Bugfix

src/main/java/it/cavallium/strangedb/java/objects/lists/ObjectStrangeDbList.java

@@ -17,7 +17,7 @@ public class ObjectStrangeDbList<T> extends StrangeDbList<T> {
 		return indices;
 	}
 
-	public ObjectStrangeDbList() {
+	protected ObjectStrangeDbList() {
 		super();
 	}
 

src/main/java/it/cavallium/strangedb/java/objects/lists/StrangeDbList.java

@@ -5,6 +5,7 @@ import it.cavallium.strangedb.java.objects.EnhancedObject;
 import it.cavallium.strangedb.java.database.IDatabaseTools;
 
 import java.io.IOException;
+import java.util.Collection;
 import java.util.StringJoiner;
 
 public abstract class StrangeDbList<T> extends EnhancedObject {

src/test/java/it/cavallium/strangedb/tests/Performance.java

@@ -264,14 +264,22 @@ public class Performance {
 	}
 
 	public static void generateDb() throws IOException {
-		dbDataFile = Files.createFile(rootDirectory.resolve("db_data.dat"));
-		dbBlocksFile = Files.createFile(rootDirectory.resolve("db_blocks.dat"));
-		dbReferencesFile = Files.createFile(rootDirectory.resolve("db_references.dat"));
+		dbDataFile = rootDirectory.resolve("db_data.dat");
+		dbBlocksFile = rootDirectory.resolve("db_blocks.dat");
+		dbReferencesFile = rootDirectory.resolve("db_references.dat");
+		deleteDbFolders();
+		Files.createFile(dbDataFile);
+		Files.createFile(dbBlocksFile);
+		Files.createFile(dbReferencesFile);
 		db = new DatabaseJava(dbDataFile, dbBlocksFile, dbReferencesFile);
 	}
 
 	public static void deleteDb() throws IOException {
 		db.close();
+		deleteDbFolders();
+	}
+
+	public static void deleteDbFolders() throws IOException {
 		Files.deleteIfExists(dbDataFile);
 		Files.deleteIfExists(dbBlocksFile);
 		Files.deleteIfExists(dbReferencesFile);