b1468cb2ea
- add debugDescribeSettings to a few classes that were missing it - fix some minor bugs in RenderShrinkWrapWidth and ShrinkWrapWidth - introduce RenderShrinkWrapHeight and ShrinkWrapHeight
65 lines
2.2 KiB
Dart
65 lines
2.2 KiB
Dart
import 'dart:sky' as sky;
|
|
|
|
import 'package:sky/rendering.dart';
|
|
import 'package:test/test.dart';
|
|
|
|
import 'layout_utils.dart';
|
|
|
|
class RenderTestBox extends RenderBox {
|
|
RenderTestBox(this._intrinsicDimensions);
|
|
|
|
final BoxConstraints _intrinsicDimensions;
|
|
|
|
double getMinIntrinsicWidth(BoxConstraints constraints) {
|
|
return constraints.constrainWidth(_intrinsicDimensions.minWidth);
|
|
}
|
|
|
|
double getMaxIntrinsicWidth(BoxConstraints constraints) {
|
|
return constraints.constrainWidth(_intrinsicDimensions.maxWidth);
|
|
}
|
|
|
|
double getMinIntrinsicHeight(BoxConstraints constraints) {
|
|
return constraints.constrainHeight(_intrinsicDimensions.minHeight);
|
|
}
|
|
|
|
double getMaxIntrinsicHeight(BoxConstraints constraints) {
|
|
return constraints.constrainHeight(_intrinsicDimensions.maxHeight);
|
|
}
|
|
|
|
bool get sizedByParent => true;
|
|
void performResize() {
|
|
size = constraints.constrain(new Size(_intrinsicDimensions.minWidth + (_intrinsicDimensions.maxWidth-_intrinsicDimensions.minWidth) / 2.0,
|
|
_intrinsicDimensions.minHeight + (_intrinsicDimensions.maxHeight-_intrinsicDimensions.minHeight) / 2.0));
|
|
}
|
|
}
|
|
|
|
void main() {
|
|
test('Shrink-wrapping width', () {
|
|
RenderBox child = new RenderTestBox(new BoxConstraints(minWidth: 10.0, maxWidth: 100.0, minHeight: 20.0, maxHeight: 200.0));
|
|
|
|
RenderBox parent = new RenderShrinkWrapWidth(child: child);
|
|
layout(parent,
|
|
constraints: new BoxConstraints(
|
|
minWidth: 5.0,
|
|
minHeight: 8.0,
|
|
maxWidth: 500.0,
|
|
maxHeight: 800.0));
|
|
expect(parent.size.width, equals(100.0));
|
|
expect(parent.size.height, equals(110.0));
|
|
});
|
|
|
|
test('Shrink-wrapping height', () {
|
|
RenderBox child = new RenderTestBox(new BoxConstraints(minWidth: 10.0, maxWidth: 100.0, minHeight: 20.0, maxHeight: 200.0));
|
|
|
|
RenderBox parent = new RenderShrinkWrapHeight(child: child);
|
|
layout(parent,
|
|
constraints: new BoxConstraints(
|
|
minWidth: 5.0,
|
|
minHeight: 8.0,
|
|
maxWidth: 500.0,
|
|
maxHeight: 800.0));
|
|
expect(parent.size.width, equals(55.0));
|
|
expect(parent.size.height, equals(200.0));
|
|
});
|
|
}
|