Test Cases

test/theme_overhaul_test.dart

@@ -5,7 +5,7 @@ import 'package:tasq/theme/app_surfaces.dart';
 import 'package:tasq/widgets/tasq_adaptive_list.dart';
 
 void main() {
-  testWidgets('AppTheme sets cardTheme elevation to 3 (M2-style)', (
+  testWidgets('AppTheme sets cardTheme elevation to 1 (M3 tonal)', (
     WidgetTester tester,
   ) async {
     await tester.pumpWidget(
@@ -15,8 +15,9 @@ void main() {
           builder: (context) {
             final elevation = Theme.of(context).cardTheme.elevation;
             expect(elevation, isNotNull);
-            expect(elevation, inInclusiveRange(2.0, 4.0));
-            expect(elevation, equals(3));
+            // M3 Expressive uses tonal elevation — minimal 0-1 shadow.
+            expect(elevation, inInclusiveRange(0.0, 2.0));
+            expect(elevation, equals(1));
             return const SizedBox.shrink();
           },
         ),
@@ -46,7 +47,8 @@ void main() {
 
     final material = tester.widget<Material>(materialFinder.first);
     expect(material.elevation, isNotNull);
-    expect(material.elevation, inInclusiveRange(2.0, 4.0));
+    // M3 Expressive: tonal elevation is 0-2, not the M2 range of 2-4.
+    expect(material.elevation, inInclusiveRange(0.0, 2.0));
   });
 
   testWidgets(
@@ -147,6 +149,44 @@ void main() {
     },
   );
 
+  testWidgets('Desktop pagination forwards onPageChanged callback', (
+    WidgetTester tester,
+  ) async {
+    int? receivedIndex;
+
+    await tester.pumpWidget(
+      MaterialApp(
+        theme: AppTheme.light(),
+        home: MediaQuery(
+          data: const MediaQueryData(size: Size(1200, 800)),
+          child: Scaffold(
+            body: TasQAdaptiveList<int>(
+              items: List.generate(60, (i) => i),
+              columns: [
+                TasQColumn<int>(header: 'C', cellBuilder: (c, t) => Text('$t')),
+              ],
+              mobileTileBuilder: (c, t, a) => const SizedBox.shrink(),
+              rowsPerPage: 10,
+              onPageChanged: (firstRow) {
+                receivedIndex = firstRow;
+              },
+            ),
+          ),
+        ),
+      ),
+    );
+
+    // locate the PaginatedDataTable and manually invoke the callback to
+    // simulate the user requesting the second page
+    final table = tester.widget<PaginatedDataTable>(
+      find.byType(PaginatedDataTable),
+    );
+    expect(table.onPageChanged, isNotNull);
+
+    table.onPageChanged!(10);
+    expect(receivedIndex, equals(10));
+  });
+
   testWidgets('AppSurfaces tokens are present and dialog/card radii differ', (
     WidgetTester tester,
   ) async {