This page contains automated test results for code from O'Reilly's Ruby Cookbook. If this code looks interesting or useful, you might want to buy the whole book.

Date and Time
CodeExpectedActual
Time.now
 Sat Mar 18 14:49:30 EST 2006 Fri Apr 14 17:24:44 EDT 2006 
Time.at(0)
 Wed Dec 31 19:00:00 EST 1969 Wed Dec 31 19:00:00 EST 1969 
t = Time.at(0)
t.sec
 0 0 
t.min
 0 0 
t.hour
 19 19 
t.day
 31 31 
t.month
 12 12 
t.year
 1969 1969 
t.wday
 3 3 
t.yday
 365 365 
t.isdst
 false false 
t.zone
 "EST" "EST" 
Time.local(1865, 4, 9)
 
ArgumentError: time out of range
...
 
ArgumentError: time out of range
	from (irb):14:in `local'
	from (irb):14

Time.local(2100, 1, 1)
 
ArgumentError: time out of range
...
 
ArgumentError: time out of range
	from (irb):15:in `local'
	from (irb):15

require 'date'
DateTime::new(1865, 4, 9).to_s
 "1865-04-09T00:00:00Z" "1865-04-09T00:00:00Z" 
DateTime::new(2100, 1, 1).to_s
 "2100-01-01T00:00:00Z" "2100-01-01T00:00:00Z" 
DateTime::new.to_s
 "-4712-01-01T00:00:00Z" "-4712-01-01T00:00:00Z" 
DateTime::now.to_s
 "2006-03-18T14:53:18-0500" "2006-04-14T17:24:44-0400" 
Time.local(1865,4,9)
 
Sun Apr 09 00:00:00 EWT 1865
 
Error! (Exception?) Here's stdout:
ArgumentError: time out of range
	from (irb):21:in `local'
	from (irb):21

Time.local(2100,1,1)
 
Fri Jan 01 00:00:00 EST 2100
 
Error! (Exception?) Here's stdout:
ArgumentError: time out of range
	from (irb):22:in `local'
	from (irb):22