Reformat to comply with new Checkstyle rules.

Matthew Swift

25.33.2012 263d085885df024dca9250cc03c807912b0a7662

 opendj3/opendj-ldap-sdk/src/test/java/org/forgerock/opendj/ldap/LinkedAttributeTestCase.java

@@ -6,17 +6,16 @@
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opendj3/legal-notices/CDDLv1_0.txt
 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
 * or http://forgerock.org/license/CDDLv1.0.html.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opendj3/legal-notices/CDDLv1_0.txt.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 * file and include the License file at legal-notices/CDDLv1_0.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
@@ -27,8 +26,6 @@

package org.forgerock.opendj.ldap;



import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
@@ -38,450 +35,396 @@
import org.testng.Assert;
import org.testng.annotations.Test;



/**
 * Test {@code BasicAttribute}.
 */

@SuppressWarnings("javadoc")
public final class LinkedAttributeTestCase extends SdkTestCase
{
  @Test
  public void smokeTest() throws Exception
  {
    // TODO: write a proper test suite.
    final AbstractAttribute attribute = new LinkedAttribute(
        AttributeDescription.valueOf("ALTSERVER", Schema.getCoreSchema()));
public final class LinkedAttributeTestCase extends SdkTestCase {
    @Test
    public void smokeTest() throws Exception {
        // TODO: write a proper test suite.
        final AbstractAttribute attribute =
                new LinkedAttribute(AttributeDescription.valueOf("ALTSERVER", Schema
                        .getCoreSchema()));

    attribute.add(1);
    attribute.add("a value");
    attribute.add(ByteString.valueOf("another value"));
        attribute.add(1);
        attribute.add("a value");
        attribute.add(ByteString.valueOf("another value"));

    Assert.assertTrue(attribute.contains(1));
    Assert.assertTrue(attribute.contains("a value"));
    Assert.assertTrue(attribute.contains(ByteString.valueOf("another value")));
        Assert.assertTrue(attribute.contains(1));
        Assert.assertTrue(attribute.contains("a value"));
        Assert.assertTrue(attribute.contains(ByteString.valueOf("another value")));

    Assert.assertEquals(attribute.size(), 3);
    Assert.assertTrue(attribute.remove(1));
    Assert.assertEquals(attribute.size(), 2);
    Assert.assertFalse(attribute.remove("a missing value"));
    Assert.assertEquals(attribute.size(), 2);
    Assert.assertTrue(attribute.remove("a value"));
    Assert.assertEquals(attribute.size(), 1);
    Assert.assertTrue(attribute.remove(ByteString.valueOf("another value")));
    Assert.assertEquals(attribute.size(), 0);
  }



  @Test
  public void testAdd()
  {
    Attribute a = new LinkedAttribute("test");
    Assert.assertTrue(a.add(ByteString.valueOf("value1")));
    Assert.assertFalse(a.add(ByteString.valueOf("value1")));
    Assert.assertTrue(a.add(ByteString.valueOf("value2")));
    Assert.assertFalse(a.add(ByteString.valueOf("value2")));
    Assert.assertTrue(a.add(ByteString.valueOf("value3")));
    Assert.assertFalse(a.add(ByteString.valueOf("value3")));
    Assert.assertEquals(a.size(), 3);
    Iterator<ByteString> i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertFalse(i.hasNext());
  }



  @Test
  public void testAddAll()
  {
    // addAll to an empty attribute.
    Attribute a = new LinkedAttribute("test");
    Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
    Iterator<ByteString> i = a.iterator();
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test");
    Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value1")),
        null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test");
    Assert.assertTrue(a.addAll(
        Arrays.asList(ByteString.valueOf("value1"),
            ByteString.valueOf("value2")), null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());

    // addAll to a single-valued attribute.
    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value2")),
        null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertTrue(a.addAll(
        Arrays.asList(ByteString.valueOf("value2"),
            ByteString.valueOf("value3")), null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertFalse(i.hasNext());

    // addAll to a multi-valued attribute.
    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value3")),
        null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    Assert.assertTrue(a.addAll(
        Arrays.asList(ByteString.valueOf("value3"),
            ByteString.valueOf("value4")), null));
    i = a.iterator();
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
    Assert.assertFalse(i.hasNext());
  }



  @Test
  public void testClear()
  {
    Attribute a = new LinkedAttribute("test");
    Assert.assertTrue(a.isEmpty());
    Assert.assertEquals(a.size(), 0);
    a.clear();
    Assert.assertTrue(a.isEmpty());
    Assert.assertEquals(a.size(), 0);

    a.add(ByteString.valueOf("value1"));
    Assert.assertFalse(a.isEmpty());
    Assert.assertEquals(a.size(), 1);
    a.clear();
    Assert.assertTrue(a.isEmpty());
    Assert.assertEquals(a.size(), 0);

    a.add(ByteString.valueOf("value1"));
    a.add(ByteString.valueOf("value2"));
    Assert.assertFalse(a.isEmpty());
    Assert.assertEquals(a.size(), 2);
    a.clear();
    Assert.assertTrue(a.isEmpty());
    Assert.assertEquals(a.size(), 0);

    a.add(ByteString.valueOf("value1"));
    a.add(ByteString.valueOf("value2"));
    a.add(ByteString.valueOf("value3"));
    Assert.assertFalse(a.isEmpty());
    Assert.assertEquals(a.size(), 3);
    a.clear();
    Assert.assertTrue(a.isEmpty());
    Assert.assertEquals(a.size(), 0);
  }



  @Test
  public void testContains()
  {
    Attribute a = new LinkedAttribute("test");
    Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

    a.add(ByteString.valueOf("value1"));
    Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
    Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

    a.add(ByteString.valueOf("value2"));
    Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
    Assert.assertTrue(a.contains(ByteString.valueOf("value2")));
    Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

    a.add(ByteString.valueOf("value3"));
    Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
    Assert.assertTrue(a.contains(ByteString.valueOf("value2")));
    Assert.assertTrue(a.contains(ByteString.valueOf("value3")));
    Assert.assertFalse(a.contains(ByteString.valueOf("value4")));
  }



  @Test
  public void testContainsAll()
  {
    Attribute a = new LinkedAttribute("test");
    Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
    Assert
        .assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
    Assert.assertFalse(a.containsAll(Arrays.asList(
        ByteString.valueOf("value1"), ByteString.valueOf("value2"))));
    Assert.assertFalse(a.containsAll(Arrays.asList(
        ByteString.valueOf("value1"), ByteString.valueOf("value2"),
        ByteString.valueOf("value3"))));

    a.add(ByteString.valueOf("value1"));
    Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
    Assert
        .assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
    Assert.assertFalse(a.containsAll(Arrays.asList(
        ByteString.valueOf("value1"), ByteString.valueOf("value2"))));
    Assert.assertFalse(a.containsAll(Arrays.asList(
        ByteString.valueOf("value1"), ByteString.valueOf("value2"),
        ByteString.valueOf("value3"))));

    a.add(ByteString.valueOf("value2"));
    Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
    Assert
        .assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
    Assert.assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"),
        ByteString.valueOf("value2"))));
    Assert.assertFalse(a.containsAll(Arrays.asList(
        ByteString.valueOf("value1"), ByteString.valueOf("value2"),
        ByteString.valueOf("value3"))));
  }



  @Test
  public void testFirstValue()
  {
    Attribute a = new LinkedAttribute("test");
    try
    {
      a.firstValue();
      Assert.fail("Expected NoSuchElementException");
    }
    catch (NoSuchElementException e)
    {
      // Expected.
        Assert.assertEquals(attribute.size(), 3);
        Assert.assertTrue(attribute.remove(1));
        Assert.assertEquals(attribute.size(), 2);
        Assert.assertFalse(attribute.remove("a missing value"));
        Assert.assertEquals(attribute.size(), 2);
        Assert.assertTrue(attribute.remove("a value"));
        Assert.assertEquals(attribute.size(), 1);
        Assert.assertTrue(attribute.remove(ByteString.valueOf("another value")));
        Assert.assertEquals(attribute.size(), 0);
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertEquals(a.firstValue(), ByteString.valueOf("value1"));
    @Test
    public void testAdd() {
        Attribute a = new LinkedAttribute("test");
        Assert.assertTrue(a.add(ByteString.valueOf("value1")));
        Assert.assertFalse(a.add(ByteString.valueOf("value1")));
        Assert.assertTrue(a.add(ByteString.valueOf("value2")));
        Assert.assertFalse(a.add(ByteString.valueOf("value2")));
        Assert.assertTrue(a.add(ByteString.valueOf("value3")));
        Assert.assertFalse(a.add(ByteString.valueOf("value3")));
        Assert.assertEquals(a.size(), 3);
        Iterator<ByteString> i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertFalse(i.hasNext());
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    Assert.assertEquals(a.firstValue(), ByteString.valueOf("value1"));
    @Test
    public void testAddAll() {
        // addAll to an empty attribute.
        Attribute a = new LinkedAttribute("test");
        Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
        Iterator<ByteString> i = a.iterator();
        Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value2"),
        ByteString.valueOf("value1"));
    Assert.assertEquals(a.firstValue(), ByteString.valueOf("value2"));
  }
        a = new LinkedAttribute("test");
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value1")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test");
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());

        // addAll to a single-valued attribute.
        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertFalse(i.hasNext());

  @Test
  public void testGetAttributeDescription()
  {
    AttributeDescription ad = AttributeDescription.valueOf("test");
    Attribute a = new LinkedAttribute(ad);
    Assert.assertEquals(a.getAttributeDescription(), ad);
  }
        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value2")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value2"), ByteString
                .valueOf("value3")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertFalse(i.hasNext());

        // addAll to a multi-valued attribute.
        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        Assert.assertFalse(a.addAll(Collections.<ByteString> emptyList(), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());

  @Test
  public void testIterator()
  {
    Attribute a = new LinkedAttribute("test");
    Iterator<ByteString> i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value3")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        Assert.assertTrue(a.addAll(Arrays.asList(ByteString.valueOf("value3"), ByteString
                .valueOf("value4")), null));
        i = a.iterator();
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
        Assert.assertFalse(i.hasNext());
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());
  }
    @Test
    public void testClear() {
        Attribute a = new LinkedAttribute("test");
        Assert.assertTrue(a.isEmpty());
        Assert.assertEquals(a.size(), 0);
        a.clear();
        Assert.assertTrue(a.isEmpty());
        Assert.assertEquals(a.size(), 0);

        a.add(ByteString.valueOf("value1"));
        Assert.assertFalse(a.isEmpty());
        Assert.assertEquals(a.size(), 1);
        a.clear();
        Assert.assertTrue(a.isEmpty());
        Assert.assertEquals(a.size(), 0);

        a.add(ByteString.valueOf("value1"));
        a.add(ByteString.valueOf("value2"));
        Assert.assertFalse(a.isEmpty());
        Assert.assertEquals(a.size(), 2);
        a.clear();
        Assert.assertTrue(a.isEmpty());
        Assert.assertEquals(a.size(), 0);

  @Test
  public void testRemove()
  {
    Attribute a = new LinkedAttribute("test");
    Assert.assertFalse(a.remove(ByteString.valueOf("value1")));
    Iterator<ByteString> i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a.add(ByteString.valueOf("value1"));
        a.add(ByteString.valueOf("value2"));
        a.add(ByteString.valueOf("value3"));
        Assert.assertFalse(a.isEmpty());
        Assert.assertEquals(a.size(), 3);
        a.clear();
        Assert.assertTrue(a.isEmpty());
        Assert.assertEquals(a.size(), 0);
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertFalse(a.remove(ByteString.valueOf("value2")));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertFalse(i.hasNext());
    Assert.assertTrue(a.remove(ByteString.valueOf("value1")));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
    @Test
    public void testContains() {
        Attribute a = new LinkedAttribute("test");
        Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"));
    Assert.assertFalse(a.remove(ByteString.valueOf("value3")));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());
    Assert.assertTrue(a.remove(ByteString.valueOf("value1")));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertFalse(i.hasNext());
    Assert.assertTrue(a.remove(ByteString.valueOf("value2")));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
  }
        a.add(ByteString.valueOf("value1"));
        Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
        Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

        a.add(ByteString.valueOf("value2"));
        Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
        Assert.assertTrue(a.contains(ByteString.valueOf("value2")));
        Assert.assertFalse(a.contains(ByteString.valueOf("value4")));

        a.add(ByteString.valueOf("value3"));
        Assert.assertTrue(a.contains(ByteString.valueOf("value1")));
        Assert.assertTrue(a.contains(ByteString.valueOf("value2")));
        Assert.assertTrue(a.contains(ByteString.valueOf("value3")));
        Assert.assertFalse(a.contains(ByteString.valueOf("value4")));
    }

  @Test
  public void testRemoveAll()
  {
    // removeAll from an empty attribute.
    Attribute a = new LinkedAttribute("test");
    Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
    Iterator<ByteString> i = a.iterator();
    Assert.assertFalse(i.hasNext());
    @Test
    public void testContainsAll() {
        Attribute a = new LinkedAttribute("test");
        Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"))));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3"))));

    a = new LinkedAttribute("test");
    Assert.assertFalse(a.removeAll(Arrays.asList(ByteString.valueOf("value1")),
        null));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a.add(ByteString.valueOf("value1"));
        Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
        Assert.assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"))));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3"))));

    a = new LinkedAttribute("test");
    Assert.assertFalse(a.removeAll(Arrays.asList(ByteString.valueOf("value1"),
        ByteString.valueOf("value2"))));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a.add(ByteString.valueOf("value2"));
        Assert.assertTrue(a.containsAll(Collections.<ByteString> emptyList()));
        Assert.assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"))));
        Assert.assertTrue(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"))));
        Assert.assertFalse(a.containsAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3"))));
    }

    // removeAll from single-valued attribute.
    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertFalse(i.hasNext());
    @Test
    public void testFirstValue() {
        Attribute a = new LinkedAttribute("test");
        try {
            a.firstValue();
            Assert.fail("Expected NoSuchElementException");
        } catch (NoSuchElementException e) {
            // Expected.
        }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1")),
        null));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertEquals(a.firstValue(), ByteString.valueOf("value1"));

    a = new LinkedAttribute("test", ByteString.valueOf("value1"));
    Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"),
        ByteString.valueOf("value2"))));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        Assert.assertEquals(a.firstValue(), ByteString.valueOf("value1"));

    // removeAll from multi-valued attribute.
    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value2"), ByteString.valueOf("value1"));
        Assert.assertEquals(a.firstValue(), ByteString.valueOf("value2"));
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1")),
        null));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
    Assert.assertFalse(i.hasNext());
    @Test
    public void testGetAttributeDescription() {
        AttributeDescription ad = AttributeDescription.valueOf("test");
        Attribute a = new LinkedAttribute(ad);
        Assert.assertEquals(a.getAttributeDescription(), ad);
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertTrue(a.removeAll(
        Arrays.asList(ByteString.valueOf("value1"),
            ByteString.valueOf("value2")), null));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
    Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
    Assert.assertFalse(i.hasNext());
    @Test
    public void testIterator() {
        Attribute a = new LinkedAttribute("test");
        Iterator<ByteString> i = a.iterator();
        Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertTrue(a.removeAll(
        Arrays.asList(ByteString.valueOf("value1"),
            ByteString.valueOf("value2"), ByteString.valueOf("value3")), null));
    i = a.iterator();
    Assert.assertTrue(i.hasNext());
    Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertFalse(i.hasNext());

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4")), null));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());
    }

    a = new LinkedAttribute("test", ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"));
    Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"),
        ByteString.valueOf("value2"), ByteString.valueOf("value3"),
        ByteString.valueOf("value4"), ByteString.valueOf("value5")), null));
    i = a.iterator();
    Assert.assertFalse(i.hasNext());
  }
    @Test
    public void testRemove() {
        Attribute a = new LinkedAttribute("test");
        Assert.assertFalse(a.remove(ByteString.valueOf("value1")));
        Iterator<ByteString> i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertFalse(a.remove(ByteString.valueOf("value2")));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertFalse(i.hasNext());
        Assert.assertTrue(a.remove(ByteString.valueOf("value1")));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString.valueOf("value2"));
        Assert.assertFalse(a.remove(ByteString.valueOf("value3")));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());
        Assert.assertTrue(a.remove(ByteString.valueOf("value1")));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertFalse(i.hasNext());
        Assert.assertTrue(a.remove(ByteString.valueOf("value2")));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());
    }

    @Test
    public void testRemoveAll() {
        // removeAll from an empty attribute.
        Attribute a = new LinkedAttribute("test");
        Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
        Iterator<ByteString> i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test");
        Assert.assertFalse(a.removeAll(Arrays.asList(ByteString.valueOf("value1")), null));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test");
        Assert.assertFalse(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"))));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        // removeAll from single-valued attribute.
        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1")), null));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a = new LinkedAttribute("test", ByteString.valueOf("value1"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"))));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        // removeAll from multi-valued attribute.
        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertFalse(a.removeAll(Collections.<ByteString> emptyList(), null));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value1"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
        Assert.assertFalse(i.hasNext());

        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1")), null));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value2"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
        Assert.assertFalse(i.hasNext());

        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2")), null));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value3"));
        Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
        Assert.assertFalse(i.hasNext());

        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3")), null));
        i = a.iterator();
        Assert.assertTrue(i.hasNext());
        Assert.assertEquals(i.next(), ByteString.valueOf("value4"));
        Assert.assertFalse(i.hasNext());

        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3"), ByteString.valueOf("value4")),
                null));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());

        a =
                new LinkedAttribute("test", ByteString.valueOf("value1"), ByteString
                        .valueOf("value2"), ByteString.valueOf("value3"), ByteString
                        .valueOf("value4"));
        Assert.assertTrue(a.removeAll(Arrays.asList(ByteString.valueOf("value1"), ByteString
                .valueOf("value2"), ByteString.valueOf("value3"), ByteString.valueOf("value4"),
                ByteString.valueOf("value5")), null));
        i = a.iterator();
        Assert.assertFalse(i.hasNext());
    }
}