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some tests for encoding and decoding of names according to DNS protocol

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This commit is contained in:
Anton Keks 2014-08-31 19:12:15 +03:00
parent 6773d5d2ef
commit 7443edeaff
1 changed files with 32 additions and 0 deletions
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test/net/azib/ipscan/util/MDNSResolverTest.java Normal file
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package net.azib.ipscan.util;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import static org.junit.Assert.assertEquals;
public class MDNSResolverTest {
MDNSResolver resolver;
@Before
public void setUp() throws Exception {
resolver = new MDNSResolver();
}
@Test
public void encodeNameForDNS() throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(baos);
resolver.writeName(out, "a.bb.ccc.dddd");
assertEquals("\u0001a\u0002bb\u0003ccc\u0004dddd\u0000", new String(baos.toByteArray()));
}
@Test
public void decodeNameFromDNS() throws Exception {
byte[] data = "\u0000\u0000\u0001a\u0002bb\u0003ccc\u0004dddd\u0000".getBytes();
assertEquals("a.bb.ccc.dddd", resolver.decodeName(data, 2, data.length - 2));
}
}