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

@@ -25,10 +25,11 @@
 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.

@@ -39,10 +40,11 @@
 
     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.
      */

@@ -118,10 +120,11 @@
             iterations = 1;
         }
         System.out.printf("Number of iterations is set to %d (%d cases)%n",
                 iterations, iterations * testCaseNum);
         System.out.flush();
+        long startTime = System.currentTimeMillis();
         for (long i = 0; i < iterations; i++) {
             System.err.println(String.format("Iteration %d:", i));
             for (TestMethods testMethod : testMethods) {
                 LambdaFormTestCase testCase = ctor.apply(testMethod);
                 try {

@@ -135,10 +138,18 @@
                     passed = false;
                     failCounter++;
                 }
                 testCounter++;
             }
+            long passedTime = System.currentTimeMillis() - startTime;
+            long avgIterTime = passedTime / (i + 1);
+            long remainTime = TIMEOUT - passedTime;
+            if (avgIterTime > 2 * 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));