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Add test for inherited_notifier.0.dart (#150344)
Contributes to https://github.com/flutter/flutter/issues/130459 It adds a test for - `examples/api/lib/widgets/inherited_notifier/inherited_notifier.0.dart`
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@ -385,7 +385,6 @@ final Set<String> _knownMissingTests = <String>{
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'examples/api/test/widgets/color_filter/color_filtered.0_test.dart',
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'examples/api/test/widgets/focus_scope/focus_scope.0_test.dart',
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'examples/api/test/widgets/scroll_view/custom_scroll_view.1_test.dart',
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'examples/api/test/widgets/inherited_notifier/inherited_notifier.0_test.dart',
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'examples/api/test/animation/curves/curve2_d.0_test.dart',
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'examples/api/test/gestures/pointer_signal_resolver/pointer_signal_resolver.0_test.dart',
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};
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@ -0,0 +1,60 @@
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// 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 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/widgets/inherited_notifier/inherited_notifier.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('It rotates the spinners', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.InheritedNotifierExampleApp(),
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);
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final Iterable<Transform> widgets = tester.widgetList<Transform>(
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find.ancestor(
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of: find.text('Whee!'),
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matching: find.byType(Transform),
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),
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);
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Matcher transformMatcher(Matrix4 matrix) {
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return everyElement(isA<Transform>().having((Transform widget) => widget.transform, 'transform', matrix));
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}
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expect(widgets, transformMatcher(Matrix4.identity()));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(0.2 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(0.4 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(0.6 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(0.8 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.identity()..storage[0] = -1..storage[5] = -1));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(1.2 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(1.4 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(1.6 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.rotationZ(1.8 * math.pi)));
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await tester.pump(const Duration(seconds: 1));
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expect(widgets, transformMatcher(Matrix4.identity()));
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});
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}
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