/*
    * 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
    *
    *      https://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.xml.secure;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import javax.xml.stream.XMLResolver;
  import javax.xml.stream.XMLStreamException;
  
  import org.junit.jupiter.api.Test;
  
  class FallbackIgnoreXMLResolverTest {
  
      @Test
      void coversDelegateFallbackAndDenyBranches() throws Exception {
          final FallbackIgnoreXMLResolver resolver = new FallbackIgnoreXMLResolver(null);
          assertNotNull(resolver.resolveEntity("p", "s", "b", "n"));
          final Object expected = new Object();
          final XMLResolver delegate = (publicId, systemId, base, namespace) -> expected;
          resolver.setDelegate(delegate);
          assertSame(delegate, resolver.getDelegate());
          assertSame(expected, resolver.resolveEntity("p", "s", "b", "n"));
          resolver.setDelegate(null);
          System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
          try {
              assertThrows(XMLStreamException.class, () -> resolver.resolveEntity("p", "s", "b", "n"));
          } finally {
              System.clearProperty(SecureException.THROW_ON_UNRESOLVED);
          }
      }
  }