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.

Converting Between Numeric Bases
CodeExpectedActual
0b100
 4 4 
0o100
 64 64 
0x100
 256 256 
"1045".to_i(10)
 1045 1045 
"-1001001".to_i(2)
 -73 -73 
"abc".to_i(16)
 2748 2748 
"abc".to_i(20)
 4232 4232 
"number".to_i(36)
 1442151747 1442151747 
"zz1z".to_i(36)
 1678391 1678391 
"abcdef".to_i(16)
 11259375 11259375 
"AbCdEf".to_i(16)
 11259375 11259375 
42.to_s(10)
 "42" "42" 
-100.to_s(2)
 "-1100100" "-1100100" 
255.to_s(16)
 "ff" "ff" 
1442151747.to_s(36)
 "number" "number" 
"6".to_i(2)
 0 0 
"0".to_i(1)
 
ArgumentError: illegal radix 1
...
 
ArgumentError: illegal radix 1
	from (irb):17:in `to_i'
	from (irb):17

40.to_s(37)
 
ArgumentError: illegal radix 37
...
 
ArgumentError: illegal radix 37
	from (irb):18:in `to_s'
	from (irb):18