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require 'spec_helper'
require 'pp'
require 'stringio'
describe Immutable::Deque do
describe '#pretty_print' do
let(:deque) { Immutable::Deque['AAAA', 'BBBB', 'CCCC'] }
let(:stringio) { StringIO.new }
it 'prints the whole Deque on one line if it fits' do
PP.pp(deque, stringio, 80)
stringio.string.chomp.should == 'Immutable::Deque["AAAA", "BBBB", "CCCC"]'
end
it 'prints each item on its own line, if not' do
PP.pp(deque, stringio, 10)
stringio.string.chomp.should == 'Immutable::Deque[
"AAAA",
"BBBB",
"CCCC"]'
end
end
end
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