BigDecimals_assertIsNegative_Test.java

/*
 * Created on Feb 8, 2011
 *
 * 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 @2011-2013 the original author or authors.
 */
package org.fest.assertions.internal;

import static org.fest.test.ExpectedException.none;
import static org.mockito.Mockito.spy;

import java.math.BigDecimal;

import org.fest.assertions.description.Description;
import org.fest.test.ExpectedException;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

/**
 * Tests for <code>{@link BigDecimals#assertIsNegative(Description, BigDecimal)}</code>.
 *
 * @author Yvonne Wang
 * @author Joel Costigliola
 */
public class BigDecimals_assertIsNegative_Test {

  @Rule
  public ExpectedException thrown = none();

  private BigDecimals bigDecimals;
  private Description description;
  private Failures failures;
  private final String format = "expecting:\n<%s> should be less than:<%s>";

  @Before
  public void setUp() {
    bigDecimals = new BigDecimals();
    description = new TestDescription("testing");
    failures = spy(new Failures());
    Comparables comparables = Comparables.instance();
    comparables.failures = failures;
  }

  @Test
  public void should_pass_if_actual_is_negative() {
    bigDecimals.assertIsNegative(description, new BigDecimal("-1.0"));
  }

  @Test
  public void should_fail_if_actual_is_positive() {
    thrown.expect(AssertionError.class, String.format(format, BigDecimal.ONE, BigDecimal.ZERO));
    bigDecimals.assertIsNegative(description, BigDecimal.ONE);
  }

  @Test
  public void should_fail_if_actual_is_zero() {
    thrown.expect(AssertionError.class, String.format(format, BigDecimal.ZERO, BigDecimal.ZERO));
    bigDecimals.assertIsNegative(description, BigDecimal.ZERO);
  }
}