testEqual(t, "Decoding of %q err = %v, expected %v", string(input), err, tc.err)
	}
}

// TestDecoderError verifies decode errors are propagated when there are no read
// errors.
func TestDecoderError(t *testing.T) {
	for _, readErr := range []error{io.EOF, nil} {
		input := "MZXW6YTb"
		dbuf := make([]byte, StdEncoding.DecodedLen(len(input)))