Add benchmarks

benchmarks/benchmark.rb

@@ -0,0 +1,52 @@
+#!/usr/bin/env ruby -s
+# frozen_string_literal: true
+
+$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../lib"
+require 'money'
+require 'benchmark'
+
+I18n.config.available_locales = :en
+Money.locale_backend = :i18n
+Money.rounding_mode = BigDecimal::ROUND_HALF_UP
+
+Benchmark.bmbm(30) do |x|
+  x.report('README Examples') do
+    10_000.times do
+      money = Money.from_cents(1000, "USD")
+      money.cents     #=> 1000
+      money.currency  #=> Currency.new("USD")
+
+      Money.from_cents(1000, "USD") == Money.from_cents(1000, "USD")   #=> true
+      Money.from_cents(1000, "USD") == Money.from_cents(100, "USD")    #=> false
+      Money.from_cents(1000, "USD") == Money.from_cents(1000, "EUR")   #=> false
+      Money.from_cents(1000, "USD") != Money.from_cents(1000, "EUR")   #=> true
+
+      Money.from_cents(1000, "USD") + Money.from_cents(500, "USD") == Money.from_cents(1500, "USD")
+      Money.from_cents(1000, "USD") - Money.from_cents(200, "USD") == Money.from_cents(800, "USD")
+      Money.from_cents(1000, "USD") / 5                            == Money.from_cents(200, "USD")
+      Money.from_cents(1000, "USD") * 5                            == Money.from_cents(5000, "USD")
+
+      Money.from_amount(5, "USD") == Money.from_cents(500, "USD")  # 5 USD
+      Money.from_amount(5, "JPY") == Money.from_cents(5, "JPY")    # 5 JPY
+      Money.from_amount(5, "TND") == Money.from_cents(5000, "TND") # 5 TND
+
+      Money.from_cents(1000, "USD").with_currency("EUR") == Money.from_cents(1000, "EUR")
+
+      Money.from_cents(100, "USD").format #=> "$1.00"
+      Money.from_cents(100, "GBP").format #=> "£1.00"
+      Money.from_cents(100, "EUR").format #=> "€1.00"
+    end
+  end
+
+  x.report('Money#from_cents') do
+    100_000.times do
+      Money.from_cents(100, "USD")
+    end
+  end
+
+  x.report('Money#format') do
+    50_000.times do
+      Money.from_cents(100, "USD").format
+    end
+  end
+end

benchmarks/profile.rb

@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby -s
+# frozen_string_literal: true
+
+$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../lib"
+require 'money'
+require 'money/version'
+require 'ruby-prof'
+
+puts "Money: #{Money::VERSION}"
+
+I18n.config.available_locales = :en
+Money.locale_backend = :i18n
+Money.rounding_mode = BigDecimal::ROUND_HALF_UP
+
+result = RubyProf::Profile.profile do
+  Money.from_cents(100, "USD").format
+end
+
+printer = RubyProf::FlatPrinter.new(result)
+printer.print($stdout, {})

benchmarks/profile_memory.rb

@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby -s
+# frozen_string_literal: true
+
+$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../lib"
+require 'money'
+require 'memory_profiler'
+
+# explicitly define locales
+I18n.config.available_locales = :en
+Money.locale_backend = :i18n
+Money.rounding_mode = BigDecimal::ROUND_HALF_UP
+
+report = MemoryProfiler.report(allow_files: 'money') do
+  Money.from_cents(100, "USD").format
+end
+
+report.pretty_print