code: /*
  * Copyright 2014 Basis Technology Corp.
  *
  * 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.
  */
  
  package com.basistech.tclre;
  
  import org.junit.Test;
  
  import static com.basistech.tclre.Utils.Matches.matches;
  import static org.hamcrest.CoreMatchers.not;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  /**
   * More examples of ranges to exercise the color map
   * TODO: figure out what case causes okcolors to promote (and thus exercise the 'free' code).
   */
  public class RangeTest extends Utils {
  
      @Test
      public void testKitchenSink() throws Exception {
          RePattern exp = HsrePattern.compile("[^a][\u4e00-\uf000][[:upper:]][^\ufeff][\u4e00-\u4e10]b.c.d",
                  PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("Q\u4e01A$\u4e09bGcHd", matches(exp));
      }
  
      @Test
      public void testNegativeRange() throws Exception {
          RePattern exp = HsrePattern.compile("[^a]", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("Q", matches(exp));
          assertThat("a", not(matches(exp)));
      }
  
      @Test
      public void testUnicodeRange() throws Exception {
          RePattern exp = HsrePattern.compile("[\u4e00-\uf000]", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("\u4e01", matches(exp));
      }
  
      @Test
      public void testNotBom() throws Exception {
          RePattern exp = HsrePattern.compile("[^\ufeff]", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("$", matches(exp));
      }
  
      @Test
      public void testUpper() throws Exception {
          RePattern exp = HsrePattern.compile("[[:upper:]]", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("A", matches(exp));
      }
  
      @Test
      public void rangeSplit() throws Exception {
          RePattern exp = HsrePattern.compile("[a-z]ab", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("zab", matches(exp));
          // make two ranges, then split both.
          exp = HsrePattern.compile("[a-f][g-z][e-h]", PatternFlags.ADVANCED, PatternFlags.EXPANDED);
          assertThat("bif", matches(exp));
          assertThat("bie", matches(exp));
          assertThat("fie", matches(exp));
          assertThat("azh", matches(exp));
      }
  }
  