content: /*
   * 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.aries.blueprint.container;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import java.net.URI;
  import java.util.List;
  import java.util.Map;
  
  import org.junit.Test;
  
  public class GenericTypeTest {
  
      private GenericType parse(String expression) throws Exception {
          GenericType type = GenericType.parse(expression, getClass().getClassLoader());
          assertEquals(expression, type.toString());
          return type;
      }
  
      @Test
      public void testArrays() {
          assertTrue(AggregateConverter.isAssignable(new Object[0], new GenericType(Object[].class)));
          assertFalse(AggregateConverter.isAssignable(new Object[0], new GenericType(String[].class)));
          assertTrue(AggregateConverter.isAssignable(new String[0], new GenericType(String[].class)));
          assertFalse(AggregateConverter.isAssignable(new String[0], new GenericType(URI[].class)));
          assertTrue(AggregateConverter.isAssignable(new String[0], new GenericType(Object[].class)));
      }
  
      @Test
      public void testParseTypes() throws Exception {
          
          GenericType type = parse("java.util.List<java.lang.String[]>");
          assertEquals(List.class, type.getRawClass());
          assertEquals(1, type.size());
          assertEquals(String[].class, type.getActualTypeArgument(0).getRawClass());
          assertEquals(1, type.getActualTypeArgument(0).size());
          assertEquals(String.class, type.getActualTypeArgument(0).getActualTypeArgument(0).getRawClass());
  
          type = parse("java.util.Map<int,java.util.List<java.lang.Integer>[]>");
          assertEquals(Map.class, type.getRawClass());
          assertEquals(2, type.size());
          assertEquals(int.class, type.getActualTypeArgument(0).getRawClass());
          assertEquals(List[].class, type.getActualTypeArgument(1).getRawClass());
          assertEquals(1, type.getActualTypeArgument(1).size());
          assertEquals(Integer.class, type.getActualTypeArgument(1).getActualTypeArgument(0).getActualTypeArgument(0).getRawClass());
  
          type = parse("java.util.List<java.lang.Integer>[]");
          assertEquals(List[].class, type.getRawClass());
          assertEquals(1, type.size());
          assertEquals(Integer.class, type.getActualTypeArgument(0).getActualTypeArgument(0).getRawClass());
  
          type = parse("java.util.List<? extends java.lang.Number>");
          assertEquals(List.class, type.getRawClass());
          assertEquals(1, type.size());
          assertEquals(Number.class, type.getActualTypeArgument(0).getRawClass());
      }
  
      @Test
      public void testBasic() throws Exception {        
          GenericType type = new GenericType(int[].class);
          assertEquals("int[]", type.toString());
          assertEquals(int[].class, type.getRawClass());
          assertEquals(0, type.getActualTypeArgument(0).size());
      }
  }
  