content: /*
   * Created on Oct 23, 2010
   *
   * 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 @2010-2013 the original author or authors.
   */
  package org.fest.assertions.data;
  
  import static junit.framework.Assert.assertSame;
  
  import static org.fest.assertions.test.ErrorMessages.offsetValueIsNotPositive;
  import static org.fest.test.ExpectedException.none;
  
  import org.fest.test.ExpectedException;
  import org.junit.Rule;
  import org.junit.Test;
  
  /**
   * Tests for {@link Offset#offset(Double)}.
   *
   * @author Alex Ruiz
   * @author Yvonne Wang
   */
  public class Offset_offset_with_Double_Test {
    @Rule
    public ExpectedException thrown = none();
  
    @Test
    public void should_throw_error_if_value_is_null() {
      thrown.expect(NullPointerException.class);
      Double value = null;
      Offset.offset(value);
    }
  
    @Test
    public void should_throw_error_if_value_is_negative() {
      thrown.expect(IllegalArgumentException.class, offsetValueIsNotPositive());
      Offset.offset(-1d);
    }
  
    @Test
    public void should_create_Offset() {
      Double value = 0.8d;
      Offset<Double> offset = Offset.offset(value);
      assertSame(value, offset.value);
    }
  }
  