-describe ( "Time table library" , function ( )
- local timetable = require "timetable"
+describe ( "Timetable library" , function ( )
+ local timetable = require "luatz.timetable"
- it ( "Doomsday calculation" , function ( )
- local doomsday = timetable.doomsday
+ local function native_normalise ( year , month , day )
+ return os.date("*t",os.time{
+ year = year ;
+ month = month ;
+ day = day ;
+ })
+ end
- -- Doomsday in Gregorian calendar for 2013 is Thursday.
- assert.are.same ( 5 , doomsday(2013) )
+ it ( "#is_leap is correct" , function ( )
+ assert.same ( false , timetable.is_leap ( 1 ) )
+ assert.same ( false , timetable.is_leap ( 3 ) )
+ assert.same ( true , timetable.is_leap ( 4 ) )
+ assert.same ( true , timetable.is_leap ( 2000 ) )
+ assert.same ( true , timetable.is_leap ( 2004 ) )
+ assert.same ( true , timetable.is_leap ( 2012 ) )
+ assert.same ( false , timetable.is_leap ( 2013 ) )
+ assert.same ( false , timetable.is_leap ( 2014 ) )
+ assert.same ( false , timetable.is_leap ( 2100 ) )
+ assert.same ( true , timetable.is_leap ( 2400 ) )
+ end )
+
+ it ( "#normalise gets #wday (day of week) correct" , function ( )
+
+ local function assert_same_wday ( year , month , day )
+ return assert.are.same (
+ native_normalise ( year , month , day ).wday ,
+ timetable.new ( year , month , day ):normalise().wday
+ )
+ end
- assert.are.same ( 3 , doomsday(1967) )
- assert.are.same ( 5 , doomsday(1968) )
+ assert_same_wday ( 2013 , 7 , 23 )
+ assert_same_wday ( 2013 , 7 , 24 )
+ assert_same_wday ( 2013 , 7 , 25 )
+ assert_same_wday ( 2013 , 7 , 26 )
+ 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 )
+ assert_same_wday ( 2016 , 2 , 29 )
+ assert_same_wday ( 2016 , 3 , 1 )
end )
- it ( "Get day of week correct" , function ( )
- local function native_normalise ( tbl )
- return os.date("*t",os.time(tbl))
+ 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
- local tbl = {
- year = 2013 ;
- month = 7 ;
- day = 23 ;
- }
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=24
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=25
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=26
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=27
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=28
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
- tbl.day=29
- assert.are.same ( native_normalise ( tbl ).wday , timetable.normalise ( tbl ).wday )
+ end )
+
+ it ( "#normalise handles out of range days in a year" , function ( )
+ assert.same ( { timetable.normalise(2013,1,366,0,0,0) } , { 2014,1,1,0,0,0 } )
+ assert.same ( { timetable.normalise(2013,1,400,0,0,0) } , { 2014,2,4,0,0,0 } )
+ assert.same ( { timetable.normalise(2016,1,400,0,0,0) } , { 2017,2,3,0,0,0 } )
+ assert.same ( { timetable.normalise(2015,1,430,0,0,0) } , { 2016,3,5,0,0,0 } )
+ assert.same ( { timetable.normalise(2016,1,430,0,0,0) } , { 2017,3,5,0,0,0 } )
+ assert.same ( { timetable.normalise(2000,1,10000,0,0,0) } , { 2027,5,18,0,0,0 } )
+ assert.same ( { timetable.normalise(2000,1,10000000,0,0,0) } , { 29379,1,25,0,0,0 } )
+ end )
+
+ it ( "#normalise handles out of range days in a #month" , function ( )
+ assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } )
+ assert.same ( { timetable.normalise(2013,42,1,0,0,0) } , { 2016,6,1,0,0,0 } )
+
+ -- Correct behaviour around leap days
+ assert.same ( { timetable.normalise(2012,2,52,0,0,0) } , { 2012,3,23,0,0,0 } )
+ assert.same ( { timetable.normalise(2013,2,52,0,0,0) } , { 2013,3,24,0,0,0 } )
+
+ assert.same ( { timetable.normalise(2012,3,-2,0,0,0) } , { 2012,2,26,0,0,0 } )
+ assert.same ( { timetable.normalise(2013,3,-2,0,0,0) } , { 2013,2,27,0,0,0 } )
+
+ -- Also when more fields are out of range
+ assert.same ( { timetable.normalise(2013,42,52,0,0,0) } , { 2016,7,22,0,0,0 } )
+ assert.same ( { timetable.normalise(2013,42,52,50,0,0) } , { 2016,7,24,2,0,0 } )
+ end )
+
+ it ( "#normalise handles fractional #month" , function ( )
+ assert.same ( { timetable.normalise(2014,14.5,1,0,0,0) } , { 2015,2,15,0,0,0 } )
+ assert.same ( { timetable.normalise(2015,14.5,1,0,0,0) } , { 2016,2,15,12,0,0 } ) -- leap year, so hours is 12
+ assert.same ( { timetable.normalise(2016,14.5,1,0,0,0) } , { 2017,2,15,0,0,0 } )
+ end )
+
+ local function round_trip_add(t, field, x)
+ local before = t:clone()
+ t[field]=t[field]+x;
+ t:normalise();
+ t[field]=t[field]-x;
+ t:normalise();
+ assert.same(0, t-before)
+ end
+ it ( "#normalise round trips" , function ( )
+ round_trip_add(timetable.new(2000,2,28,0,0,0), "month", 0.5)
+ round_trip_add(timetable.new(2014,8,28,19,23,0), "month", 0.4)
+ round_trip_add(timetable.new(2014,14.5,28,0,0,0), "month", 0.4)
end )
end )
projects / etc / awesome.git / blobdiff