content: /*
   * Created on Dec 15, 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.internal;
  
  import static org.fest.assertions.error.ShouldStartWith.shouldStartWith;
  import static org.fest.assertions.test.BooleanArrays.emptyArray;
  import static org.fest.assertions.test.BooleanArrays.newArray;
  import static org.fest.assertions.test.ErrorMessages.valuesToLookForIsEmpty;
  import static org.fest.assertions.test.ErrorMessages.valuesToLookForIsNull;
  import static org.fest.assertions.test.FailureMessages.actualIsNull;
  import static org.fest.assertions.test.TestFailures.expectedAssertionErrorNotThrown;
  import static org.mockito.Mockito.spy;
  import static org.mockito.Mockito.verify;
  
  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 BooleanArrays#assertStartsWith(Description, boolean[], boolean[])}</code>.
   *
   * @author Alex Ruiz
   * @author Joel Costigliola
   * @author Yvonne Wang
   */
  public class BooleanArrays_assertStartsWith_Test {
  
    @Rule
    public ExpectedException thrown = ExpectedException.none();
  
    private BooleanArrays arrays;
    private Description description;
    private Failures failures;
    private boolean[] actual = { true, false, true };
  
    @Before
    public void setUp() {
      arrays = new BooleanArrays();
      description = new TestDescription("testing");
      failures = spy(new Failures());
      Arrays parent = Arrays.instance();
      parent.failures = failures;
    }
  
    @Test
    public void should_throw_error_if_sequence_is_null() {
      thrown.expect(NullPointerException.class, valuesToLookForIsNull());
      arrays.assertStartsWith(description, actual, null);
    }
  
    @Test
    public void should_throw_error_if_sequence_is_empty() {
      thrown.expect(IllegalArgumentException.class, valuesToLookForIsEmpty());
      arrays.assertStartsWith(description, actual, emptyArray());
    }
  
    @Test
    public void should_fail_if_actual_is_null() {
      thrown.expect(AssertionError.class, actualIsNull());
      arrays.assertStartsWith(description, null, newArray(true));
    }
  
    @Test
    public void should_fail_if_sequence_is_bigger_than_actual() {
      boolean[] sequence = { true, false, false, true, true, false };
      try {
        arrays.assertStartsWith(description, actual, sequence);
      } catch (AssertionError e) {
        verifyFailureThrownWhenSequenceNotFound(description, sequence);
        return;
      }
      expectedAssertionErrorNotThrown();
    }
  
    @Test
    public void should_fail_if_actual_does_not_start_with_sequence() {
      boolean[] sequence = { false, true };
      try {
        arrays.assertStartsWith(description, actual, sequence);
      } catch (AssertionError e) {
        verifyFailureThrownWhenSequenceNotFound(description, sequence);
        return;
      }
      expectedAssertionErrorNotThrown();
    }
  
    @Test
    public void should_fail_if_actual_starts_with_first_elements_of_sequence_only() {
      boolean[] sequence = { true, true };
      try {
        arrays.assertStartsWith(description, actual, sequence);
      } catch (AssertionError e) {
        verifyFailureThrownWhenSequenceNotFound(description, sequence);
        return;
      }
      expectedAssertionErrorNotThrown();
    }
  
    private void verifyFailureThrownWhenSequenceNotFound(Description description, boolean[] sequence) {
      verify(failures).failure(description, shouldStartWith(actual, sequence));
    }
  
    @Test
    public void should_pass_if_actual_starts_with_sequence() {
      arrays.assertStartsWith(description, actual, newArray(true, false));
    }
  
    @Test
    public void should_pass_if_actual_and_sequence_are_equal() {
      actual = newArray(true, false, false, true);
      arrays.assertStartsWith(description, actual, newArray(true, false, false, true));
    }
  }
  