import 'package:flutter_test/flutter_test.dart'; import 'package:tdc114plus/src/core/actions/contact_launcher.dart'; void main() { test('buildCallUri normalizes separators and keeps country code', () { final uri = buildCallUri('+82 10-1234-5678'); expect(uri, isNotNull); expect(uri.toString(), 'tel:+821012345678'); }); test('buildSmsUri returns null for empty phone number', () { final uri = buildSmsUri(' - '); expect(uri, isNull); }); }