/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.util;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Unit tests for {@link StringCollectionUtil}.
   *
   * @author Carl Harris
   */
  public class StringCollectionUtilTest {
  
      @Test
      public void testRetainMatchingWithNoPatterns() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.retainMatching(values);
          assertTrue(values.contains("A"));
      }
  
      @Test
      public void testRetainMatchingWithMatchingPattern() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.retainMatching(values, "A");
          assertTrue(values.contains("A"));
      }
  
      @Test
      public void testRetainMatchingWithNoMatchingPattern() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.retainMatching(values, "B");
          assertTrue(values.isEmpty());
      }
  
      @Test
      public void testRemoveMatchingWithNoPatterns() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.removeMatching(values);
          assertTrue(values.contains("A"));
      }
  
      @Test
      public void testRemoveMatchingWithMatchingPattern() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.removeMatching(values, "A");
          assertTrue(values.isEmpty());
      }
  
      @Test
      public void testRemoveMatchingWithNoMatchingPattern() throws Exception {
          Collection<String> values = stringToList("A");
          StringCollectionUtil.removeMatching(values, "B");
          assertTrue(values.contains("A"));
      }
  
      private List<String> stringToList(String... values) {
          List<String> result = new ArrayList<String>(values.length);
          result.addAll(Arrays.asList(values));
          return result;
      }
  
  }