--- /dev/null 2017-11-08 10:58:12.000000000 +0530 +++ new/test/jdk/javax/swing/JLabel/GetSpanHiDpiBug.java 2017-11-08 10:58:11.239672000 +0530 @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2017, 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 8178025 + * @summary Verifies if SPANs in HTML text are rendered properly in hidpi + * @run main/manual/othervm -Dsun.java2d.uiScale=2.25 GetSpanHiDpiBug + */ +import java.awt.BorderLayout; +import java.awt.FlowLayout; +import java.beans.PropertyChangeSupport; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import javax.swing.JButton; +import javax.swing.JDialog; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JPanel; +import javax.swing.JTextArea; +import javax.swing.SwingUtilities; + +public class GetSpanHiDpiBug { + public static void main(String[] args) throws Exception { + + final CountDownLatch latch = new CountDownLatch(1); + SpanTest test = new SpanTest(latch); + Thread T1 = new Thread(test); + T1.start(); + + // wait for latch to complete + boolean ret = false; + try { + ret = latch.await(3000, TimeUnit.SECONDS); + } catch (InterruptedException ie) { + throw ie; + } + if (!ret) { + test.dispose(); + throw new RuntimeException(" User has not executed the test"); + } + if (test.testResult == false) { + throw new RuntimeException("Some characters overlap"); + } + } +} + +class SpanTest implements Runnable { + static JFrame f; + static JDialog dialog; + public boolean testResult = false; + private final CountDownLatch latch; + + public SpanTest(CountDownLatch latch) throws Exception { + this.latch = latch; + } + + @Override + public void run() { + try { + createUI(); + spanTest(); + } catch (Exception ex) { + dispose(); + latch.countDown(); + throw new RuntimeException("createUI Failed: " + ex.getMessage()); + } + } + + public void dispose() { + if (dialog != null) { + dialog.dispose(); + } + if (f != null) { + f.dispose(); + } + } + + private static void spanTest() throws Exception { + SwingUtilities.invokeAndWait(new Runnable() { + @Override + public void run() { + JLabel label = + new JLabel("A few words to get started " + + "before the bugoverlapping text"); + f = new JFrame(""); + f.getContentPane().add(label, BorderLayout.CENTER); + f.setSize(500,500); + f.setVisible(true); + } + }); + } + + private final void createUI() throws Exception { + SwingUtilities.invokeAndWait(new Runnable() { + @Override + public void run() { + String description + = " INSTRUCTIONS:\n" + + " A string will be shown.\n " + + " Press Pass if there is no overlap of characters\n" + + " else press Fail."; + + dialog = new JDialog(); + dialog.setTitle("textselectionTest"); + JTextArea textArea = new JTextArea(description); + textArea.setEditable(false); + final JButton passButton = new JButton("PASS"); + passButton.addActionListener((e) -> { + testResult = true; + dispose(); + latch.countDown(); + }); + final JButton failButton = new JButton("FAIL"); + failButton.addActionListener((e) -> { + testResult = false; + dispose(); + latch.countDown(); + }); + JPanel mainPanel = new JPanel(new BorderLayout()); + mainPanel.add(textArea, BorderLayout.CENTER); + JPanel buttonPanel = new JPanel(new FlowLayout()); + buttonPanel.add(passButton); + buttonPanel.add(failButton); + mainPanel.add(buttonPanel, BorderLayout.SOUTH); + dialog.add(mainPanel); + dialog.pack(); + dialog.setVisible(true); + } + }); + } +}