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Add:创建 flutter go web 版

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ryan
2019-08-13 20:38:46 +08:00
parent 64513b59c1
commit da67ccf5a8
1656 changed files with 483653 additions and 0 deletions
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71
packages/flutter_web/test/rendering/cached_intrinsics_test.dart Normal file
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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_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));
});
}