test/testlibrary/com/oracle/java/testlibrary/Utils.java

rev 7461 : 8066440: Various changes in testlibrary for JDK-8059613
Reviewed-by: iignatyev
Contributed-by: dmitrij.pochepko@oracle.com

*** 35,44 ****
--- 35,45 ----
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Random;
+ import java.util.function.BooleanSupplier;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  import sun.misc.Unsafe;
  
  /**
*** 86,95 ****
--- 87,103 ----
      static {
          String toFactor = System.getProperty("test.timeout.factor", "1.0");
          TIMEOUT_FACTOR = Double.parseDouble(toFactor);
      }
  
+     /**
+     * Returns the value of 'test.iterations.count' system property
+     * converted to {@code int}.
+     */
+     public static final int ITERATIONS_COUNT = 
+             Integer.getInteger("com.oracle.java.testlibrary.iterations", 1);
+     
      private Utils() {
          // Private constructor to prevent class instantiation
      }
  
      /**
*** 365,370 ****
--- 373,405 ----
                  }
              }
          }
          return RANDOM_GENERATOR;
      }
+     
+     /**
+      * Wait for condition to be true
+      *
+      * @param condition, a condition to wait for, using default sleep time 100
+      */
+     public static final void waitForCondition(BooleanSupplier condition) {
+         waitForCondition(condition, 100);
+     }
+ 
+     /**
+      * Wait until timeout for condition to be true
+      *
+      * @param condition, a condition to wait for
+      * @param sleepTime a time to sleep value in milliseconds
+      */
+     public static final void waitForCondition(BooleanSupplier condition,
+             long sleepTime) {
+         while (!condition.getAsBoolean()) {
+             try {
+                 Thread.sleep(sleepTime);
+             } catch (InterruptedException e) {
+                 Thread.currentThread().interrupt();
+                 throw new Error(e);
+             }
+         }
+     }
  }