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ruby--ruby/spec/ruby/core/binding/irb_spec.rb

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require_relative '../../spec_helper'
describe "Binding#irb" do
it "creates an IRB session with the binding in scope" do
irb_fixture = fixture __FILE__, "irb.rb"
irbrc_fixture = fixture __FILE__, "irbrc"
out = IO.popen([{"IRBRC"=>irbrc_fixture}, *ruby_exe, irb_fixture], "r+") do |pipe|
pipe.puts "a ** 2"
pipe.puts "exit"
pipe.readlines.map(&:chomp)
end
out[-3..-1].should == ["a ** 2", "100", "exit"]
end
end