/* * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2022, Alibaba Group Holding Limited. 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 8275775 * @summary Test jcmd VM.classes * @library /test/lib * @run main/othervm PrintClasses */ /* * @test * @bug 8298162 * @summary Test jcmd VM.classes with JFR * @requires vm.hasJFR * @library /test/lib * @run main/othervm -XX:StartFlightRecording PrintClasses */ import jdk.test.lib.dcmd.PidJcmdExecutor; import jdk.test.lib.process.OutputAnalyzer; public class PrintClasses { public static void main(String args[]) throws Exception { var pb = new ProcessBuilder(); pb.command(new PidJcmdExecutor().getCommandLine("VM.classes")); var output = new OutputAnalyzer(pb.start()); output.shouldNotContain("instance size"); output.shouldContain(PrintClasses.class.getSimpleName()); pb.command(new PidJcmdExecutor().getCommandLine("VM.classes", "-verbose")); output = new OutputAnalyzer(pb.start()); output.shouldContain("instance size"); output.shouldContain(PrintClasses.class.getSimpleName()); // Test for previous bug in misc flags printing output.shouldNotContain("##name"); pb.command(new PidJcmdExecutor().getCommandLine("VM.classes", "-location")); output = new OutputAnalyzer(pb.start()); output.stdoutShouldMatch("^.*(file:/|jar:).*$"); } }