require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "IO#readchar" do before :each do @io = IOSpecs.io_fixture "lines.txt" end after :each do @io.close unless @io.closed? end it "returns the next string from the stream" do @io.readchar.should == 'V' @io.readchar.should == 'o' @io.readchar.should == 'i' # read the rest of line @io.readline.should == "ci la ligne une.\n" @io.readchar.should == 'Q' end it "raises an EOFError when invoked at the end of the stream" do @io.read lambda { @io.readchar }.should raise_error(EOFError) end it "raises IOError on closed stream" do lambda { IOSpecs.closed_io.readchar }.should raise_error(IOError) end end describe "IO#readchar" do before :each do @io = IOSpecs.io_fixture "empty.txt" end after :each do @io.close unless @io.closed? end it "raises EOFError on empty stream" do lambda { @io.readchar }.should raise_error(EOFError) end end