diff --git a/annotationprocessor/src/test/java/io/toolisticon/annotationprocessortoolkit/AbstractAnnotationProcessorTest.java b/annotationprocessor/src/test/java/io/toolisticon/annotationprocessortoolkit/AbstractAnnotationProcessorTest.java
index d37c07e2..850d7f44 100644
--- a/annotationprocessor/src/test/java/io/toolisticon/annotationprocessortoolkit/AbstractAnnotationProcessorTest.java
+++ b/annotationprocessor/src/test/java/io/toolisticon/annotationprocessortoolkit/AbstractAnnotationProcessorTest.java
@@ -1,10 +1,11 @@
 package io.toolisticon.annotationprocessortoolkit;
 
-import io.toolisticon.annotationprocessortoolkit.tools.corematcher.CoreMatchers;
 import io.toolisticon.annotationprocessortoolkit.testhelper.AbstractAnnotationProcessorUnitTest;
 import io.toolisticon.annotationprocessortoolkit.testhelper.unittest.AbstractUnitTestAnnotationProcessorClass;
 import io.toolisticon.annotationprocessortoolkit.testhelper.unittest.AnnotationProcessorUnitTestConfiguration;
 import io.toolisticon.annotationprocessortoolkit.testhelper.unittest.AnnotationProcessorUnitTestConfigurationBuilder;
+import io.toolisticon.annotationprocessortoolkit.testhelper.unittest.TestAnnotation;
+import io.toolisticon.annotationprocessortoolkit.tools.corematcher.CoreMatchers;
 import io.toolisticon.annotationprocessortoolkit.tools.fluentfilter.FluentElementFilter;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
@@ -64,6 +65,84 @@ protected void testCase(TypeElement element) {
 
                         },
 
+                        {
+                                "createSupportedAnnotationSet : without parameters",
+                                AnnotationProcessorUnitTestConfigurationBuilder.createTestConfig()
+                                        .compilationShouldSucceed()
+                                        .setProcessor(new AbstractUnitTestAnnotationProcessorClass() {
+                                                          @Override
+                                                          protected void testCase(TypeElement element) {
+
+                                                              MatcherAssert.assertThat(AbstractAnnotationProcessor.createSupportedAnnotationSet(), Matchers.<String>empty());
+
+                                                          }
+                                                      }
+                                        )
+                                        .build()
+
+
+                        },
+
+                        {
+                                "createSupportedAnnotationSet : with parameters",
+                                AnnotationProcessorUnitTestConfigurationBuilder.createTestConfig()
+                                        .compilationShouldSucceed()
+                                        .setProcessor(new AbstractUnitTestAnnotationProcessorClass() {
+                                                          @Override
+                                                          protected void testCase(TypeElement element) {
+
+                                                              MatcherAssert.assertThat(AbstractAnnotationProcessor.createSupportedAnnotationSet(Override.class, TestAnnotation.class), Matchers.contains(Override.class.getCanonicalName(), TestAnnotation.class.getCanonicalName()));
+
+                                                          }
+                                                      }
+                                        )
+                                        .build()
+
+
+                        },
+
+                        {
+                                "createSupportedAnnotationSet : with null value parameters",
+                                AnnotationProcessorUnitTestConfigurationBuilder.createTestConfig()
+                                        .compilationShouldSucceed()
+                                        .setProcessor(new AbstractUnitTestAnnotationProcessorClass() {
+                                                          @Override
+                                                          protected void testCase(TypeElement element) {
+
+                                                              MatcherAssert.assertThat(AbstractAnnotationProcessor.createSupportedAnnotationSet(null), Matchers.<String>empty());
+                                                              MatcherAssert.assertThat(AbstractAnnotationProcessor.createSupportedAnnotationSet(Override.class, null, TestAnnotation.class), Matchers.contains(Override.class.getCanonicalName(), TestAnnotation.class.getCanonicalName()));
+
+                                                          }
+                                                      }
+                                        )
+                                        .build()
+
+
+                        },
+
+                        {
+                                "wrapToArray : with null value parameters",
+                                AnnotationProcessorUnitTestConfigurationBuilder.createTestConfig()
+                                        .compilationShouldSucceed()
+                                        .setProcessor(new AbstractUnitTestAnnotationProcessorClass() {
+                                                          @Override
+                                                          protected void testCase(TypeElement element) {
+
+                                                              MatcherAssert.assertThat("Should return null",AbstractAnnotationProcessor.wrapToArray((String) null)[0] == null);
+
+                                                              Class[] resultArray = AbstractAnnotationProcessor.wrapToArray(Override.class, null, TestAnnotation.class);
+                                                              MatcherAssert.assertThat(Arrays.asList(resultArray), Matchers.hasSize(3));
+                                                              MatcherAssert.assertThat(resultArray[0], Matchers.equalTo((Class) Override.class));
+                                                              MatcherAssert.assertThat(resultArray[1], Matchers.nullValue());
+                                                              MatcherAssert.assertThat(resultArray[2], Matchers.equalTo((Class) TestAnnotation.class));
+
+                                                          }
+                                                      }
+                                        )
+                                        .build()
+
+
+                        },
 
                         /*-
                         {