test/testlibrary/jdk/test/lib/Utils.java

*** 39,48 ****
--- 39,50 ----
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Iterator;
+ import java.util.Map;
+ import java.util.HashMap;
  import java.util.List;
  import java.util.Random;
  import java.util.function.BooleanSupplier;
  import java.util.concurrent.TimeUnit;
  import java.util.function.Consumer;
*** 592,598 ****
--- 594,620 ----
          if (!type.isArray()) {
              return "L" + result + ";";
          }
          return result;
      }
+ 
+     public static Object[] getNullValues(Class<?>... types) {
+         Object[] result = new Object[types.length];
+         int i = 0;
+         for (Class<?> type : types) {
+             result[i++] = NULL_VALUES.get(type);
+         }
+         return result;
+     }
+     private static Map<Class<?>, Object> NULL_VALUES = new HashMap<>();
+     static {
+         NULL_VALUES.put(boolean.class, false);
+         NULL_VALUES.put(byte.class, (byte) 0);
+         NULL_VALUES.put(short.class, (short) 0);
+         NULL_VALUES.put(char.class, '\0');
+         NULL_VALUES.put(int.class, 0);
+         NULL_VALUES.put(long.class, 0L);
+         NULL_VALUES.put(float.class, 0.0f);
+         NULL_VALUES.put(double.class, 0.0d);
+     }
  }