/*
 * 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 2012-2018 the original author or authors.
 */
package org.assertj.core.internal.objectarrays;

import static org.assertj.core.error.ShouldOnlyHaveElementsOfTypes.shouldOnlyHaveElementsOfTypes;
import static org.assertj.core.test.TestData.someInfo;
import static org.assertj.core.util.Arrays.array;
import static org.assertj.core.util.FailureMessages.actualIsNull;
import static org.assertj.core.util.Lists.newArrayList;

import org.assertj.core.internal.ObjectArraysBaseTest;
import org.junit.Test;

public class ObjectArrays_assertHasOnlyElementsOfTypes_Test extends ObjectArraysBaseTest {

  private static final Object[] ARRAY = { 6, 7.0, 8L };

  @Test
  public void should_pass_if_actual_has_only_elements_of_the_expected_types() {
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, Number.class);
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, Number.class, Long.class, Integer.class);
  }

  @Test
  public void should_pass_if_actual_has_only_elements_of_the_expected_types_even_if_some_types_dont_match_any_elements() {
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, Number.class, Long.class, Integer.class, String.class);
  }

  @Test
  public void should_fail_if_actual_is_null() {
    thrown.expectAssertionError(actualIsNull());
    arrays.assertHasOnlyElementsOfTypes(someInfo(), null, Integer.class);
  }

  @Test
  public void should_throw_exception_if_no_expected_types_are_given() {
    thrown.expectNullPointerException();
    Class<?>[] types = null;
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, types);
  }

  @Test
  public void should_pass_if_actual_and_given_types_are_empty() {
    Class<?>[] types = new Class<?>[0];
    arrays.assertHasOnlyElementsOfTypes(someInfo(), array(), types);
  }

  @Test
  public void should_fail_if_expected_types_are_empty_but_actual_is_not() {
    thrown.expectAssertionError();
    Class<?>[] types = new Class<?>[0];
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, types);
  }

  @Test
  public void should_fail_if_one_element_in_actual_does_not_belong_to_the_expected_types() {
    String error = shouldOnlyHaveElementsOfTypes(ARRAY, array(Long.class, String.class), newArrayList(6, 7.0)).create();
    thrown.expectAssertionError(error);
    arrays.assertHasOnlyElementsOfTypes(someInfo(), ARRAY, Long.class, String.class);
  }

}