require_relative '../../spec_helper' describe "Process.setpgid" do with_feature :fork do it "sets the process group id of the specified process" do rd, wr = IO.pipe pid = Process.fork do wr.close rd.read rd.close Process.exit! end rd.close begin Process.getpgid(pid).should == Process.getpgrp Process.setpgid(mock_int(pid), mock_int(pid)).should == 0 Process.getpgid(pid).should == pid ensure wr.write ' ' wr.close Process.wait pid end end end end