mirror of
https://github.com/alibaba/flutter-go.git
synced 2025-07-10 13:48:34 +08:00
72 lines
2.9 KiB
Dart
72 lines
2.9 KiB
Dart
// 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_web/rendering.dart';
|
|
import '../flutter_test_alternative.dart';
|
|
|
|
class RenderTestBox extends RenderBox {
|
|
double value = 0.0;
|
|
double next() {
|
|
value += 1.0;
|
|
return value;
|
|
}
|
|
|
|
@override
|
|
double computeMinIntrinsicWidth(double height) => next();
|
|
@override
|
|
double computeMaxIntrinsicWidth(double height) => next();
|
|
@override
|
|
double computeMinIntrinsicHeight(double width) => next();
|
|
@override
|
|
double computeMaxIntrinsicHeight(double width) => next();
|
|
}
|
|
|
|
void main() {
|
|
test('Intrinsics cache', () {
|
|
final RenderBox test = RenderTestBox();
|
|
|
|
expect(test.getMinIntrinsicWidth(0.0), equals(1.0));
|
|
expect(test.getMinIntrinsicWidth(100.0), equals(2.0));
|
|
expect(test.getMinIntrinsicWidth(200.0), equals(3.0));
|
|
expect(test.getMinIntrinsicWidth(0.0), equals(1.0));
|
|
expect(test.getMinIntrinsicWidth(100.0), equals(2.0));
|
|
expect(test.getMinIntrinsicWidth(200.0), equals(3.0));
|
|
|
|
expect(test.getMaxIntrinsicWidth(0.0), equals(4.0));
|
|
expect(test.getMaxIntrinsicWidth(100.0), equals(5.0));
|
|
expect(test.getMaxIntrinsicWidth(200.0), equals(6.0));
|
|
expect(test.getMaxIntrinsicWidth(0.0), equals(4.0));
|
|
expect(test.getMaxIntrinsicWidth(100.0), equals(5.0));
|
|
expect(test.getMaxIntrinsicWidth(200.0), equals(6.0));
|
|
|
|
expect(test.getMinIntrinsicHeight(0.0), equals(7.0));
|
|
expect(test.getMinIntrinsicHeight(100.0), equals(8.0));
|
|
expect(test.getMinIntrinsicHeight(200.0), equals(9.0));
|
|
expect(test.getMinIntrinsicHeight(0.0), equals(7.0));
|
|
expect(test.getMinIntrinsicHeight(100.0), equals(8.0));
|
|
expect(test.getMinIntrinsicHeight(200.0), equals(9.0));
|
|
|
|
expect(test.getMaxIntrinsicHeight(0.0), equals(10.0));
|
|
expect(test.getMaxIntrinsicHeight(100.0), equals(11.0));
|
|
expect(test.getMaxIntrinsicHeight(200.0), equals(12.0));
|
|
expect(test.getMaxIntrinsicHeight(0.0), equals(10.0));
|
|
expect(test.getMaxIntrinsicHeight(100.0), equals(11.0));
|
|
expect(test.getMaxIntrinsicHeight(200.0), equals(12.0));
|
|
|
|
// now read them all again backwards
|
|
expect(test.getMaxIntrinsicHeight(200.0), equals(12.0));
|
|
expect(test.getMaxIntrinsicHeight(100.0), equals(11.0));
|
|
expect(test.getMaxIntrinsicHeight(0.0), equals(10.0));
|
|
expect(test.getMinIntrinsicHeight(200.0), equals(9.0));
|
|
expect(test.getMinIntrinsicHeight(100.0), equals(8.0));
|
|
expect(test.getMinIntrinsicHeight(0.0), equals(7.0));
|
|
expect(test.getMaxIntrinsicWidth(200.0), equals(6.0));
|
|
expect(test.getMaxIntrinsicWidth(100.0), equals(5.0));
|
|
expect(test.getMaxIntrinsicWidth(0.0), equals(4.0));
|
|
expect(test.getMinIntrinsicWidth(200.0), equals(3.0));
|
|
expect(test.getMinIntrinsicWidth(100.0), equals(2.0));
|
|
expect(test.getMinIntrinsicWidth(0.0), equals(1.0));
|
|
});
|
|
}
|