60 lines
2.4 KiB
Dart
60 lines
2.4 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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group('expandable', () {
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testWidgets('success case, no actions', (WidgetTester tester) async {
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await tester.pumpWidget(Semantics(expanded: false, child: const SizedBox()));
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expect(tester.takeException(), isNull);
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});
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testWidgets('success case, collapsed with expand action', (WidgetTester tester) async {
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await tester.pumpWidget(Semantics(expanded: false, onExpand: () {}, child: const SizedBox()));
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expect(tester.takeException(), isNull);
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});
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testWidgets('success case, expanded with collapse action', (WidgetTester tester) async {
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await tester.pumpWidget(
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Semantics(expanded: true, onCollapse: () {}, child: const SizedBox()),
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);
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expect(tester.takeException(), isNull);
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});
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testWidgets('failure case, both expand and collapse actions are set', (
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WidgetTester tester,
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) async {
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await tester.pumpWidget(
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Semantics(expanded: false, onExpand: () {}, onCollapse: () {}, child: const SizedBox()),
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);
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final Object? exception = tester.takeException();
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expect(exception, isFlutterError);
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final error = exception! as FlutterError;
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expect(
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error.message,
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'An expandable node cannot have both expand and collapse actions set at the same time.',
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);
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});
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testWidgets('failure case, expanded with expand action', (WidgetTester tester) async {
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await tester.pumpWidget(Semantics(expanded: true, onExpand: () {}, child: const SizedBox()));
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final Object? exception = tester.takeException();
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expect(exception, isFlutterError);
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final error = exception! as FlutterError;
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expect(error.message, 'An expanded node cannot have an expand action.');
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});
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testWidgets('failure case, collapsed with collapse action', (WidgetTester tester) async {
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await tester.pumpWidget(
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Semantics(expanded: false, onCollapse: () {}, child: const SizedBox()),
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);
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final Object? exception = tester.takeException();
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expect(exception, isFlutterError);
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final error = exception! as FlutterError;
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expect(error.message, 'A collapsed node cannot have a collapse action.');
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});
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});
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}
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