Fixes issue #3296 - Add JUnit tests for DefaultAnnotationManager (#3297)

core/impl/src/test/java/cloud/piranha/core/impl/DefaultAnnotationManagerTest.java

@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2002-2023 Manorrock.com. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of the copyright holder nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package cloud.piranha.core.impl;
+
+import java.lang.annotation.Annotation;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+/**
+ * The JUnit tests for the DefaultAnnotationManager class.
+ * 
+ * @author Manfred Riem ([email protected])
+ */
+public class DefaultAnnotationManagerTest {
+
+    /**
+     * Test addAnnotation method.
+     */
+    @Test
+    public void testAddAnnotation() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        manager.addAnnotation(null);
+    }
+
+    /**
+     * Test addInstance method.
+     */
+    @Test
+    public void testAddInstance() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        manager.addInstance(null, null);
+    }
+
+    /**
+     * Test getAnnotations method.
+     */
+    @Test
+    public void testGetAnnotations() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getAnnotations(Object.class));
+    }
+
+    /**
+     * Test getAnnotations method.
+     */
+    @Test
+    public void testGetAnnotations2() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getAnnotations(new Class[0]));
+    }
+
+    /**
+     * Test getInstances method.
+     */
+    @Test
+    public void testGetInstances() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getInstances(Object.class));
+    }
+
+    /**
+     * Test getInstances method.
+     */
+    @Test
+    public void testGetInstances2() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getInstances(new Class[0]));
+    }
+
+    /**
+     * Test getAnnotationsByTarget method.
+     */
+    @Test
+    public void testGetAnnotationsByTarget() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getAnnotationsByTarget(null, null));
+    }
+
+    /**
+     * Test addAnnotatedClass method.
+     */
+    @Test
+    public void testAddAnnotatedClass() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        manager.addAnnotatedClass(null, null);
+    }
+
+    /**
+     * Test addAnnotatedClass method.
+     */
+    @Test
+    public void testAddAnnotatedClass2() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        Annotation annotation = new Annotation() {
+            @Override
+            public Class<? extends Annotation> annotationType() {
+                throw new UnsupportedOperationException("Not supported yet.");
+            }
+        };
+        manager.addAnnotatedClass(annotation.getClass(), Object.class);
+        manager.addAnnotatedClass(annotation.getClass(), String.class);
+        assertEquals(2, manager.getAnnotatedClass(annotation.getClass()).size());
+    }
+
+    /**
+     * Test getAnnotatedClass method.
+     */
+    @Test
+    public void testGetAnnotatedClass() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getAnnotatedClass(null));
+    }
+
+    /**
+     * Test getAnnotatedClasses method.
+     */
+    @Test
+    public void testGetAnnotatedClasses() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        assertNotNull(manager.getAnnotatedClasses(null));
+    }
+
+    /**
+     * Test getAnnotatedClasses method.
+     */
+    @Test
+    public void testGetAnnotatedClasses2() {
+        DefaultAnnotationManager manager = new DefaultAnnotationManager();
+        Annotation annotation = new Annotation() {
+            @Override
+            public Class<? extends Annotation> annotationType() {
+                throw new UnsupportedOperationException("Not supported yet.");
+            }
+        };
+        manager.addAnnotatedClass(annotation.getClass(), Object.class);
+        manager.addAnnotatedClass(annotation.getClass(), String.class);
+        assertEquals(2, manager.getAnnotatedClasses(new Class[] {annotation.getClass()}).size());
+    }
+}