1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/model/asn1/ObjectIdentifierTest.java b/src/test/model/asn1/ObjectIdentifierTest.java
index 367e349..5d49821 100644
--- a/src/test/model/asn1/ObjectIdentifierTest.java
+++ b/src/test/model/asn1/ObjectIdentifierTest.java
@@ -86,4 +86,21 @@ public class ObjectIdentifierTest {
                 new ObjectIdentifier(new BytesReader(new Byte[]{0x6, 0x9, 0x2A, -122, 0x48, -122, -9, 0x0D,
                         0x01, 0x01, -117}), false));
     }
+
+    @Test
+    void testGetKnown() throws ParseException {
+        assertNotNull(ObjectIdentifier.getKnown("C"));
+        assertNotNull(ObjectIdentifier.getKnown("CN"));
+        assertNotNull(ObjectIdentifier.getKnown("O"));
+        assertNotNull(ObjectIdentifier.getKnown("OU"));
+        assertNotNull(ObjectIdentifier.getKnown("DC"));
+        assertNotNull(ObjectIdentifier.getKnown("L"));
+
+        assertNotNull(ObjectIdentifier.getKnown("oU"));
+        assertNotNull(ObjectIdentifier.getKnown("Dc"));
+        assertNotNull(ObjectIdentifier.getKnown("cn"));
+
+        assertThrows(ParseException.class, () -> ObjectIdentifier.getKnown("114514"));
+        assertThrows(ParseException.class, () -> ObjectIdentifier.getKnown("SN"));
+    }
 }