1 files changed, 29 insertions, 0 deletions
diff --git a/internal/nametransform/nfc_test.go b/internal/nametransform/nfc_test.go
new file mode 100644
index 0000000..aad1d7d
--- /dev/null
+++ b/internal/nametransform/nfc_test.go
@@ -0,0 +1,29 @@
+package nametransform
+
+import (
+	"strconv"
+	"testing"
+
+	"golang.org/x/text/unicode/norm"
+)
+
+func TestNFD2NFC(t *testing.T) {
+	n := newLognamesTestInstance(NameMax)
+	n.nfd2nfc = true
+	iv := make([]byte, DirIVLen)
+	srcNFC := "Österreich Café"
+	srcNFD := norm.NFD.String(srcNFC)
+
+	// cipherName should get normalized to NFC
+	cipherName, _ := n.EncryptName(srcNFD, iv)
+	// Decrypt without changing normalization
+	decryptedRaw, _ := n.decryptName(cipherName, iv)
+	if srcNFC != decryptedRaw {
+		t.Errorf("want %s have %s", strconv.QuoteToASCII(srcNFC), strconv.QuoteToASCII(decryptedRaw))
+	}
+	// Decrypt with normalizing to NFD
+	decrypted, _ := n.DecryptName(cipherName, iv)
+	if srcNFD != decrypted {
+		t.Errorf("want %s have %s", strconv.QuoteToASCII(srcNFD), strconv.QuoteToASCII(decrypted))
+	}
+}