overflow_box_test.dart 1.45 KB
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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';

void main() {
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  testWidgets('OverflowBox control test', (WidgetTester tester) async {
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    GlobalKey inner = new GlobalKey();
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    await tester.pumpWidget(new Align(
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      alignment: const FractionalOffset(1.0, 1.0),
      child: new SizedBox(
        width: 10.0,
        height: 20.0,
        child: new OverflowBox(
          minWidth: 0.0,
          maxWidth: 100.0,
          minHeight: 0.0,
          maxHeight: 50.0,
          child: new Container(
            key: inner
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          )
        )
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      )
    ));
    RenderBox box = inner.currentContext.findRenderObject();
    expect(box.localToGlobal(Point.origin), equals(const Point(745.0, 565.0)));
    expect(box.size, equals(const Size(100.0, 50.0)));
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  });
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  testWidgets('OverflowBox implements debugFillDescription', (WidgetTester tester) async {
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    List<String> description = <String>[];
    new OverflowBox(
      minWidth: 1.0,
      maxWidth: 2.0,
      minHeight: 3.0,
      maxHeight: 4.0
    ).debugFillDescription(description);
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    expect(description, <String>[
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      'alignment: FractionalOffset(0.5, 0.5)',
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      'minWidth: 1.0',
      'maxWidth: 2.0',
      'minHeight: 3.0',
      'maxHeight: 4.0',
    ]);
  });
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}