if err != nil {
		t.Fatal(err)
	}

	if !bytes.Equal(plaintext, plaintextAgain) {
		t.Errorf("expected original plaintext %q, got %q", string(plaintext), string(plaintextAgain))
	}
}

func TestGCMLegacyDataCompatibility(t *testing.T) {
	block, err := aes.NewCipher([]byte("snorlax_awesomes"))
	if err != nil {
		t.Fatal(err)
	}

	transformerDecrypt := newGCMTransformer(t, block, nil)