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/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
[email protected]
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Feb 16, 2012
*/
package com.bigdata.rdf.internal.encoder;
import java.math.BigInteger;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Random;
import junit.framework.TestCase2;
import org.openrdf.model.impl.URIImpl;
import com.bigdata.BigdataStatics;
import com.bigdata.bop.Constant;
import com.bigdata.bop.IBindingSet;
import com.bigdata.bop.IConstant;
import com.bigdata.bop.IVariable;
import com.bigdata.bop.Var;
import com.bigdata.bop.bindingSet.ListBindingSet;
import com.bigdata.btree.keys.IKeyBuilder;
import com.bigdata.rdf.internal.IV;
import com.bigdata.rdf.internal.IVCache;
import com.bigdata.rdf.internal.IVUtility;
import com.bigdata.rdf.internal.VTE;
import com.bigdata.rdf.internal.XSD;
import com.bigdata.rdf.internal.impl.BlobIV;
import com.bigdata.rdf.internal.impl.TermId;
import com.bigdata.rdf.internal.impl.literal.XSDBooleanIV;
import com.bigdata.rdf.internal.impl.literal.XSDIntegerIV;
import com.bigdata.rdf.internal.impl.literal.XSDNumericIV;
import com.bigdata.rdf.internal.impl.uri.FullyInlineURIIV;
import com.bigdata.rdf.model.BigdataLiteral;
import com.bigdata.rdf.model.BigdataURI;
import com.bigdata.rdf.model.BigdataValue;
import com.bigdata.rdf.model.BigdataValueFactory;
import com.bigdata.rdf.model.BigdataValueFactoryImpl;
/**
* Base class for {@link IBindingSetEncoder}and {@link IBindingSetDecoder} test
* suites.
*
* @author Bryan Thompson
* @version $Id$
*/
abstract public class AbstractBindingSetEncoderTestCase extends TestCase2 {
/**
*
*/
public AbstractBindingSetEncoderTestCase() {
}
/**
* @param name
*/
public AbstractBindingSetEncoderTestCase(String name) {
super(name);
}
/**
* When true, {@link #doEncodeDecodeTest(IBindingSet)} will
* also verify that the {@link IVCache} assertions were decoded.
*/
protected boolean testCache = true;
/**
* The namespace for the {@link BigdataValueFactory}.
*
*/
protected String namespace = getName();
/**
* The value factory for that namespace.
*/
protected BigdataValueFactory valueFactory = BigdataValueFactoryImpl
.getInstance(namespace);
/**
* A {@link TermId} whose {@link IVCache} is set.
*/
protected TermId termId;
/**
* A {@link TermId} whose {@link IVCache} is set.
*/
protected TermId termId2;
/**
* A {@link BlobIV} whose {@link IVCache} is set.
*/
protected BlobIV blobIV;
/** A "mockIV". */
protected TermId mockIV1;
/** A "mockIV". */
protected TermId mockIV2;
/** A "mockIV". */
protected TermId mockIV3;
/** A "mockIV". */
protected TermId mockIVCarryingUri;
/** A "mockIV". */
protected TermId mockIVCarryingBNode;
/** An inline IV whose {@link IVCache} is set. */
protected XSDIntegerIV inlineIV;
/** An inline IV whose {@link IVCache} is NOT set. */
protected IV inlineIV2;
/**
* The encoder under test.
*/
protected IBindingSetEncoder encoder;
/**
* The decoder under test.
*/
protected IBindingSetDecoder decoder;
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
protected void setUp() throws Exception {
super.setUp();
termId = new TermId(VTE.LITERAL, 12/* termId */);
termId.setValue(valueFactory.createLiteral("abc"));
termId2 = new TermId(VTE.LITERAL, 36/* termId */);
termId2.setValue(valueFactory.createLiteral("xyz"));
blobIV = new BlobIV(VTE.LITERAL, 912/* hash */,
(short) 0/* collisionCounter */);
blobIV.setValue(valueFactory.createLiteral("bigfoo"));
mockIV1 = (TermId) TermId.mockIV(VTE.LITERAL);
mockIV1.setValue((BigdataValue) valueFactory.createLiteral("red"));
mockIV2 = (TermId) TermId.mockIV(VTE.LITERAL);
mockIV2.setValue((BigdataValue) valueFactory.createLiteral("blue"));
mockIV3 = (TermId) TermId.mockIV(VTE.LITERAL);
mockIV3.setValue((BigdataValue) valueFactory.createLiteral("green"));
mockIVCarryingUri = (TermId) TermId.mockIV(VTE.URI);
mockIVCarryingUri.setValue((BigdataValue) valueFactory.createURI("http://green.as.uri"));
mockIVCarryingBNode = (TermId) TermId.mockIV(VTE.BNODE);
mockIVCarryingBNode.setValue((BigdataValue) valueFactory.createBNode("_:green_as_bnode"));
inlineIV = new XSDIntegerIV(BigInteger.valueOf(100));
inlineIV.setValue((BigdataLiteral) valueFactory.createLiteral("100",
XSD.INTEGER));
inlineIV2 = XSDBooleanIV.TRUE;
}
protected void tearDown() throws Exception {
super.tearDown();
// Clear references.
encoder.release();
encoder = null;
decoder.release();
decoder = null;
valueFactory.remove();
valueFactory = null;
namespace = null;
termId = termId2 = null;
blobIV = null;
mockIV1 = mockIV2 = mockIV3 = null;
inlineIV = null;
inlineIV2 = null;
}
protected void doEncodeDecodeTest(final IBindingSet expected) {
doEncodeDecodeTest(expected, testCache);
}
protected void doEncodeDecodeTest(final IBindingSet expected,
final boolean testCache) {
final byte[] data = encoder.encodeSolution(expected);
// Vector updates against the cache.
encoder.flush();
final Random r = new Random();
if(r.nextBoolean()){
// Decode.
final IBindingSet actual = decoder.decodeSolution(data, 0/* off */,
data.length/* len */, true/* resolveCachedValues */);
assertEquals(expected, actual, testCache);
} else {
/*
* Copy the record to be decoded to a different byte offset and the
* re-decode the record. This allows us to check for correct
* handling of the [off] argument by decodeSolution().
*/
final int off2 = r.nextInt(20) + 1;
// Decode from a different offset.
final byte[] data2 = new byte[data.length + off2];
System.arraycopy(data/* src */, 0/* srcPos */, data2/* dest */,
off2/* destPos */, data.length);
final IBindingSet actual2 = decoder
.decodeSolution(data2, off2/* off */, data.length/* len */,
true/* resolveCachedValues */);
assertEquals(expected, actual2, testCache);
}
}
@SuppressWarnings("rawtypes")
protected void assertEquals(final IBindingSet expected,
final IBindingSet actual, final boolean testCache) {
// Check the binding sets (w/o regard to the IVCache associations).
super.assertEquals(expected, actual);
if (!testCache)
return;
// Check the IVCache associations.
final Iterator> itr = expected.iterator();
while (itr.hasNext()) {
final Entry e = itr.next();
final IConstant c = e.getValue();
final IV iv = (IV) c.get();
/*
* @see https://sourceforge.net/apps/trac/bigdata/ticket/532
* (ClassCastException during hash join (can not be cast to TermId))
*/
if (iv.hasValue() && !iv.isInline()) {
final IVariable var = e.getKey();
final IConstant c2 = actual.get(var);
assertNotNull(c2);
final IV iv2 = (IV) c2.get();
assertEquals(iv, iv2);
if (!iv2.hasValue())
fail("IVCache not set on decode: " + iv);
assertEquals(iv.getValue(), iv2.getValue());
}
}
}
public void test_encodeEmpty() {
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
@SuppressWarnings("rawtypes")
public void test_encodeNonEmpty() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
doEncodeDecodeTest(expected);
}
@SuppressWarnings("rawtypes")
public void test_encodeNonEmpty2() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
/**
* Multiple solutions where a variable does not appear in the 2nd solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutions() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(99)));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where a new variables appears in the 2nd solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutions2() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(99)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the middle of the
* sequence.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutions3() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(99)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the 1st solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutions4() {
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(99)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the last solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutions5() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(12)));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(
new XSDNumericIV(99)));
expected.set(Var.var("y"), new Constant(
new FullyInlineURIIV(new URIImpl(
"http://www.bigdata.com"))));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
}
@SuppressWarnings("rawtypes")
public void test_encodeNonEmptyWithCachedValue() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
@SuppressWarnings("rawtypes")
public void test_encodeNonEmptyWithCachedValues() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
/**
* Test where an inline {@link IV} has its {@link IVCache} set.
*
* @see
* ClassCastException during hash join (can not be cast to TermId)
*/
@SuppressWarnings("rawtypes")
public void test_encodeNonEmptyWithCachedValuesAndInlineValues() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(inlineIV));
doEncodeDecodeTest(expected);
}
/**
* Variant where the inline {@link IV} does NOT have its {@link IVCache}
* set.
*
* @see
* ClassCastException during hash join (can not be cast to TermId)
*/
@SuppressWarnings("rawtypes")
public void test_encodeNonEmptyWithCachedValuesAndInlineValues2() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(inlineIV2));
doEncodeDecodeTest(expected);
}
/**
* Multiple solutions where a variable does not appear in the 2nd solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutionsWithCachedValues() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where a new variables appears in the 2nd solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutionsWithCachedValues2() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the middle of the
* sequence.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutionsWithCachedValues3() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the 1st solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutionsWithCachedValue4() {
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
}
/**
* Multiple solutions where an empty solution appears in the last solution.
*/
@SuppressWarnings("rawtypes")
public void test_multipleSolutionsWithCachedValue5() {
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant(termId));
expected.set(Var.var("y"), new Constant(blobIV));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
doEncodeDecodeTest(expected);
}
}
/**
* Unit test of a solution with 3 bindings.
*/
public void test_solutionWithThreeBindings1() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("y"), new Constant>(blobIV));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
/**
* Unit test of a solution with 3 bindings, some of which do not have an
* {@link IVCache} association. This test was added when some
* {@link IVCache} associations were observed to be associated with the
* wrong variables.
*/
public void test_solutionWithThreeBindingsSomeNotCached1() {
final TermId termIdNoCache = new TermId(
VTE.LITERAL, 912/* termId */);
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("y"), new Constant>(termIdNoCache));
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("y"), new Constant>(termIdNoCache));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("z"), new Constant>(termId));
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("y"), new Constant>(termIdNoCache));
doEncodeDecodeTest(expected);
}
}
/**
* Unit test of a solution with 3 bindings, some of which do not have an
* {@link IVCache} association and some of which have an inline IV. This
* test was added when it was observed that we were pushing inline IVs into
* the cache for the {@link IVBindingSetEncoderWithIVCache}.
*
* @see
* ClassCastException during hash join (can not be cast to TermId)
*/
public void test_solutionWithThreeBindingsSomeNotCachedSomeInline() {
final TermId termIdNoCache = new TermId(
VTE.LITERAL, 912/* termId */);
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("y"), new Constant>(termIdNoCache));
expected.set(Var.var("x"), new Constant>(inlineIV));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("y"), new Constant>(termIdNoCache));
expected.set(Var.var("z"), new Constant>(inlineIV2));
doEncodeDecodeTest(expected);
}
{
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("z"), new Constant>(termId));
expected.set(Var.var("x"), new Constant>(inlineIV2));
expected.set(Var.var("y"), new Constant>(termIdNoCache));
doEncodeDecodeTest(expected);
}
}
/**
* Unit test of a solution with 3 bindings in a different order.
*/
public void test_solutionWithThreeBindings2() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("z"), new Constant>(termId));
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("y"), new Constant>(blobIV));
doEncodeDecodeTest(expected);
}
protected BlobIV getVeryLargeLiteral() {
final int len = 1024000;
final StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
sb.append(Character.toChars('A' + (i % 26)));
}
final String s = sb.toString();
final Random r = new Random();
final int hash = r.nextInt();
final short collisionCounter = (short) r.nextInt(12);
final BlobIV blobIV2 = new BlobIV(
VTE.LITERAL, hash, collisionCounter);
blobIV2.setValue(valueFactory.createLiteral(s));
return blobIV2;
}
/**
* Unit test of a solution having a {@link BlobIV} with a
* {@link BigdataLiteral} which is very large.
*/
public void test_solutionWithVeryLargeObject() {
final BlobIV blobIV2 = getVeryLargeLiteral();
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant>(blobIV2));
doEncodeDecodeTest(expected);
}
/**
* Unit test of a solution having a {@link BlobIV} with a
* {@link BigdataLiteral} which is very large plus a few other bindings.
*/
public void test_solutionWithVeryLargeObject2() {
final BlobIV blobIV2 = getVeryLargeLiteral();
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("x"), new Constant>(blobIV2));
expected.set(Var.var("y"), new Constant>(blobIV));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
/**
* Unit test of a solution having a {@link BlobIV} with a
* {@link BigdataLiteral} which is very large plus a few other bindings
* (different order from the test above).
*/
public void test_solutionWithVeryLargeObject3() {
final BlobIV blobIV2 = getVeryLargeLiteral();
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("z"), new Constant>(termId));
expected.set(Var.var("x"), new Constant>(blobIV2));
expected.set(Var.var("y"), new Constant>(blobIV));
doEncodeDecodeTest(expected);
}
public void test_solutionWithSameValueBoundTwice() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("y"), new Constant>(termId));
expected.set(Var.var("z"), new Constant>(termId));
doEncodeDecodeTest(expected);
}
/**
* Unit test with one mock IV.
*
* Note: {@link TermId#mockIV(VTE)} is used to generate "mock" {@link IV}s
* by operators which produce values (such as SUBSTR()) that are not in the
* database. The termId for all "mock" {@link IV} is 0L. While
* {@link TermId#equals(Object)} takes the {@link IVCache} association into
* account, the association is not yet available when we are de-serializing
* an encoded solution and is not part of the key when the key is
* constructed using {@link IVUtility#encode(IKeyBuilder, IV)}. In each case
* this can lead to incorrectly resolving two "mock" {@link IV}s to the same
* value in an internal case.
*
* @see Optimize serialization for query messages on cluster
*/
public void test_solutionWithOneMockIV() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("y"), new Constant>(termId));
expected.set(Var.var("x"), new Constant>(termId2));
expected.set(Var.var("z"), new Constant>(mockIV1));
doEncodeDecodeTest(expected);
}
/**
* Unit test with all mock IVs.
*/
public void test_solutionWithAllMockIVs() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("y"), new Constant>(mockIV1));
expected.set(Var.var("x"), new Constant>(mockIV2));
expected.set(Var.var("z"), new Constant>(mockIV3));
doEncodeDecodeTest(expected);
}
/**
* Unit test with all mix of MockIVs, TermIds, and BlobIVs.
*/
public void test_solutionWithMockIVAndOthersToo() {
final IBindingSet expected = new ListBindingSet();
expected.set(Var.var("a"), new Constant>(termId));
expected.set(Var.var("y"), new Constant>(mockIV1));
expected.set(Var.var("c"), new Constant>(blobIV));
expected.set(Var.var("x"), new Constant>(mockIV2));
expected.set(Var.var("b"), new Constant>(termId2));
expected.set(Var.var("z"), new Constant>(mockIV3));
expected.set(Var.var("d"), new Constant>(mockIVCarryingUri));
expected.set(Var.var("e"), new Constant>(mockIVCarryingBNode));
doEncodeDecodeTest(expected);
}
}
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