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73 lines
2.3 KiB
Dart
73 lines
2.3 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/foundation.dart';
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import 'package:flutter/rendering.dart';
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import 'package:test/test.dart';
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import 'rendering_tester.dart';
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void main() {
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test('RenderFittedBox paint', () {
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bool painted;
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RenderFittedBox makeFittedBox() {
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return new RenderFittedBox(
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child: new RenderCustomPaint(
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painter: new TestCallbackPainter(
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onPaint: () { painted = true; }
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),
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),
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);
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}
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painted = false;
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layout(makeFittedBox(), phase: EnginePhase.paint);
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expect(painted, equals(true));
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// The RenderFittedBox should not paint if it is empty.
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painted = false;
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layout(makeFittedBox(), constraints: new BoxConstraints.tight(Size.zero), phase: EnginePhase.paint);
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expect(painted, equals(false));
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});
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test('RenderPhysicalModel compositing on Fuchsia', () {
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debugDefaultTargetPlatformOverride = TargetPlatform.fuchsia;
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final RenderPhysicalModel root = new RenderPhysicalModel(color: const Color(0xffff00ff));
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layout(root, phase: EnginePhase.composite);
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expect(root.needsCompositing, isFalse);
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// On Fuchsia, the system compositor is responsible for drawing shadows
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// for physical model layers with non-zero elevation.
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root.elevation = 1.0;
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pumpFrame(phase: EnginePhase.composite);
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expect(root.needsCompositing, isTrue);
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root.elevation = 0.0;
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pumpFrame(phase: EnginePhase.composite);
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expect(root.needsCompositing, isFalse);
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debugDefaultTargetPlatformOverride = null;
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});
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test('RenderPhysicalModel compositing on non-Fuchsia', () {
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debugDefaultTargetPlatformOverride = TargetPlatform.iOS;
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final RenderPhysicalModel root = new RenderPhysicalModel(color: const Color(0xffff00ff));
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layout(root, phase: EnginePhase.composite);
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expect(root.needsCompositing, isFalse);
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// On non-Fuchsia platforms, Flutter draws its own shadows.
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root.elevation = 1.0;
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pumpFrame(phase: EnginePhase.composite);
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expect(root.needsCompositing, isFalse);
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root.elevation = 0.0;
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pumpFrame(phase: EnginePhase.composite);
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expect(root.needsCompositing, isFalse);
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debugDefaultTargetPlatformOverride = null;
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});
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}
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