All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
1 describe ( "Timetable library" , function ( )
2 local timetable = require "luatz.timetable"
4 local function native_normalise ( year , month , day )
5 return os.date("*t",os.time{
12 it ( "#is_leap is correct" , function ( )
13 assert.same ( false , timetable.is_leap ( 1 ) )
14 assert.same ( false , timetable.is_leap ( 3 ) )
15 assert.same ( true , timetable.is_leap ( 4 ) )
16 assert.same ( true , timetable.is_leap ( 2000 ) )
17 assert.same ( true , timetable.is_leap ( 2004 ) )
18 assert.same ( true , timetable.is_leap ( 2012 ) )
19 assert.same ( false , timetable.is_leap ( 2013 ) )
20 assert.same ( false , timetable.is_leap ( 2014 ) )
21 assert.same ( false , timetable.is_leap ( 2100 ) )
22 assert.same ( true , timetable.is_leap ( 2400 ) )
25 it ( "#normalise gets #wday (day of week) correct" , function ( )
27 local function assert_same_wday ( year , month , day )
28 return assert.are.same (
29 native_normalise ( year , month , day ).wday ,
30 timetable.new ( year , month , day ):normalise().wday
34 assert_same_wday ( 2013 , 7 , 23 )
35 assert_same_wday ( 2013 , 7 , 24 )
36 assert_same_wday ( 2013 , 7 , 25 )
37 assert_same_wday ( 2013 , 7 , 26 )
38 assert_same_wday ( 2013 , 7 , 27 )
39 assert_same_wday ( 2013 , 7 , 28 )
40 assert_same_wday ( 2013 , 7 , 29 )
41 assert_same_wday ( 2014 , 1 , 1 )
42 assert_same_wday ( 2014 , 1 , 6 )
43 assert_same_wday ( 2016 , 2 , 28 )
44 assert_same_wday ( 2016 , 2 , 29 )
45 assert_same_wday ( 2016 , 3 , 1 )
48 local function native_timestamp ( year , month , day )
49 return assert ( tonumber ( assert ( io.popen (
50 string.format('date -u -d "%d-%d-%d" +%%s', year , month , day )
54 it ( "#timestamp creation is valid" , function ( )
57 assert.same ( native_timestamp ( y,m,1 ) , timetable.timestamp(y,m,1,0,0,0) )
62 it ( "#normalise handles out of range days in a year" , function ( )
63 assert.same ( { timetable.normalise(2013,1,366,0,0,0) } , { 2014,1,1,0,0,0 } )
64 assert.same ( { timetable.normalise(2013,1,400,0,0,0) } , { 2014,2,4,0,0,0 } )
65 assert.same ( { timetable.normalise(2016,1,400,0,0,0) } , { 2017,2,3,0,0,0 } )
66 assert.same ( { timetable.normalise(2015,1,430,0,0,0) } , { 2016,3,5,0,0,0 } )
67 assert.same ( { timetable.normalise(2016,1,430,0,0,0) } , { 2017,3,5,0,0,0 } )
68 assert.same ( { timetable.normalise(2000,1,10000,0,0,0) } , { 2027,5,18,0,0,0 } )
69 assert.same ( { timetable.normalise(2000,1,10000000,0,0,0) } , { 29379,1,25,0,0,0 } )
72 it ( "#normalise handles out of range days in a #month" , function ( )
73 assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } )
74 assert.same ( { timetable.normalise(2013,42,1,0,0,0) } , { 2016,6,1,0,0,0 } )
76 -- Correct behaviour around leap days
77 assert.same ( { timetable.normalise(2012,2,52,0,0,0) } , { 2012,3,23,0,0,0 } )
78 assert.same ( { timetable.normalise(2013,2,52,0,0,0) } , { 2013,3,24,0,0,0 } )
80 assert.same ( { timetable.normalise(2012,3,-2,0,0,0) } , { 2012,2,26,0,0,0 } )
81 assert.same ( { timetable.normalise(2013,3,-2,0,0,0) } , { 2013,2,27,0,0,0 } )
83 -- Also when more fields are out of range
84 assert.same ( { timetable.normalise(2013,42,52,0,0,0) } , { 2016,7,22,0,0,0 } )
85 assert.same ( { timetable.normalise(2013,42,52,50,0,0) } , { 2016,7,24,2,0,0 } )
88 it ( "#normalise handles fractional #month" , function ( )
89 assert.same ( { timetable.normalise(2014,14.5,1,0,0,0) } , { 2015,2,15,0,0,0 } )
90 assert.same ( { timetable.normalise(2015,14.5,1,0,0,0) } , { 2016,2,15,12,0,0 } ) -- leap year, so hours is 12
91 assert.same ( { timetable.normalise(2016,14.5,1,0,0,0) } , { 2017,2,15,0,0,0 } )
94 local function round_trip_add(t, field, x)
95 local before = t:clone()
100 assert.same(0, t-before)
102 it ( "#normalise round trips" , function ( )
103 round_trip_add(timetable.new(2000,2,28,0,0,0), "month", 0.5)
104 round_trip_add(timetable.new(2014,8,28,19,23,0), "month", 0.4)
105 round_trip_add(timetable.new(2014,14.5,28,0,0,0), "month", 0.4)