require File.expand_path('../../../spec_helper', __FILE__)
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