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820137b7f9
Adds a HomogeneousViewport class that works like MixedViewport but handles only children that have all the same height. Converts ScrollableWidgetList to use that, so that we don't waste a frame looking at the size of the contents each time we change size. This allows a number of seemingly pointless double-pumps in the tests to be removed. Other changes that were necessary to support the above: - RenderBlock now supports minExtent (think 'min-height' in CSS) - RenderBlock now supports itemExtent (forces the height of each child to be the same, so that the itemExtent passed to the fixed- height scrollables are all authoritative instead of a source of bugs when they don't match) - RenderBlockViewport now supports horizontal scrolling - improved the style of the isInfinite assert in box.dart - fixed the position of a comment in mixed_viewport.dart - added a test - made the logic for how many items to show be more precise
37 lines
939 B
Dart
37 lines
939 B
Dart
import 'package:sky/widgets.dart';
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import 'package:test/test.dart';
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import 'widget_tester.dart';
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void main() {
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test('Can select a day', () {
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WidgetTester tester = new WidgetTester();
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DateTime currentValue;
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Widget builder() {
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return new Block([
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new DatePicker(
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selectedDate: new DateTime.utc(2015, 6, 9, 7, 12),
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firstDate: new DateTime.utc(2013),
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lastDate: new DateTime.utc(2018),
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onChanged: (DateTime dateTime) {
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currentValue = dateTime;
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}
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)
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]);
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}
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tester.pumpFrame(builder);
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expect(currentValue, isNull);
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tester.tap(tester.findText('2015'));
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tester.pumpFrame(builder);
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tester.tap(tester.findText('2014'));
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tester.pumpFrame(builder);
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expect(currentValue, equals(new DateTime(2014, 6, 9)));
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tester.tap(tester.findText('30'));
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expect(currentValue, equals(new DateTime(2013, 1, 30)));
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});
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}
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