/*
    * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
    *
    * 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.
   */
  package test.de.smartics.properties.spi.core.util;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.notNullValue;
  import static org.hamcrest.Matchers.nullValue;
  
  import java.lang.reflect.Method;
  
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  import de.smartics.properties.spi.core.util.SerializableMethod;
  import de.smartics.testdoc.annotations.Uut;
  import de.smartics.testdoc.categories.Technical;
  
  /**
   * Tests {@link SerializableMethod}.
   */
  @Uut(type = SerializableMethod.class)
  public class SerializableMethodTest
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    private static final Class<?>[] NO_PARAMETER = new Class<?>[0];
  
    private static final Method METHOD;
  
    static
    {
      try
      {
        METHOD = String.class.getMethod("toString", NO_PARAMETER);
      }
      catch (final Exception e)
      {
        throw new IllegalStateException("Cannot find method for test.", e);
      }
    }
  
    // --- members --------------------------------------------------------------
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- prepare --------------------------------------------------------------
  
    // --- helper ---------------------------------------------------------------
  
    // --- tests ----------------------------------------------------------------
  
    @Test
    public void allowsNullMethod()
    {
      final SerializableMethod uut = new SerializableMethod(null);
      assertThat(uut.getMethod(), is(nullValue()));
    }
  
    @Test
    public void allowsToAccessWrappedMethod()
    {
      final SerializableMethod uut = new SerializableMethod(METHOD);
      final Method method = uut.getMethod();
      assertThat(method, is(METHOD));
    }
  
    @Test
    public void providesAStringRepresentation()
    {
      final SerializableMethod uut = new SerializableMethod(METHOD);
      assertThat(uut.toString(), is(notNullValue()));
    }
  
    @Test
    @Category(Technical.class)
    public void providesAStringRepresentationForNullMethod()
    {
      final SerializableMethod uut = new SerializableMethod(null);
      assertThat(uut.toString(), is(nullValue()));
    }
  }