}
	return u
}

type writerFunc func([]byte) (int, error)

func (f writerFunc) Write(p []byte) (int, error) { return f(p) }

// TestRequestWriteError tests the Write err != nil checks in (*Request).write.
func TestRequestWriteError(t *testing.T) {
	failAfter, writeCount := 0, 0
	errFail := errors.New("fake write failure")

	// w is the buffered io.Writer to write the request to. It