/* * Copyright (c) 2022, 2024, 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. */ import java.awt.MediaTracker; import javax.swing.ImageIcon; import javax.swing.SwingUtilities; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.nio.charset.StandardCharsets; /* * @test * @bug 8236987 8320328 * @summary Verifies ImageIcon constructor produces no output when the * thread is interrupted * @run main LoadInterruptTest */ public class LoadInterruptTest { private static ByteArrayOutputStream testOut; private static PrintStream prevSysOut; public static void main(String[] args) throws Exception { try { SwingUtilities.invokeAndWait(new Runnable() { public void run() { loadImageIcon(); } }); } finally { unsetOutput(); } } public static void setUpOutput() { prevSysOut = System.out; testOut = new ByteArrayOutputStream(); System.setOut(new PrintStream(testOut, true, StandardCharsets.UTF_8)); } public static void unsetOutput() { if (prevSysOut != null) { System.setOut(prevSysOut); } testOut = null; } private static void loadImageIcon() { setUpOutput(); Thread.currentThread().interrupt(); ImageIcon i = new ImageIcon("https://openjdk.org/images/openjdk.png"); int status = i.getImageLoadStatus(); boolean interrupted = Thread.currentThread().isInterrupted(); System.out.flush(); String outString = testOut.toString(StandardCharsets.UTF_8); if (!outString.isEmpty()) { throw new RuntimeException("Test Case Failed!!! System.out is not empty : " + outString); } if (status == MediaTracker.LOADING) { throw new RuntimeException("Test Case Failed!!! LOADING... status!!!"); } if (!interrupted) { throw new RuntimeException("Interrupted state of the thread is not preserved"); } } }