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// SPDX-License-Identifier: BSD-3-Clause
// -*- Java -*-
//
// Copyright (c) 2005, Matthew J. Rutherford <rutherfo@cs.colorado.edu>
// Copyright (c) 2005, University of Colorado at Boulder
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * Neither the name of the University of Colorado at Boulder nor the
// names of its contributors may be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
package org.xbill.DNS;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
class ARecordTest {
private Name m_an;
private Name m_rn;
private InetAddress m_addr;
private String m_addr_string;
private byte[] m_addr_bytes;
private long m_ttl;
@BeforeEach
void setUp() throws TextParseException, UnknownHostException {
m_an = Name.fromString("My.Absolute.Name.");
m_rn = Name.fromString("My.Relative.Name");
m_addr_string = "193.160.232.5";
m_addr = InetAddress.getByName(m_addr_string);
m_addr_bytes = m_addr.getAddress();
m_ttl = 0x13579;
}
@Test
void ctor_0arg() throws UnknownHostException {
ARecord ar = new ARecord();
assertNull(ar.getName());
assertEquals(0, ar.getType());
assertEquals(0, ar.getDClass());
assertEquals(0, ar.getTTL());
assertEquals(InetAddress.getByName("0.0.0.0"), ar.getAddress());
}
@Test
void ctor_4arg() throws UnknownHostException {
ARecord ar = new ARecord(m_an, DClass.IN, m_ttl, m_addr);
assertEquals(m_an, ar.getName());
assertEquals(Type.A, ar.getType());
assertEquals(DClass.IN, ar.getDClass());
assertEquals(m_ttl, ar.getTTL());
assertEquals(m_addr, ar.getAddress());
// a relative name
assertThrows(RelativeNameException.class, () -> new ARecord(m_rn, DClass.IN, m_ttl, m_addr));
// an IPv6 address
InetAddress address = InetAddress.getByName("2001:0db8:85a3:08d3:1319:8a2e:0370:7334");
assertThrows(
IllegalArgumentException.class, () -> new ARecord(m_an, DClass.IN, m_ttl, address));
}
@ParameterizedTest
@ValueSource(ints = {0, 1, 2, 3, 5, 16})
void ctor_4arg_bytes_invalidLength(int len) {
assertThrows(
IllegalArgumentException.class, () -> new ARecord(m_an, DClass.IN, m_ttl, new byte[len]));
}
@Test
void ctor_4arg_bytes() {
ARecord ar = new ARecord(m_an, DClass.IN, m_ttl, m_addr_bytes);
assertEquals(m_an, ar.getName());
assertEquals(Type.A, ar.getType());
assertEquals(DClass.IN, ar.getDClass());
assertEquals(m_ttl, ar.getTTL());
assertEquals(m_addr, ar.getAddress());
// a relative name
assertThrows(RelativeNameException.class, () -> new ARecord(m_rn, DClass.IN, m_ttl, m_addr));
}
@Test
void rrFromWire() throws IOException {
DNSInput di = new DNSInput(m_addr_bytes);
ARecord ar = new ARecord();
ar.rrFromWire(di);
assertEquals(m_addr, ar.getAddress());
}
@Test
void rdataFromString() throws IOException {
Tokenizer t = new Tokenizer(m_addr_string);
ARecord ar = new ARecord();
ar.rdataFromString(t, null);
assertEquals(m_addr, ar.getAddress());
// invalid address
assertThrows(
TextParseException.class,
() -> new ARecord().rdataFromString(new Tokenizer("193.160.232"), null));
}
@Test
void rrToString() {
ARecord ar = new ARecord(m_an, DClass.IN, m_ttl, m_addr);
assertEquals(m_addr_string, ar.rrToString());
}
@Test
void rrToWire() {
ARecord ar = new ARecord(m_an, DClass.IN, m_ttl, m_addr);
DNSOutput dout = new DNSOutput();
ar.rrToWire(dout, null, true);
assertArrayEquals(m_addr_bytes, dout.toByteArray());
dout = new DNSOutput();
ar.rrToWire(dout, null, false);
assertArrayEquals(m_addr_bytes, dout.toByteArray());
}
@Test
void testSerializable() throws IOException, ClassNotFoundException {
try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
try (ObjectOutputStream oos = new ObjectOutputStream(bos)) {
ARecord expected = new ARecord(Name.root, DClass.IN, 60, m_addr);
oos.writeObject(expected);
try (ObjectInputStream ois =
new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()))) {
Record actual = (Record) ois.readObject();
assertEquals(expected, actual);
}
}
}
}
}