test/java/lang/invoke/LFCaching/LambdaFormTestCase.java

*** 25,34 ****
--- 25,35 ----
  import com.sun.management.HotSpotDiagnosticMXBean;
  import java.lang.management.ManagementFactory;
  import java.lang.reflect.Method;
  import java.util.Collection;
  import java.util.function.Function;
+ import jdk.testlibrary.Utils;
  
  /**
   * Lambda forms caching test case class. Contains all necessary test routines to
   * test lambda forms caching in method handles returned by methods of
   * MethodHandles class.
*** 39,48 ****
--- 40,50 ----
  
      private final static String METHOD_HANDLE_CLASS_NAME = "java.lang.invoke.MethodHandle";
      private final static String INTERNAL_FORM_METHOD_NAME = "internalForm";
      private static final double ITERATIONS_TO_CODE_CACHE_SIZE_RATIO
              = 45 / (128.0 * 1024 * 1024);
+     private static final long TIMEOUT = Utils.adjustTimeout(Utils.DEFAULT_TEST_TIMEOUT);
      
      /**
       * Reflection link to {@code j.l.i.MethodHandle.internalForm} method. It is
       * used to get a lambda form from a method handle.
       */
*** 107,117 ****
--- 109,122 ----
              iterations = iterationsByCodeCacheSize;
          }
          System.out.printf("Number of iterations is set to %d (%d cases)%n",
                  iterations, iterations * testCaseNum);
          System.out.flush();
+         long maxIterTime = 0;
+         long startTime = System.currentTimeMillis();
          for (long i = 0; i < iterations; i++) {
+             long startIterTime = System.currentTimeMillis();
              System.err.println(String.format("Iteration %d:", i));
              for (TestMethods testMethod : testMethods) {
                  LambdaFormTestCase testCase = ctor.apply(testMethod);
                  try {
                      System.err.printf("Tested LF caching feature with MethodHandles.%s method.%n",
*** 124,133 ****
--- 129,147 ----
                      passed = false;
                      failCounter++;
                  }
                  testCounter++;
              }
+             long passedTime = System.currentTimeMillis() - startTime;
+             long iterTime = System.currentTimeMillis() - startIterTime;
+             maxIterTime = Math.max(maxIterTime, iterTime);
+             long remainTime = TIMEOUT - passedTime;
+             if (4 * maxIterTime > remainTime) {
+                 System.err.printf("Stopping iterations because of lack of time.%n"
+                         + "Increase timeout factor for more iterations.%n");
+                 break;
+             }
          }
          if (!passed) {
              throw new Error(String.format("%d of %d test cases FAILED! %n"
                      + "Rerun the test with the same \"-Dseed=\" option as in the log file!",
                      failCounter, testCounter));