/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006 Sun Microsystems, Inc.
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*/
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package org.opends.server.protocols.asn1;
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import static org.testng.AssertJUnit.assertEquals;
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import static org.testng.AssertJUnit.assertTrue;
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import java.util.ArrayList;
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import java.util.Arrays;
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import org.testng.annotations.Configuration;
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import org.testng.annotations.Test;
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/**
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* This class defines a set of tests for the
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* org.opends.server.protocols.asn1.ASN1Enumerated class.
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*/
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public class TestASN1Enumerated extends ASN1TestCase {
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// The set of encoded values for the test integers.
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private ArrayList<byte[]> testEncodedIntegers;
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// The set of integer values to use in test cases.
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private ArrayList<Integer> testIntegers;
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/**
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* Performs any necessary initialization for this test case.
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*/
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@Configuration(beforeTestClass = true)
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public void setUp() {
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testIntegers = new ArrayList<Integer>();
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testEncodedIntegers = new ArrayList<byte[]>();
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// Add all values that can be encoded using a single byte.
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for (int i = 0; i < 128; i++) {
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testIntegers.add(i);
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testEncodedIntegers.add(new byte[] { (byte) (i & 0xFF) });
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}
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testIntegers.add(0x80); // The smallest 2-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0x80 });
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testIntegers.add(0xFF); // A boundary case for 2-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0xFF });
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testIntegers.add(0x0100); // A boundary case for 2-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x01, (byte) 0x00 });
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testIntegers.add(0x7FFF); // The largest 2-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x7F, (byte) 0xFF });
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testIntegers.add(0x8000); // The smallest 3-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0x80,
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(byte) 0x00 });
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testIntegers.add(0xFFFF); // A boundary case for 3-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0xFF,
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(byte) 0xFF });
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testIntegers.add(0x010000); // A boundary case for 3-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x01, (byte) 0x00,
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(byte) 0x00 });
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testIntegers.add(0x7FFFFF); // The largest 3-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x7F, (byte) 0xFF,
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(byte) 0xFF });
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testIntegers.add(0x800000); // The smallest 4-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0x80,
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(byte) 0x00, (byte) 0x00 });
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testIntegers.add(0xFFFFFF); // A boundary case for 4-byte encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x00, (byte) 0xFF,
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(byte) 0xFF, (byte) 0xFF });
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testIntegers.add(0x01000000); // A boundary case for 4-byte
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// encoding.
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testEncodedIntegers.add(new byte[] { (byte) 0x01, (byte) 0x00,
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(byte) 0x00, (byte) 0x00 });
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testIntegers.add(0x7FFFFFFF); // The largest value we will allow.
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testEncodedIntegers.add(new byte[] { (byte) 0x7F, (byte) 0xFF,
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(byte) 0xFF, (byte) 0xFF });
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}
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/**
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* Tests the <CODE>intValue</CODE> method.
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*/
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@Test()
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public void testIntValue() {
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for (int i : testIntegers) {
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ASN1Integer element = new ASN1Integer(i);
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assertEquals(i, element.intValue());
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}
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}
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/**
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* Tests the <CODE>setValue</CODE> method that takes an int
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* argument.
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*/
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@Test()
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public void testSetIntValue() {
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ASN1Integer element = new ASN1Integer(0);
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int numIntegers = testIntegers.size();
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for (int i = 0; i < numIntegers; i++) {
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int intValue = testIntegers.get(i);
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byte[] encodedIntValue = testEncodedIntegers.get(i);
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element.setValue(intValue);
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assertEquals(intValue, element.intValue());
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assertTrue(Arrays.equals(encodedIntValue, element.value()));
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}
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}
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/**
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* Tests the <CODE>setValue</CODE> method that takes a byte array
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* argument.
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*
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* @throws Exception
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* If the test failed unexpectedly.
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*/
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@Test()
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public void testSetByteValue() throws Exception {
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ASN1Integer element = new ASN1Integer(0);
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int numIntegers = testIntegers.size();
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for (int i = 0; i < numIntegers; i++) {
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int intValue = testIntegers.get(i);
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byte[] encodedIntValue = testEncodedIntegers.get(i);
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element.setValue(encodedIntValue);
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assertEquals(intValue, element.intValue());
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}
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}
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/**
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* Tests the <CODE>decodeAsEnumerated</CODE> method that takes an
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* ASN.1 element argument.
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*
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* @throws Exception
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* If the test failed unexpectedly.
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*/
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@Test()
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public void testDecodeElementAsEnumerated() throws Exception {
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int numIntegers = testIntegers.size();
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for (int i = 0; i < numIntegers; i++) {
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int intValue = testIntegers.get(i);
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byte[] encodedIntValue = testEncodedIntegers.get(i);
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ASN1Element element = new ASN1Element((byte) 0x00, encodedIntValue);
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assertEquals(intValue, ASN1Enumerated.decodeAsEnumerated(element)
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.intValue());
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element = new ASN1Element((byte) 0x0A, encodedIntValue);
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assertEquals(intValue, ASN1Enumerated.decodeAsEnumerated(element)
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.intValue());
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}
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}
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/**
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* Tests the <CODE>decodeAsEnumerated</CODE> method that takes a
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* byte array argument.
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*
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* @throws Exception
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* If the test failed unexpectedly.
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*/
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@Test()
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public void testDecodeBytesAsEnumerated() throws Exception {
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int numIntegers = testIntegers.size();
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for (int i = 0; i < numIntegers; i++) {
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int intValue = testIntegers.get(i);
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byte[] encodedIntValue = testEncodedIntegers.get(i);
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byte[] encodedLength = ASN1Element
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.encodeLength(encodedIntValue.length);
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byte[] encodedElement = new byte[1 + encodedLength.length
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+ encodedIntValue.length];
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encodedElement[0] = (byte) 0x00;
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System.arraycopy(encodedLength, 0, encodedElement, 1,
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encodedLength.length);
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System.arraycopy(encodedIntValue, 0, encodedElement,
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1 + encodedLength.length, encodedIntValue.length);
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assertEquals(intValue, ASN1Enumerated.decodeAsEnumerated(
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encodedElement).intValue());
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encodedElement[0] = (byte) 0x0A;
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assertEquals(intValue, ASN1Enumerated.decodeAsEnumerated(
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encodedElement).intValue());
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}
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}
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}
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