| /* |
| * 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 |
| * |
| * 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 org.apache.directory.api.ldap.model.cursor; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import com.mycila.junit.concurrent.Concurrency; |
| import com.mycila.junit.concurrent.ConcurrentJunitRunner; |
| |
| import org.apache.directory.api.ldap.model.cursor.Cursor; |
| import org.apache.directory.api.ldap.model.cursor.ListCursor; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import static org.junit.Assert.fail; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertEquals; |
| |
| |
| /** |
| * Tests the ListCursor class. The assertXxxx() methods defined in this class |
| * can be collected in an abstract test case class that can be used to test |
| * the behavior of any Cursor implementation down the line. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @RunWith(ConcurrentJunitRunner.class) |
| @Concurrency() |
| public class ListCursorTest |
| { |
| @Test |
| public void testEmptyList() throws Exception |
| { |
| ListCursor<String> cursor = new ListCursor<String>(); |
| |
| // close test |
| cursor.close(); |
| assertClosed( cursor, "cursor.isClosed() should return true after closing the cursor", true ); |
| } |
| |
| |
| @Test |
| public void testSingleElementList() throws Exception |
| { |
| ListCursor<String> cursor = new ListCursor<String>( Collections.singletonList( "singleton" ) ); |
| |
| // close test |
| cursor.close(); |
| assertClosed( cursor, "cursor.isClosed() should return true after closing the cursor", true ); |
| |
| // bad bounds: start = end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( Collections.singletonList( "singleton" ), 0 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start = end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( 1, Collections.singletonList( "singleton" ) ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start > end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( 5, Collections.singletonList( "singleton" ) ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: end < start is senseless too in another way :) |
| try |
| { |
| cursor = new ListCursor<String>( Collections.singletonList( "singleton" ), -5 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start out of range |
| try |
| { |
| cursor = new ListCursor<String>( -5, Collections.singletonList( "singleton" ) ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: end out of range |
| try |
| { |
| cursor = new ListCursor<String>( Collections.singletonList( "singleton" ), 5 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| } |
| |
| |
| @Test |
| public void testManyElementList() throws Exception |
| { |
| List<String> list = new ArrayList<String>(); |
| list.add( "item 1" ); |
| list.add( "item 2" ); |
| list.add( "item 3" ); |
| list.add( "item 4" ); |
| list.add( "item 5" ); |
| |
| // test with bounds of the list itself |
| ListCursor<String> cursor = new ListCursor<String>( list ); |
| cursor.close(); |
| |
| // test with nonzero lower bound |
| cursor = new ListCursor<String>( 1, list ); |
| cursor.close(); |
| |
| // test with nonzero lower bound and upper bound |
| cursor = new ListCursor<String>( 1, list, 4 ); |
| |
| // close test |
| cursor.close(); |
| assertClosed( cursor, "cursor.isClosed() should return true after closing the cursor", true ); |
| |
| // bad bounds: start = end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( list, 0 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start = end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( 5, list ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start > end is senseless |
| try |
| { |
| cursor = new ListCursor<String>( 10, list ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: end < start is senseless too in another way :) |
| try |
| { |
| cursor = new ListCursor<String>( list, -5 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: start out of range |
| try |
| { |
| cursor = new ListCursor<String>( -5, list ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| // bad bounds: end out of range |
| try |
| { |
| cursor = new ListCursor<String>( list, 10 ); |
| cursor.close(); |
| fail( "when the start = end bounds this is senseless and should complain" ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| assertNotNull( e ); |
| } |
| } |
| |
| |
| protected void assertClosed( Cursor<?> cursor, String msg, boolean expected ) |
| { |
| try |
| { |
| assertEquals( msg, expected, cursor.isClosed() ); |
| } |
| catch ( Exception e ) |
| { |
| fail( "cursor.isClosed() test should not fail after closing the cursor" ); |
| } |
| |
| try |
| { |
| cursor.close(); |
| } |
| catch ( Exception e ) |
| { |
| fail( "cursor.close() after closing the cursor should not fail with exceptions" ); |
| } |
| |
| try |
| { |
| cursor.afterLast(); |
| fail( "cursor.afterLast() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.beforeFirst(); |
| fail( "cursor.beforeFirst() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.first(); |
| fail( "cursor.first() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.get(); |
| fail( "cursor.get() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.last(); |
| fail( "cursor.last() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.next(); |
| fail( "cursor.next() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| |
| try |
| { |
| cursor.previous(); |
| fail( "cursor.previous() after closing the cursor should fail with an IOException" ); |
| } |
| catch ( Exception e ) |
| { |
| assertNotNull( e ); |
| } |
| } |
| } |