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- /*
- * Copyright (C) 2009-2010, Google Inc. and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
- package org.eclipse.jgit.transport;
-
- import static java.nio.charset.StandardCharsets.UTF_8;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.fail;
-
- import java.io.ByteArrayOutputStream;
- import java.io.IOException;
- import java.io.OutputStream;
-
- import org.junit.Before;
- import org.junit.Test;
-
- // Note, test vectors created with:
- //
- // perl -e 'printf "%4.4x%s\n", 4+length($ARGV[0]),$ARGV[0]'
-
- public class PacketLineOutTest {
- private ByteArrayOutputStream rawOut;
-
- private PacketLineOut out;
-
- @Before
- public void setUp() throws Exception {
- rawOut = new ByteArrayOutputStream();
- out = new PacketLineOut(rawOut);
- }
-
- // writeString
-
- @Test
- public void testWriteString1() throws IOException {
- out.writeString("a");
- out.writeString("bc");
- assertBuffer("0005a0006bc");
- }
-
- @Test
- public void testWriteString2() throws IOException {
- out.writeString("a\n");
- out.writeString("bc\n");
- assertBuffer("0006a\n0007bc\n");
- }
-
- @Test
- public void testWriteString3() throws IOException {
- out.writeString("");
- assertBuffer("0004");
- }
-
- // end
-
- @Test
- public void testWriteEnd() throws IOException {
- final int[] flushCnt = new int[1];
- final OutputStream mockout = new OutputStream() {
- @Override
- public void write(int arg0) throws IOException {
- rawOut.write(arg0);
- }
-
- @Override
- public void flush() throws IOException {
- flushCnt[0]++;
- }
- };
-
- new PacketLineOut(mockout).end();
- assertBuffer("0000");
- assertEquals(1, flushCnt[0]);
- }
-
- @Test
- public void testWriteDelim() throws IOException {
- out.writeDelim();
- assertBuffer("0001");
- }
-
- // writePacket
-
- @Test
- public void testWritePacket1() throws IOException {
- out.writePacket(new byte[] { 'a' });
- assertBuffer("0005a");
- }
-
- @Test
- public void testWritePacket2() throws IOException {
- out.writePacket(new byte[] { 'a', 'b', 'c', 'd' });
- assertBuffer("0008abcd");
- }
-
- @Test
- public void testWritePacket3() throws IOException {
- final int buflen = SideBandOutputStream.MAX_BUF - 5;
- final byte[] buf = new byte[buflen];
- for (int i = 0; i < buf.length; i++) {
- buf[i] = (byte) i;
- }
- out.writePacket(buf);
- out.flush();
-
- final byte[] act = rawOut.toByteArray();
- final String explen = Integer.toString(buf.length + 4, 16);
- assertEquals(4 + buf.length, act.length);
- assertEquals(new String(act, 0, 4, "UTF-8"), explen);
- for (int i = 0, j = 4; i < buf.length; i++, j++) {
- assertEquals(buf[i], act[j]);
- }
- }
-
- // flush
-
- @Test
- public void testFlush() throws IOException {
- final int[] flushCnt = new int[1];
- final OutputStream mockout = new OutputStream() {
- @Override
- public void write(int arg0) throws IOException {
- fail("should not write");
- }
-
- @Override
- public void flush() throws IOException {
- flushCnt[0]++;
- }
- };
-
- new PacketLineOut(mockout).flush();
- assertEquals(1, flushCnt[0]);
- }
-
- private void assertBuffer(String exp) {
- assertEquals(exp, new String(rawOut.toByteArray(),
- UTF_8));
- }
- }
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