config) when is_list(Config) ->
- ?line test_local_to_univ(test_data()).
+ test_local_to_univ(test_data()).
test_local_to_univ([{Utc, Local}|Rest]) ->
- ?line io:format("Testing ~p => ~p~n", [Utc, Local]),
- ?line Utc = erlang:localtime_to_universaltime(Local),
- ?line test_local_to_univ(Rest);
+ io:format("Testing ~p => ~p~n", [Utc, Local]),
+ Utc = erlang:localtime_to_universaltime(Local),
+ test_local_to_univ(Rest);
test_local_to_univ([]) ->
ok.
@@ -163,11 +160,11 @@ test_local_to_univ([]) ->
%% generate a badarg.
bad_univ_to_local(Config) when is_list(Config) ->
- ?line bad_test_univ_to_local(bad_dates()).
+ bad_test_univ_to_local(bad_dates()).
bad_test_univ_to_local([Utc|Rest]) ->
- ?line io:format("Testing ~p~n", [Utc]),
- ?line case catch erlang:universaltime_to_localtime(Utc) of
+ io:format("Testing ~p~n", [Utc]),
+ case catch erlang:universaltime_to_localtime(Utc) of
{'EXIT', {badarg, _}} -> bad_test_univ_to_local(Rest)
end;
bad_test_univ_to_local([]) ->
@@ -177,11 +174,11 @@ bad_test_univ_to_local([]) ->
%% generate a badarg.
bad_local_to_univ(Config) when is_list(Config) ->
- ?line bad_test_local_to_univ(bad_dates()).
+ bad_test_local_to_univ(bad_dates()).
bad_test_local_to_univ([Local|Rest]) ->
- ?line io:format("Testing ~p~n", [Local]),
- ?line case catch erlang:localtime_to_universaltime(Local) of
+ io:format("Testing ~p~n", [Local]),
+ case catch erlang:localtime_to_universaltime(Local) of
{'EXIT', {badarg, _}} -> bad_test_local_to_univ(Rest)
end;
bad_test_local_to_univ([]) ->
@@ -212,28 +209,22 @@ test_seconds_to_univ([]) ->
%% Test that the the different time functions return
-%% consistent results. (See the test case for assumptions
-%% and limitations.)
-consistency(Config) when is_list(Config) ->
- %% Test the following equations:
- %% date() & time() == erlang:localtime()
- %% erlang:universaltime() + timezone == erlang:localtime()
+%% consistent results.
+consistency(_Config) ->
+ %% Test that:
+ %% * date() & time() gives the same time as erlang:localtime()
%%
- %% Assumptions:
- %% Middle-European time zone, EU rules for daylight-saving time.
- %%
- %% Limitations:
- %% Localtime and universaltime must be in the same month.
- %% Daylight-saving calculations are incorrect from the last
- %% Sunday of March and October to the end of the month.
+ %% * the difference between erlang:universaltime() and
+ %% erlang:localtime() is reasonable (with assuming any
+ %% particular timezone)
- ?line ok = compare_date_time_and_localtime(16),
- ?line ok = compare_local_and_universal(16).
+ ok = compare_date_time_and_localtime(16),
+ compare_local_and_universal(16).
compare_date_time_and_localtime(Times) when Times > 0 ->
- ?line {Year, Mon, Day} = date(),
- ?line {Hour, Min, Sec} = time(),
- ?line case erlang:localtime() of
+ {Year, Mon, Day} = date(),
+ {Hour, Min, Sec} = time(),
+ case erlang:localtime() of
{{Year, Mon, Day}, {Hour, Min, Sec}} -> ok;
_ -> compare_date_time_and_localtime(Times-1)
end;
@@ -241,22 +232,18 @@ compare_date_time_and_localtime(0) ->
error.
compare_local_and_universal(Times) when Times > 0 ->
- case compare(erlang:universaltime(), erlang:localtime()) of
- true -> ok;
- false -> compare_local_and_universal(Times-1)
- end;
-compare_local_and_universal(0) ->
- error.
+ Utc = erlang:universaltime(),
+ Local = erlang:localtime(),
+ io:format("local = ~p, utc = ~p", [Local,Utc]),
-compare(Utc0, Local) ->
- io:format("local = ~p, utc = ~p", [Local, Utc0]),
- Utc = linear_time(Utc0)+effective_timezone(Utc0)*3600,
- case linear_time(Local) of
- Utc -> true;
- Other ->
- io:format("Failed: local = ~p, utc = ~p~n",
- [Other, Utc]),
- false
+ AcceptableDiff = 14*3600,
+ case linear_time(Utc) - linear_time(Local) of
+ Diff when abs(Diff) < AcceptableDiff ->
+ ok;
+ Diff ->
+ io:format("More than ~p seconds difference betwen "
+ "local and universal time", [Diff]),
+ ct:fail(huge_diff)
end.
%% This function converts a date and time to a linear time.
@@ -283,42 +270,10 @@ days_in_february(Year) ->
_ -> 28
end.
-%% This functions returns either the normal timezone or the
-%% the DST timezone, depending on the given UTC time.
-%%
-%% XXX This function uses an approximation of the EU rule for
-%% daylight saving time. This function will fail in the
-%% following intervals: After the last Sunday in March upto
-%% the end of March, and after the last Sunday in October
-%% upto the end of October.
-
-effective_timezone(Time) ->
- case os:type() of
- {unix,_} ->
- case os:cmd("date '+%Z'") of
- "SAST"++_ ->
- 2;
- _ ->
- effective_timezone1(Time)
- end;
- _ ->
- effective_timezone1(Time)
- end.
-
-effective_timezone1({{_Year,Mon,_Day}, _}) when Mon < 4 ->
- ?timezone;
-effective_timezone1({{_Year,Mon,_Day}, _}) when Mon > 10 ->
- ?timezone;
-effective_timezone1(_) ->
- ?dst_timezone.
-
%% Test (the bif) os:timestamp/0, which is something quite like, but not
%% similar to erlang:now...
-timestamp(suite) ->
- [];
-timestamp(doc) ->
- ["Test that os:timestamp works."];
+%% Test that os:timestamp works.
timestamp(Config) when is_list(Config) ->
try
repeating_timestamp_check(100000)
@@ -334,13 +289,13 @@ timestamp(Config) when is_list(Config) ->
true ->
{skip, "Seems to be time warp test run..."};
false ->
- test_server:fail(Failure)
+ ct:fail(Failure)
end
end.
os_system_time_offset() ->
erlang:convert_time_unit(os:system_time() - erlang:monotonic_time(),
- native, micro_seconds).
+ native, microsecond).
had_time_warp(Secs) ->
had_time_warp(os_system_time_offset(), Secs).
@@ -368,9 +323,7 @@ repeating_timestamp_check(N) ->
C < 1000000 ->
ok;
true ->
- test_server:fail(
- lists:flatten(
- io_lib:format("Strange return from os:timestamp/0 ~w~n",[TS])))
+ ct:fail("Strange return from os:timestamp/0 ~w~n",[TS])
end,
%% I assume the now and timestamp should not differ more than 1 hour,
%% which is safe assuming the system has not had a large time-warp
@@ -403,22 +356,22 @@ repeating_timestamp_check(N) ->
%% times (in microseconds).
now_unique(Config) when is_list(Config) ->
- ?line now_unique(1000, now(), []),
- ?line fast_now_unique(100000, now()).
+ now_unique(1000, now(), []),
+ fast_now_unique(100000, now()).
now_unique(N, Previous, Result) when N > 0 ->
- ?line case now() of
+ case now() of
Previous ->
- test_server:fail("now/0 returned the same value twice");
+ ct:fail("now/0 returned the same value twice");
New ->
now_unique(N-1, New, [New|Result])
end;
now_unique(0, _, [Then|Rest]) ->
- ?line now_calc_increment(Rest, microsecs(Then), []).
+ now_calc_increment(Rest, microsecs(Then), []).
now_calc_increment([Then|Rest], Previous, _Result) ->
- ?line This = microsecs(Then),
- ?line now_calc_increment(Rest, This, [Previous-This]);
+ This = microsecs(Then),
+ now_calc_increment(Rest, This, [Previous-This]);
now_calc_increment([], _, Differences) ->
{comment, "Median increment: " ++ integer_to_list(median(Differences))}.
@@ -426,15 +379,15 @@ fast_now_unique(0, _) -> ok;
fast_now_unique(N, Then) ->
case now() of
Then ->
- ?line ?t:fail("now/0 returned the same value twice");
+ ct:fail("now/0 returned the same value twice");
Now ->
fast_now_unique(N-1, Now)
end.
median(Unsorted_List) ->
- ?line Length = length(Unsorted_List),
- ?line List = lists:sort(Unsorted_List),
- ?line case Length rem 2 of
+ Length = length(Unsorted_List),
+ List = lists:sort(Unsorted_List),
+ case Length rem 2 of
0 -> % Even length.
[A, B] = lists:nthtail((Length div 2)-1, List),
(A+B)/2;
@@ -450,31 +403,30 @@ microsecs({Mega_Secs, Secs, Microsecs}) ->
%% calls to erlang:localtime().
now_update(Config) when is_list(Config) ->
- case ?t:is_debug() of
- false -> ?line now_update1(10);
+ case test_server:is_debug() of
+ false -> now_update1(10);
true -> {skip,"Unreliable in DEBUG build"}
end.
now_update1(N) when N > 0 ->
- ?line T1_linear = linear_time(erlang:localtime()),
- ?line T1_now = microsecs(now()),
+ T1_linear = linear_time(erlang:localtime()),
+ T1_now = microsecs(now()),
- ?line receive after 1008 -> ok end,
+ receive after 1008 -> ok end,
- ?line T2_linear = linear_time(erlang:localtime()),
- ?line T2_now = microsecs(now()),
+ T2_linear = linear_time(erlang:localtime()),
+ T2_now = microsecs(now()),
- ?line Linear_Diff = (T2_linear-T1_linear)*1000000,
- ?line Now_Diff = T2_now-T1_now,
- test_server:format("Localtime diff = ~p; now() diff = ~p",
- [Linear_Diff, Now_Diff]),
- ?line case abs(Linear_Diff - Now_Diff) of
+ Linear_Diff = (T2_linear-T1_linear)*1000000,
+ Now_Diff = T2_now-T1_now,
+ io:format("Localtime diff = ~p; now() diff = ~p", [Linear_Diff, Now_Diff]),
+ case abs(Linear_Diff - Now_Diff) of
Abs_Delta when Abs_Delta =< 40000 -> ok;
_ -> now_update1(N-1)
end;
now_update1(0) ->
- ?line test_server:fail().
+ ct:fail("now_update zero").
time_warp_modes(Config) when is_list(Config) ->
%% All time warp modes always supported in
@@ -536,12 +488,12 @@ check_time_warp_mode(Config, TimeCorrection, TimeWarpMode) ->
MonotonicTimeUnit = rpc:call(Node,
erlang,
convert_time_unit,
- [1, seconds, native]),
+ [1, second, native]),
UpMilliSeconds = erlang:convert_time_unit(MonotonicTime - StartTime,
MonotonicTimeUnit,
- milli_seconds),
+ millisecond),
io:format("UpMilliSeconds=~p~n", [UpMilliSeconds]),
- End = erlang:monotonic_time(milli_seconds),
+ End = erlang:monotonic_time(millisecond),
stop_node(Node),
try
true = (UpMilliSeconds > (98*MonotonicityTimeout) div 100),
@@ -551,14 +503,14 @@ check_time_warp_mode(Config, TimeCorrection, TimeWarpMode) ->
io:format("Uptime inconsistency", []),
case {TimeCorrection, erlang:system_info(time_correction)} of
{true, true} ->
- ?t:fail(uptime_inconsistency);
+ ct:fail(uptime_inconsistency);
{true, false} ->
_ = erlang:time_offset(),
receive
{'CHANGE', Mon, time_offset, clock_service, _} ->
ignore
after 1000 ->
- ?t:fail(uptime_inconsistency)
+ ct:fail(uptime_inconsistency)
end;
_ ->
ignore
@@ -728,10 +680,10 @@ check_time_offset_res_conv(Mon, Res) ->
TORes2 ->
case check_time_offset_change(Mon, TO, 1000) of
{TO, false} ->
- ?t:fail({time_unit_conversion_inconsistency,
+ ct:fail({time_unit_conversion_inconsistency,
TO, TORes, TORes2});
{_NewTO, true} ->
- ?t:format("time_offset changed", []),
+ io:format("time_offset changed", []),
check_time_offset_res_conv(Mon, Res)
end
end.
@@ -776,25 +728,21 @@ chk_strc(Res0, Res1) ->
ok.
chk_random_values(FR, TR) ->
-% case (FR rem TR == 0) orelse (TR rem FR == 0) of
-% true ->
- io:format("rand values ~p -> ~p~n", [FR, TR]),
- random:seed(268438039, 268440479, 268439161),
- Values = lists:map(fun (_) -> random:uniform(1 bsl 65) - (1 bsl 64) end,
- lists:seq(1, 100000)),
- CheckFun = fun (V) ->
- CV = erlang:convert_time_unit(V, FR, TR),
- case {(FR*CV) div TR =< V,
- (FR*(CV+1)) div TR >= V} of
- {true, true} ->
- ok;
- Failure ->
- ?t:fail({Failure, CV, V, FR, TR})
- end
- end,
- lists:foreach(CheckFun, Values).%;
-% false -> ok
-% end.
+ io:format("rand values ~p -> ~p~n", [FR, TR]),
+ rand:seed(exsplus, {268438039,268440479,268439161}),
+ Values = lists:map(fun (_) -> rand:uniform(1 bsl 65) - (1 bsl 64) end,
+ lists:seq(1, 100000)),
+ CheckFun = fun (V) ->
+ CV = erlang:convert_time_unit(V, FR, TR),
+ case {(FR*CV) div TR =< V,
+ (FR*(CV+1)) div TR >= V} of
+ {true, true} ->
+ ok;
+ Failure ->
+ ct:fail({Failure, CV, V, FR, TR})
+ end
+ end,
+ lists:foreach(CheckFun, Values).
chk_values_per_value(_FromRes, _ToRes,
@@ -805,7 +753,7 @@ chk_values_per_value(_FromRes, _ToRes,
case ((MinFromValuesPerToValue =< FromValueCount)
andalso (FromValueCount =< MaxFromValuesPerToValue)) of
false ->
- ?t:fail({MinFromValuesPerToValue,
+ ct:fail({MinFromValuesPerToValue,
FromValueCount,
MaxFromValuesPerToValue});
true ->
@@ -815,28 +763,28 @@ chk_values_per_value(FromRes, ToRes, Value, EndValue,
MinFromValuesPerToValue, MaxFromValuesPerToValue,
ToValue, FromValueCount) ->
case erlang:convert_time_unit(Value, FromRes, ToRes) of
- ToValue ->
- chk_values_per_value(FromRes, ToRes,
- Value+1, EndValue,
- MinFromValuesPerToValue,
- MaxFromValuesPerToValue,
- ToValue, FromValueCount+1);
- NewToValue ->
- case ((MinFromValuesPerToValue =< FromValueCount)
- andalso (FromValueCount =< MaxFromValuesPerToValue)) of
- false ->
- ?t:fail({MinFromValuesPerToValue,
- FromValueCount,
- MaxFromValuesPerToValue});
- true ->
-% io:format("~p -> ~p [~p]~n",
-% [Value, NewToValue, FromValueCount]),
- chk_values_per_value(FromRes, ToRes,
- Value+1, EndValue,
- MinFromValuesPerToValue,
- MaxFromValuesPerToValue,
- NewToValue, 1)
- end
+ ToValue ->
+ chk_values_per_value(FromRes, ToRes,
+ Value+1, EndValue,
+ MinFromValuesPerToValue,
+ MaxFromValuesPerToValue,
+ ToValue, FromValueCount+1);
+ NewToValue ->
+ case ((MinFromValuesPerToValue =< FromValueCount)
+ andalso (FromValueCount =< MaxFromValuesPerToValue)) of
+ false ->
+ ct:fail({MinFromValuesPerToValue,
+ FromValueCount,
+ MaxFromValuesPerToValue});
+ true ->
+ % io:format("~p -> ~p [~p]~n",
+ % [Value, NewToValue, FromValueCount]),
+ chk_values_per_value(FromRes, ToRes,
+ Value+1, EndValue,
+ MinFromValuesPerToValue,
+ MaxFromValuesPerToValue,
+ NewToValue, 1)
+ end
end.
erlang_timestamp(Config) when is_list(Config) ->
@@ -849,11 +797,11 @@ erlang_timestamp(Config) when is_list(Config) ->
check_erlang_timestamp(Done, Mon, TO) ->
receive
- {timeout, Done, timeout} ->
- erlang:demonitor(Mon, [flush]),
- ok
+ {timeout, Done, timeout} ->
+ erlang:demonitor(Mon, [flush]),
+ ok
after 0 ->
- do_check_erlang_timestamp(Done, Mon, TO)
+ do_check_erlang_timestamp(Done, Mon, TO)
end.
do_check_erlang_timestamp(Done, Mon, TO) ->
@@ -862,10 +810,10 @@ do_check_erlang_timestamp(Done, Mon, TO) ->
MaxMon = erlang:monotonic_time(),
TsMin = erlang:convert_time_unit(MinMon+TO,
native,
- micro_seconds),
+ microsecond),
TsMax = erlang:convert_time_unit(MaxMon+TO,
native,
- micro_seconds),
+ microsecond),
TsTime = (MegaSec*1000000+Sec)*1000000+MicroSec,
case (TsMin =< TsTime) andalso (TsTime =< TsMax) of
true ->
@@ -878,13 +826,13 @@ do_check_erlang_timestamp(Done, Mon, TO) ->
check_erlang_timestamp(Done, Mon, NewTO);
false ->
io:format("TsMin=~p TsTime=~p TsMax=~p~n", [TsMin, TsTime, TsMax]),
- ?t:format("Detected inconsistency; "
+ io:format("Detected inconsistency; "
"checking for time_offset change...", []),
case check_time_offset_change(Mon, TO, 1000) of
{TO, false} ->
- ?t:fail(timestamp_inconsistency);
+ ct:fail(timestamp_inconsistency);
{NewTO, true} ->
- ?t:format("time_offset changed", []),
+ io:format("time_offset changed", []),
check_erlang_timestamp(Done, Mon, NewTO)
end
end.
@@ -925,13 +873,13 @@ test_data() ->
_ ->
{?timezone,?dst_timezone}
end,
- ?line test_data(nondst_dates(), TZ) ++
+ test_data(nondst_dates(), TZ) ++
test_data(dst_dates(), DSTTZ) ++
crossover_test_data(crossover_dates(), TZ).
%% test_data1() ->
-%% ?line test_data(nondst_dates(), ?timezone) ++
+%% test_data(nondst_dates(), ?timezone) ++
%% test_data(dst_dates(), ?dst_timezone) ++
%% crossover_test_data(crossover_dates(), ?timezone).
@@ -939,16 +887,16 @@ crossover_test_data([{Year, Month, Day}|Rest], TimeZone) when TimeZone > 0 ->
Hour = 23,
Min = 35,
Sec = 55,
- ?line Utc = {{Year, Month, Day}, {Hour, Min, Sec}},
- ?line Local = {{Year, Month, Day+1}, {Hour+TimeZone-24, Min, Sec}},
- ?line [{Utc, Local}|crossover_test_data(Rest, TimeZone)];
+ Utc = {{Year, Month, Day}, {Hour, Min, Sec}},
+ Local = {{Year, Month, Day+1}, {Hour+TimeZone-24, Min, Sec}},
+ [{Utc, Local}|crossover_test_data(Rest, TimeZone)];
crossover_test_data([{Year, Month, Day}|Rest], TimeZone) when TimeZone < 0 ->
Hour = 0,
Min = 23,
Sec = 12,
- ?line Utc = {{Year, Month, Day}, {Hour, Min, Sec}},
- ?line Local = {{Year, Month, Day-1}, {Hour+TimeZone+24, Min, Sec}},
- ?line [{Utc, Local}|crossover_test_data(Rest, TimeZone)];
+ Utc = {{Year, Month, Day}, {Hour, Min, Sec}},
+ Local = {{Year, Month, Day-1}, {Hour+TimeZone+24, Min, Sec}},
+ [{Utc, Local}|crossover_test_data(Rest, TimeZone)];
crossover_test_data([], _) ->
[].
@@ -956,9 +904,9 @@ test_data([Date|Rest], TimeZone) ->
Hour = 12,
Min = 45,
Sec = 7,
- ?line Utc = {Date, {Hour, Min, Sec}},
- ?line Local = {Date, {Hour+TimeZone, Min, Sec}},
- ?line [{Utc, Local}|test_data(Rest, TimeZone)];
+ Utc = {Date, {Hour, Min, Sec}},
+ Local = {Date, {Hour+TimeZone, Min, Sec}},
+ [{Utc, Local}|test_data(Rest, TimeZone)];
test_data([], _) ->
[].
@@ -1049,7 +997,7 @@ start_node(Config) ->
start_node(Config, "").
start_node(Config, Args) ->
- TestCase = ?config(testcase, Config),
+ TestCase = proplists:get_value(testcase, Config),
PA = filename:dirname(code:which(?MODULE)),
ESTime = erlang:monotonic_time(1) + erlang:time_offset(1),
Unique = erlang:unique_integer([positive]),
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 03:00:49 +0000