/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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
    *
    *      https://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.
   */
  
  package org.apache.commons.lang3;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.stream.Stream;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.MethodSource;
  
  /**
   * Tests {@link Strings}.
   */
  class StringsTest {
  
      public static Stream<Strings> stringsFactory() {
          return Stream.of(Strings.CS, Strings.CI);
      }
  
      @Test
      void testBuilder() {
          assertTrue(Strings.builder().setIgnoreCase(false).get().isCaseSensitive());
          assertFalse(Strings.builder().setIgnoreCase(true).get().isCaseSensitive());
          //
          assertTrue(Strings.builder().setNullIsLess(false).get().isCaseSensitive());
          assertTrue(Strings.builder().setNullIsLess(true).get().isCaseSensitive());
      }
  
      @Test
      void testBuilderDefaults() {
          final Strings strings = Strings.builder().get();
          assertTrue(strings.isCaseSensitive());
      }
  
      @Test
      void testCaseInsensitiveConstant() {
          assertNotNull(Strings.CI);
          assertFalse(Strings.CI.isCaseSensitive());
      }
  
      /**
       * Expanding the existing test group {@link StringUtilsStartsEndsWithTest#testStartsWithAny()} to include case-insensitive cases
       */
      @Test
      void testCaseInsensitiveStartsWithAny() {
          // LANG-1682
          assertFalse(Strings.CI.startsWithAny(null, (String[]) null));
          assertFalse(Strings.CI.startsWithAny(null, "aBc"));
          assertFalse(Strings.CI.startsWithAny("AbCxYz", (String[]) null));
          assertFalse(Strings.CI.startsWithAny("AbCxYz"));
          assertTrue(Strings.CI.startsWithAny("AbCxYz", "aBc"));
          assertTrue(Strings.CI.startsWithAny("AbCxYz", null, "XyZ", "aBc"));
          assertFalse(Strings.CI.startsWithAny("AbCxYz", null, "XyZ", "aBcD"));
          assertTrue(Strings.CI.startsWithAny("AbCxYz", ""));
          assertTrue(Strings.CI.startsWithAny("abcxyz", null, "XyZ", "ABCX"));
          assertTrue(Strings.CI.startsWithAny("ABCXYZ", null, "XyZ", "abc"));
  
          assertTrue(Strings.CI.startsWithAny("AbCxYz", new StringBuilder("XyZ"), new StringBuffer("aBc")));
          assertTrue(Strings.CI.startsWithAny(new StringBuffer("AbCxYz"), new StringBuilder("XyZ"), new StringBuffer("abc")));
      }
  
      @Test
      void testCaseSensitiveConstant() {
          assertNotNull(Strings.CS);
          assertTrue(Strings.CS.isCaseSensitive());
      }
  
      @ParameterizedTest
      @MethodSource("stringsFactory")
      void testEqualsCharSequence(final Strings strings) {
          final CharSequence nullCharSequence = null;
          assertTrue(strings.equals(nullCharSequence, nullCharSequence));
          assertFalse(strings.equals(nullCharSequence, ""));
          assertFalse(strings.equals("", nullCharSequence));
      }
  
      @ParameterizedTest
      @MethodSource("stringsFactory")
      void testEqualsStrings(final Strings strings) {
          final String nullStr = null;
         assertTrue(strings.equals(nullStr, nullStr));
         assertFalse(strings.equals(nullStr, ""));
         assertFalse(strings.equals("", nullStr));
     }
 }