/*
 * 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.api.double_;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.verify;

import org.assertj.core.api.DoubleAssert;
import org.assertj.core.api.DoubleAssertBaseTest;
import org.junit.Test;


public class DoubleAssert_isZero_Test extends DoubleAssertBaseTest {

  @Override
  protected DoubleAssert invoke_api_method() {
    return assertions.isZero();
  }

  @Override
  protected void verify_internal_effects() {
    verify(doubles).assertIsZero(getInfo(assertions), getActual(assertions));
  }

  @Test
  public void should_pass_with_primitive_negative_zero() {
    // GIVEN
    final double negativeZero = -0.0;
    // THEN
    assertThat(negativeZero).isZero();
  }

  @Test
  public void should_pass_with_primitive_positive_zero() {
    // GIVEN
    final double positiveZero = 0.0;
    // THEN
    assertThat(positiveZero).isZero();
  }

  @Test
  public void should_pass_with_Double_positive_zero() {
    // GIVEN
    final Double positiveZero = 0.0;
    // THEN
    assertThat(positiveZero).isZero();
  }

  @Test
  public void should_fail_with_non_zero() {
    // GIVEN
    final double notZero = 1.0;
    try {
      // WHEN
      assertThat(notZero).isZero();
    } catch (AssertionError e) {
      // THEN
      assertThat(e).hasMessage("expected:<[0].0> but was:<[1].0>");
      return;
    }
    failBecauseExpectedAssertionErrorWasNotThrown();
  }

  @Test
  public void should_fail_with_Double_negative_zero() {
    // GIVEN
    final Double negativeZero = -0.0;
    try {
      // WHEN
      assertThat(negativeZero).isZero();
    } catch (AssertionError e) {
      // THEN
      assertThat(e).hasMessage("expected:<[]0.0> but was:<[-]0.0>");
      return;
    }
    failBecauseExpectedAssertionErrorWasNotThrown();
  }

}
