/*
 * 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 2012-2020 the original author or authors.
 */
package org.assertj.core.internal.doubles;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.catchThrowable;
import static org.assertj.core.error.ShouldBeGreater.shouldBeGreater;
import static org.assertj.core.test.TestData.someInfo;
import static org.assertj.core.util.FailureMessages.actualIsNull;
import static org.mockito.Mockito.verify;

import org.assertj.core.api.AssertionInfo;
import org.assertj.core.internal.Doubles;
import org.assertj.core.internal.DoublesBaseTest;
import org.junit.jupiter.api.Test;


/**
 * Tests for <code>{@link Doubles#assertGreaterThan(AssertionInfo, Double, double)}</code>.
 * 
 * @author Alex Ruiz
 * @author Joel Costigliola
 */
class Doubles_assertGreaterThan_Test extends DoublesBaseTest {

  @Test
  void should_fail_if_actual_is_null() {
    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> doubles.assertGreaterThan(someInfo(), null, 8d))
                                                   .withMessage(actualIsNull());
  }

  @Test
  void should_pass_if_actual_is_greater_than_other() {
    doubles.assertGreaterThan(someInfo(), 8d, 6d);
  }

  @Test
  void should_fail_if_actual_is_equal_to_other() {
    AssertionInfo info = someInfo();

    Throwable error = catchThrowable(() -> doubles.assertGreaterThan(info, 6d, 6d));

    assertThat(error).isInstanceOf(AssertionError.class);
    verify(failures).failure(info, shouldBeGreater(6d, 6d));
  }

  @Test
  void should_fail_if_actual_is_less_than_other() {
    AssertionInfo info = someInfo();

    Throwable error = catchThrowable(() -> doubles.assertGreaterThan(info, 6d, 8d));

    assertThat(error).isInstanceOf(AssertionError.class);
    verify(failures).failure(info, shouldBeGreater(6d, 8d));
  }

  // ------------------------------------------------------------------------------------------------------------------
  // tests using a custom comparison strategy
  // ------------------------------------------------------------------------------------------------------------------

  @Test
  void should_pass_if_actual_is_greater_than_other_according_to_custom_comparison_strategy() {
    doublesWithAbsValueComparisonStrategy.assertGreaterThan(someInfo(), -8d, 6d);
  }

  @Test
  void should_fail_if_actual_is_equal_to_other_according_to_custom_comparison_strategy() {
    AssertionInfo info = someInfo();

    Throwable error = catchThrowable(() -> doublesWithAbsValueComparisonStrategy.assertGreaterThan(info, -6d, 6d));

    assertThat(error).isInstanceOf(AssertionError.class);
    verify(failures).failure(info, shouldBeGreater(-6d, 6d, absValueComparisonStrategy));
  }

  @Test
  void should_fail_if_actual_is_less_than_other_according_to_custom_comparison_strategy() {
    AssertionInfo info = someInfo();

    Throwable error = catchThrowable(() -> doublesWithAbsValueComparisonStrategy.assertGreaterThan(info, -6d, 8d));

    assertThat(error).isInstanceOf(AssertionError.class);
    verify(failures).failure(info, shouldBeGreater(-6d, 8d, absValueComparisonStrategy));
  }

}
