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234 lines
7.5 KiB
234 lines
7.5 KiB
/* |
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* Copyright (C) 2009-2010, Google Inc. |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php |
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.transport; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_DATA; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_ERROR; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.CH_PROGRESS; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.HDR_SIZE; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.MAX_BUF; |
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import static org.eclipse.jgit.transport.SideBandOutputStream.SMALL_BUF; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.text.MessageFormat; |
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import junit.framework.TestCase; |
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import org.eclipse.jgit.JGitText; |
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import org.eclipse.jgit.lib.Constants; |
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// Note, test vectors created with: |
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// |
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// perl -e 'printf "%4.4x%s\n", 4+length($ARGV[0]),$ARGV[0]' |
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public class SideBandOutputStreamTest extends TestCase { |
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private ByteArrayOutputStream rawOut; |
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protected void setUp() throws Exception { |
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super.setUp(); |
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rawOut = new ByteArrayOutputStream(); |
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} |
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public void testWrite_CH_DATA() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, SMALL_BUF, rawOut); |
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out.write(new byte[] { 'a', 'b', 'c' }); |
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out.flush(); |
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assertBuffer("0008\001abc"); |
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} |
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public void testWrite_CH_PROGRESS() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_PROGRESS, SMALL_BUF, rawOut); |
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out.write(new byte[] { 'a', 'b', 'c' }); |
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out.flush(); |
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assertBuffer("0008\002abc"); |
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} |
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public void testWrite_CH_ERROR() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_ERROR, SMALL_BUF, rawOut); |
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out.write(new byte[] { 'a', 'b', 'c' }); |
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out.flush(); |
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assertBuffer("0008\003abc"); |
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} |
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public void testWrite_Small() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, SMALL_BUF, rawOut); |
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out.write('a'); |
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out.write('b'); |
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out.write('c'); |
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out.flush(); |
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assertBuffer("0008\001abc"); |
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} |
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public void testWrite_SmallBlocks1() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, 6, rawOut); |
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out.write('a'); |
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out.write('b'); |
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out.write('c'); |
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out.flush(); |
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assertBuffer("0006\001a0006\001b0006\001c"); |
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} |
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public void testWrite_SmallBlocks2() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, 6, rawOut); |
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out.write(new byte[] { 'a', 'b', 'c' }); |
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out.flush(); |
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assertBuffer("0006\001a0006\001b0006\001c"); |
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} |
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public void testWrite_SmallBlocks3() throws IOException { |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, 7, rawOut); |
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out.write('a'); |
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out.write(new byte[] { 'b', 'c' }); |
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out.flush(); |
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assertBuffer("0007\001ab0006\001c"); |
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} |
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public void testWrite_Large() throws IOException { |
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final int buflen = MAX_BUF - HDR_SIZE; |
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final byte[] buf = new byte[buflen]; |
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for (int i = 0; i < buf.length; i++) { |
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buf[i] = (byte) i; |
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} |
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final SideBandOutputStream out; |
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out = new SideBandOutputStream(CH_DATA, MAX_BUF, rawOut); |
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out.write(buf); |
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out.flush(); |
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final byte[] act = rawOut.toByteArray(); |
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final String explen = Integer.toString(buf.length + HDR_SIZE, 16); |
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assertEquals(HDR_SIZE + buf.length, act.length); |
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assertEquals(new String(act, 0, 4, "UTF-8"), explen); |
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assertEquals(1, act[4]); |
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for (int i = 0, j = HDR_SIZE; i < buf.length; i++, j++) { |
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assertEquals(buf[i], act[j]); |
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} |
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} |
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public void testFlush() throws IOException { |
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final int[] flushCnt = new int[1]; |
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final OutputStream mockout = new OutputStream() { |
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@Override |
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public void write(int arg0) throws IOException { |
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fail("should not write"); |
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} |
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@Override |
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public void flush() throws IOException { |
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flushCnt[0]++; |
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} |
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}; |
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new SideBandOutputStream(CH_DATA, SMALL_BUF, mockout).flush(); |
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assertEquals(1, flushCnt[0]); |
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} |
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public void testConstructor_RejectsBadChannel() { |
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try { |
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new SideBandOutputStream(-1, MAX_BUF, rawOut); |
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fail("Accepted -1 channel number"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("channel -1 must be in range [0, 255]", e.getMessage()); |
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} |
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try { |
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new SideBandOutputStream(0, MAX_BUF, rawOut); |
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fail("Accepted 0 channel number"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("channel 0 must be in range [0, 255]", e.getMessage()); |
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} |
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try { |
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new SideBandOutputStream(256, MAX_BUF, rawOut); |
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fail("Accepted 256 channel number"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("channel 256 must be in range [0, 255]", e |
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.getMessage()); |
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} |
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} |
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public void testConstructor_RejectsBadBufferSize() { |
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try { |
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new SideBandOutputStream(CH_DATA, -1, rawOut); |
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fail("Accepted -1 for buffer size"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("packet size -1 must be >= 5", e.getMessage()); |
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} |
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try { |
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new SideBandOutputStream(CH_DATA, 0, rawOut); |
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fail("Accepted 0 for buffer size"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("packet size 0 must be >= 5", e.getMessage()); |
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} |
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try { |
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new SideBandOutputStream(CH_DATA, 1, rawOut); |
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fail("Accepted 1 for buffer size"); |
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} catch (IllegalArgumentException e) { |
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assertEquals("packet size 1 must be >= 5", e.getMessage()); |
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} |
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try { |
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new SideBandOutputStream(CH_DATA, Integer.MAX_VALUE, rawOut); |
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fail("Accepted " + Integer.MAX_VALUE + " for buffer size"); |
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} catch (IllegalArgumentException e) { |
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assertEquals(MessageFormat.format(JGitText.get().packetSizeMustBeAtMost, Integer.MAX_VALUE, 65520), e.getMessage()); |
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} |
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} |
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private void assertBuffer(final String exp) throws IOException { |
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assertEquals(exp, new String(rawOut.toByteArray(), |
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Constants.CHARACTER_ENCODING)); |
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} |
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}
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