v1.3.1

test/extensions/list_test.dart

@@ -0,0 +1,59 @@
+import "package:arcane_helper_utils/arcane_helper_utils.dart";
+import "package:test/test.dart";
+
+void main() {
+  group("Unique", () {
+    test("removes duplicates from simple list", () {
+      final list = [1, 2, 2, 3, 3, 3];
+      expect(list.unique(), [1, 2, 3]);
+    });
+
+    test("removes duplicates using custom identifier", () {
+      final list = [
+        {"id": 1, "name": "John"},
+        {"id": 2, "name": "Jane"},
+        {"id": 1, "name": "John Copy"},
+      ];
+      final result = list.unique((item) => item["id"]);
+      expect(result.length, 2);
+      expect(result.map((e) => e["id"]).toList(), [1, 2]);
+    });
+
+    test("handles empty list", () {
+      final List<int> list = [];
+      expect(list.unique(), []);
+    });
+
+    test("preserves order of elements", () {
+      final list = [3, 1, 2, 1, 3];
+      expect(list.unique(), [3, 1, 2]);
+    });
+  });
+
+  group("ListNullability", () {
+    test("isNullOrEmpty returns true for null list", () {
+      List<int>? list;
+      expect(list.isNullOrEmpty, true);
+    });
+
+    test("isNullOrEmpty returns true for empty list", () {
+      final List<int> list = [];
+      expect(list.isNullOrEmpty, true);
+    });
+
+    test("isNullOrEmpty returns false for non-empty list", () {
+      final list = [1, 2, 3];
+      expect(list.isNullOrEmpty, false);
+    });
+
+    test("isNotNullOrEmpty returns opposite of isNullOrEmpty", () {
+      List<int>? nullList;
+      final emptyList = <int>[];
+      final nonEmptyList = [1, 2, 3];
+
+      expect(nullList.isNotNullOrEmpty, false);
+      expect(emptyList.isNotNullOrEmpty, false);
+      expect(nonEmptyList.isNotNullOrEmpty, true);
+    });
+  });
+}