/*
 * 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 2012-2019 the original author or authors.
 */
package org.assertj.core.error;

import static java.lang.String.format;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.withinPercentage;
import static org.assertj.core.error.OptionalDoubleShouldHaveValueCloseToPercentage.shouldHaveValueCloseToPercentage;

import java.util.OptionalDouble;

import org.junit.jupiter.api.Test;

public class OptionalDoubleShouldHaveValueCloseToPercentage_create_Test {

  @Test
  public void should_create_error_message_when_optionaldouble_is_empty() {
    String errorMessage = shouldHaveValueCloseToPercentage(10.0).create();
    assertThat(errorMessage).isEqualTo(format("%nExpecting an OptionalDouble with value:%n" +
      "  <10.0>%n" +
      "but was empty."));
  }

  @Test
  public void should_create_error_message_when_optionaldouble_value_is_not_close_enough_to_expected_value() {
    String errorMessage = shouldHaveValueCloseToPercentage(OptionalDouble.of(20), 10, withinPercentage(2), 3).create();
    assertThat(errorMessage).isEqualTo(format("%nExpecting:%n  <OptionalDouble[20.0]>%n" +
      "to be close to:%n" +
      "  <10.0>%n" +
      "by less than 2%% but difference was 30.0%%.%n" +
      "(a difference of exactly 2%% being considered valid)"));
  }
}

