}
			} else if proxyCalledWithAuth {
				t.Fatalf("proxy authorization unexpected, got %q", proxyCalledWithAuthHeader)
			}
		})
	}
}

// Tests SpdyRoundTripper constructors
func TestRoundTripConstuctor(t *testing.T) {
	testCases := map[string]struct {
		tlsConfig         *tls.Config
		proxier           func(req *http.Request) (*url.URL, error)
		upgradeTransport  http.RoundTripper