spec/ruby/core/kernel/match_spec.rb


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require_relative '../../spec_helper'

describe "Kernel#=~" do
  it "returns nil matching any object" do
    o = Object.new

    suppress_warning do
      (o =~ /Object/).should   be_nil
      (o =~ 'Object').should   be_nil
      (o =~ Object).should     be_nil
      (o =~ Object.new).should be_nil
      (o =~ nil).should        be_nil
      (o =~ true).should       be_nil
    end
  end

  it "is deprecated" do
    -> do
      Object.new =~ /regexp/
    end.should complain(/deprecated Object#=~ is called on Object/, verbose: true)
  end
end