TestBuffer.java
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上传日期:2018-01-08
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- /**
- * 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.hadoop.record;
- import junit.framework.*;
- /**
- * A Unit test for Record I/O Buffer class
- */
- public class TestBuffer extends TestCase {
-
- public TestBuffer(String testName) {
- super(testName);
- }
-
- /**
- * Test of set method, of class org.apache.hadoop.record.Buffer.
- */
- public void testSet() {
- final byte[] bytes = new byte[10];
- final Buffer instance = new Buffer();
-
- instance.set(bytes);
-
- assertEquals("set failed", bytes, instance.get());
- }
-
- /**
- * Test of copy method, of class org.apache.hadoop.record.Buffer.
- */
- public void testCopy() {
- final byte[] bytes = new byte[10];
- final int offset = 6;
- final int length = 3;
- for (int idx = 0; idx < 10; idx ++) {
- bytes[idx] = (byte) idx;
- }
- final Buffer instance = new Buffer();
-
- instance.copy(bytes, offset, length);
-
- assertEquals("copy failed", 3, instance.getCapacity());
- assertEquals("copy failed", 3, instance.get().length);
- for (int idx = 0; idx < 3; idx++) {
- assertEquals("Buffer content corrupted", idx+6, instance.get()[idx]);
- }
- }
-
- /**
- * Test of getCount method, of class org.apache.hadoop.record.Buffer.
- */
- public void testGetCount() {
- final Buffer instance = new Buffer();
-
- final int expResult = 0;
- final int result = instance.getCount();
- assertEquals("getSize failed", expResult, result);
- }
-
- /**
- * Test of getCapacity method, of class org.apache.hadoop.record.Buffer.
- */
- public void testGetCapacity() {
- final Buffer instance = new Buffer();
-
- final int expResult = 0;
- final int result = instance.getCapacity();
- assertEquals("getCapacity failed", expResult, result);
-
- instance.setCapacity(100);
- assertEquals("setCapacity failed", 100, instance.getCapacity());
- }
-
- /**
- * Test of truncate method, of class org.apache.hadoop.record.Buffer.
- */
- public void testTruncate() {
- final Buffer instance = new Buffer();
- instance.setCapacity(100);
- assertEquals("setCapacity failed", 100, instance.getCapacity());
-
- instance.truncate();
- assertEquals("truncate failed", 0, instance.getCapacity());
- }
-
- /**
- * Test of append method, of class org.apache.hadoop.record.Buffer.
- */
- public void testAppend() {
- final byte[] bytes = new byte[100];
- final int offset = 0;
- final int length = 100;
- for (int idx = 0; idx < 100; idx++) {
- bytes[idx] = (byte) (100-idx);
- }
-
- final Buffer instance = new Buffer();
-
- instance.append(bytes, offset, length);
-
- assertEquals("Buffer size mismatch", 100, instance.getCount());
-
- for (int idx = 0; idx < 100; idx++) {
- assertEquals("Buffer contents corrupted", 100-idx, instance.get()[idx]);
- }
-
- }
- }