test/compiler/testlibrary/CompilerUtils.java

*** 21,30 ****
--- 21,31 ----
   * questions.
   */
  
  package compiler.testlibrary;
  
+ import java.util.Arrays;
  import jdk.test.lib.Asserts;
  import jdk.test.lib.Platform;
  import java.util.stream.IntStream;
  import sun.hotspot.WhiteBox;
  
*** 58,63 ****
--- 59,74 ----
                  return new int[]{1};
              }
          }
          return new int[0];
      }
+ 
+     /**
+      * Returns maximum compilation level available
+      * @return an int value representing maximum compilation level available
+      */
+     public static int getMaxCompilationLevel() {
+         return Arrays.stream(getAvailableCompilationLevels())
+                 .max()
+                 .getAsInt();
+     }
  }