benchmarks/case.rb
# frozen_string_literal: true
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
require 'benchmark'
require 'ruby-enum'
##
# Test enum
class Color
include Ruby::Enum
include Ruby::Enum::Case
define :RED, :red
define :GREEN, :green
define :BLUE, :blue
end
puts 'Running 1.000.000 normal case statements'
case_statement_time = Benchmark.realtime do
1_000_000.times do
case Color::RED
when Color::RED, Color::GREEN
'red or green'
when Color::BLUE
'blue'
end
end
end
puts 'Running 1.000.000 ruby-enum case statements'
ruby_enum_time = Benchmark.realtime do
1_000_000.times do
Color.case(Color::RED,
{
[Color::RED, Color::GREEN] => -> { 'red or green' },
Color::BLUE => -> { 'blue' }
})
end
end
puts "ruby-enum case: #{ruby_enum_time.round(4)}"
puts "case statement: #{case_statement_time.round(4)}"
puts "ruby-enum case is #{(ruby_enum_time / case_statement_time).round(2)} times slower"