test/gc/g1/TestShrinkDefragmentedHeap.java

*** 29,49 ****
   *        "ssssHssssHssssHssssHssssHssssHssssH"
   *     2. release all allocated object except the last humongous one
   *        "..................................H"
   *     3. invoke gc and check that memory returned to the system (amount of committed memory got down)
   *
!  * @library /testlibrary
   * @modules java.base/jdk.internal.misc
   *          java.management/sun.management
   */
  import java.lang.management.ManagementFactory;
  import java.lang.management.MemoryUsage;
  import java.util.ArrayList;
  import java.util.List;
  import static jdk.test.lib.Asserts.*;
! import jdk.test.lib.ProcessTools;
! import jdk.test.lib.OutputAnalyzer;
  import com.sun.management.HotSpotDiagnosticMXBean;
  
  public class TestShrinkDefragmentedHeap {
      // Since we store all the small objects, they become old and old regions are also allocated at the bottom of the heap
      // together with humongous regions. So if there are a lot of old regions in the lower part of the heap,
--- 29,49 ----
   *        "ssssHssssHssssHssssHssssHssssHssssH"
   *     2. release all allocated object except the last humongous one
   *        "..................................H"
   *     3. invoke gc and check that memory returned to the system (amount of committed memory got down)
   *
!  * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management/sun.management
   */
  import java.lang.management.ManagementFactory;
  import java.lang.management.MemoryUsage;
  import java.util.ArrayList;
  import java.util.List;
  import static jdk.test.lib.Asserts.*;
! import jdk.test.lib.process.OutputAnalyzer;
! import jdk.test.lib.process.ProcessTools;
  import com.sun.management.HotSpotDiagnosticMXBean;
  
  public class TestShrinkDefragmentedHeap {
      // Since we store all the small objects, they become old and old regions are also allocated at the bottom of the heap
      // together with humongous regions. So if there are a lot of old regions in the lower part of the heap,