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nightowl888 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/lucenenet.git

commit 539eb8500269d6beea0c810948bbfa82802a612f
Author: Shad Storhaug <[email protected]>
AuthorDate: Wed Jun 24 12:33:13 2020 +0700

    Lucene.Net.Tests.Facet: Switched to using the Assert class from the test 
framework instead of NUnit (#295, #261)
---
 src/Lucene.Net.Tests.Facet/FacetTestCase.cs        |  1 +
 .../Range/TestRangeFacetCounts.cs                  |  1 +
 .../SortedSet/TestSortedSetDocValuesFacets.cs      | 21 ++++-----
 .../Taxonomy/Directory/TestAddTaxonomy.cs          |  1 +
 .../Directory/TestConcurrentFacetedIndexing.cs     |  1 +
 .../Directory/TestDirectoryTaxonomyReader.cs       |  1 +
 .../Directory/TestDirectoryTaxonomyWriter.cs       |  1 +
 .../Taxonomy/TestCachedOrdinalsReader.cs           |  1 +
 .../Taxonomy/TestFacetLabel.cs                     |  1 +
 .../Taxonomy/TestLRUHashMap.cs                     |  1 +
 .../Taxonomy/TestSearcherTaxonomyManager.cs        |  1 +
 .../Taxonomy/TestTaxonomyCombined.cs               |  1 +
 .../Taxonomy/TestTaxonomyFacetAssociations.cs      |  1 +
 .../Taxonomy/TestTaxonomyFacetCounts.cs            |  4 +-
 .../Taxonomy/TestTaxonomyFacetCounts2.cs           |  1 +
 .../Taxonomy/TestTaxonomyFacetSumValueSource.cs    | 49 +++++++++-----------
 .../Taxonomy/WriterCache/TestCharBlockArray.cs     |  1 +
 src/Lucene.Net.Tests.Facet/TestDrillDownQuery.cs   | 27 ++++++-----
 src/Lucene.Net.Tests.Facet/TestDrillSideways.cs    | 54 +++++++++++-----------
 src/Lucene.Net.Tests.Facet/TestFacetsConfig.cs     |  1 +
 .../TestMultipleIndexFields.cs                     |  3 +-
 .../TestRandomSamplingFacetsCollector.cs           | 26 +++++------
 22 files changed, 104 insertions(+), 95 deletions(-)

diff --git a/src/Lucene.Net.Tests.Facet/FacetTestCase.cs 
b/src/Lucene.Net.Tests.Facet/FacetTestCase.cs
index 08eeb9f..1cbb155 100644
--- a/src/Lucene.Net.Tests.Facet/FacetTestCase.cs
+++ b/src/Lucene.Net.Tests.Facet/FacetTestCase.cs
@@ -3,6 +3,7 @@ using NUnit.Framework;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet
diff --git a/src/Lucene.Net.Tests.Facet/Range/TestRangeFacetCounts.cs 
b/src/Lucene.Net.Tests.Facet/Range/TestRangeFacetCounts.cs
index 3a17613..50b17b9 100644
--- a/src/Lucene.Net.Tests.Facet/Range/TestRangeFacetCounts.cs
+++ b/src/Lucene.Net.Tests.Facet/Range/TestRangeFacetCounts.cs
@@ -4,6 +4,7 @@ using System.Diagnostics;
 using System.Collections;
 using System.Collections.Generic;
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet.Range
diff --git 
a/src/Lucene.Net.Tests.Facet/SortedSet/TestSortedSetDocValuesFacets.cs 
b/src/Lucene.Net.Tests.Facet/SortedSet/TestSortedSetDocValuesFacets.cs
index 3c17a44..9aa1dce 100644
--- a/src/Lucene.Net.Tests.Facet/SortedSet/TestSortedSetDocValuesFacets.cs
+++ b/src/Lucene.Net.Tests.Facet/SortedSet/TestSortedSetDocValuesFacets.cs
@@ -1,10 +1,7 @@
-using System;
-using System.Collections;
+using NUnit.Framework;
+using System;
 using System.Collections.Generic;
-using System.Linq;
-using Lucene.Net.Randomized;
-using Lucene.Net.Randomized.Generators;
-using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet.SortedSet
@@ -28,20 +25,20 @@ namespace Lucene.Net.Facet.SortedSet
      */
 
 
+    using Directory = Lucene.Net.Store.Directory;
     using Document = Lucene.Net.Documents.Document;
     using Field = Lucene.Net.Documents.Field;
     using IndexReader = Lucene.Net.Index.IndexReader;
+    using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IOUtils = Lucene.Net.Util.IOUtils;
+    using MatchAllDocsQuery = Lucene.Net.Search.MatchAllDocsQuery;
     using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
     using SlowCompositeReaderWrapper = 
Lucene.Net.Index.SlowCompositeReaderWrapper;
     using Term = Lucene.Net.Index.Term;
-    using IndexSearcher = Lucene.Net.Search.IndexSearcher;
-    using MatchAllDocsQuery = Lucene.Net.Search.MatchAllDocsQuery;
     using TermQuery = Lucene.Net.Search.TermQuery;
-    using TopDocs = Lucene.Net.Search.TopDocs;
-    using Directory = Lucene.Net.Store.Directory;
-    using IOUtils = Lucene.Net.Util.IOUtils;
     using TestUtil = Lucene.Net.Util.TestUtil;
-    
+    using TopDocs = Lucene.Net.Search.TopDocs;
+
     [TestFixture]
     public class TestSortedSetDocValuesFacets : FacetTestCase
     {
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestAddTaxonomy.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestAddTaxonomy.cs
index bd30b65..a7b0ebe 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestAddTaxonomy.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestAddTaxonomy.cs
@@ -3,6 +3,7 @@ using J2N.Threading.Atomic;
 using NUnit.Framework;
 using System;
 using System.IO;
+using Assert = Lucene.Net.TestFramework.Assert;
 using JCG = J2N.Collections.Generic;
 
 namespace Lucene.Net.Facet.Taxonomy.Directory
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestConcurrentFacetedIndexing.cs
 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestConcurrentFacetedIndexing.cs
index 59a9076..d71225c 100644
--- 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestConcurrentFacetedIndexing.cs
+++ 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestConcurrentFacetedIndexing.cs
@@ -3,6 +3,7 @@ using System;
 using System.Collections.Concurrent;
 using System.IO;
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 using J2N.Threading;
 
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyReader.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyReader.cs
index 1f6e26a..0909d9f 100644
--- 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyReader.cs
+++ 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyReader.cs
@@ -1,6 +1,7 @@
 using Lucene.Net.Index.Extensions;
 using NUnit.Framework;
 using System;
+using Assert = Lucene.Net.TestFramework.Assert;
 using JCG = J2N.Collections.Generic;
 
 namespace Lucene.Net.Facet.Taxonomy.Directory
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyWriter.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyWriter.cs
index b1eaa3e..b134ae1 100644
--- 
a/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyWriter.cs
+++ 
b/src/Lucene.Net.Tests.Facet/Taxonomy/Directory/TestDirectoryTaxonomyWriter.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet.Taxonomy.Directory
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestCachedOrdinalsReader.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestCachedOrdinalsReader.cs
index 6914b6e..b9d65b9 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestCachedOrdinalsReader.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestCachedOrdinalsReader.cs
@@ -2,6 +2,7 @@
 using NUnit.Framework;
 using System;
 using System.IO;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestFacetLabel.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestFacetLabel.cs
index ef5b5b1..8aaaa93 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestFacetLabel.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestFacetLabel.cs
@@ -1,6 +1,7 @@
 using System;
 using Lucene.Net.Support;
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestLRUHashMap.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestLRUHashMap.cs
index e19a900..84eb441 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestLRUHashMap.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestLRUHashMap.cs
@@ -1,4 +1,5 @@
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestSearcherTaxonomyManager.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestSearcherTaxonomyManager.cs
index 9e848a2..36a93fb 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestSearcherTaxonomyManager.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestSearcherTaxonomyManager.cs
@@ -9,6 +9,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Threading;
 using JCG = J2N.Collections.Generic;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet.Taxonomy
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyCombined.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyCombined.cs
index 2a96413..27c8be9 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyCombined.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyCombined.cs
@@ -7,6 +7,7 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Threading;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetAssociations.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetAssociations.cs
index 35c40db..3bff8a2 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetAssociations.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetAssociations.cs
@@ -1,4 +1,5 @@
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts.cs
index 59f1b1b..aeeee70 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts.cs
@@ -4,6 +4,8 @@ using NUnit.Framework;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 using JCG = J2N.Collections.Generic;
 
@@ -27,8 +29,6 @@ namespace Lucene.Net.Facet.Taxonomy
      * limitations under the License.
      */
 
-
-    using System.Text;
     using DefaultSimilarity = Lucene.Net.Search.Similarities.DefaultSimilarity;
     using DirectoryReader = Lucene.Net.Index.DirectoryReader;
     using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
diff --git a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts2.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts2.cs
index aca39cd..dba7829 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts2.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetCounts2.cs
@@ -3,6 +3,7 @@ using Lucene.Net.Support;
 using NUnit.Framework;
 using System;
 using System.Collections.Generic;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy
 {
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetSumValueSource.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetSumValueSource.cs
index 319d61a..6d35016 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetSumValueSource.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/TestTaxonomyFacetSumValueSource.cs
@@ -1,10 +1,9 @@
 using System;
-using System.Diagnostics;
 using System.Collections;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
-using System.Linq;
-using Lucene.Net.Randomized.Generators;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
 
 namespace Lucene.Net.Facet.Taxonomy
@@ -28,40 +27,38 @@ namespace Lucene.Net.Facet.Taxonomy
      */
 
 
-    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
-    using Document = Lucene.Net.Documents.Document;
-    using Field = Lucene.Net.Documents.Field;
-    using SingleDocValuesField = Lucene.Net.Documents.SingleDocValuesField;
-    using Int32Field = Lucene.Net.Documents.Int32Field;
-    using NumericDocValuesField = Lucene.Net.Documents.NumericDocValuesField;
-    using StringField = Lucene.Net.Documents.StringField;
-    using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
-    using DirectoryTaxonomyWriter = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter;
+    using NUnit.Framework;
     using AtomicReaderContext = Lucene.Net.Index.AtomicReaderContext;
+    using ConstantScoreQuery = Lucene.Net.Search.ConstantScoreQuery;
     using DirectoryReader = Lucene.Net.Index.DirectoryReader;
-    using IndexWriter = Lucene.Net.Index.IndexWriter;
-    using IndexWriterConfig = Lucene.Net.Index.IndexWriterConfig;
-    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
-    using Term = Lucene.Net.Index.Term;
+    using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
+    using DirectoryTaxonomyWriter = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter;
+    using Document = Lucene.Net.Documents.Document;
+    using DoubleDocValues = 
Lucene.Net.Queries.Function.DocValues.DoubleDocValues;
+    using Field = Lucene.Net.Documents.Field;
     using FunctionQuery = Lucene.Net.Queries.Function.FunctionQuery;
     using FunctionValues = Lucene.Net.Queries.Function.FunctionValues;
-    using ValueSource = Lucene.Net.Queries.Function.ValueSource;
-    using DoubleDocValues = 
Lucene.Net.Queries.Function.DocValues.DoubleDocValues;
-    using SingleFieldSource = 
Lucene.Net.Queries.Function.ValueSources.SingleFieldSource;
+    using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IndexWriter = Lucene.Net.Index.IndexWriter;
+    using Int32Field = Lucene.Net.Documents.Int32Field;
     using Int32FieldSource = 
Lucene.Net.Queries.Function.ValueSources.Int32FieldSource;
     using Int64FieldSource = 
Lucene.Net.Queries.Function.ValueSources.Int64FieldSource;
-    using ConstantScoreQuery = Lucene.Net.Search.ConstantScoreQuery;
-    using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IOUtils = Lucene.Net.Util.IOUtils;
     using MatchAllDocsQuery = Lucene.Net.Search.MatchAllDocsQuery;
+    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
+    using NumericDocValuesField = Lucene.Net.Documents.NumericDocValuesField;
+    using OpenMode = Lucene.Net.Index.OpenMode;
     using Query = Lucene.Net.Search.Query;
+    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
     using Scorer = Lucene.Net.Search.Scorer;
+    using SingleDocValuesField = Lucene.Net.Documents.SingleDocValuesField;
+    using SingleFieldSource = 
Lucene.Net.Queries.Function.ValueSources.SingleFieldSource;
+    using StringField = Lucene.Net.Documents.StringField;
+    using Term = Lucene.Net.Index.Term;
     using TermQuery = Lucene.Net.Search.TermQuery;
-    using TopDocs = Lucene.Net.Search.TopDocs;
-    using Directory = Lucene.Net.Store.Directory;
-    using IOUtils = Lucene.Net.Util.IOUtils;
     using TestUtil = Lucene.Net.Util.TestUtil;
-    using OpenMode = Lucene.Net.Index.OpenMode;
-    using NUnit.Framework;
+    using TopDocs = Lucene.Net.Search.TopDocs;
+    using ValueSource = Lucene.Net.Queries.Function.ValueSource;
     [TestFixture]
     public class TestTaxonomyFacetSumValueSource : FacetTestCase
     {
diff --git 
a/src/Lucene.Net.Tests.Facet/Taxonomy/WriterCache/TestCharBlockArray.cs 
b/src/Lucene.Net.Tests.Facet/Taxonomy/WriterCache/TestCharBlockArray.cs
index bd98b75..b291ff7 100644
--- a/src/Lucene.Net.Tests.Facet/Taxonomy/WriterCache/TestCharBlockArray.cs
+++ b/src/Lucene.Net.Tests.Facet/Taxonomy/WriterCache/TestCharBlockArray.cs
@@ -2,6 +2,7 @@
 using NUnit.Framework;
 using System.IO;
 using System.Text;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet.Taxonomy.WriterCache
 {
diff --git a/src/Lucene.Net.Tests.Facet/TestDrillDownQuery.cs 
b/src/Lucene.Net.Tests.Facet/TestDrillDownQuery.cs
index f6ee4b1..e2b5be7 100644
--- a/src/Lucene.Net.Tests.Facet/TestDrillDownQuery.cs
+++ b/src/Lucene.Net.Tests.Facet/TestDrillDownQuery.cs
@@ -1,7 +1,6 @@
-using System;
-using System.Diagnostics;
-using Lucene.Net.Randomized.Generators;
-using NUnit.Framework;
+using NUnit.Framework;
+using System;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet
 {
@@ -24,26 +23,26 @@ namespace Lucene.Net.Facet
      */
 
 
-    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
-    using MockTokenizer = Lucene.Net.Analysis.MockTokenizer;
-    using Document = Lucene.Net.Documents.Document;
-    using Field = Lucene.Net.Documents.Field;
-    using TextField = Lucene.Net.Documents.TextField;
-    using ITaxonomyWriter = Lucene.Net.Facet.Taxonomy.ITaxonomyWriter;
+    using Directory = Lucene.Net.Store.Directory;
     using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
     using DirectoryTaxonomyWriter = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter;
+    using Document = Lucene.Net.Documents.Document;
+    using Field = Lucene.Net.Documents.Field;
     using IndexReader = Lucene.Net.Index.IndexReader;
-    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
-    using Term = Lucene.Net.Index.Term;
     using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IOUtils = Lucene.Net.Util.IOUtils;
+    using ITaxonomyWriter = Lucene.Net.Facet.Taxonomy.ITaxonomyWriter;
     using MatchAllDocsQuery = Lucene.Net.Search.MatchAllDocsQuery;
+    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
+    using MockTokenizer = Lucene.Net.Analysis.MockTokenizer;
     using Query = Lucene.Net.Search.Query;
     using QueryUtils = Lucene.Net.Search.QueryUtils;
+    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
     using ScoreDoc = Lucene.Net.Search.ScoreDoc;
+    using Term = Lucene.Net.Index.Term;
     using TermQuery = Lucene.Net.Search.TermQuery;
+    using TextField = Lucene.Net.Documents.TextField;
     using TopDocs = Lucene.Net.Search.TopDocs;
-    using Directory = Lucene.Net.Store.Directory;
-    using IOUtils = Lucene.Net.Util.IOUtils;
 
     [TestFixture]
     public class TestDrillDownQuery : FacetTestCase
diff --git a/src/Lucene.Net.Tests.Facet/TestDrillSideways.cs 
b/src/Lucene.Net.Tests.Facet/TestDrillSideways.cs
index 8ea3ad9..2dbf94f 100644
--- a/src/Lucene.Net.Tests.Facet/TestDrillSideways.cs
+++ b/src/Lucene.Net.Tests.Facet/TestDrillSideways.cs
@@ -1,11 +1,14 @@
 using J2N.Text;
+using Lucene.Net.Search;
 using Lucene.Net.Support;
+using NUnit.Framework;
 using System;
-using System.Diagnostics;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
-using JCG = J2N.Collections.Generic;
+using Assert = Lucene.Net.TestFramework.Assert;
 using Console = Lucene.Net.Util.SystemConsole;
+using JCG = J2N.Collections.Generic;
 
 namespace Lucene.Net.Facet
 {
@@ -28,44 +31,43 @@ namespace Lucene.Net.Facet
      */
 
 
-    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
-    using Document = Lucene.Net.Documents.Document;
-    using Field = Lucene.Net.Documents.Field;
-    using StringField = Lucene.Net.Documents.StringField;
+    using AtomicReaderContext = Lucene.Net.Index.AtomicReaderContext;
+    using BytesRef = Lucene.Net.Util.BytesRef;
     using DefaultSortedSetDocValuesReaderState = 
Lucene.Net.Facet.SortedSet.DefaultSortedSetDocValuesReaderState;
-    using SortedSetDocValuesFacetField = 
Lucene.Net.Facet.SortedSet.SortedSetDocValuesFacetField;
-    using SortedSetDocValuesReaderState = 
Lucene.Net.Facet.SortedSet.SortedSetDocValuesReaderState;
-    using TaxonomyReader = Lucene.Net.Facet.Taxonomy.TaxonomyReader;
+    using Directory = Lucene.Net.Store.Directory;
     using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
     using DirectoryTaxonomyWriter = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter;
-    using AtomicReaderContext = Lucene.Net.Index.AtomicReaderContext;
-    using IndexReader = Lucene.Net.Index.IndexReader;
-    using IndexWriterConfig = Lucene.Net.Index.IndexWriterConfig;
-    using OpenMode = Lucene.Net.Index.OpenMode;
-    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
-    using Term = Lucene.Net.Index.Term;
-    using ICollector = Lucene.Net.Search.ICollector;
     using DocIdSet = Lucene.Net.Search.DocIdSet;
+    using Document = Lucene.Net.Documents.Document;
+    using Field = Lucene.Net.Documents.Field;
     using Filter = Lucene.Net.Search.Filter;
+    using FixedBitSet = Lucene.Net.Util.FixedBitSet;
+    using IBits = Lucene.Net.Util.IBits;
+    using ICollector = Lucene.Net.Search.ICollector;
+    using IndexReader = Lucene.Net.Index.IndexReader;
     using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IndexWriterConfig = Lucene.Net.Index.IndexWriterConfig;
+    using InfoStream = Lucene.Net.Util.InfoStream;
+    using InPlaceMergeSorter = Lucene.Net.Util.InPlaceMergeSorter;
+    using IOUtils = Lucene.Net.Util.IOUtils;
     using MatchAllDocsQuery = Lucene.Net.Search.MatchAllDocsQuery;
+    using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer;
+    using OpenMode = Lucene.Net.Index.OpenMode;
     using Query = Lucene.Net.Search.Query;
+    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
     using ScoreDoc = Lucene.Net.Search.ScoreDoc;
     using Scorer = Lucene.Net.Search.Scorer;
     using Sort = Lucene.Net.Search.Sort;
+    using SortedSetDocValuesFacetField = 
Lucene.Net.Facet.SortedSet.SortedSetDocValuesFacetField;
+    using SortedSetDocValuesReaderState = 
Lucene.Net.Facet.SortedSet.SortedSetDocValuesReaderState;
     using SortField = Lucene.Net.Search.SortField;
+    using StringField = Lucene.Net.Documents.StringField;
+    using TaxonomyReader = Lucene.Net.Facet.Taxonomy.TaxonomyReader;
+    using Term = Lucene.Net.Index.Term;
     using TermQuery = Lucene.Net.Search.TermQuery;
-    using TopDocs = Lucene.Net.Search.TopDocs;
-    using Directory = Lucene.Net.Store.Directory;
-    using IBits = Lucene.Net.Util.IBits;
-    using BytesRef = Lucene.Net.Util.BytesRef;
-    using FixedBitSet = Lucene.Net.Util.FixedBitSet;
-    using IOUtils = Lucene.Net.Util.IOUtils;
-    using InPlaceMergeSorter = Lucene.Net.Util.InPlaceMergeSorter;
-    using InfoStream = Lucene.Net.Util.InfoStream;
     using TestUtil = Lucene.Net.Util.TestUtil;
-    using NUnit.Framework;
-    using Search;
+    using TopDocs = Lucene.Net.Search.TopDocs;
+
 
     [TestFixture]
     public class TestDrillSideways : FacetTestCase
diff --git a/src/Lucene.Net.Tests.Facet/TestFacetsConfig.cs 
b/src/Lucene.Net.Tests.Facet/TestFacetsConfig.cs
index 563ee8d..855a09b 100644
--- a/src/Lucene.Net.Tests.Facet/TestFacetsConfig.cs
+++ b/src/Lucene.Net.Tests.Facet/TestFacetsConfig.cs
@@ -1,5 +1,6 @@
 using Lucene.Net.Support;
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet
 {
diff --git a/src/Lucene.Net.Tests.Facet/TestMultipleIndexFields.cs 
b/src/Lucene.Net.Tests.Facet/TestMultipleIndexFields.cs
index ced846f..352e39b 100644
--- a/src/Lucene.Net.Tests.Facet/TestMultipleIndexFields.cs
+++ b/src/Lucene.Net.Tests.Facet/TestMultipleIndexFields.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using NUnit.Framework;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet
 {
@@ -272,7 +273,7 @@ namespace Lucene.Net.Facet
         
         private void AssertCorrectResults(Facets facets)
         {
-            Assert.AreEqual(5, facets.GetSpecificValue("Band"));
+            Assert.AreEqual(5, facets.GetSpecificValue("Band"), 0);
             Assert.AreEqual("dim=Band path=[] value=5 childCount=2\n  Rock & 
Pop (4)\n  Punk (1)\n", facets.GetTopChildren(10, "Band").ToString());
             Assert.AreEqual("dim=Band path=[Rock & Pop] value=4 childCount=4\n 
 The Beatles (1)\n  U2 (1)\n  REM (1)\n  Dave Matthews Band (1)\n", 
facets.GetTopChildren(10, "Band", "Rock & Pop").ToString());
             Assert.AreEqual("dim=Author path=[] value=3 childCount=3\n  Mark 
Twain (1)\n  Stephen King (1)\n  Kurt Vonnegut (1)\n", 
facets.GetTopChildren(10, "Author").ToString());
diff --git a/src/Lucene.Net.Tests.Facet/TestRandomSamplingFacetsCollector.cs 
b/src/Lucene.Net.Tests.Facet/TestRandomSamplingFacetsCollector.cs
index a4e1f19..c709764 100644
--- a/src/Lucene.Net.Tests.Facet/TestRandomSamplingFacetsCollector.cs
+++ b/src/Lucene.Net.Tests.Facet/TestRandomSamplingFacetsCollector.cs
@@ -1,26 +1,24 @@
-using System;
-using System.Diagnostics;
-using Lucene.Net.Randomized.Generators;
-using NUnit.Framework;
+using NUnit.Framework;
+using System;
+using Assert = Lucene.Net.TestFramework.Assert;
 
 namespace Lucene.Net.Facet
 {
 
-    using Document = Lucene.Net.Documents.Document;
-    using Store = Lucene.Net.Documents.Field.Store;
-    using StringField = Lucene.Net.Documents.StringField;
-    using MatchingDocs = Lucene.Net.Facet.FacetsCollector.MatchingDocs;
-    using FastTaxonomyFacetCounts = 
Lucene.Net.Facet.Taxonomy.FastTaxonomyFacetCounts;
-    using TaxonomyReader = Lucene.Net.Facet.Taxonomy.TaxonomyReader;
+    using Directory = Lucene.Net.Store.Directory;
     using DirectoryTaxonomyReader = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader;
     using DirectoryTaxonomyWriter = 
Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter;
-    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
-    using Term = Lucene.Net.Index.Term;
+    using Document = Lucene.Net.Documents.Document;
+    using FastTaxonomyFacetCounts = 
Lucene.Net.Facet.Taxonomy.FastTaxonomyFacetCounts;
     using IndexSearcher = Lucene.Net.Search.IndexSearcher;
+    using IOUtils = Lucene.Net.Util.IOUtils;
+    using MatchingDocs = Lucene.Net.Facet.FacetsCollector.MatchingDocs;
     using MultiCollector = Lucene.Net.Search.MultiCollector;
+    using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter;
+    using Store = Lucene.Net.Documents.Field.Store;
+    using StringField = Lucene.Net.Documents.StringField;
+    using Term = Lucene.Net.Index.Term;
     using TermQuery = Lucene.Net.Search.TermQuery;
-    using Directory = Lucene.Net.Store.Directory;
-    using IOUtils = Lucene.Net.Util.IOUtils;
 
     /*
      * Licensed to the Apache Software Foundation (ASF) under one or more

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