# -*- encoding: utf-8 -*- require File.expand_path('../../../spec_helper', __FILE__) require 'stringio' require File.expand_path('../shared/getc', __FILE__) # This method is added by io/console on require. describe "StringIO#getch" do require 'io/console' it_behaves_like :stringio_getc, :getch it "returns the character at the current position" do io = StringIO.new("example") io.send(@method).should == ?e io.send(@method).should == ?x io.send(@method).should == ?a end with_feature :encoding do it "increments #pos by the byte size of the character in multibyte strings" do io = StringIO.new("föóbar") io.send(@method); io.pos.should == 1 # "f" has byte size 1 io.send(@method); io.pos.should == 3 # "ö" has byte size 2 io.send(@method); io.pos.should == 5 # "ó" has byte size 2 io.send(@method); io.pos.should == 6 # "b" has byte size 1 end end it "returns nil at the end of the string" do # empty string case io = StringIO.new("") io.send(@method).should == nil io.send(@method).should == nil # non-empty string case io = StringIO.new("a") io.send(@method) # skip one io.send(@method).should == nil end describe "StringIO#getch when self is not readable" do it_behaves_like :stringio_getc_not_readable, :getch end end