X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/abb29b0b113102a7dea3e4691a853ee20e30f614..86e57ee7249734545974d4b8ba2de3bcea6575a3:/spec/timetable_spec.lua

diff --git a/spec/timetable_spec.lua b/spec/timetable_spec.lua
index a72a0f9..a80b9ad 100644
--- a/spec/timetable_spec.lua
+++ b/spec/timetable_spec.lua
@@ -34,4 +34,18 @@ 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)
 end )