--- /dev/null 2016-01-25 12:18:22.733707359 +0300 +++ new/test/java/awt/Paint/ComponentIsNotDrawnAfterRemoveAddTest/ComponentIsNotDrawnAfterRemoveAddTest.java 2016-01-25 18:03:57.642846649 +0300 @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* @test + @bug 8139581 + @summary AWT components are not drawn after removal and addition to a container + @author Anton Litvinov + */ + +import java.awt.Button; +import java.awt.Color; +import java.awt.Canvas; +import java.awt.Frame; +import java.awt.Graphics; +import java.awt.Panel; +import java.util.ArrayList; + +public class ComponentIsNotDrawnAfterRemoveAddTest { + private final Frame frame; + private final Panel panel; + private final ArrayList compList = new ArrayList(); + + public ComponentIsNotDrawnAfterRemoveAddTest() { + frame = new Frame("ComponentIsNotDrawnAfterRemoveAddTest"); + frame.setSize(500, 500); + frame.setLocation(200, 200); + frame.setLayout(null); + frame.setBackground(Color.RED); + + panel = new Panel(); + panel.setLayout(null); + panel.setBounds(25, 100, 455, 295); + panel.setBackground(Color.GREEN); + + for (int i = 0; i < 10; i++) { + TestCanvas canv1 = new TestCanvas(); + canv1.setBounds(i * 45 + 5, 15, 30 + i, 30 + i); + panel.add(canv1); + compList.add(canv1); + + TestButton btn1 = new TestButton(); + btn1.setBounds(i * 45 + 5, 60, 30 + i, 30 + i); + panel.add(btn1); + compList.add(btn1); + + TestCanvas canv2 = new TestCanvas(); + canv2.setBounds(i * 45 + 5, 105, 30 + i, 30 + i); + panel.add(canv2); + compList.add(canv2); + + TestButton btn2 = new TestButton(); + btn2.setBounds(i * 45 + 5, 150, 30 + i, 30 + i); + panel.add(btn2); + compList.add(btn2); + + TestCanvas canv3 = new TestCanvas(); + canv3.setBounds(i * 45 + 5, 195, 30 + i, 30 + i); + panel.add(canv3); + compList.add(canv3); + + TestButton btn3 = new TestButton(); + btn3.setBounds(i * 45 + 5, 240, 30 + i, 30 + i); + panel.add(btn3); + compList.add(btn3); + } + + frame.add(panel); + frame.setVisible(true); + } + + private void runTest() { + try { + doSleep(1500); + checkTestableComponents(); + + for (int i = 0; i < 5; i++) { + System.err.println(String.format("Test iteration #%d:", i)); + + frame.remove(panel); + frame.invalidate(); + frame.validate(); + frame.add(panel); + + doSleep(1500); + checkTestableComponents(); + } + } finally { + frame.dispose(); + } + } + + private void doSleep(long millis) { + try { + Thread.sleep(millis); + } catch (InterruptedException ie) { + ie.printStackTrace(); + } + } + + private void checkTestableComponents() throws RuntimeException { + int notDrawnCompsCount = 0; + for (Testable comp : compList) { + if (!comp.wasPaintCalled()) { + notDrawnCompsCount++; + } else { + comp.resetPaintCalledFlag(); + } + } + if (notDrawnCompsCount > 0) { + throw new RuntimeException(String.format( + "'paint' method of %d components was not called.", notDrawnCompsCount)); + } + } + + private interface Testable { + boolean wasPaintCalled(); + void resetPaintCalledFlag(); + } + + private static class TestCanvas extends Canvas implements Testable { + private volatile boolean paintWasCalled = false; + + @Override + public void paint(Graphics g) { + paintWasCalled = true; + super.paint(g); + g.setColor(Color.BLUE); + g.fillRect(0, 0, getWidth(), getHeight()); + } + + @Override + public boolean wasPaintCalled() { + return paintWasCalled; + } + + @Override + public void resetPaintCalledFlag() { + paintWasCalled = false; + } + } + + private static class TestButton extends Button implements Testable { + private volatile boolean paintWasCalled = false; + + @Override + public void paint(Graphics g) { + paintWasCalled = true; + super.paint(g); + g.setColor(Color.YELLOW); + g.fillRect(0, 0, 15, 15); + } + + @Override + public boolean wasPaintCalled() { + return paintWasCalled; + } + + @Override + public void resetPaintCalledFlag() { + paintWasCalled = false; + } + } + + public static void main(String[] args) { + new ComponentIsNotDrawnAfterRemoveAddTest().runTest(); + } +}