HeapInfoTest.java

/*
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 * 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
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import com.oracle.java.testlibrary.JDKToolFinder;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.ProcessTools;

/*
 * @test
 * @summary Test of diagnostic command GC.heap_info
 * @library /testlibrary
 * @run main HeapInfoTest
 */
public class HeapInfoTest {

    public static void main(String[] args) throws Exception {
        String pid = Integer.toString(ProcessTools.getProcessId());
        ProcessBuilder pb = new ProcessBuilder();
        pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "GC.heap_info"});
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldContain("Metaspace");
    }
}