/*
    * 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.vfs2;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import java.nio.file.Paths;
  
  import org.apache.commons.vfs2.impl.StandardFileSystemManager;
  import org.junit.jupiter.api.Test;
  
  public class VFSTest {
  
      /**
       * Tests {@link FileSystemManager#close()}.
       *
       * @throws FileSystemException
       */
      @Test
      public void testClose() throws FileSystemException {
          try (FileSystemManager fileSystemManager = new StandardFileSystemManager()) {
              VFS.setManager(fileSystemManager);
              VFS.setManager(null);
          }
          assertNotNull(VFS.getManager());
          assertFalse(VFS.getManager().resolveFile(Paths.get("DoesNotExist.not").toUri()).exists());
      }
  
      @Test
      public void testSetManager() throws FileSystemException {
          final StandardFileSystemManager fileSystemManager = new StandardFileSystemManager();
          VFS.setManager(fileSystemManager);
          assertEquals(fileSystemManager, VFS.getManager());
          // Reset global for other tests
          VFS.setManager(null);
          assertNotNull(VFS.getManager());
          assertNotEquals(fileSystemManager, VFS.getManager());
      }
  
      @Test
      public void testStaticClose() throws FileSystemException {
          final FileSystemManager manager = VFS.getManager();
          VFS.close();
          assertNotEquals(manager, VFS.getManager());
      }
      @Test
      public void testStaticCloseRepeatable() {
          VFS.close();
          VFS.close();
      }
  
  }