require_relative '../../spec_helper' describe "ARGF.skip" do before :each do @file1_name = fixture __FILE__, "file1.txt" @file2_name = fixture __FILE__, "file2.txt" @file2 = File.readlines @file2_name end it "skips the current file" do argf [@file1_name, @file2_name] do @argf.read(1) @argf.skip @argf.gets.should == @file2.first end end it "has no effect when called twice in a row" do argf [@file1_name, @file2_name] do @argf.read(1) @argf.skip @argf.skip @argf.gets.should == @file2.first end end it "has no effect at end of stream" do argf [@file1_name, @file2_name] do @argf.read @argf.skip @argf.gets.should == nil end end # This bypasses argf helper because the helper will call argf.file # which as a side-effect calls argf.file which will initialize # internals of ARGF enough for this to work. it "has no effect when nothing has been processed yet" do -> { ARGF.class.new(@file1_name).skip }.should_not raise_error end end