require_relative '../../spec_helper' require_relative 'shared/pos' describe "ARGF.pos" do it_behaves_like :argf_pos, :pos end describe "ARGF.pos=" do before :each do @file1_name = fixture __FILE__, "file1.txt" @file2_name = fixture __FILE__, "file2.txt" @file1 = File.readlines @file1_name @file2 = File.readlines @file2_name end # NOTE: this test assumes that fixtures files have two lines each it "sets the correct position in files" do argf [@file1_name, @file2_name] do @argf.pos = @file1.first.size @argf.gets.should == @file1.last @argf.pos = 0 @argf.gets.should == @file1.first # finish reading file1 @argf.gets @argf.gets @argf.pos = 1 @argf.gets.should == @file2.first[1..-1] @argf.pos = @file2.first.size + @file2.last.size - 1 @argf.gets.should == @file2.last[-1,1] @argf.pos = 1000 @argf.read.should == "" end end end