content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.collections;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import com.google.common.collect.ImmutableList;
  import org.junit.Test;
  
  import java.util.List;
  
  /**
   * Unit tests for {@link PrefixList}.
   */
  public final class PrefixListTest {
  
    /**
     * Tests that the {@link PrefixList#PrefixList(List)} constructor with an empty string constructs
     * items correctly.
     */
    @Test
    public void emptyPrefix() {
      PrefixList prefixList = new PrefixList(ImmutableList.of(""));
      assertTrue(prefixList.inList("a"));
  
      assertTrue(prefixList.outList(""));
    }
  
    /**
     * Tests that the {@link PrefixList#PrefixList(List)} constructor constructs items correctly.
     */
    @Test
    public void prefixList() {
      PrefixList prefixList = new PrefixList(ImmutableList.of("test", "apple", "sun"));
      assertTrue(prefixList.inList("test"));
      assertTrue(prefixList.inList("apple"));
      assertTrue(prefixList.inList("sun"));
  
      assertTrue(prefixList.inList("test123"));
      assertTrue(prefixList.inList("testing-1012"));
      assertTrue(prefixList.inList("apple12nmzx91l"));
      assertTrue(prefixList.inList("sunn1i2080-40mx"));
  
      assertFalse(prefixList.outList("test123"));
      assertFalse(prefixList.outList("testing-1012"));
      assertFalse(prefixList.outList("apple12nmzx91l"));
      assertFalse(prefixList.outList("sunn1i2080-40mx"));
  
      assertTrue(prefixList.outList("tes"));
      assertTrue(prefixList.outList("a"));
      assertTrue(prefixList.outList("s"));
      assertTrue(prefixList.outList("su"));
      assertTrue(prefixList.outList("ap"));
      assertTrue(prefixList.outList(""));
      assertTrue(prefixList.outList(null));
    }
  
    /**
     * Tests that the {@link PrefixList#PrefixList(List)} constructor constructs items correctly.
     */
    @Test
    public void prefixListTest2() {
      PrefixList prefixList = new PrefixList("test;apple;sun", ";");
      assertTrue(prefixList.inList("test"));
      assertTrue(prefixList.inList("apple"));
      assertTrue(prefixList.inList("sun"));
  
      assertTrue(prefixList.inList("test123"));
      assertTrue(prefixList.inList("testing-1012"));
      assertTrue(prefixList.inList("apple12nmzx91l"));
      assertTrue(prefixList.inList("sunn1i2080-40mx"));
  
      assertFalse(prefixList.outList("test123"));
      assertFalse(prefixList.outList("testing-1012"));
      assertFalse(prefixList.outList("apple12nmzx91l"));
      assertFalse(prefixList.outList("sunn1i2080-40mx"));
  
      assertTrue(prefixList.outList("tes"));
      assertTrue(prefixList.outList("a"));
      assertTrue(prefixList.outList("s"));
      assertTrue(prefixList.outList("su"));
      assertTrue(prefixList.outList("ap"));
      assertTrue(prefixList.outList(""));
      assertTrue(prefixList.outList(null));
    }
  
    /**
     * Tests the {@link PrefixList#toString()} method.
     */
    @Test
    public void toStringTest() {
      PrefixList prefixList = new PrefixList(null, ";");
      assertEquals(prefixList.toString(), "");
  
      prefixList = new PrefixList("", ";");
      assertEquals(prefixList.toString(), "");
  
      prefixList = new PrefixList(";", ";");
      assertEquals(prefixList.toString(), "");
  
      prefixList = new PrefixList(" a ; ; b ", ";");
      assertEquals(prefixList.toString(), "a;b;");
  
      prefixList = new PrefixList("a/b;c", ";");
      assertEquals(prefixList.toString(), "a/b;c;");
  
      prefixList = new PrefixList("a/b;c;", ";");
      assertEquals(prefixList.toString(), "a/b;c;");
    }
  }
  