| /** |
| * 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.distributedlog; |
| |
| import org.junit.Test; |
| |
| import static org.junit.Assert.*; |
| |
| /** |
| * Test Case for {@link EntryPosition} |
| */ |
| public class TestEntryPosition { |
| |
| private void checkPosition(EntryPosition position, |
| long lssn, |
| long entryId) { |
| assertEquals(position.getLogSegmentSequenceNumber(), lssn); |
| assertEquals(position.getEntryId(), entryId); |
| } |
| |
| @Test |
| public void testAdvance() { |
| EntryPosition position = new EntryPosition(9L, 99L); |
| |
| checkPosition(position, 9L, 99L); |
| |
| // advance (8L, 100L) takes no effect |
| assertFalse(position.advance(8L, 100L)); |
| checkPosition(position, 9L, 99L); |
| // advance (9L, 98L) takes no effect |
| assertFalse(position.advance(9L, 98L)); |
| checkPosition(position, 9L, 99L); |
| // advance (9L, 99L) takes no effect |
| assertFalse(position.advance(9L, 99L)); |
| checkPosition(position, 9L, 99L); |
| // advance (9L, 100L) takes effects |
| assertTrue(position.advance(9L, 100L)); |
| checkPosition(position, 9L, 100L); |
| // advance (10L, 0L) takes effects |
| assertTrue(position.advance(10L, 0L)); |
| checkPosition(position, 10L, 0L); |
| } |
| |
| } |