| /* |
| * 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.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| import org.apache.sshd.common.PropertyResolverUtils; |
| import org.apache.sshd.util.test.BaseTestSupport; |
| import org.apache.sshd.util.test.BogusChannel; |
| import org.apache.sshd.util.test.NoIoTestCase; |
| import org.junit.FixMethodOrder; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.runners.MethodSorters; |
| |
| @FixMethodOrder(MethodSorters.NAME_ASCENDING) |
| @Category({ NoIoTestCase.class }) |
| public class ChannelPipedInputStreamTest extends BaseTestSupport { |
| public ChannelPipedInputStreamTest() { |
| super(); |
| } |
| |
| @Test |
| public void testAvailable() throws IOException { |
| try (ChannelPipedInputStream stream = createTestStream()) { |
| byte[] b = getCurrentTestName().getBytes(StandardCharsets.UTF_8); |
| stream.receive(b, 0, b.length); |
| assertEquals("Mismatched reported available size after receive", b.length, stream.available()); |
| |
| stream.eof(); |
| assertEquals("Mismatched reported available size after EOF", b.length, stream.available()); |
| |
| byte[] readBytes = new byte[b.length + Long.SIZE]; |
| assertEquals("Mismatched reported read size", b.length, stream.read(readBytes)); |
| assertStreamEquals(b, readBytes); |
| assertEquals("Unexpected data still available", -1, stream.available()); |
| assertEquals("Unexpectedly not at EOF", -1, stream.read()); |
| } |
| } |
| |
| @Test |
| public void testIdempotentClose() throws IOException { |
| try (ChannelPipedInputStream stream = createTestStream()) { |
| byte[] b = getCurrentTestName().getBytes(StandardCharsets.UTF_8); |
| stream.receive(b, 0, b.length); |
| stream.eof(); |
| |
| for (int index = 0; index < Byte.SIZE; index++) { |
| stream.close(); |
| } |
| } |
| } |
| |
| private static ChannelPipedInputStream createTestStream() { |
| AbstractChannel channel = new BogusChannel(); |
| LocalWindow window = new LocalWindow(channel, true); |
| window.init(PropertyResolverUtils.toPropertyResolver(Collections.emptyMap())); |
| return new ChannelPipedInputStream(channel, window); |
| } |
| |
| private static 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("Mismatched stream content", expected, Arrays.copyOf(read, expected.length)); |
| for (int i = expected.length; i < read.length; i++) { |
| assertEquals("Non-zero value at position " + i, 0, read[i]); |
| } |
| } |
| } |
| } |