X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/6237e6cb540b93ff099dcbacdf26d155ea330df8..b6912d6d22b3c6fc635e602412bdb83884630a38:/spec/timetable_spec.lua
diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua
index 38ded15..930d36b 100644
--- a/spec/timetable_spec.lua
+++ b/spec/timetable_spec.lua
@@ -1,15 +1,5 @@
-describe ( "Time table library" , function ( )
- local timetable = require "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 )
+describe ( "Timetable library" , function ( )
+ local timetable = require "luatz.timetable"
local function native_normalise ( year , month , day )
return os.date("*t",os.time{
@@ -19,7 +9,20 @@ describe ( "Time table library" , function ( )
})
end
- it ( "Get day of week correct" , function ( )
+ 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 (
@@ -35,6 +38,11 @@ describe ( "Time table library" , function ( )
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 )
local function native_timestamp ( year , month , day )
@@ -43,11 +51,76 @@ describe ( "Time table library" , function ( )
) ):read "*l" ) )
end
- it ( "Timestamp creation is valid" , function ( )
+ 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 ( "#normalise handles out of range days in a year" , function ( )
+ assert.same({ 2014,1,1,0,0,0 }, { timetable.normalise(2013,1,366,0,0,0) })
+ assert.same({ 2014,2,4,0,0,0 }, { timetable.normalise(2013,1,400,0,0,0) })
+ assert.same({ 2017,2,3,0,0,0 }, { timetable.normalise(2016,1,400,0,0,0) })
+ assert.same({ 2016,3,5,0,0,0 }, { timetable.normalise(2015,1,430,0,0,0) })
+ assert.same({ 2017,3,5,0,0,0 }, { timetable.normalise(2016,1,430,0,0,0) })
+ assert.same({ 2027,5,18,0,0,0 }, { timetable.normalise(2000,1,10000,0,0,0) })
+ assert.same({ 29379,1,25,0,0,0 }, { timetable.normalise(2000,1,10000000,0,0,0) })
+ end )
+
+ it ( "#normalise handles out of range days in a #month" , function ( )
+ assert.same({ 2012,12,1,0,0,0 }, { timetable.normalise(2013,0,1,0,0,0) })
+ assert.same({ 2016,6,1,0,0,0 }, { timetable.normalise(2013,42,1,0,0,0) })
+
+ -- Correct behaviour around leap days
+ assert.same({ 2012,3,23,0,0,0 }, { timetable.normalise(2012,2,52,0,0,0) })
+ assert.same({ 2013,3,24,0,0,0 }, { timetable.normalise(2013,2,52,0,0,0) })
+
+ assert.same({ 2012,2,26,0,0,0 }, { timetable.normalise(2012,3,-2,0,0,0) })
+ assert.same({ 2013,2,27,0,0,0 }, { timetable.normalise(2013,3,-2,0,0,0) })
+
+ -- Also when more fields are out of range
+ assert.same({ 2016,7,22,0,0,0 }, { timetable.normalise(2013,42,52,0,0,0) })
+ assert.same({ 2016,7,24,2,0,0 }, { timetable.normalise(2013,42,52,50,0,0) })
+ end )
+
+ it ( "#normalise handles fractional #month" , function ( )
+ assert.same({ 2015,2,15,0,0,0 } , { timetable.normalise(2014,14.5,1,0,0,0) })
+ assert.same({ 2016,2,15,12,0,0 } , { timetable.normalise(2015,14.5,1,0,0,0) }) -- leap year, so hours is 12
+ assert.same({ 2017,2,15,0,0,0 } , { timetable.normalise(2016,14.5,1,0,0,0) })
+ end )
+
+ it ( "#normalise handles negative carry (issue #10)", function()
+ assert.same({ 1970,01,01,00,59,00 }, { timetable.normalise(1970,01,01,01,00,-60) })
+ assert.same({ 1970,01,01,00,58,58 }, { timetable.normalise(1970,01,01,01,00,-62) })
+ assert.same({ 1969,12,31,23,55,58 }, { timetable.normalise(1970,01,01,01,-63,-62) })
+ assert.same({ 2017,02,3,0,0,0 }, { timetable.normalise(2017,02,13,0,-14400,0) })
+ 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 )
+
+ it("#rfc_3339 works with fractional milliseconds", function()
+ -- on lua 5.3 this used to throw an error due to milliseconds not being an integer
+ timetable.new_from_timestamp(1415141759.999911111):rfc_3339()
+ end)
+
+ it("#rfc_3339 doesn't round seconds up to 60 (issue #4)", function()
+ assert.same("2014-11-04T22:55:59.999", timetable.new_from_timestamp(1415141759.999911111):rfc_3339())
+ assert.same("1970-01-01T00:00:59.999", timetable.new_from_timestamp(59.9999999):rfc_3339())
+ assert.same("1969-12-31T23:59:59.999", timetable.new_from_timestamp(-0.001):rfc_3339())
+ assert.same("1969-12-31T23:59:00.000", timetable.new_from_timestamp(-59.9999999):rfc_3339())
end)
end )