/*
 * This program is free software; you can redistribute it and/or modify it under the
 *  terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 *  Foundation.
 *
 *  You should have received a copy of the GNU Lesser General Public License along with this
 *  program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  or from the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  Copyright (c) 2006 - 2015 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.pentaho.reporting.libraries.xmlns.common.AttributeMap;

/**
 * @author Andrey Khayrutdinov
 */
public class ReportAttributeMapTest {

  private ReportAttributeMap<String> map;

  @Before
  public void setUp() {
    map = new ReportAttributeMap<String>();
  }

  @After
  public void tearDown() {
    map = null;
  }


  @Test( expected = UnsupportedOperationException.class )
  public void unmodifiable_setAttribute() {
    map.createUnmodifiableMap().setAttribute( "namespace", "attribute", "value" );
  }

  @Test( expected = UnsupportedOperationException.class )
  public void unmodifiable_putAll() {
    map.createUnmodifiableMap().putAll( new AttributeMap<String>() );
  }

  @Test
  public void unmodifiable_isReadOnly() {
    assertTrue( map.createUnmodifiableMap().isReadOnly() );
  }


  @Test
  public void ordinal_isNotReadOnly() {
    assertFalse( map.isReadOnly() );
  }

  @Test
  public void ordinal_setAttribute() {
    assertNull( map.setAttribute( "namespace", "attribute", "value" ) );
    assertEquals( 1, map.getChangeTracker() );
  }

  @Test
  public void ordinal_setAttribute_DoesNotIncrementCounterForSameValues() {
    assertNull( map.setAttribute( "namespace", "attribute", "value" ) );
    assertEquals( "value", map.setAttribute( "namespace", "attribute", "value" ) );
    assertEquals( 1, map.getChangeTracker() );
  }

  @Test
  public void ordinal_putAll() {
    ReportAttributeMap<String> another = new ReportAttributeMap<>();
    another.setAttribute( "namespace1", "attribute1", "value1" );
    another.setAttribute( "namespace1", "attribute2", "value2" );
    another.setAttribute( "namespace2", "attribute1", "value1" );
    another.setAttribute( "namespace2", "attribute2", "value2" );
    map.putAll( another );

    assertEquals( 1, map.getChangeTracker() );
    assertEquals( 4, map.keySet().size() );
  }

  @Test
  public void ordinal_putAll_AlwaysIncrementsCounter() {
    ReportAttributeMap<String> another = new ReportAttributeMap<>();
    another.setAttribute( "namespace", "attribute", "value" );
    map.putAll( another );
    map.putAll( another );

    assertEquals( 2, map.getChangeTracker() );
    assertEquals( 1, map.keySet().size() );
  }

}