examples/date_arithmetic: Add an example that shows of date arithmetic

[etc/awesome.git] / spec / timetable_spec.lua

diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua
index a72a0f9b50a5db77ea019b7103f4884a3f329466..4cadbbc46101d8de751b42a276cc8e1e11729592 100644 (file)
--- a/spec/timetable_spec.lua
+++ b/spec/timetable_spec.lua
@@ -1,5 +1,5 @@
 describe ( "Time table library" , function ( )
-       local timetable = require "timetable"
+       local timetable = require "luatz.timetable"
 
        it ( "Doomsday calculation" , function ( )
                local doomsday = timetable.doomsday
@@ -11,14 +11,16 @@ describe ( "Time table library" , function ( )
                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 ,
@@ -34,4 +36,22 @@ describe ( "Time table library" , function ( )
                assert_same_wday ( 2013 , 7 , 28 )
                assert_same_wday ( 2013 , 7 , 29 )
        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 )