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.

Strings
CodeExpectedActual
string = 'My first string'
=> "My first string"
string = 'My first string'
 "My first string" "My first string" 
string.length
 15 15 
string.length()
 15 15 
string.count 'i'
 2 2 
string.count('i')
 2 2 
string.length.next
 16 16 
french_string = "il \xc3\xa9tait une fois"
 "il \303\251tait une fois" "il \303\251tait une fois" 
french_string.length
 18 18 
puts "This string\ncontains a newline"
 
This string
contains a newline
 
This string
contains a newline
 
puts 'it may look like this string contains a newline\nbut it doesn\'t'
 
it may look like this string contains a newline\nbut it doesn't
 
it may look like this string contains a newline\nbut it doesn't
 
puts 'Here is a backslash: \\ '
 
Here is a backslash: \
 
Here is a backslash: \
 
long_string = <<EOF
Here is a long string
With many paragraphs
EOF
 "Here is a long string\nWith many paragraphs\n" "Here is a long string\nWith many paragraphs\n" 
puts long_string
 
Here is a long string
With many paragraphs
 
Here is a long string
With many paragraphs
 
string
 "My first string" "My first string" 
string.slice(3, 5)
 "first" "first" 
string[3].chr + string[4].chr + string[5].chr + string[6].chr +
 string[7].chr
 "first" "first" 
string[3, 5]
 "first" "first" 
string.upcase
 "MY FIRST STRING" "MY FIRST STRING" 
string
 "My first string" "My first string" 
string.upcase!
 "MY FIRST STRING" "MY FIRST STRING" 
string
 "MY FIRST STRING" "MY FIRST STRING" 
string.empty?
 false false 
string.include? 'MY'
 true true