14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestStringSymbolTableStats.java
  26  * @bug 8027476 8027455
  27  * @summary Ensure that the G1TraceStringSymbolTableScrubbing prints the expected message.
  28  * @key gc
  29  * @library /testlibrary
  30  * @modules java.base/sun.misc
  31  *          java.management
  32  */
  33 
  34 import com.oracle.java.testlibrary.ProcessTools;
  35 import com.oracle.java.testlibrary.OutputAnalyzer;
  36 
  37 public class TestStringSymbolTableStats {
  38   public static void main(String[] args) throws Exception {
  39 
  40     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
  41                                                               "-XX:+UnlockExperimentalVMOptions",
  42                                                               "-XX:+G1TraceStringSymbolTableScrubbing",
  43                                                               SystemGCTest.class.getName());
  44 
  45     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  46 
  47     System.out.println("Output:\n" + output.getOutput());
  48 
  49     output.shouldContain("Cleaned string and symbol table");
  50     output.shouldHaveExitValue(0);
  51   }
  52 
  53   static class SystemGCTest {
  54     public static void main(String [] args) {
  55       System.out.println("Calling System.gc()");

  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestStringSymbolTableStats.java
  26  * @bug 8027476 8027455
  27  * @summary Ensure that the G1TraceStringSymbolTableScrubbing prints the expected message.
  28  * @key gc
  29  * @library /testlibrary
  30  * @modules java.base/sun.misc
  31  *          java.management
  32  */
  33 
  34 import jdk.test.lib.ProcessTools;
  35 import jdk.test.lib.OutputAnalyzer;
  36 
  37 public class TestStringSymbolTableStats {
  38   public static void main(String[] args) throws Exception {
  39 
  40     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
  41                                                               "-XX:+UnlockExperimentalVMOptions",
  42                                                               "-XX:+G1TraceStringSymbolTableScrubbing",
  43                                                               SystemGCTest.class.getName());
  44 
  45     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  46 
  47     System.out.println("Output:\n" + output.getOutput());
  48 
  49     output.shouldContain("Cleaned string and symbol table");
  50     output.shouldHaveExitValue(0);
  51   }
  52 
  53   static class SystemGCTest {
  54     public static void main(String [] args) {
  55       System.out.println("Calling System.gc()");