From 9d18247793203275f0118b13f8e10d12acfdaf67 Mon Sep 17 00:00:00 2001 From: uvok Date: Sat, 2 Aug 2025 13:55:48 +0200 Subject: Add tests for extension --- test/list_ext_test.dart | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 test/list_ext_test.dart (limited to 'test/list_ext_test.dart') diff --git a/test/list_ext_test.dart b/test/list_ext_test.dart new file mode 100644 index 0000000..cb6e68c --- /dev/null +++ b/test/list_ext_test.dart @@ -0,0 +1,36 @@ +import 'package:flutter_test/flutter_test.dart'; +import 'package:uvok_epaper_badge/extensions/list_ext.dart'; + +void main() { + group('ListExt.addOrReplaceWhere', () { + test('adds element when predicate returns false for all', () { + final list = [1, 2, 3]; + list.addOrReplaceWhere(4, (x) => x == 5); + expect(list, equals([1, 2, 3, 4])); + }); + + test('replaces element when predicate matches and no replaceCondition', () { + final list = [1, 2, 3]; + list.addOrReplaceWhere(99, (x) => x == 2); + expect(list, equals([1, 99, 3])); + }); + + test('does not replace if replaceCondition returns false', () { + final list = [1, 2, 3]; + list.addOrReplaceWhere(99, (x) => x == 2, replaceCondition: (x) => false); + expect(list, equals([1, 2, 3])); + }); + + test('replaces if replaceCondition returns true', () { + final list = [1, 2, 3]; + list.addOrReplaceWhere(99, (x) => x == 2, replaceCondition: (x) => true); + expect(list, equals([1, 99, 3])); + }); + + test('only replaces the first matching element', () { + final list = [2, 2, 3]; + list.addOrReplaceWhere(99, (x) => x == 2); + expect(list, equals([99, 2, 3])); + }); + }); +} -- cgit v1.2.3