| /* |
| * |
| * 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.qpid.server.bytebuffer; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.nio.charset.StandardCharsets; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.qpid.test.utils.UnitTestBase; |
| |
| public class QpidByteBufferOutputStreamTest extends UnitTestBase |
| { |
| private static final int BUFFER_SIZE = 10; |
| private static final int POOL_SIZE = 20; |
| private static final double SPARSITY_FRACTION = 0.5; |
| |
| @Before |
| public void setUp() throws Exception |
| { |
| QpidByteBuffer.deinitialisePool(); |
| QpidByteBuffer.initialisePool(BUFFER_SIZE, POOL_SIZE, SPARSITY_FRACTION); |
| } |
| |
| @After |
| public void tearDown() throws Exception |
| { |
| try |
| { |
| } |
| finally |
| { |
| QpidByteBuffer.deinitialisePool(); |
| } |
| } |
| |
| @Test |
| public void testWriteByteByByte() throws Exception |
| { |
| boolean direct = false; |
| try (QpidByteBufferOutputStream stream = new QpidByteBufferOutputStream(direct, 3)) |
| { |
| stream.write('a'); |
| stream.write('b'); |
| |
| assertBufferContent(false, "ab".getBytes(StandardCharsets.UTF_8), stream.fetchAccumulatedBuffer()); |
| } |
| } |
| |
| @Test |
| public void testWriteByteArrays() throws Exception |
| { |
| boolean direct = false; |
| try (QpidByteBufferOutputStream stream = new QpidByteBufferOutputStream(direct, 8)) |
| { |
| stream.write("abcd".getBytes(), 0, 4); |
| stream.write("_ef_".getBytes(), 1, 2); |
| |
| assertBufferContent(direct, "abcdef".getBytes(StandardCharsets.UTF_8), stream.fetchAccumulatedBuffer()); |
| } |
| } |
| |
| @Test |
| public void testWriteMixed() throws Exception |
| { |
| boolean direct = true; |
| try (QpidByteBufferOutputStream stream = new QpidByteBufferOutputStream(direct, 3)) |
| { |
| stream.write('a'); |
| stream.write("bcd".getBytes()); |
| |
| assertBufferContent(direct, "abcd".getBytes(StandardCharsets.UTF_8), stream.fetchAccumulatedBuffer()); |
| } |
| } |
| |
| |
| @Test |
| public void testWriteByteArrays_ArrayTooLargeForSingleBuffer() throws Exception |
| { |
| boolean direct = false; |
| try (QpidByteBufferOutputStream stream = new QpidByteBufferOutputStream(direct, 8)) |
| { |
| stream.write("abcdefghi".getBytes()); |
| |
| assertBufferContent(direct, "abcdefghi".getBytes(StandardCharsets.UTF_8), stream.fetchAccumulatedBuffer()); |
| } |
| } |
| |
| private void assertBufferContent(final boolean isDirect, final byte[] expected, final QpidByteBuffer buffer) |
| { |
| assertEquals("Unexpected buffer type", isDirect, buffer.isDirect()); |
| byte[] buf = new byte[buffer.remaining()]; |
| buffer.get(buf); |
| buffer.dispose(); |
| Assert.assertArrayEquals("Unexpected buffer content", expected, buf); |
| } |
| } |