req *Request
}

func (t *recordingTransport) RoundTrip(req *Request) (resp *Response, err error) {
	t.req = req
	return nil, errors.New("dummy impl")
}

func TestGetRequestFormat(t *testing.T) {
	setParallel(t)
	defer afterTest(t)
	tr := &recordingTransport{}
	client := &Client{Transport: tr}
	url := "http://dummy.faketld/"
	client.Get(url) // Note: doesn't hit network
	if tr.req.Method != "GET" {

				t.Errorf("GET /%d: Header[%q] = %q, want not present", code, hdr, v)
			}
		}
	}
}

// verifies that sendfile is being used on Linux
func TestLinuxSendfile(t *testing.T) {
	setParallel(t)
	defer afterTest(t)
	if runtime.GOOS != "linux" {
		t.Skip("skipping; linux-only test")
	}
	if _, err := exec.LookPath("strace"); err != nil {
		t.Skip("skipping; strace not found in path")
	}