bounce_test.dart
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// ignore_for_file: prefer_const_constructors
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:sheet/sheet.dart';
import '../../../helpers.dart';
import '../../../screen_size_test.dart';
void main() {
group('bounce', () {
testWidgets('fit: can bounce top', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(height: 200),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(200));
expect(tester.getSheetTop(), equals(kScreenRect.bottom - 200));
await tester.dragSheet(-100);
await tester.pump();
expect(tester.getSheetHeight(), greaterThan(200));
});
testWidgets('fit: with max extent: can bounce top',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
maxExtent: 200,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(height: 200),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(200));
expect(tester.getSheetTop(), equals(kScreenRect.bottom - 200));
await tester.dragSheet(-100);
await tester.pump();
expect(tester.getSheetHeight(), greaterThan(200));
});
testWidgets('fit: with min extent: can bounce bottom',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
minExtent: 150,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(height: 200),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(200));
expect(tester.getSheetTop(), equals(kScreenRect.bottom - 200));
await tester.dragSheet(100);
await tester.pump();
expect(tester.getSheetTop(), greaterThan(kScreenRect.bottom - 150));
});
testWidgets('expanded: with max extent: can bounce top',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
fit: SheetFit.expand,
maxExtent: 200,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(200));
expect(tester.getSheetTop(), equals(kScreenRect.bottom - 200));
await tester.dragSheet(-100);
await tester.pump();
expect(tester.getSheetHeight(), greaterThan(200));
});
testWidgets('expanded: with min extent: can bounce bottom',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
fit: SheetFit.expand,
minExtent: 150,
maxExtent: 200,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(200));
expect(tester.getSheetTop(), equals(kScreenRect.bottom - 200));
await tester.dragSheet(100);
await tester.pump();
expect(tester.getSheetTop(), greaterThan(kScreenRect.bottom - 150));
});
testWidgets('expanded: does not bounce outside viewport by default',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
fit: SheetFit.expand,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(),
child: Container(),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(kScreenHeight));
expect(tester.getSheetTop(), equals(0));
await tester.dragSheet(-100);
await tester.pump();
expect(tester.getSheetHeight(), equals(kScreenHeight));
});
testWidgets('expanded: can bounce top when overflowViewport is true',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
fit: SheetFit.expand,
initialExtent: double.infinity,
physics: BouncingSheetPhysics(
overflowViewport: true,
),
child: Container(),
),
);
await tester.pumpAndSettle();
expect(tester.getSheetHeight(), equals(kScreenHeight));
expect(tester.getSheetTop(), equals(0));
await tester.dragSheet(-100);
await tester.pump();
expect(tester.getSheetHeight(), greaterThan(kScreenHeight));
});
});
}