54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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begin
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require "bundler/inline"
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rescue LoadError => e
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$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
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raise e
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end
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gemfile(true) do
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source "https://rubygems.org"
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git_source(:github) { |repo| "https://github.com/#{repo}.git" }
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gem "rails", github: "rails/rails"
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gem "arel", github: "rails/arel"
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gem "benchmark-ips"
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end
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require "active_support"
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require "active_support/core_ext/object/blank"
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# Your patch goes here.
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class String
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def fast_blank?
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true
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end
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end
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# Enumerate some representative scenarios here.
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#
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# It is very easy to make an optimization that improves performance for a
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# specific scenario you care about but regresses on other common cases.
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# Therefore, you should test your change against a list of representative
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# scenarios. Ideally, they should be based on real-world scenarios extracted
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# from production applications.
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SCENARIOS = {
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"Empty" => "",
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"Single Space" => " ",
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"Two Spaces" => " ",
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"Mixed Whitspaces" => " \t\r\n",
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"Very Long String" => " " * 100
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}
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SCENARIOS.each_pair do |name, value|
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puts
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puts " #{name} ".center(80, "=")
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puts
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Benchmark.ips do |x|
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x.report("blank?") { value.blank? }
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x.report("fast_blank?") { value.fast_blank? }
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x.compare!
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end
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end
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