ehelin@4655: /*
ehelin@4655:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
ehelin@4655:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ehelin@4655:  *
ehelin@4655:  * This code is free software; you can redistribute it and/or modify it
ehelin@4655:  * under the terms of the GNU General Public License version 2 only, as
ehelin@4655:  * published by the Free Software Foundation.
ehelin@4655:  *
ehelin@4655:  * This code is distributed in the hope that it will be useful, but WITHOUT
ehelin@4655:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ehelin@4655:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ehelin@4655:  * version 2 for more details (a copy is included in the LICENSE file that
ehelin@4655:  * accompanied this code).
ehelin@4655:  *
ehelin@4655:  * You should have received a copy of the GNU General Public License version
ehelin@4655:  * 2 along with this work; if not, write to the Free Software Foundation,
ehelin@4655:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ehelin@4655:  *
ehelin@4655:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ehelin@4655:  * or visit www.oracle.com if you need additional information or have any
ehelin@4655:  * questions.
ehelin@4655:  */
ehelin@4655: 
ehelin@4655: /*
ehelin@4655:  * @test ClassMetaspaceSizeInJmapHeap
ehelin@4655:  * @bug 8004924
ehelin@4655:  * @summary Checks that jmap -heap contains the flag ClassMetaspaceSize
ehelin@4655:  * @library /testlibrary
ehelin@4655:  * @run main/othervm -XX:ClassMetaspaceSize=50m ClassMetaspaceSizeInJmapHeap
ehelin@4655:  */
ehelin@4655: 
ehelin@4655: import com.oracle.java.testlibrary.*;
ehelin@4655: import java.nio.file.*;
ehelin@4655: import java.io.File;
ehelin@4655: import java.nio.charset.Charset;
ehelin@4655: import java.util.List;
ehelin@4655: 
ehelin@4655: public class ClassMetaspaceSizeInJmapHeap {
ehelin@4655:     public static void main(String[] args) throws Exception {
ehelin@4655:         String pid = Integer.toString(ProcessTools.getProcessId());
ehelin@4655: 
ehelin@4856:         JDKToolLauncher jmap = JDKToolLauncher.create("jmap")
ehelin@4856:                                               .addToolArg("-heap")
ehelin@4856:                                               .addToolArg(pid);
ehelin@4856:         ProcessBuilder pb = new ProcessBuilder(jmap.getCommand());
ehelin@4655: 
ehelin@4655:         File out = new File("ClassMetaspaceSizeInJmapHeap.stdout.txt");
ehelin@4655:         pb.redirectOutput(out);
ehelin@4655: 
ehelin@4655:         File err = new File("ClassMetaspaceSizeInJmapHeap.stderr.txt");
ehelin@4655:         pb.redirectError(err);
ehelin@4655: 
ehelin@4655:         run(pb);
ehelin@4655: 
ehelin@4655:         OutputAnalyzer output = new OutputAnalyzer(read(out));
ehelin@4655:         output.shouldContain("ClassMetaspaceSize = 52428800 (50.0MB)");
ehelin@4655:         out.delete();
ehelin@4655:     }
ehelin@4655: 
ehelin@4655:     private static void run(ProcessBuilder pb) throws Exception {
ehelin@4655:         Process p = pb.start();
ehelin@4655:         p.waitFor();
ehelin@4655:         int exitValue = p.exitValue();
ehelin@4655:         if (exitValue != 0) {
ehelin@4655:             throw new Exception("jmap -heap exited with error code: " + exitValue);
ehelin@4655:         }
ehelin@4655:     }
ehelin@4655: 
ehelin@4655:     private static String read(File f) throws Exception {
ehelin@4655:         Path p = f.toPath();
ehelin@4655:         List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
ehelin@4655: 
ehelin@4655:         StringBuilder sb = new StringBuilder();
ehelin@4655:         for (String line : lines) {
ehelin@4655:             sb.append(line).append('\n');
ehelin@4655:         }
ehelin@4655:         return sb.toString();
ehelin@4655:     }
ehelin@4655: }