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38 lines
1016 B
Dart
38 lines
1016 B
Dart
// Copyright 2015 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/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("nested repaint boundaries - smoke test", () {
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RenderOpacity a, b, c;
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a = new RenderOpacity(
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opacity: 1.0,
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child: new RenderRepaintBoundary(
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child: b = new RenderOpacity(
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opacity: 1.0,
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child: new RenderRepaintBoundary(
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child: c = new RenderOpacity(
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opacity: 1.0
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)
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)
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)
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)
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);
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layout(a, phase: EnginePhase.flushSemantics);
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c.opacity = 0.9;
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pumpFrame(phase: EnginePhase.flushSemantics);
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a.opacity = 0.8;
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c.opacity = 0.8;
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pumpFrame(phase: EnginePhase.flushSemantics);
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a.opacity = 0.7;
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b.opacity = 0.7;
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c.opacity = 0.7;
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pumpFrame(phase: EnginePhase.flushSemantics);
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});
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}
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