/*
* 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.sshd.common.util.buffer;
import java.nio.charset.StandardCharsets;
import java.util.Random;
import org.apache.sshd.util.test.BaseTestSupport;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class BufferUtilsTest extends BaseTestSupport {
public BufferUtilsTest() {
super();
}
@Test
public void testHexEncodeDecode() {
String expValue = getClass().getName() + "#" + getCurrentTestName();
byte[] expData = expValue.getBytes(StandardCharsets.UTF_8);
for (char sep : new char[]{BufferUtils.EMPTY_HEX_SEPARATOR, ':'}) {
String hexData = BufferUtils.toHex(sep, expData);
byte[] actData = BufferUtils.decodeHex(sep, hexData);
String actValue = new String(actData, StandardCharsets.UTF_8);
String sepName = (BufferUtils.EMPTY_HEX_SEPARATOR == sep) ? "EMPTY" : Character.toString(sep);
outputDebugMessage("Decode(sep=%s) expected=%s, actual=%s", sepName, expValue, actValue);
assertArrayEquals("Mismatched result for sep='" + sepName + "'", expData, actData);
}
}
@Test
public void testGetCompactClone() {
byte[] expected = getCurrentTestName().getBytes(StandardCharsets.UTF_8);
final int testOffset = Byte.SIZE / 2;
byte[] data = new byte[expected.length + 2 * testOffset];
Random rnd = new Random(System.nanoTime());
rnd.nextBytes(data);
System.arraycopy(expected, 0, data, testOffset, expected.length);
Buffer buf = ByteArrayBuffer.getCompactClone(data, testOffset, expected.length);
assertEquals("Mismatched cloned buffer read position", 0, buf.rpos());
assertEquals("Mismatched cloned buffer available size", expected.length, buf.available());
byte[] actual = buf.array();
assertNotSame("Original data not cloned", data, actual);
assertArrayEquals("Mismatched cloned contents", expected, actual);
}
}