/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2014-2016 ForgeRock AS.
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*/
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package org.opends.server.replication.protocol;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.zip.DataFormatException;
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import org.forgerock.opendj.ldap.DN;
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import org.opends.server.DirectoryServerTestCase;
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import org.opends.server.replication.common.CSN;
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import org.opends.server.replication.common.ServerState;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import static org.testng.Assert.*;
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/** Test for {@link ByteArrayBuilder} and {@link ByteArrayScanner} classes. */
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@SuppressWarnings("javadoc")
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public class ByteArrayTest extends DirectoryServerTestCase
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{
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private static final class IntegerRange implements Iterator<Object[]>
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{
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private int next;
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private final int endInclusive;
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public IntegerRange(int startInclusive, int endInclusive)
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{
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this.next = startInclusive;
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this.endInclusive = endInclusive;
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}
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@Override
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public boolean hasNext()
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{
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return next <= this.endInclusive;
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}
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@Override
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public Object[] next()
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{
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return new Object[] { next++ };
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}
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@Override
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public void remove() { /* unused */ }
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}
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private final byte[] byteArray = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, };
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@Test
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public void testBuilderAppendMethodsAndScannerNextMethods() throws Exception
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{
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final boolean boFalse = false;
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final boolean boTrue = true;
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final byte by = 80;
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final short sh = 42;
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final int i = sh + 1;
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final long l = i + 1;
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final String nullStr = null;
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final String str = "Yay!";
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final Collection<String> col = Arrays.asList("foo", "bar", "baz");
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final CSN csn = new CSN(42424242, 13, 42);
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final DN dn = DN.valueOf("dc=example,dc=com");
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final ServerState ss = new ServerState();
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ss.update(csn);
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byte[] bytes = new ByteArrayBuilder()
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.appendBoolean(boTrue)
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.appendBoolean(boFalse)
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.appendByte(by)
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.appendShort(sh)
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.appendInt(i)
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.appendLong(l)
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.appendString(nullStr)
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.appendString(str)
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.appendStrings(col)
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.appendIntUTF8(i)
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.appendLongUTF8(l)
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.appendCSN(csn)
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.appendCSNUTF8(csn)
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.appendDN(dn)
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.appendZeroTerminatedByteArray(byteArray)
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.appendByteArray(byteArray)
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.appendServerStateMustComeLast(ss)
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.toByteArray();
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final ByteArrayScanner scanner = new ByteArrayScanner(bytes);
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assertFalse(scanner.isEmpty());
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assertEquals(scanner.nextBoolean(), boTrue);
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assertEquals(scanner.nextBoolean(), boFalse);
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assertEquals(scanner.nextByte(), by);
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assertEquals(scanner.nextShort(), sh);
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assertEquals(scanner.nextInt(), i);
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assertEquals(scanner.nextLong(), l);
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assertEquals(scanner.nextString(), nullStr);
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assertEquals(scanner.nextString(), str);
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assertEquals(scanner.nextStrings(new ArrayList<String>()), col);
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assertEquals(scanner.nextIntUTF8(), i);
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assertEquals(scanner.nextLongUTF8(), l);
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assertEquals(scanner.nextCSN(), csn);
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assertEquals(scanner.nextCSNUTF8(), csn);
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assertEquals(scanner.nextDN(), dn);
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assertEquals(scanner.nextByteArray(byteArray.length), byteArray);
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scanner.skipZeroSeparator();
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assertEquals(scanner.nextByteArray(byteArray.length), byteArray);
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assertEquals(scanner.nextServerStateMustComeLast().toString(), ss.toString());
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assertTrue(scanner.isEmpty());
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}
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@Test
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public void testByteArrayScanner_remainingBytes() throws Exception
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{
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final byte[] bytes = new ByteArrayBuilder()
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.appendByteArray(byteArray)
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.toByteArray();
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final ByteArrayScanner scanner = new ByteArrayScanner(bytes);
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assertEquals(scanner.remainingBytes(), byteArray);
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assertTrue(scanner.isEmpty());
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}
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@Test
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public void testByteArrayScanner_remainingBytesZeroTerminated() throws Exception
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{
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final byte[] bytes = new ByteArrayBuilder()
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.appendZeroTerminatedByteArray(byteArray)
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.toByteArray();
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final ByteArrayScanner scanner = new ByteArrayScanner(bytes);
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assertEquals(scanner.remainingBytesZeroTerminated(), byteArray);
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assertTrue(scanner.isEmpty());
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}
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@DataProvider
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public Iterator<Object[]> testCasesForNextMethodsWithEmptyByteArray()
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{
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return new IntegerRange(0, 7);
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}
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@Test(dataProvider = "testCasesForNextMethodsWithEmptyByteArray",
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expectedExceptions = DataFormatException.class)
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public void testByteArrayScanner_nextMethods_throwsExceptionWhenNoData(int testNumber) throws Exception
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{
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delegate(testNumber);
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}
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/**
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* TestNG does not like test methods with a return type other than void,
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* so used a delegate to simplify the code down below.
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*/
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private Object delegate(int testNumber) throws DataFormatException
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{
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final ByteArrayScanner scanner = new ByteArrayScanner(new byte[0]);
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switch (testNumber)
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{
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case 0:
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return scanner.nextByte();
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case 1:
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return scanner.nextBoolean();
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case 2:
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return scanner.nextShort();
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case 3:
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return scanner.nextInt();
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case 4:
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return scanner.nextIntUTF8();
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case 5:
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return scanner.nextLong();
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case 6:
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return scanner.nextLongUTF8();
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case 7:
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return scanner.nextCSN();
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default:
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return null;
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}
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}
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@Test(expectedExceptions = IndexOutOfBoundsException.class)
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public void testByteArrayScanner_skipZeroSeparator_throwsExceptionWhenNoData() throws Exception
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{
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new ByteArrayScanner(new byte[0]).skipZeroSeparator();
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}
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@Test(expectedExceptions = DataFormatException.class)
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public void testByteArrayScanner_skipZeroSeparator_throwsExceptionWhenNoZeroSeparator() throws Exception
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{
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new ByteArrayScanner(new byte[] { 1 }).skipZeroSeparator();
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}
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@Test(expectedExceptions = DataFormatException.class)
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public void testByteArrayScanner_nextCSNUTF8_throwsExceptionWhenInvalidCSN() throws Exception
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{
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new ByteArrayScanner(new byte[] { 1, 0 }).nextCSNUTF8();
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}
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@Test(expectedExceptions = DataFormatException.class)
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public void testByteArrayScanner_nextDN_throwsExceptionWhenInvalidDN() throws Exception
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{
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final byte[] bytes = new ByteArrayBuilder().appendString("this is not a valid DN").toByteArray();
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new ByteArrayScanner(bytes).nextDN();
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}
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}
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