diff --git a/src/test/java/com/mykola2312/retracker/bencode/BTreeTest.java b/src/test/java/com/mykola2312/retracker/bencode/BTreeTest.java
index f63333b..d5677f7 100644
--- a/src/test/java/com/mykola2312/retracker/bencode/BTreeTest.java
+++ b/src/test/java/com/mykola2312/retracker/bencode/BTreeTest.java
@@ -164,6 +164,10 @@ public class BTreeTest {
 			
 			tree.setRoot(new BString("test"));
 			assertArrayEquals("4:test".getBytes(), tree.encode());
+			
+			tree.setRoot(new BDict())
+				.set(new BInteger(1), new BInteger(2));
+			assertArrayEquals("di1ei2ee".getBytes(), tree.encode());
 		});
 	}
 	
@@ -190,4 +194,16 @@ public class BTreeTest {
 			assertEquals(new BInteger(16777216), pieceLength);
 		});
 	}
+	
+	@Test
+	public void testDecodeEncodeTorrentFile() throws BError, IOException {
+		final byte[] data = Files.readAllBytes(Path.of("test", "test.torrent"));
+		
+		BTree torrent = new BTree();
+		assertDoesNotThrow(() -> {
+			torrent.decode(data);
+			
+			assertArrayEquals(data, torrent.encode());
+		});
+	}
 }