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101 lines
3.5 KiB
Dart
101 lines
3.5 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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testWidgets('AnimatedPadding.debugFillProperties', (WidgetTester tester) async {
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final AnimatedPadding padding = AnimatedPadding(
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padding: const EdgeInsets.all(7.0),
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curve: Curves.ease,
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duration: const Duration(milliseconds: 200),
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);
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expect(padding, hasOneLineDescription);
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});
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testWidgets('AnimatedPadding padding visual-to-directional animation', (WidgetTester tester) async {
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final Key target = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.rtl,
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child: AnimatedPadding(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.only(right: 50.0),
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child: SizedBox.expand(key: target),
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),
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),
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);
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expect(tester.getSize(find.byKey(target)), const Size(750.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(750.0, 0.0));
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.rtl,
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child: AnimatedPadding(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsetsDirectional.only(start: 100.0),
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child: SizedBox.expand(key: target),
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),
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),
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);
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expect(tester.getSize(find.byKey(target)), const Size(750.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(750.0, 0.0));
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await tester.pump(const Duration(milliseconds: 100));
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expect(tester.getSize(find.byKey(target)), const Size(725.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(725.0, 0.0));
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await tester.pump(const Duration(milliseconds: 500));
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expect(tester.getSize(find.byKey(target)), const Size(700.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(700.0, 0.0));
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});
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testWidgets('AnimatedPadding animated padding clamped to positive values', (WidgetTester tester) async {
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final Key target = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.rtl,
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child: AnimatedPadding(
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curve: Curves.easeInOutBack, // will cause negative padding during overshoot
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.only(right: 50.0),
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child: SizedBox.expand(key: target),
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),
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),
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);
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expect(tester.getSize(find.byKey(target)), const Size(750.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(750.0, 0.0));
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.rtl,
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child: AnimatedPadding(
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curve: Curves.easeInOutBack,
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duration: const Duration(milliseconds: 200),
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padding: EdgeInsets.zero,
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child: SizedBox.expand(key: target),
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),
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),
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);
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expect(tester.getSize(find.byKey(target)), const Size(750.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(750.0, 0.0));
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await tester.pump(const Duration(milliseconds: 128));
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// Curve would have made the padding negative a this point if it is not clamped.
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expect(tester.getSize(find.byKey(target)), const Size(800.0, 600.0));
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expect(tester.getTopRight(find.byKey(target)), const Offset(800.0, 0.0));
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});
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}
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