/*
* 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.channel;
import java.util.Arrays;
import org.apache.sshd.util.BaseTest;
import org.apache.sshd.util.BogusChannel;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
public class ChannelPipedInputStreamTest extends BaseTest {
@Test
public void testAvailable() throws Exception {
Window window = new Window(new BogusChannel(), null, true, true);
ChannelPipedInputStream stream = new ChannelPipedInputStream(window);
byte[] b = "test".getBytes();
stream.receive(b, 0, b.length);
assertEquals(b.length, stream.available());
stream.eof();
assertEquals(b.length, stream.available());
final byte[] readBytes = new byte[50];
assertEquals(b.length, stream.read(readBytes));
assertStreamEquals(b, readBytes);
assertEquals(-1, stream.available());
}
private void assertStreamEquals(byte[] expected, byte[] read) {
if (expected.length > read.length) {
fail("Less bytes than expected: " + Arrays.toString(expected) + " but got: " + Arrays.toString(read));
} else {
assertArrayEquals(expected, Arrays.copyOf(read, expected.length));
for (int i = expected.length; i < read.length; i++) {
assertEquals('\0', read[i]);
}
}
}
}