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a13320253c
If the flex is empty, there's no space in which to draw the overflow indicator, so we shouldn't bother trying to draw it. Fixes #12532
57 lines
1.3 KiB
Dart
57 lines
1.3 KiB
Dart
// Copyright 2017 The Chromium 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_test/flutter_test.dart';
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import 'package:flutter/widgets.dart';
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import 'mock_canvas.dart';
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void main() {
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testWidgets('Flex overflow indicator', (WidgetTester tester) async {
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await tester.pumpWidget(
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new Center(
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child: new Column(
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children: <Widget>[
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const SizedBox(width: 200.0, height: 200.0),
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],
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),
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),
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);
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expect(find.byType(Column), isNot(paints..rect()));
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await tester.pumpWidget(
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new Center(
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child: new SizedBox(
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height: 100.0,
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child: new Column(
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children: <Widget>[
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const SizedBox(width: 200.0, height: 200.0),
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],
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),
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),
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),
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);
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expect(tester.takeException(), isNotNull);
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expect(find.byType(Column), paints..rect());
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await tester.pumpWidget(
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new Center(
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child: new SizedBox(
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height: 0.0,
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child: new Column(
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children: <Widget>[
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const SizedBox(width: 200.0, height: 200.0),
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],
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),
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),
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),
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);
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expect(find.byType(Column), isNot(paints..rect()));
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});
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}
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