Examples with AndNode org.apache.directory.api.ldap.model.filter.AndNode used on opensource projects

Example 16 with AndNode

use of org.apache.directory.api.ldap.model.filter.AndNode in project directory-ldap-api by apache.

the class SearchRequestTest method testDecodeSearchRequestPresentNoControls.

/**
 * Test the decoding of a SearchRequest with no controls. Test the present
 * filter : =* The search filter is :
 * (&(|(objectclass=*)(ou=*))(!(objectclass>=ttt)))
 */
@Test
public void testDecodeSearchRequestPresentNoControls() {
    Asn1Decoder ldapDecoder = new Asn1Decoder();
    ByteBuffer stream = ByteBuffer.allocate(0x7B);
    stream.put(new byte[] { 0x30, // LDAPMessage ::=SEQUENCE {
    0x79, 0x02, 0x01, // messageID MessageID
    0x01, 0x63, // CHOICE { ..., searchRequest SearchRequest, ...
    0x74, // SearchRequest ::= APPLICATION[3] SEQUENCE {
    0x04, // baseObject LDAPDN,
    0x1F, 'u', 'i', 'd', '=', 'a', 'k', 'a', 'r', 'a', 's', 'u', 'l', 'u', ',', 'd', 'c', '=', 'e', 'x', 'a', 'm', 'p', 'l', 'e', ',', 'd', 'c', '=', 'c', 'o', 'm', 0x0A, 0x01, // scope
    0x01, // wholeSubtree (2) },
    0x0A, 0x01, // derefAliases ENUMERATED {
    0x03, // sizeLimit INTEGER (0 .. maxInt), (1000)
    0x02, 0x02, 0x03, (byte) 0xE8, // timeLimit INTEGER (0 .. maxInt), (1000)
    0x02, 0x02, 0x03, (byte) 0xE8, 0x01, 0x01, // typesOnly
    (byte) 0xFF, // filter Filter,
    (byte) 0xA0, // Filter ::= CHOICE {
    0x29, // and [0] SET OF Filter,
    (byte) 0xA1, // or [1] SET of Filter,
    0x11, (byte) 0x87, // present [7] AttributeDescription,
    0x0B, // AttributeDescription ::= LDAPString
    'o', 'b', 'j', 'e', 'c', 't', 'c', 'l', 'a', 's', 's', // assertionValue AssertionValue (OCTET STRING) }
    (byte) 0x87, 0x02, 'o', // present [7]
    'u', // AttributeDescription ::= LDAPString
    (byte) 0xA2, // not [2] Filter,
    0x14, (byte) 0xA5, // greaterOrEqual [5]
    0x12, // attributeDesc AttributeDescription (LDAPString),
    0x04, 0x0B, 'o', 'b', 'j', 'e', 'c', 't', 'c', 'l', 'a', 's', 's', // assertionValue AssertionValue (OCTET STRING) }
    0x04, 0x03, 't', 't', 't', // attributes AttributeDescriptionList }
    0x30, // AttributeDescriptionList ::= SEQUENCE OF
    0x15, // AttributeDescription
    0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription
    '0', // ::= LDAPString
    0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription
    '1', // ::= LDAPString
    0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription ::=
    '2' // LDAPString
    });
    String decodedPdu = Strings.dumpBytes(stream.array());
    stream.flip();
    // Allocate a BindRequest Container
    LdapMessageContainer<SearchRequestDecorator> ldapMessageContainer = new LdapMessageContainer<SearchRequestDecorator>(codec);
    try {
        ldapDecoder.decode(stream, ldapMessageContainer);
    } catch (DecoderException de) {
        de.printStackTrace();
        fail(de.getMessage());
    }
    assertEquals(TLVStateEnum.PDU_DECODED, ldapMessageContainer.getState());
    SearchRequest searchRequest = ldapMessageContainer.getMessage();
    assertEquals(1, searchRequest.getMessageId());
    assertEquals("uid=akarasulu,dc=example,dc=com", searchRequest.getBase().toString());
    assertEquals(SearchScope.ONELEVEL, searchRequest.getScope());
    assertEquals(AliasDerefMode.DEREF_ALWAYS, searchRequest.getDerefAliases());
    assertEquals(1000, searchRequest.getSizeLimit());
    assertEquals(1000, searchRequest.getTimeLimit());
    assertEquals(true, searchRequest.getTypesOnly());
    // (& (...
    ExprNode filter = searchRequest.getFilter();
    AndNode andNode = (AndNode) filter;
    assertNotNull(andNode);
    List<ExprNode> andNodes = andNode.getChildren();
    // (& (| (...
    assertEquals(2, andNodes.size());
    OrNode orFilter = (OrNode) andNodes.get(0);
    assertNotNull(orFilter);
    // (& (| (objectclass=*) (...
    List<ExprNode> orNodes = orFilter.getChildren();
    assertEquals(2, orNodes.size());
    PresenceNode presenceNode = (PresenceNode) orNodes.get(0);
    assertNotNull(presenceNode);
    assertEquals("objectclass", presenceNode.getAttribute());
    // (& (| (objectclass=*) (ou=*) ) (...
    presenceNode = (PresenceNode) orNodes.get(1);
    assertNotNull(presenceNode);
    assertEquals("ou", presenceNode.getAttribute());
    // (& (| (objectclass=*) (ou=*) ) (! ...
    NotNode notNode = (NotNode) andNodes.get(1);
    assertNotNull(notNode);
    // (& (| (objectclass=*) (ou=*) ) (! (objectclass>=ttt) ) )
    GreaterEqNode<?> greaterOrEqual = (GreaterEqNode<?>) notNode.getFirstChild();
    assertNotNull(greaterOrEqual);
    assertEquals("objectclass", greaterOrEqual.getAttribute());
    assertEquals("ttt", greaterOrEqual.getValue().getValue());
    // The attributes
    List<String> attributes = searchRequest.getAttributes();
    for (String attribute : attributes) {
        assertNotNull(attribute);
    }
    // attributes may have been reordered
    try {
        ByteBuffer bb = encoder.encodeMessage(searchRequest);
        // Check the length
        assertEquals(0x7B, bb.limit());
        String encodedPdu = Strings.dumpBytes(bb.array());
        assertEquals(encodedPdu.substring(0, 0x6C), decodedPdu.substring(0, 0x6C));
    } catch (EncoderException ee) {
        ee.printStackTrace();
        fail(ee.getMessage());
    }
}

Example 17 with AndNode

use of org.apache.directory.api.ldap.model.filter.AndNode in project directory-ldap-api by apache.

the class SearchRequestTest method testDecodeSearchRequestAndEqEq.

/**
 * Test the decoding of a SearchRequest
 * (&(a=b)(c=d))
 */
@Test
public void testDecodeSearchRequestAndEqEq() {
    Asn1Decoder ldapDecoder = new Asn1Decoder();
    ByteBuffer stream = ByteBuffer.allocate(0x2F);
    stream.put(new byte[] { // LDAPMessage ::=SEQUENCE {
    0x30, // LDAPMessage ::=SEQUENCE {
    0x2D, 0x02, 0x01, // messageID MessageID
    0x01, 0x63, // CHOICE { ...,
    0x28, // SearchRequest ::= APPLICATION[3] SEQUENCE {
    0x04, // baseObject LDAPDN,
    0x03, 'a', '=', 'b', 0x0A, 0x01, // scope ENUMERATED {
    0x01, // wholeSubtree (2) },
    0x0A, 0x01, // derefAliases ENUMERATED {
    0x03, // derefAlways (3) },
    0x02, 0x01, // sizeLimit INTEGER (0 .. maxInt), (0)
    0x00, 0x02, 0x01, // timeLimit INTEGER (0 .. maxInt), (1000)
    0x00, 0x01, 0x01, // typesOnly BOOLEAN, (TRUE)
    (byte) 0xFF, // filter Filter,
    (byte) 0xA0, // Filter ::= CHOICE {
    0x10, (byte) 0xA3, 0x06, // Assertion ::= SEQUENCE {
    0x04, 0x01, // attributeDesc AttributeDescription (LDAPString),
    'a', 0x04, 0x01, // assertionValue AssertionValue (OCTET STRING) }
    'b', (byte) 0xA3, 0x06, // Assertion ::= SEQUENCE {
    0x04, 0x01, // attributeDesc AttributeDescription (LDAPString),
    'c', 0x04, 0x01, // assertionValue AssertionValue (OCTET STRING) }
    'd', // attributes AttributeDescriptionList }
    0x30, // AttributeDescriptionList ::= SEQUENCE OF AttributeDescription
    0x00 });
    String decodedPdu = Strings.dumpBytes(stream.array());
    stream.flip();
    // Allocate a BindRequest Container
    LdapMessageContainer<SearchRequestDecorator> ldapMessageContainer = new LdapMessageContainer<SearchRequestDecorator>(codec);
    try {
        ldapDecoder.decode(stream, ldapMessageContainer);
    } catch (DecoderException de) {
        de.printStackTrace();
        fail(de.getMessage());
    }
    assertEquals(TLVStateEnum.PDU_DECODED, ldapMessageContainer.getState());
    SearchRequest searchRequest = ldapMessageContainer.getMessage();
    assertEquals(1, searchRequest.getMessageId());
    assertEquals("a=b", searchRequest.getBase().toString());
    assertEquals(SearchScope.ONELEVEL, searchRequest.getScope());
    assertEquals(AliasDerefMode.DEREF_ALWAYS, searchRequest.getDerefAliases());
    assertEquals(0, searchRequest.getSizeLimit());
    assertEquals(0, searchRequest.getTimeLimit());
    assertEquals(true, searchRequest.getTypesOnly());
    // (&(...
    ExprNode filter = searchRequest.getFilter();
    AndNode andNode = (AndNode) filter;
    assertNotNull(andNode);
    List<ExprNode> andNodes = andNode.getChildren();
    assertEquals(2, andNodes.size());
    // (&(a=b)...
    EqualityNode<?> equalityNode = (EqualityNode<?>) andNodes.get(0);
    assertNotNull(equalityNode);
    assertEquals("a", equalityNode.getAttribute());
    assertEquals("b", equalityNode.getValue().getValue());
    // (&(a=b)(c=d))
    equalityNode = (EqualityNode<?>) andNodes.get(1);
    assertNotNull(equalityNode);
    assertEquals("c", equalityNode.getAttribute());
    assertEquals("d", equalityNode.getValue().getValue());
    List<String> attributes = searchRequest.getAttributes();
    assertEquals(0, attributes.size());
    // attributes may have been reordered
    try {
        ByteBuffer bb = encoder.encodeMessage(searchRequest);
        // Check the length
        assertEquals(0x2F, bb.limit());
        String encodedPdu = Strings.dumpBytes(bb.array());
        assertEquals(encodedPdu.substring(0, 0x2F), decodedPdu.substring(0, 0x2F));
    } catch (EncoderException ee) {
        ee.printStackTrace();
        fail(ee.getMessage());
    }
}

Example 18 with AndNode

use of org.apache.directory.api.ldap.model.filter.AndNode in project directory-ldap-api by apache.

the class SearchRequestTest method testDecodeSearchRequestComplexFilterWithControl.

/**
 * Test the decoding of a SearchRequest with a complex filter :
 * (&(objectClass=person)(|(cn=Tori*)(sn=Jagger)))
 */
@Test
public void testDecodeSearchRequestComplexFilterWithControl() {
    Asn1Decoder ldapDecoder = new Asn1Decoder();
    ByteBuffer stream = ByteBuffer.allocate(0x77);
    stream.put(new byte[] { // LdapMessage
    0x30, // LdapMessage
    0x75, 0x02, 0x01, // message Id = 6
    0x06, 0x63, // SearchRequest
    0x53, 0x04, // BaseDN 'ou=system'
    0x09, 0x6F, 0x75, 0x3D, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x0A, 0x01, // scope = SUBTREE
    0x02, 0x0A, 0x01, // derefAlias = 3
    0x03, 0x02, 0x01, // sizeLimit = none
    0x00, 0x02, 0x01, // timeLimit = none
    0x00, 0x01, 0x01, // types only = false
    0x00, (byte) 0xA0, // AND
    0x35, (byte) 0xA3, // equals
    0x15, 0x04, // 'objectclass'
    0x0B, 0x6F, 0x62, 0x6A, 0x65, 0x63, 0x74, 0x43, 0x6C, 0x61, 0x73, 0x73, 0x04, // 'person'
    0x06, 0x70, 0x65, 0x72, 0x73, 0x6F, 0x6E, (byte) 0xA1, // OR
    0x1C, (byte) 0xA4, // substrings : 'cn=Tori*'
    0x0C, 0x04, // 'cn'
    0x02, 0x63, 0x6E, 0x30, // initial = 'Tori'
    0x06, (byte) 0x80, 0x04, 0x54, 0x6F, 0x72, 0x69, (byte) 0xA3, // equals
    0x0C, 0x04, // 'sn'
    0x02, 0x73, 0x6E, 0x04, // 'Jagger'
    0x06, 0x4A, 0x61, 0x67, 0x67, 0x65, 0x72, 0x30, // Control
    0x00, (byte) 0xA0, 0x1B, 0x30, 0x19, 0x04, 0x17, '2', '.', '1', '6', '.', '8', '4', '0', '.', '1', '.', '1', '1', '3', '7', '3', '0', '.', '3', '.', '4', '.', '2' });
    stream.flip();
    // Allocate a BindRequest Container
    LdapMessageContainer<SearchRequestDecorator> ldapMessageContainer = new LdapMessageContainer<SearchRequestDecorator>(codec);
    try {
        ldapDecoder.decode(stream, ldapMessageContainer);
    } catch (DecoderException de) {
        de.printStackTrace();
        fail(de.getMessage());
    }
    assertEquals(TLVStateEnum.PDU_DECODED, ldapMessageContainer.getState());
    SearchRequest searchRequest = ldapMessageContainer.getMessage();
    assertEquals(6, searchRequest.getMessageId());
    assertEquals("ou=system", searchRequest.getBase().toString());
    assertEquals(SearchScope.SUBTREE, searchRequest.getScope());
    assertEquals(AliasDerefMode.DEREF_ALWAYS, searchRequest.getDerefAliases());
    assertEquals(0, searchRequest.getSizeLimit());
    assertEquals(0, searchRequest.getTimeLimit());
    assertEquals(false, searchRequest.getTypesOnly());
    // (&(...
    ExprNode filter = searchRequest.getFilter();
    AndNode andNode = (AndNode) filter;
    assertNotNull(andNode);
    List<ExprNode> andNodes = andNode.getChildren();
    assertEquals(2, andNodes.size());
    // (&(objectClass=person)..
    EqualityNode<?> equalityNode = (EqualityNode<?>) andNodes.get(0);
    assertNotNull(equalityNode);
    assertEquals("objectClass", equalityNode.getAttribute());
    assertEquals("person", equalityNode.getValue().getValue());
    // (&(a=b)(|
    OrNode orNode = (OrNode) andNodes.get(1);
    assertNotNull(orNode);
    List<ExprNode> orNodes = orNode.getChildren();
    assertEquals(2, orNodes.size());
    // (&(a=b)(|(cn=Tori*
    SubstringNode substringNode = (SubstringNode) orNodes.get(0);
    assertNotNull(substringNode);
    assertEquals("cn", substringNode.getAttribute());
    assertEquals("Tori", substringNode.getInitial());
    assertEquals(0, substringNode.getAny().size());
    assertEquals(null, substringNode.getFinal());
    // (&(a=b)(|(cn=Tori*)(sn=Jagger)))
    equalityNode = (EqualityNode<?>) orNodes.get(1);
    assertNotNull(equalityNode);
    assertEquals("sn", equalityNode.getAttribute());
    assertEquals("Jagger", equalityNode.getValue().getValue());
}

Example 19 with AndNode

use of org.apache.directory.api.ldap.model.filter.AndNode in project directory-ldap-api by apache.

the class SearchRequestTest method testDecodeSearchRequestDIRSERVER_810.

/**
 * Test the decoding of a SearchRequest with special length (long form)
 * for rootDSE
 */
@Test
public void testDecodeSearchRequestDIRSERVER_810() {
    Asn1Decoder ldapDecoder = new Asn1Decoder();
    ByteBuffer stream = ByteBuffer.allocate(0x6B);
    stream.put(new byte[] { 0x30, (byte) 0x84, 0x00, 0x00, 0x00, 0x65, 0x02, 0x01, 0x03, 0x63, (byte) 0x84, 0x00, 0x00, 0x00, 0x5c, 0x04, 0x12, 0x6f, 0x75, 0x3d, 0x75, 0x73, 0x65, 0x72, 0x73, 0x2c, 0x6f, 0x75, 0x3d, 0x73, 0x79, 0x73, 0x74, 0x65, // 'ou=users,ou=system'
    0x6d, 0x0a, 0x01, 0x01, 0x0a, 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x1e, 0x01, 0x01, (byte) 0xff, (byte) 0xa0, (byte) 0x84, 0x00, 0x00, 0x00, 0x2d, (byte) 0xa3, (byte) 0x84, 0x00, 0x00, 0x00, 0x0e, 0x04, 0x03, 0x75, 0x69, 0x64, 0x04, 0x07, 0x62, 0x75, 0x73, 0x74, 0x65, 0x72, // 'buster ' (with a space at the end)
    0x20, (byte) 0xa3, (byte) 0x84, 0x00, 0x00, 0x00, 0x13, 0x04, 0x0b, 0x73, 0x62, 0x41, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, // sbAttribute
    0x65, 0x04, 0x04, 0x42, 0x75, 0x79, // 'Buy ' (with a space at the end)
    0x20, 0x30, (byte) 0x84, 0x00, 0x00, 0x00, 0x00 });
    stream.flip();
    // Allocate a BindRequest Container
    LdapMessageContainer<SearchRequestDecorator> ldapMessageContainer = new LdapMessageContainer<SearchRequestDecorator>(codec);
    try {
        ldapDecoder.decode(stream, ldapMessageContainer);
    } catch (DecoderException de) {
        de.printStackTrace();
        fail(de.getMessage());
    }
    assertEquals(TLVStateEnum.PDU_DECODED, ldapMessageContainer.getState());
    SearchRequest searchRequest = ldapMessageContainer.getMessage();
    assertEquals(3, searchRequest.getMessageId());
    assertEquals("ou=users,ou=system", searchRequest.getBase().toString());
    assertEquals(SearchScope.ONELEVEL, searchRequest.getScope());
    assertEquals(AliasDerefMode.NEVER_DEREF_ALIASES, searchRequest.getDerefAliases());
    assertEquals(0, searchRequest.getSizeLimit());
    assertEquals(30, searchRequest.getTimeLimit());
    assertEquals(true, searchRequest.getTypesOnly());
    ExprNode filter = searchRequest.getFilter();
    AndNode andNode = (AndNode) filter;
    assertNotNull(andNode);
    List<ExprNode> andNodes = andNode.getChildren();
    assertEquals(2, andNodes.size());
    // (&(uid=buster)...
    EqualityNode<?> equalityNode = (EqualityNode<?>) andNodes.get(0);
    assertNotNull(equalityNode);
    assertEquals("uid", equalityNode.getAttribute());
    assertEquals("buster ", equalityNode.getValue().getValue());
    // (&(uid=buster)(sbAttribute=Buy))
    equalityNode = (EqualityNode<?>) andNodes.get(1);
    assertNotNull(equalityNode);
    assertEquals("sbAttribute", equalityNode.getAttribute());
    assertEquals("Buy ", equalityNode.getValue().getValue());
    List<String> attributes = searchRequest.getAttributes();
    assertEquals(0, attributes.size());
}

Example 20 with AndNode

use of org.apache.directory.api.ldap.model.filter.AndNode in project directory-ldap-api by apache.

the class SearchRequestTest method testDecodeSearchRequestCompareFiltersNoControls.

/**
 * Test the decoding of a SearchRequest with no controls. Test the various
 * types of filter : >=, <=, ~= The search filter is :
 * (&(|(objectclass~=top)(ou<=contacts))(!(objectclass>=ttt)))
 */
@Test
public void testDecodeSearchRequestCompareFiltersNoControls() {
    Asn1Decoder ldapDecoder = new Asn1Decoder();
    ByteBuffer stream = ByteBuffer.allocate(0x90);
    stream.put(new byte[] { 0x30, (byte) 0x81, // LDAPMessage ::=SEQUENCE {
    (byte) 0x8D, 0x02, 0x01, // messageID MessageID
    0x01, 0x63, (byte) 0x81, // CHOICE { ...,
    (byte) 0x87, // SearchRequest ::= APPLICATION[3] SEQUENCE {
    0x04, // baseObject LDAPDN,
    0x1F, 'u', 'i', 'd', '=', 'a', 'k', 'a', 'r', 'a', 's', 'u', 'l', 'u', ',', 'd', 'c', '=', 'e', 'x', 'a', 'm', 'p', 'l', 'e', ',', 'd', 'c', '=', 'c', 'o', 'm', 0x0A, 0x01, // scope ENUMERATED {
    0x01, // wholeSubtree (2) },
    0x0A, 0x01, // derefAliases ENUMERATED {
    0x03, // derefAlways (3) },
    0x02, 0x02, 0x03, // sizeLimit INTEGER (0 .. maxInt), (1000)
    (byte) 0xE8, 0x02, 0x02, 0x03, // timeLimit INTEGER (0 .. maxInt), (1000)
    (byte) 0xE8, 0x01, 0x01, // typesOnly BOOLEAN, (TRUE)
    (byte) 0xFF, // filter Filter,
    (byte) 0xA0, // Filter ::= CHOICE {
    0x3C, // and [0] SET OF Filter,
    (byte) 0xA1, // or [1] SET of Filter,
    0x24, (byte) 0xA8, // approxMatch [8]
    0x12, // Assertion ::= SEQUENCE {
    0x04, // attributeDesc AttributeDescription (LDAPString),
    0x0B, 'o', 'b', 'j', 'e', 'c', 't', 'c', 'l', 'a', 's', 's', 0x04, // attributeDesc AttributeDescription (LDAPString),
    0x03, 't', 'o', 'p', (byte) 0xA6, // lessOrEqual [3] Assertion,
    0x0E, 0x04, // Assertion ::= SEQUENCE {
    0x02, 'o', // attributeDesc AttributeDescription (LDAPString),
    'u', 0x04, // assertionValue AssertionValue (OCTET STRING) }
    0x08, 'c', 'o', 'n', 't', 'a', 'c', 't', 's', (byte) 0xA2, // not [2] Filter,
    0x14, (byte) 0xA5, // greaterOrEqual [5] Assertion,
    0x12, // Assertion ::= SEQUENCE {
    0x04, // attributeDesc AttributeDescription (LDAPString),
    0x0B, 'o', 'b', 'j', 'e', 'c', 't', 'c', 'l', 'a', 's', 's', 0x04, 0x03, 't', 't', // assertionValue AssertionValue (OCTET STRING) }
    't', // attributes AttributeDescriptionList }
    0x30, // AttributeDescriptionList ::= SEQUENCE OF
    0x15, // AttributeDescription
    0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription ::= LDAPString
    '0', 0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription ::= LDAPString
    '1', 0x04, 0x05, 'a', 't', 't', 'r', // AttributeDescription ::= LDAPString
    '2' });
    String decodedPdu = Strings.dumpBytes(stream.array());
    stream.flip();
    // Allocate a BindRequest Container
    LdapMessageContainer<SearchRequestDecorator> ldapMessageContainer = new LdapMessageContainer<SearchRequestDecorator>(codec);
    try {
        ldapDecoder.decode(stream, ldapMessageContainer);
    } catch (DecoderException de) {
        de.printStackTrace();
        fail(de.getMessage());
    }
    assertEquals(TLVStateEnum.PDU_DECODED, ldapMessageContainer.getState());
    SearchRequest searchRequest = ldapMessageContainer.getMessage();
    assertEquals(1, searchRequest.getMessageId());
    assertEquals("uid=akarasulu,dc=example,dc=com", searchRequest.getBase().toString());
    assertEquals(SearchScope.ONELEVEL, searchRequest.getScope());
    assertEquals(AliasDerefMode.DEREF_ALWAYS, searchRequest.getDerefAliases());
    assertEquals(1000, searchRequest.getSizeLimit());
    assertEquals(1000, searchRequest.getTimeLimit());
    assertEquals(true, searchRequest.getTypesOnly());
    // (& (...
    ExprNode filter = searchRequest.getFilter();
    AndNode andNode = (AndNode) filter;
    assertNotNull(andNode);
    List<ExprNode> andNodes = andNode.getChildren();
    // (& (| (...
    assertEquals(2, andNodes.size());
    OrNode orFilter = (OrNode) andNodes.get(0);
    assertNotNull(orFilter);
    // (& (| (objectclass~=top) (...
    List<ExprNode> orNodes = orFilter.getChildren();
    assertEquals(2, orNodes.size());
    ApproximateNode<?> approxNode = (ApproximateNode<?>) orNodes.get(0);
    assertNotNull(approxNode);
    assertEquals("objectclass", approxNode.getAttribute());
    assertEquals("top", approxNode.getValue().getValue());
    // (& (| (objectclass~=top) (ou<=contacts) ) (...
    LessEqNode<?> lessOrEqualNode = (LessEqNode<?>) orNodes.get(1);
    assertNotNull(lessOrEqualNode);
    assertEquals("ou", lessOrEqualNode.getAttribute());
    assertEquals("contacts", lessOrEqualNode.getValue().getValue());
    // (& (| (objectclass~=top) (ou<=contacts) ) (! ...
    NotNode notNode = (NotNode) andNodes.get(1);
    assertNotNull(notNode);
    // (& (| (objectclass~=top) (ou<=contacts) ) (! (objectclass>=ttt) ) )
    GreaterEqNode<?> greaterOrEqual = (GreaterEqNode<?>) notNode.getFirstChild();
    assertNotNull(greaterOrEqual);
    assertEquals("objectclass", greaterOrEqual.getAttribute());
    assertEquals("ttt", greaterOrEqual.getValue().getValue());
    // The attributes
    List<String> attributes = searchRequest.getAttributes();
    for (String attribute : attributes) {
        assertNotNull(attribute);
    }
    // attributes may have been reordered
    try {
        ByteBuffer bb = encoder.encodeMessage(searchRequest);
        // Check the length
        assertEquals(0x0090, bb.limit());
        String encodedPdu = Strings.dumpBytes(bb.array());
        assertEquals(encodedPdu.substring(0, 0x81), decodedPdu.substring(0, 0x81));
    } catch (EncoderException ee) {
        ee.printStackTrace();
        fail(ee.getMessage());
    }
}