/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.lang3;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Modifier;
  
  import org.junit.jupiter.api.Test;
  
  /**
   */
  public class ClassPathUtilsTest extends AbstractLangTest {
  
      @Test
      public void testConstructor() {
          assertNotNull(new ClassPathUtils());
          final Constructor<?>[] cons = ClassPathUtils.class.getDeclaredConstructors();
          assertEquals(1, cons.length);
          assertTrue(Modifier.isPublic(cons[0].getModifiers()));
          assertTrue(Modifier.isPublic(ClassPathUtils.class.getModifiers()));
          assertFalse(Modifier.isFinal(ClassPathUtils.class.getModifiers()));
      }
  
      @Test
      public void testPackageToPath() {
          assertEquals("a", ClassPathUtils.packageToPath("a"));
          assertEquals("a/b", ClassPathUtils.packageToPath("a.b"));
          assertEquals("a/b/c", ClassPathUtils.packageToPath("a.b.c"));
      }
  
      @Test
      public void testPathToPackage() {
          assertEquals("a", ClassPathUtils.pathToPackage("a"));
          assertEquals("a.b", ClassPathUtils.pathToPackage("a/b"));
          assertEquals("a.b.c", ClassPathUtils.pathToPackage("a/b/c"));
      }
  
      @Test
      public void testToFullyQualifiedNameClassNull() {
          assertThrows(NullPointerException.class, () -> ClassPathUtils.toFullyQualifiedName(ClassPathUtils.class, null));
      }
  
      @Test
      public void testToFullyQualifiedNameClassString() {
          final String expected = "org.apache.commons.lang3.Test.properties";
          final String actual = ClassPathUtils.toFullyQualifiedName(ClassPathUtils.class, "Test.properties");
  
          assertEquals(expected, actual);
      }
  
      @Test
      public void testToFullyQualifiedNameNullClassString() {
          assertThrows(NullPointerException.class,
                  () -> ClassPathUtils.toFullyQualifiedName((Class<?>) null, "Test.properties"));
      }
  
      @Test
      public void testToFullyQualifiedNameNullPackageString() {
          assertThrows(NullPointerException.class,
                  () -> ClassPathUtils.toFullyQualifiedName((Package) null, "Test.properties"));
      }
  
      @Test
      public void testToFullyQualifiedNamePackageNull() {
          assertThrows(NullPointerException.class,
                  () -> ClassPathUtils.toFullyQualifiedName(ClassPathUtils.class.getPackage(), null));
      }
  
      @Test
      public void testToFullyQualifiedNamePackageString() {
          final String expected = "org.apache.commons.lang3.Test.properties";
          final String actual = ClassPathUtils.toFullyQualifiedName(ClassPathUtils.class.getPackage(), "Test.properties");
  
          assertEquals(expected, actual);
      }
  
      @Test
      public void testToFullyQualifiedPathClass() {
          final String expected = "org/apache/commons/lang3/Test.properties";
         final String actual = ClassPathUtils.toFullyQualifiedPath(ClassPathUtils.class, "Test.properties");
 
         assertEquals(expected, actual);
     }
 
     @Test
     public void testToFullyQualifiedPathClassNull() {
         assertThrows(NullPointerException.class, () -> ClassPathUtils.toFullyQualifiedPath(ClassPathUtils.class, null));
     }
 
     @Test
     public void testToFullyQualifiedPathClassNullString() {
         assertThrows(NullPointerException.class,
                 () -> ClassPathUtils.toFullyQualifiedPath((Class<?>) null, "Test.properties"));
     }
 
     @Test
     public void testToFullyQualifiedPathPackage() {
         final String expected = "org/apache/commons/lang3/Test.properties";
         final String actual = ClassPathUtils.toFullyQualifiedPath(ClassPathUtils.class.getPackage(), "Test.properties");
 
         assertEquals(expected, actual);
     }
 
     @Test
     public void testToFullyQualifiedPathPackageNull() {
         assertThrows(NullPointerException.class,
                 () -> ClassPathUtils.toFullyQualifiedPath(ClassPathUtils.class.getPackage(), null));
     }
 
     @Test
     public void testToFullyQualifiedPathPackageNullString() {
         assertThrows(NullPointerException.class,
                 () -> ClassPathUtils.toFullyQualifiedPath((Package) null, "Test.properties"));
     }
 }