Added tests for lazy-loading pattern

lazy-loading/src/test/java/com/iluwatar/lazy/loading/HolderNaiveTest.java

@@ -0,0 +1,26 @@
+package com.iluwatar.lazy.loading;
+
+import java.lang.reflect.Field;
+
+/**
+ * Date: 12/19/15 - 12:05 PM
+ *
+ * @author Jeroen Meulemeester
+ */
+public class HolderNaiveTest extends AbstractHolderTest {
+
+  private final HolderNaive holder = new HolderNaive();
+
+  @Override
+  Heavy getInternalHeavyValue() throws Exception {
+    final Field holderField = HolderNaive.class.getDeclaredField("heavy");
+    holderField.setAccessible(true);
+    return (Heavy) holderField.get(this.holder);
+  }
+
+  @Override
+  Heavy getHeavy() {
+    return holder.getHeavy();
+  }
+
+}