content: /*
   * Created on Jan 23, 2009
   * 
   * Licensed 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.
   * 
   * Copyright @2009-2013 the original author or authors.
   */
  package org.fest.reflect.type;
  
  import org.fest.reflect.exception.ReflectionError;
  import org.fest.test.ExpectedException;
  import org.fest.util.Preconditions;
  import org.junit.Rule;
  import org.junit.Test;
  
  import java.util.List;
  
  import static org.fest.test.ExpectedException.none;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for {@link Type}.
   *
   * @author Alex Ruiz
   */
  public class Type_Test {
    @Rule
    public ExpectedException thrown = none();
  
    @Test
    public void should_load_class() {
      Class<?> type = new Type(Preconditions.class.getName()).load();
      assertEquals(Preconditions.class, type);
    }
  
    @Test
    public void should_load_class_with_given_ClassLoader() {
      ClassLoader classLoader = getClass().getClassLoader();
      Class<?> type = new Type(Preconditions.class.getName()).withClassLoader(classLoader).load();
      assertEquals(Preconditions.class, type);
    }
  
    @Test
    public void should_throw_error_if_Classloader_is_null() {
      thrown.expect(NullPointerException.class);
      new Type("java.lang.String").withClassLoader(null);
    }
  
    @Test
    public void should_wrap_any_Exception_thrown_when_loading_class() {
      try {
        new Type("org.fest.reflect.NonExistingType").load();
      } catch (ReflectionError expected) {
        assertTrue(expected.getMessage().contains(
            "Unable to load class 'org.fest.reflect.NonExistingType' using ClassLoader "));
        assertTrue(expected.getCause() instanceof ClassNotFoundException);
      }
    }
  
    @Test
    public void should_load_class_as_given_type() {
      Class<? extends Number> type = new Type(Integer.class.getName()).loadAs(Number.class);
      assertEquals(Integer.class, type);
    }
  
    @Test
    public void should_load_class_as_given_type_with_given_ClassLoader() {
      ClassLoader classLoader = getClass().getClassLoader();
      Class<? extends Number> type = new Type(Integer.class.getName()).withClassLoader(classLoader).loadAs(Number.class);
      assertEquals(Integer.class, type);
    }
  
    @Test
    public void should_wrap_any_Exception_thrown_when_loading_class_as_given_type() {
      try {
        new Type("org.fest.reflect.NonExistingType").loadAs(List.class);
      } catch (ReflectionError expected) {
        assertTrue(expected.getMessage().contains(
            "Unable to load class 'org.fest.reflect.NonExistingType' as java.util.List using ClassLoader "));
        assertTrue(expected.getCause() instanceof ClassNotFoundException);
      }
    }
  }
  