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 )
46 local function native_timestamp ( year , month , day )
47 return assert ( tonumber ( assert ( io.popen (
48 string.format('date -u -d "%d-%d-%d" +%%s', year , month , day )
52 it ( "#timestamp creation is valid" , function ( )
55 assert.same ( native_timestamp ( y,m,1 ) , timetable.timestamp(y,m,1,0,0,0) )
60 it ( "#normalise handles out of range days in a #month" , function ( )
61 assert.same ( { timetable.normalise(2013,0,1,0,0,0) } , { 2012,12,1,0,0,0 } )
62 assert.same ( { timetable.normalise(2013,42,1,0,0,0) } , { 2016,6,1,0,0,0 } )
64 -- Correct behaviour around leap days
65 assert.same ( { timetable.normalise(2012,2,52,0,0,0) } , { 2012,3,23,0,0,0 } )
66 assert.same ( { timetable.normalise(2013,2,52,0,0,0) } , { 2013,3,24,0,0,0 } )
68 assert.same ( { timetable.normalise(2012,3,-2,0,0,0) } , { 2012,2,26,0,0,0 } )
69 assert.same ( { timetable.normalise(2013,3,-2,0,0,0) } , { 2013,2,27,0,0,0 } )
71 -- Also when more fields are out of range
72 assert.same ( { timetable.normalise(2013,42,52,0,0,0) } , { 2016,7,22,0,0,0 } )
73 assert.same ( { timetable.normalise(2013,42,52,50,0,0) } , { 2016,7,24,2,0,0 } )