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andy pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/jena.git

commit 559f805f0a3245986d0ef15418112a15b98417a9
Author: Andy Seaborne <[email protected]>
AuthorDate: Mon Mar 31 19:15:33 2025 +0100

    Clean-up tests
---
 .../org/apache/jena/riot/lang/TestTriXBad.java     |   3 +-
 .../core/assembler/TestInMemDatasetAssembler.java  |   9 +-
 .../core/mem/AbstractTestTupleTableForms.java      |   5 +-
 .../mem/TestDatasetGraphInMemoryThreading.java     |  10 +-
 .../sparql/engine/join/AbstractTestInnerJoin.java  |   5 +-
 .../jena/sparql/engine/join/AbstractTestJoin.java  |   6 +-
 .../apache/jena/atlas/lib/persistent/TestPMap.java |   6 +-
 .../apache/jena/atlas/lib/persistent/TestPSet.java |   4 +-
 .../jena/dboe/base/block/AbstractTestBlockMgr.java |   4 +-
 .../jena/dboe/base/block/TestBlockMgrTracked.java  |   4 +-
 .../jena/dboe/base/buffer/TestPtrBuffer.java       |   5 +-
 .../jena/dboe/base/buffer/TestRecordBuffer.java    |   4 +-
 .../file/AbstractTestBlockAccessFixedSize.java     |  10 +-
 .../base/file/AbstractTestBlockAccessVarSize.java  |   3 +
 .../jena/dboe/base/file/AbstractTestChannel.java   |   4 +-
 .../apache/jena/dboe/base/file/TestMetaFile.java   |  13 +-
 .../dboe/base/file/TestSegmentedMemBuffer.java     |   8 +-
 .../apache/jena/dboe/base/record/TestRecord.java   |   6 +-
 .../dboe/base/recordfile/TestRecordBufferPage.java |  12 +-
 .../dboe/index/testlib/AbstractTestRangeIndex.java |   7 +-
 .../trans/bplustree/TestBPTreeDistinctKeys.java    |   1 +
 .../trans/bplustree/TestBPTreeRecordsNonTxn.java   |   5 +-
 .../dboe/trans/bplustree/TestBPlusTreeNonTxn.java  |   2 +
 .../dboe/trans/bplustree/TestBPlusTreeTxn.java     |  10 +-
 .../rewriter/TestBPlusTreeRewriterNonTxn.java      |  11 +-
 .../apache/jena/dboe/trans/data/TestTxnBlob.java   |  16 +-
 .../dboe/trans/data/TestTxnBlobPersistent.java     |   5 +-
 .../apache/jena/dboe/transaction/TestTxnLib2.java  |   6 +-
 .../apache/jena/query/text/TestTextNonTxnTDB1.java | 199 ++++++++++-----------
 29 files changed, 213 insertions(+), 170 deletions(-)

diff --git a/jena-arq/src/test/java/org/apache/jena/riot/lang/TestTriXBad.java 
b/jena-arq/src/test/java/org/apache/jena/riot/lang/TestTriXBad.java
index 04096991d1..7249b6cb53 100644
--- a/jena-arq/src/test/java/org/apache/jena/riot/lang/TestTriXBad.java
+++ b/jena-arq/src/test/java/org/apache/jena/riot/lang/TestTriXBad.java
@@ -29,7 +29,6 @@ import org.apache.jena.riot.system.ErrorHandler ;
 import org.apache.jena.riot.system.ErrorHandlerFactory ;
 import org.apache.jena.riot.system.StreamRDF ;
 import org.apache.jena.riot.system.StreamRDFLib ;
-import org.junit.Assert ;
 import org.junit.Test ;
 import org.junit.runner.RunWith ;
 import org.junit.runners.Parameterized ;
@@ -38,7 +37,7 @@ import org.junit.runners.Parameterized.Parameters ;
 
 @RunWith(Parameterized.class)
 
-public class TestTriXBad extends Assert /*BaseTest*/ {
+public class TestTriXBad {
 
     static String DIR = "testing/RIOT/Lang/TriX" ;
 
diff --git 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/assembler/TestInMemDatasetAssembler.java
 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/assembler/TestInMemDatasetAssembler.java
index c1a3591877..2949ac0185 100644
--- 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/assembler/TestInMemDatasetAssembler.java
+++ 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/assembler/TestInMemDatasetAssembler.java
@@ -28,6 +28,9 @@ import static org.apache.jena.riot.RDFFormat.NTRIPLES;
 import static 
org.apache.jena.sparql.core.assembler.DatasetAssemblerVocab.pGraphName;
 import static 
org.apache.jena.sparql.core.assembler.DatasetAssemblerVocab.pNamedGraph;
 import static org.apache.jena.vocabulary.RDF.type;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -37,6 +40,8 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Iterator;
 
+import org.junit.Test;
+
 import org.apache.jena.assembler.JA ;
 import org.apache.jena.assembler.exceptions.CannotConstructException;
 import org.apache.jena.atlas.lib.IRILib;
@@ -50,14 +55,12 @@ import org.apache.jena.sparql.core.DatasetGraphFactory;
 import org.apache.jena.sparql.core.Quad;
 import org.apache.jena.sparql.sse.SSE;
 import org.apache.jena.sparql.util.IsoMatcher;
-import org.junit.Assert;
-import org.junit.Test;
 
 /**
  * Tests for {@link InMemDatasetAssembler}
  *
  */
-public class TestInMemDatasetAssembler extends Assert {
+public class TestInMemDatasetAssembler {
 
     private static File createTempFile(String prefix, String suffix) throws 
IOException {
         Path path =  Files.createTempFile(prefix, suffix);
diff --git 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/AbstractTestTupleTableForms.java
 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/AbstractTestTupleTableForms.java
index 7139dfb991..bcab957a90 100644
--- 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/AbstractTestTupleTableForms.java
+++ 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/AbstractTestTupleTableForms.java
@@ -20,16 +20,17 @@ package org.apache.jena.sparql.core.mem;
 
 import static java.util.stream.Collectors.toSet;
 import static 
org.apache.jena.sparql.core.mem.AbstractTestTupleTable.allWildcardQuery;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Map;
 import java.util.Set;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 
-import org.junit.Assert;
 import org.junit.Test;
 
-public abstract class AbstractTestTupleTableForms<TableForm extends 
Predicate<Set<TupleSlot>>> extends Assert {
+public abstract class AbstractTestTupleTableForms<TableForm extends 
Predicate<Set<TupleSlot>>> {
 
        protected abstract Stream<TableForm> tableForms();
 
diff --git 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/TestDatasetGraphInMemoryThreading.java
 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/TestDatasetGraphInMemoryThreading.java
index 83f43abf3d..f2b44381e9 100644
--- 
a/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/TestDatasetGraphInMemoryThreading.java
+++ 
b/jena-arq/src/test/java/org/apache/jena/sparql/core/mem/TestDatasetGraphInMemoryThreading.java
@@ -18,20 +18,21 @@
 
 package org.apache.jena.sparql.core.mem;
 
-import static org.awaitility.Awaitility.await ;
 import static org.apache.jena.graph.NodeFactory.createBlankNode ;
 import static org.apache.jena.query.ReadWrite.READ ;
 import static org.apache.jena.query.ReadWrite.WRITE ;
+import static org.awaitility.Awaitility.await ;
+import static org.junit.Assert.*;
 import static org.slf4j.LoggerFactory.getLogger ;
 
 import java.util.concurrent.atomic.AtomicBoolean ;
 
-import org.apache.jena.sparql.core.Quad ;
-import org.junit.Assert ;
 import org.junit.Test ;
+
+import org.apache.jena.sparql.core.Quad ;
 import org.slf4j.Logger ;
 
-public class TestDatasetGraphInMemoryThreading extends Assert {
+public class TestDatasetGraphInMemoryThreading {
 
        Logger log = getLogger(TestDatasetGraphInMemoryThreading.class);
 
@@ -51,7 +52,6 @@ public class TestDatasetGraphInMemoryThreading extends Assert 
{
 
                // we introduce a Writer thread
                new Thread() {
-
                        @Override
                        public void run() {
                                dsg.begin(WRITE);
diff --git 
a/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestInnerJoin.java
 
b/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestInnerJoin.java
index 84716b7777..2f15b80ce3 100644
--- 
a/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestInnerJoin.java
+++ 
b/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestInnerJoin.java
@@ -18,10 +18,13 @@
 
 package org.apache.jena.sparql.engine.join;
 
+import static org.junit.Assert.fail;
+
+import org.junit.Test ;
+
 import org.apache.jena.sparql.algebra.Table ;
 import org.apache.jena.sparql.core.Var ;
 import org.apache.jena.sparql.expr.ExprList ;
-import org.junit.Test ;
 
 /** Tests for inner/equi joins */
 public abstract class AbstractTestInnerJoin extends AbstractTestJoin {
diff --git 
a/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestJoin.java
 
b/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestJoin.java
index 350332965d..02c84d39f3 100644
--- 
a/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestJoin.java
+++ 
b/jena-arq/src/test/java/org/apache/jena/sparql/engine/join/AbstractTestJoin.java
@@ -18,6 +18,9 @@
 
 package org.apache.jena.sparql.engine.join;
 
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
 import java.util.List ;
 
 import org.apache.jena.atlas.io.IndentedWriter ;
@@ -33,10 +36,9 @@ import org.apache.jena.sparql.engine.binding.Binding ;
 import org.apache.jena.sparql.expr.ExprList ;
 import org.apache.jena.sparql.resultset.ResultSetCompare ;
 import org.apache.jena.sparql.sse.SSE ;
-import org.junit.Assert ;
 
 /** Tests for inner/equi joins */
-public abstract class AbstractTestJoin extends Assert {
+public abstract class AbstractTestJoin {
 
     protected static Table table0() { return parseTableInt("(table)") ; }
 
diff --git 
a/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPMap.java 
b/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPMap.java
index 6a02a9f667..aa39f8ab4d 100644
--- a/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPMap.java
+++ b/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPMap.java
@@ -19,16 +19,18 @@
 package org.apache.jena.atlas.lib.persistent;
 
 import static java.util.stream.Collectors.toMap;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Optional;
 import java.util.stream.Stream;
 
-import org.junit.Assert;
 import org.junit.Test;
 
-public class TestPMap extends Assert {
+public class TestPMap {
 
        @Test
        public void containsAddedElement() {
diff --git 
a/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPSet.java 
b/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPSet.java
index 3abfadd12e..ac604496c1 100644
--- a/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPSet.java
+++ b/jena-base/src/test/java/org/apache/jena/atlas/lib/persistent/TestPSet.java
@@ -19,13 +19,13 @@
 package org.apache.jena.atlas.lib.persistent;
 
 import static java.util.stream.Collectors.toSet;
+import static org.junit.Assert.*;
 
 import java.util.Set;
 
-import org.junit.Assert;
 import org.junit.Test;
 
-public class TestPSet extends Assert {
+public class TestPSet {
 
        @Test
        public void plusAndMinusWorkCorrectly() {
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/AbstractTestBlockMgr.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/AbstractTestBlockMgr.java
index 7d6d3b7744..5a88ce9fdf 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/AbstractTestBlockMgr.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/AbstractTestBlockMgr.java
@@ -21,12 +21,12 @@ package org.apache.jena.dboe.base.block;
 import java.nio.ByteBuffer;
 
 import static org.apache.jena.atlas.lib.ByteBufferLib.fill;
-import org.junit.Assert;
+import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public abstract class AbstractTestBlockMgr extends Assert {
+public abstract class AbstractTestBlockMgr {
     static final public int BlkSize  = 256;
 
     protected BlockMgr      blockMgr = null;
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/TestBlockMgrTracked.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/TestBlockMgrTracked.java
index 87cefbb51b..189b3ef0d6 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/TestBlockMgrTracked.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/block/TestBlockMgrTracked.java
@@ -21,11 +21,11 @@ package org.apache.jena.dboe.base.block;
 import java.nio.ByteBuffer;
 
 import org.junit.AfterClass;
-import org.junit.Assert;
+import static org.junit.Assert.*;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-public class TestBlockMgrTracked extends Assert
+public class TestBlockMgrTracked
 {
     // Mainly testing the tracking
 
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestPtrBuffer.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestPtrBuffer.java
index 856315433b..f3c35919aa 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestPtrBuffer.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestPtrBuffer.java
@@ -18,15 +18,16 @@
 
 package org.apache.jena.dboe.base.buffer;
 
+import static org.junit.Assert.*;
+
 import java.nio.ByteBuffer;
 
 import org.apache.jena.dboe.sys.SystemIndex;
 import org.junit.AfterClass;
-import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-public class TestPtrBuffer extends Assert
+public class TestPtrBuffer
 {
     static boolean originalNullOut;
     @BeforeClass static public void beforeClass() {
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestRecordBuffer.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestRecordBuffer.java
index d076d659d2..9f2a2adbda 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestRecordBuffer.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/buffer/TestRecordBuffer.java
@@ -24,7 +24,7 @@ import static org.apache.jena.dboe.test.RecordLib.r;
 import java.util.Iterator;
 import java.util.List;
 
-import org.junit.Assert;
+import static org.junit.Assert.*;
 import org.apache.jena.dboe.base.record.Record;
 import org.apache.jena.dboe.base.record.RecordFactory;
 import org.apache.jena.dboe.sys.SystemIndex;
@@ -33,7 +33,7 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-public class TestRecordBuffer extends Assert
+public class TestRecordBuffer
 {
     static RecordFactory recordFactory = new 
RecordFactory(RecordLib.TestRecordLength, 0);
 
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessFixedSize.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessFixedSize.java
index 78782c833c..a7ad9d67c7 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessFixedSize.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessFixedSize.java
@@ -18,17 +18,17 @@
 
 package org.apache.jena.dboe.base.file;
 
-import org.junit.Assert;
-
 import static org.apache.jena.dboe.test.BufferTestLib.sameValue;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertTrue;
 
-import org.apache.jena.dboe.base.block.Block;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public abstract class AbstractTestBlockAccessFixedSize extends Assert
-{
+import org.apache.jena.dboe.base.block.Block;
+
+public abstract class AbstractTestBlockAccessFixedSize {
     // Fixed block tests.
 
     int blkSize;
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessVarSize.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessVarSize.java
index 2b8fafa15f..b6dd8bdc38 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessVarSize.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestBlockAccessVarSize.java
@@ -21,6 +21,9 @@ package org.apache.jena.dboe.base.file;
 import static org.apache.jena.dboe.test.BufferTestLib.*;
 
 import org.apache.jena.dboe.base.block.Block;
+
+import static org.junit.Assert.assertNotSame;
+
 import org.junit.Test;
 
 public abstract class AbstractTestBlockAccessVarSize extends 
AbstractTestBlockAccessFixedSize
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestChannel.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestChannel.java
index d6ae9474aa..3a6cf67b5d 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestChannel.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/AbstractTestChannel.java
@@ -20,12 +20,12 @@ package org.apache.jena.dboe.base.file;
 
 import java.nio.ByteBuffer;
 
-import org.junit.Assert;
+import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public abstract class AbstractTestChannel extends Assert
+public abstract class AbstractTestChannel
 {
     protected abstract BufferChannel open();
 
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestMetaFile.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestMetaFile.java
index 2e0ad3092d..19c3adf112 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestMetaFile.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestMetaFile.java
@@ -18,16 +18,21 @@
 
 package org.apache.jena.dboe.base.file;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
 import java.io.File;
 
-import org.junit.Assert;
-import org.apache.jena.dboe.ConfigTestDBOE;
-import org.apache.jena.dboe.sys.Names;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class TestMetaFile extends Assert
+import org.apache.jena.dboe.ConfigTestDBOE;
+import org.apache.jena.dboe.sys.Names;
+
+public class TestMetaFile
 {
     String testfile = null;
     String testfileMeta = null;
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestSegmentedMemBuffer.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestSegmentedMemBuffer.java
index 56261372f5..b61757ff93 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestSegmentedMemBuffer.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/file/TestSegmentedMemBuffer.java
@@ -18,13 +18,17 @@
 
 package org.apache.jena.dboe.base.file;
 
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-import org.junit.Assert;
 import org.junit.Test;
 
-public class TestSegmentedMemBuffer extends Assert {
+public class TestSegmentedMemBuffer {
     private static byte[] data1 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
     private static byte[] data2 = { 10,11,12 };
 
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/record/TestRecord.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/record/TestRecord.java
index c991771f1c..d3337bd383 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/record/TestRecord.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/record/TestRecord.java
@@ -20,11 +20,13 @@ package org.apache.jena.dboe.base.record;
 
 import static org.apache.jena.dboe.test.RecordLib.intToRecord;
 import static org.apache.jena.dboe.test.RecordLib.recordToInt;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Assert;
 import org.junit.Test;
 
-public class TestRecord extends Assert
+public class TestRecord
 {
     static final public int RecLen = 4;
 
diff --git 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/recordfile/TestRecordBufferPage.java
 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/recordfile/TestRecordBufferPage.java
index 76419a72a8..fd3aaf01a4 100644
--- 
a/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/recordfile/TestRecordBufferPage.java
+++ 
b/jena-db/jena-dboe-base/src/test/java/org/apache/jena/dboe/base/recordfile/TestRecordBufferPage.java
@@ -18,7 +18,12 @@
 
 package org.apache.jena.dboe.base.recordfile;
 
-import org.junit.Assert;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
 import org.apache.jena.dboe.base.block.BlockMgr;
 import org.apache.jena.dboe.base.block.BlockMgrFactory;
 import org.apache.jena.dboe.base.buffer.RecordBuffer;
@@ -27,11 +32,8 @@ import org.apache.jena.dboe.base.record.RecordFactory;
 import org.apache.jena.dboe.base.recordbuffer.RecordBufferPage;
 import org.apache.jena.dboe.base.recordbuffer.RecordBufferPageMgr;
 import org.apache.jena.dboe.sys.SystemIndex;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
 
-public class TestRecordBufferPage extends Assert
+public class TestRecordBufferPage
 {
     // Testing: records are 2 bytes, 3 records per block.
 
diff --git 
a/jena-db/jena-dboe-index-test/src/main/java/org/apache/jena/dboe/index/testlib/AbstractTestRangeIndex.java
 
b/jena-db/jena-dboe-index-test/src/main/java/org/apache/jena/dboe/index/testlib/AbstractTestRangeIndex.java
index d379b353af..98ab45f318 100644
--- 
a/jena-db/jena-dboe-index-test/src/main/java/org/apache/jena/dboe/index/testlib/AbstractTestRangeIndex.java
+++ 
b/jena-db/jena-dboe-index-test/src/main/java/org/apache/jena/dboe/index/testlib/AbstractTestRangeIndex.java
@@ -25,16 +25,17 @@ import static 
org.apache.jena.dboe.index.testlib.IndexTestLib.testInsertDelete;
 import static org.apache.jena.dboe.test.RecordLib.intToRecord;
 import static org.apache.jena.dboe.test.RecordLib.r;
 import static org.apache.jena.dboe.test.RecordLib.toIntList;
+import static org.junit.Assert.*;
 
 import java.util.Iterator;
 import java.util.List;
 
+import org.junit.Test;
+
 import org.apache.jena.dboe.base.record.Record;
 import org.apache.jena.dboe.index.RangeIndex;
-import org.junit.Assert;
-import org.junit.Test;
 
-public abstract class AbstractTestRangeIndex extends Assert {
+public abstract class AbstractTestRangeIndex {
 
     protected RangeIndex makeRangeIndex(int order) {
         return makeRangeIndex(order, order);
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeDistinctKeys.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeDistinctKeys.java
index 364bcf25a5..6d92ddd64a 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeDistinctKeys.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeDistinctKeys.java
@@ -34,6 +34,7 @@ import java.util.*;
 import static org.apache.jena.dboe.index.testlib.IndexTestLib.testInsert;
 import static org.apache.jena.dboe.test.RecordLib.TestRecordLength;
 import static org.apache.jena.dboe.test.RecordLib.toIntList;
+import static org.junit.Assert.*;
 
 @RunWith(Parameterized.class)
 public class TestBPTreeDistinctKeys extends TestBPTreeModes {
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeRecordsNonTxn.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeRecordsNonTxn.java
index 72d047d44d..8f33959f1f 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeRecordsNonTxn.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPTreeRecordsNonTxn.java
@@ -27,9 +27,12 @@ import 
org.apache.jena.dboe.base.recordbuffer.RecordBufferPage;
 import org.apache.jena.dboe.base.recordbuffer.RecordBufferPageMgr;
 import org.apache.jena.dboe.sys.SystemIndex;
 import org.apache.jena.dboe.test.RecordLib;
+
+import static org.junit.Assert.*;
+
 import org.junit.*;
 
-public class TestBPTreeRecordsNonTxn extends Assert {
+public class TestBPTreeRecordsNonTxn {
     static private boolean             oldNullOut;
 
     static private int                 blockSize;
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeNonTxn.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeNonTxn.java
index c89628c076..5890d2e027 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeNonTxn.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeNonTxn.java
@@ -20,6 +20,8 @@ package org.apache.jena.dboe.trans.bplustree;
 
 import static org.apache.jena.dboe.index.testlib.IndexTestLib.add;
 import static org.apache.jena.dboe.test.RecordLib.intToRecord;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import java.util.List;
 
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeTxn.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeTxn.java
index 85c6bcd67a..6ff1988c2d 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeTxn.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/TestBPlusTreeTxn.java
@@ -18,19 +18,21 @@
 
 package org.apache.jena.dboe.trans.bplustree;
 
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
 import org.apache.jena.dboe.base.file.Location;
 import org.apache.jena.dboe.index.testlib.IndexTestLib;
-import org.apache.jena.system.Txn;
 import org.apache.jena.dboe.test.RecordLib;
 import org.apache.jena.dboe.transaction.Transactional;
 import org.apache.jena.dboe.transaction.TransactionalFactory;
 import org.apache.jena.dboe.transaction.txn.TransactionalComponent;
 import org.apache.jena.query.ReadWrite;
-import org.junit.Assert;
-import org.junit.Test;
+import org.apache.jena.system.Txn;
 
 /** Tests of B+Tree and transactions */
-public class TestBPlusTreeTxn extends Assert {
+public class TestBPlusTreeTxn {
 
     static BPlusTree createBPTree() {
         return BPlusTreeFactory.makeMem(2, 2, RecordLib.TestRecordLength, 0);
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/rewriter/TestBPlusTreeRewriterNonTxn.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/rewriter/TestBPlusTreeRewriterNonTxn.java
index 3d82b09759..8679db152f 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/rewriter/TestBPlusTreeRewriterNonTxn.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/bplustree/rewriter/TestBPlusTreeRewriterNonTxn.java
@@ -22,6 +22,10 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
 import org.apache.jena.atlas.lib.Bytes;
 import org.apache.jena.dboe.base.block.BlockMgr;
 import org.apache.jena.dboe.base.block.BlockMgrFactory;
@@ -34,13 +38,8 @@ import org.apache.jena.dboe.sys.Names;
 import org.apache.jena.dboe.trans.bplustree.BPTreeException;
 import org.apache.jena.dboe.trans.bplustree.BPlusTree;
 import org.apache.jena.dboe.trans.bplustree.BPlusTreeParams;
-import org.junit.AfterClass;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
 
-public class TestBPlusTreeRewriterNonTxn extends Assert
-{
+public class TestBPlusTreeRewriterNonTxn {
     // See also CmdTestBlusTreeRewriter for randomized soak testing.
 
     static int KeySize     = 4;
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlob.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlob.java
index 62c394f470..69ae735b8e 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlob.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlob.java
@@ -18,12 +18,19 @@
 
 package org.apache.jena.dboe.trans.data;
 
+
+import static org.junit.Assert.*;
+
 import java.util.concurrent.atomic.AtomicReference;
 
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
 import org.apache.jena.dboe.base.file.BufferChannel;
 import org.apache.jena.dboe.base.file.BufferChannelMem;
 import org.apache.jena.dboe.base.file.Location;
-import org.apache.jena.system.Txn;
 import org.apache.jena.dboe.transaction.Transactional;
 import org.apache.jena.dboe.transaction.TransactionalFactory;
 import org.apache.jena.dboe.transaction.txn.ComponentId;
@@ -31,12 +38,9 @@ import org.apache.jena.dboe.transaction.txn.journal.Journal;
 import org.apache.jena.query.ReadWrite;
 import org.apache.jena.system.ThreadAction;
 import org.apache.jena.system.ThreadTxn;
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.apache.jena.system.Txn;
 
-public class TestTxnBlob extends Assert {
+public class TestTxnBlob {
     private Journal         journal;
     private TransBlob       transBlob;
     private Transactional   transactional;
diff --git 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlobPersistent.java
 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlobPersistent.java
index d86eaea3e2..bc617af587 100644
--- 
a/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlobPersistent.java
+++ 
b/jena-db/jena-dboe-trans-data/src/test/java/org/apache/jena/dboe/trans/data/TestTxnBlobPersistent.java
@@ -29,9 +29,12 @@ import org.apache.jena.dboe.transaction.Transactional;
 import org.apache.jena.dboe.transaction.TransactionalFactory;
 import org.apache.jena.dboe.transaction.txn.ComponentId;
 import org.apache.jena.dboe.transaction.txn.journal.Journal;
+
+import static org.junit.Assert.*;
+
 import org.junit.*;
 
-public class TestTxnBlobPersistent extends Assert {
+public class TestTxnBlobPersistent {
     private final static String DIR  = "target/blobtest";
     private final static String JRNL = DIR+"/journal.jrnl";
     private final static String DATA = DIR+"/blob.data";
diff --git 
a/jena-db/jena-dboe-transaction/src/test/java/org/apache/jena/dboe/transaction/TestTxnLib2.java
 
b/jena-db/jena-dboe-transaction/src/test/java/org/apache/jena/dboe/transaction/TestTxnLib2.java
index c1572bc153..30bd5e6dac 100644
--- 
a/jena-db/jena-dboe-transaction/src/test/java/org/apache/jena/dboe/transaction/TestTxnLib2.java
+++ 
b/jena-db/jena-dboe-transaction/src/test/java/org/apache/jena/dboe/transaction/TestTxnLib2.java
@@ -22,8 +22,10 @@ import org.apache.jena.atlas.lib.Pair;
 import org.apache.jena.dboe.base.file.Location;
 import org.apache.jena.system.Txn;
 import org.apache.jena.dboe.transaction.txn.TransactionCoordinator;
+
+import static org.junit.Assert.*;
+
 import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -31,7 +33,7 @@ import org.junit.Test;
  *  Rather than a TransactionalComponent,
  *  TransactionalInteger
  */
-public class TestTxnLib2 extends Assert {
+public class TestTxnLib2 {
     // With setup/teardown / not from AbstractTestTxn
     private final long InitValue = 7;
     TransactionalInteger integer;
diff --git 
a/jena-text/src/test/java/org/apache/jena/query/text/TestTextNonTxnTDB1.java 
b/jena-text/src/test/java/org/apache/jena/query/text/TestTextNonTxnTDB1.java
index 1bb4b06749..51a17ae13d 100644
--- a/jena-text/src/test/java/org/apache/jena/query/text/TestTextNonTxnTDB1.java
+++ b/jena-text/src/test/java/org/apache/jena/query/text/TestTextNonTxnTDB1.java
@@ -22,148 +22,147 @@ import static org.junit.Assert.assertEquals;
 
 import java.io.Reader;
 import java.io.StringReader;
-import java.util.List ;
+import java.util.List;
 
-import org.apache.jena.atlas.iterator.Iter ;
-import org.apache.jena.atlas.junit.AssertExtra ;
-import org.apache.jena.atlas.lib.StrUtils ;
-import org.apache.jena.query.* ;
-import org.apache.jena.rdf.model.Model ;
-import org.apache.jena.sparql.core.Quad ;
-import org.apache.jena.sparql.sse.SSE ;
+import org.junit.Test;
+
+import org.apache.jena.atlas.iterator.Iter;
+import org.apache.jena.atlas.lib.StrUtils;
+import org.apache.jena.query.*;
+import org.apache.jena.rdf.model.Model;
+import org.apache.jena.sparql.core.Quad;
+import org.apache.jena.sparql.sse.SSE;
 import org.apache.jena.tdb1.TDB1;
 import org.apache.jena.tdb1.TDB1Factory;
-import org.apache.jena.vocabulary.RDFS ;
+import org.apache.jena.vocabulary.RDFS;
 import org.apache.lucene.store.ByteBuffersDirectory;
-import org.apache.lucene.store.Directory ;
-import org.junit.Test ;
+import org.apache.lucene.store.Directory;
 
 /** Text dataset tests using TDB1 non-transactionally, including context 
unionDefaultGraph */
-public class TestTextNonTxnTDB1 extends AssertExtra
-{
+public class TestTextNonTxnTDB1 {
     private static Dataset create() {
-        Dataset ds1 = TDB1Factory.createDataset() ;
-        Directory dir = new ByteBuffersDirectory() ;
+        Dataset ds1 = TDB1Factory.createDataset();
+        Directory dir = new ByteBuffersDirectory();
         EntityDefinition eDef = new EntityDefinition("iri", "text");
         eDef.setPrimaryPredicate(RDFS.label);
-        TextIndex tidx = new TextIndexLucene(dir, new TextIndexConfig(eDef)) ;
-        Dataset ds = TextDatasetFactory.create(ds1, tidx) ;
-        return ds ;
+        TextIndex tidx = new TextIndexLucene(dir, new TextIndexConfig(eDef));
+        Dataset ds = TextDatasetFactory.create(ds1, tidx);
+        return ds;
     }
 
     @Test public void textTDB1_1() {
         // Check the union graph stil works
-        Dataset ds = create() ;
-        ds.getContext().set(TDB1.symUnionDefaultGraph, true) ;
-        Quad quad = SSE.parseQuad("(<g> <p> rdfs:label 'foo')") ;
-        ds.asDatasetGraph().add(quad) ;
-        Query q = QueryFactory.create("SELECT * { ?s ?p ?o }") ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
+        Dataset ds = create();
+        ds.getContext().set(TDB1.symUnionDefaultGraph, true);
+        Quad quad = SSE.parseQuad("(<g> <p> rdfs:label 'foo')");
+        ds.asDatasetGraph().add(quad);
+        Query q = QueryFactory.create("SELECT * { ?s ?p ?o }");
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_2() {
         // Check text query and union graph
-        Dataset ds = create() ;
-        ds.getContext().set(TDB1.symUnionDefaultGraph, true) ;
-        Quad quad = SSE.parseQuad("(<g> <s> rdfs:label 'foo')") ;
-        ds.asDatasetGraph().add(quad) ;
+        Dataset ds = create();
+        ds.getContext().set(TDB1.symUnionDefaultGraph, true);
+        Quad quad = SSE.parseQuad("(<g> <s> rdfs:label 'foo')");
+        ds.asDatasetGraph().add(quad);
 
         String qs = StrUtils.strjoinNL("PREFIX text: 
<http://jena.apache.org/text#>",
                                        "PREFIX rdfs:    
<http://www.w3.org/2000/01/rdf-schema#>",
                                        "SELECT *",
-                                       "{ ?s text:query 'foo' ;",
+                                       "{ ?s text:query 'foo';",
                                        "     rdfs:label 'foo'",
                                        "}"
-                                       ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
+                                       );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_3() {
-        Dataset ds = create() ;
-        ds.getContext().set(TDB1.symUnionDefaultGraph, true) ;
+        Dataset ds = create();
+        ds.getContext().set(TDB1.symUnionDefaultGraph, true);
         data(ds,
              "(<ex:g1> <s1> rdfs:label 'foo')",
-             "(<ex:g2> <s2> rdfs:label 'bar')") ;
+             "(<ex:g2> <s2> rdfs:label 'bar')");
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text: <http://jena.apache.org/text#>",
             "PREFIX rdfs:    <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
-            "{ ?s text:query 'foo' ;",
+            "{ ?s text:query 'foo';",
             "     rdfs:label 'foo'",
             "}"
-            ) ;
+            );
 
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_4() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         data(ds,
              "(<ex:g1> <s1> rdfs:label 'foo')",
              "(<ex:g1> <s2> rdfs:label 'apple')",
-             "(<ex:g2> <s3> rdfs:label 'bar')") ;
+             "(<ex:g2> <s3> rdfs:label 'bar')");
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
             "FROM <ex:g1>",
             "{ ?s text:query 'foo' . ?s rdfs:label ?o }"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_5() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         data(ds,
              "(<ex:g1> <s1> rdfs:label 'foo')",
              "(<ex:g1> <s2> rdfs:label 'apple')",
-             "(<ex:g2> <s3> rdfs:label 'food')") ;
+             "(<ex:g2> <s3> rdfs:label 'food')");
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
             "FROM <"+Quad.unionGraph.getURI()+">",
             "{ ?s text:query 'foo*' . ?s rdfs:label ?o }"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(2,x.size());
     }
 
     @Test public void textTDB1_6() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         data(ds,
              "(<ex:g1> <s1> rdfs:label 'foo')",
              "(<ex:g1> <s2> rdfs:label 'apple')",
-             "(<ex:g2> <s3> rdfs:label 'food')") ;
+             "(<ex:g2> <s3> rdfs:label 'food')");
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
@@ -171,17 +170,17 @@ public class TestTextNonTxnTDB1 extends AssertExtra
             "{ GRAPH <"+Quad.unionGraph.getURI()+">",
             "    { ?s text:query 'foo*' . ?s rdfs:label ?o }",
             "}"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(2,x.size());
     }
 
     @Test public void textTDB1_7_subject_bound_first() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         data(ds,
             "(<ex:g1> <s1> rdfs:label 'foo')",
             "(<ex:g1> <s1> rdf:type <http://example.org/Entity>)",
@@ -190,24 +189,24 @@ public class TestTextNonTxnTDB1 extends AssertExtra
             "(<ex:g2> <s3> rdfs:label 'food')",
             "(<ex:g2> <s3> rdf:type <http://example.org/Entity>)");
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
             "FROM <ex:g1>",
             "{ ?s a <http://example.org/Entity> . ?s text:query 'foo' }"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_8_bnode_subject() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         dataTurtle(ds,
             StrUtils.strjoinNL(
                 "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
@@ -215,23 +214,23 @@ public class TestTextNonTxnTDB1 extends AssertExtra
             )
         );
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
             "{ ?s text:query 'foo' . ?s a <http://example.org/Entity> }"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(1,x.size());
     }
 
     @Test public void textTDB1_9_bnode_subject_bound_first() {
-        Dataset ds = create() ;
+        Dataset ds = create();
         dataTurtle(ds,
             StrUtils.strjoinNL(
                 "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
@@ -239,25 +238,25 @@ public class TestTextNonTxnTDB1 extends AssertExtra
             )
         );
 
-        ds.begin(ReadWrite.READ) ;
+        ds.begin(ReadWrite.READ);
         String qs = StrUtils.strjoinNL(
             "PREFIX text:   <http://jena.apache.org/text#>",
             "PREFIX rdfs:   <http://www.w3.org/2000/01/rdf-schema#>",
             "SELECT *",
             "{ ?s a <http://example.org/Entity> . ?s text:query 'foo' }"
-            ) ;
-        Query q = QueryFactory.create(qs) ;
-        QueryExecution qexec = QueryExecutionFactory.create(q, ds) ;
-        ResultSet rs = qexec.execSelect() ;
-        List<QuerySolution> x = Iter.toList(rs) ;
-        ds.end() ;
+            );
+        Query q = QueryFactory.create(qs);
+        QueryExecution qexec = QueryExecutionFactory.create(q, ds);
+        ResultSet rs = qexec.execSelect();
+        List<QuerySolution> x = Iter.toList(rs);
+        ds.end();
         assertEquals(1,x.size());
     }
 
     private static void data(Dataset ds, String... quadStrs) {
         for ( String qs : quadStrs ) {
-            Quad quad = SSE.parseQuad(qs) ;
-            ds.asDatasetGraph().add(quad) ;
+            Quad quad = SSE.parseQuad(qs);
+            ds.asDatasetGraph().add(quad);
         }
     }
 


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