check_parse 2008-02-14 bad
check_parse '2008-02-14 20:30:45' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
+check_parse '2008.02.14 20:30:45 -0500' '2008-02-14 20:30:45 -0500'
+check_parse '20080214T203045-04:00' '2008-02-14 20:30:45 -0400'
+check_parse '20080214T203045 -04:00' '2008-02-14 20:30:45 -0400'
+check_parse '20080214T203045.019-04:00' '2008-02-14 20:30:45 -0400'
+check_parse '2008-02-14 20:30:45.019-04:00' '2008-02-14 20:30:45 -0400'
check_parse '2008-02-14 20:30:45 -0015' '2008-02-14 20:30:45 -0015'
check_parse '2008-02-14 20:30:45 -5' '2008-02-14 20:30:45 +0000'
check_parse '2008-02-14 20:30:45 -5:' '2008-02-14 20:30:45 +0000'
check_approxidate 10.minutes.ago '2009-08-30 19:10:00'
check_approxidate yesterday '2009-08-29 19:20:00'
check_approxidate 3.days.ago '2009-08-27 19:20:00'
+check_approxidate '12:34:56.3.days.ago' '2009-08-27 12:34:56'
check_approxidate 3.weeks.ago '2009-08-09 19:20:00'
check_approxidate 3.months.ago '2009-05-30 19:20:00'
check_approxidate 2.years.3.months.ago '2007-05-30 19:20:00'