spec/ruby/library/set/pretty_print_spec.rb


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require_relative '../../spec_helper'
require 'set'

describe "Set#pretty_print" do
  it "passes the 'pretty print' representation of self to the pretty print writer" do
    pp = mock("PrettyPrint")
    set = Set[1, 2, 3]

    pp.should_receive(:text).with("#<Set: {")
    pp.should_receive(:text).with("}>")

    pp.should_receive(:nest).with(1).and_yield
    pp.should_receive(:seplist).with(set)

    set.pretty_print(pp)
  end
end