1 files changed, 14 insertions, 1 deletions

diff --git a/src/cz/crcs/ectester/common/test/SimpleTest.java b/src/cz/crcs/ectester/common/test/SimpleTest.java
index 85f1072..d2b3e94 100644
--- a/src/cz/crcs/ectester/common/test/SimpleTest.java
+++ b/src/cz/crcs/ectester/common/test/SimpleTest.java
@@ -4,11 +4,17 @@ package cz.crcs.ectester.common.test;
  * @param <T>
  * @author Jan Jancar johny@neuromancer.sk
  */
-public abstract class SimpleTest<T extends BaseTestable> extends Test {
+public abstract class SimpleTest<T extends BaseTestable> extends Test implements Testable {
     protected T testable;
     protected TestCallback<T> callback;
 
     public SimpleTest(T testable, TestCallback<T> callback) {
+        if (testable == null) {
+            throw new IllegalArgumentException("testable is null.");
+        }
+        if (callback == null) {
+            throw new IllegalArgumentException("callback is null.");
+        }
         this.testable = testable;
         this.callback = callback;
     }
@@ -22,4 +28,11 @@ public abstract class SimpleTest<T extends BaseTestable> extends Test {
         testable.run();
         result = callback.apply(testable);
     }
+
+    @Override
+    public SimpleTest clone() throws CloneNotSupportedException {
+        SimpleTest clone = (SimpleTest) super.clone();
+        clone.testable = testable.clone();
+        return clone;
+    }
 }