describe ( "Time table library" , function ( )
- local timetable = require "timetable"
+ local timetable = require "luatz.timetable"
- it ( "Doomsday calculation" , function ( )
- local doomsday = timetable.doomsday
-
- -- Doomsday in Gregorian calendar for 2013 is Thursday.
- assert.are.same ( 5 , doomsday(2013) )
-
- assert.are.same ( 3 , doomsday(1967) )
- assert.are.same ( 5 , doomsday(1968) )
- end )
+ local function native_normalise ( year , month , day )
+ return os.date("*t",os.time{
+ year = year ;
+ month = month ;
+ day = day ;
+ })
+ end
it ( "Get day of week correct" , function ( )
- local function native_normalise ( year , month , day )
- return os.date("*t",os.time{
- year = year ;
- month = month ;
- day = day ;
- })
- end
+
local function assert_same_wday ( year , month , day )
return assert.are.same (
native_normalise ( year , month , day ).wday ,
assert_same_wday ( 2013 , 7 , 27 )
assert_same_wday ( 2013 , 7 , 28 )
assert_same_wday ( 2013 , 7 , 29 )
+ assert_same_wday ( 2014 , 1 , 1 )
+ assert_same_wday ( 2014 , 1 , 6 )
+ assert_same_wday ( 2016 , 2 , 28 )
+ end )
+
+ local function native_timestamp ( year , month , day )
+ return assert ( tonumber ( assert ( io.popen (
+ string.format('date -u -d "%d-%d-%d" +%%s', year , month , day )
+ ) ):read "*l" ) )
+ end
+
+ it ( "Timestamp creation is valid" , function ( )
+ for y=1950,2013 do
+ for m=1,12 do
+ assert.same ( native_timestamp ( y,m,1 ) , timetable.timestamp(y,m,1,0,0,0) )
+ end
+ end
+ end )
+
+ it ( "Out of range month is normalised" , function ( )
+ assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } )
end )
end )