| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.impl.io; |
| |
| import java.io.ByteArrayInputStream; |
| |
| import org.apache.hc.core5.http.StreamClosedException; |
| import org.apache.hc.core5.http.impl.BasicHttpTransportMetrics; |
| import org.apache.hc.core5.http.io.SessionInputBuffer; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Unit tests for {@link IdentityInputStream}. |
| */ |
| public class TestIdentityInputStream { |
| |
| @Test |
| public void testBasicRead() throws Exception { |
| final byte[] input = new byte[] {'a', 'b', 'c'}; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(input); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final IdentityInputStream in = new IdentityInputStream(inBuffer, inputStream); |
| final byte[] tmp = new byte[2]; |
| Assert.assertEquals(2, in.read(tmp, 0, tmp.length)); |
| Assert.assertEquals('a', tmp[0]); |
| Assert.assertEquals('b', tmp[1]); |
| Assert.assertEquals('c', in.read()); |
| Assert.assertEquals(-1, in.read(tmp, 0, tmp.length)); |
| Assert.assertEquals(-1, in.read()); |
| Assert.assertEquals(-1, in.read(tmp, 0, tmp.length)); |
| Assert.assertEquals(-1, in.read()); |
| in.close(); |
| } |
| |
| @Test |
| public void testClosedCondition() throws Exception { |
| final byte[] input = new byte[] {'a', 'b', 'c'}; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(input); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16); |
| final IdentityInputStream in = new IdentityInputStream(inBuffer, inputStream); |
| |
| in.close(); |
| in.close(); |
| |
| Assert.assertEquals(0, in.available()); |
| final byte[] tmp = new byte[2]; |
| Assert.assertThrows(StreamClosedException.class, () -> in.read(tmp, 0, tmp.length)); |
| Assert.assertThrows(StreamClosedException.class, () -> in.read()); |
| } |
| |
| @Test |
| public void testAvailable() throws Exception { |
| final byte[] input = new byte[] {'a', 'b', 'c'}; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(input); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(new BasicHttpTransportMetrics(), 16, 16, 1024, null); |
| final IdentityInputStream in = new IdentityInputStream(inBuffer, inputStream); |
| in.read(); |
| Assert.assertEquals(2, in.available()); |
| in.close(); |
| } |
| |
| @Test |
| public void testAvailableInStream() throws Exception { |
| final byte[] input = new byte[] {'a', 'b', 'c', 'd', 'e', 'f'}; |
| final ByteArrayInputStream inputStream = new ByteArrayInputStream(input); |
| final SessionInputBuffer inBuffer = new SessionInputBufferImpl(new BasicHttpTransportMetrics(), 16, 0, 1024, null); |
| final IdentityInputStream in = new IdentityInputStream(inBuffer, inputStream); |
| final byte[] tmp = new byte[3]; |
| Assert.assertEquals(3, in.read(tmp)); |
| Assert.assertEquals(3, in.available()); |
| in.close(); |
| } |
| |
| } |