diff --git a/test/map_copy_extension_test.dart b/test/map_copy_extension_test.dart
new file mode 100644
index 00000000..958f01eb
--- /dev/null
+++ b/test/map_copy_extension_test.dart
@@ -0,0 +1,39 @@
+/*
+ * Famedly Matrix SDK
+ * Copyright (C) 2020 Famedly GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see .
+ */
+
+import 'package:matrix_api_lite/matrix_api_lite.dart';
+import 'package:test/test.dart';
+
+void main() {
+ group('Map-copy-extension', () {
+ test('it should work', () {
+ final original = {
+ 'attr': 'fox',
+ 'child': {
+ 'attr': 'bunny',
+ 'list': [1, 2],
+ },
+ };
+ final copy = original.copy();
+ original['child']['attr'] = 'raccoon';
+ expect(copy['child']['attr'], 'bunny');
+ original['child']['list'].add(3);
+ expect(copy['child']['list'], [1, 2]);
+ });
+ });
+}
diff --git a/test/try_get_map_extension_test.dart b/test/try_get_map_extension_test.dart
new file mode 100644
index 00000000..886700e3
--- /dev/null
+++ b/test/try_get_map_extension_test.dart
@@ -0,0 +1,45 @@
+/*
+ * Famedly Matrix SDK
+ * Copyright (C) 2020 Famedly GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see .
+ */
+
+import 'package:matrix_api_lite/matrix_api_lite.dart';
+import 'package:test/test.dart';
+
+void main() {
+ group('Try-get-map-extension', () {
+ test('it should work', () {
+ final data = {
+ 'str': 'foxies',
+ 'int': 42,
+ 'list': [2, 3, 4],
+ 'map': {
+ 'beep': 'boop',
+ },
+ };
+ expect(data.tryGet('str'), 'foxies');
+ expect(data.tryGet('str'), null);
+ expect(data.tryGet('int'), 42);
+ expect(data.tryGet('list'), [2, 3, 4]);
+ expect(data.tryGet