/* * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2024, Red Hat Inc. * 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 8334492 * @summary Test to verify jcmd accepts %p in output filenames and substitutes for PID * @library /test/lib * @modules java.base/jdk.internal.misc * java.management * @run driver TestJcmdPIDSubstitution * */ import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.process.ProcessTools; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import jdk.test.lib.Platform; public class TestJcmdPIDSubstitution { private static final String FILENAME = "myfile%p"; public static void main(String[] args) throws Exception { verifyOutputFilenames("Thread.dump_to_file", FILENAME); verifyOutputFilenames("GC.heap_dump", FILENAME); if (Platform.isLinux()) { verifyOutputFilenames("Compiler.perfmap", FILENAME); } if (Platform.isLinux() || Platform.isWindows()) { verifyOutputFilenames("System.dump_map", "-F=%s".formatted(FILENAME)); } } private static void verifyOutputFilenames(String... args) throws Exception { long pid = ProcessTools.getProcessId(); String test_dir = System.getProperty("test.dir", "."); Path path = Paths.get("%s/myfile%d".formatted(test_dir, pid)); OutputAnalyzer output = JcmdBase.jcmd(args); output.shouldHaveExitValue(0); if (Files.exists(path)) { Files.delete(path); } else { throw new Exception("File %s was not created as expected for diagnostic cmd %s".formatted(path, args[0])); } } }