replaced Assert.That by Assert.AreEquals, Assert.IsTrue, Assert.Throws

Examples/ApiExamples/ApiExamples/ExBookmarks.cs

@@ -251,7 +251,7 @@ public void Remove()
             bookmarks.Clear();
 
             // The text that was inside the bookmarks is still present in the document.
-            Assert.That(bookmarks, Is.Empty);
+            Assert.AreEqual(0, bookmarks.Count);
             Assert.AreEqual("Text inside MyBookmark_1.\r" +
                             "Text inside MyBookmark_2.\r" +
                             "Text inside MyBookmark_3.\r" +

Examples/ApiExamples/ApiExamples/ExDigitalSignatureUtil.cs

@@ -67,8 +67,8 @@ public void Remove()
             }
 
             // Verify that both our output documents have no digital signatures.
-            Assert.That(DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromString.docx"), Is.Empty);
-            Assert.That(DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromStream.docx"), Is.Empty);
+            Assert.AreEqual(0, DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromString.docx").Count);
+            Assert.AreEqual(0, DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromStream.docx").Count);
             //ExEnd
         }
 
@@ -78,7 +78,7 @@ public void RemoveSignatures()
             DigitalSignatureUtil.RemoveAllSignatures(MyDir + "Digitally signed.odt",
                 ArtifactsDir + "DigitalSignatureUtil.RemoveSignatures.odt");
 
-            Assert.That(DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.RemoveSignatures.odt"), Is.Empty);
+            Assert.AreEqual(0, DigitalSignatureUtil.LoadSignatures(ArtifactsDir + "DigitalSignatureUtil.RemoveSignatures.odt").Count);
         }
 
         [Test]
@@ -196,9 +196,9 @@ public void IncorrectDecryptionPassword()
                 DecryptionPassword = "docPassword1"
             };
 
-            Assert.That(
+            Assert.Throws<IncorrectPasswordException>(
                 () => DigitalSignatureUtil.Sign(doc.OriginalFileName, outputFileName, certificateHolder, signOptions),
-                Throws.TypeOf<IncorrectPasswordException>(), "The document password is incorrect.");
+                "The document password is incorrect.");
         }
 
         [Test]
@@ -211,8 +211,8 @@ public void NoArgumentsForSing()
                 DecryptionPassword = string.Empty
             };
 
-            Assert.That(() => DigitalSignatureUtil.Sign(string.Empty, string.Empty, null, signOptions),
-                Throws.TypeOf<ArgumentException>());
+            Assert.Throws<ArgumentException>(
+                () => DigitalSignatureUtil.Sign(string.Empty, string.Empty, null, signOptions));
         }
 
         [Test]
@@ -228,8 +228,8 @@ public void NoCertificateForSign()
                 DecryptionPassword = "docPassword"
             };
 
-            Assert.That(() => DigitalSignatureUtil.Sign(doc.OriginalFileName, outputFileName, null, signOptions),
-                Throws.TypeOf<ArgumentNullException>());
+            Assert.Throws<ArgumentNullException>(
+                () => DigitalSignatureUtil.Sign(doc.OriginalFileName, outputFileName, null, signOptions));
         }
     }
 }

Examples/ApiExamples/ApiExamples/ExDocSaveOptions.cs

@@ -74,7 +74,7 @@ public void TempFolder()
             doc.Save(ArtifactsDir + "DocSaveOptions.TempFolder.doc", options);
 
             // The folder will persist with no residual contents from the load operation.
-            Assert.That(Directory.GetFiles(options.TempFolder), Is.Empty);
+            Assert.AreEqual(0, Directory.GetFiles(options.TempFolder).Length);
             //ExEnd
         }
 
@@ -175,9 +175,9 @@ public void AlwaysCompressMetafiles(bool compressAllMetafiles)
             var testedFileLength = new FileInfo(ArtifactsDir + "DocSaveOptions.AlwaysCompressMetafiles.docx").Length;
 
             if (compressAllMetafiles)
-                Assert.That(testedFileLength, Is.LessThan(14000));
+                Assert.IsTrue(testedFileLength < 14000);
             else
-                Assert.That(testedFileLength, Is.LessThan(22000));            
+                Assert.IsTrue(testedFileLength < 22000);
         }
     }
 }

Examples/ApiExamples/ApiExamples/ExDocument.cs

@@ -783,8 +783,7 @@ public void AppendDocumentFromAutomation()
             {
                 Document srcDoc = new Document();
 
-                Assert.That(() => srcDoc == new Document("C:\\DetailsList.doc"),
-                    Throws.TypeOf<FileNotFoundException>());
+                Assert.Throws<FileNotFoundException>(() => new Document("C:\\DetailsList.doc"));
 
                 // Append the source document at the end of the destination document.
                 doc.AppendDocument(srcDoc, ImportFormatMode.UseDestinationStyles);
@@ -795,8 +794,7 @@ public void AppendDocumentFromAutomation()
                 // Unlink all headers/footers in this section from the previous section headers/footers
                 // if this is the second document or above being appended.
                 if (i > 1)
-                    Assert.That(() => doc.Sections[i].HeadersFooters.LinkToPrevious(false),
-                        Throws.TypeOf<NullReferenceException>());
+                    Assert.Throws<NullReferenceException>(() => doc.Sections[i].HeadersFooters.LinkToPrevious(false));
             }
         }
 
@@ -1442,8 +1440,7 @@ public void CompareDocumentWithRevisions()
             docWithRevision.StartTrackRevisions("John Doe");
             builder.Writeln("This is a revision.");
 
-            Assert.That(() => docWithRevision.Compare(doc1, "John Doe", DateTime.Now),
-                Throws.TypeOf<InvalidOperationException>());
+            Assert.Throws<InvalidOperationException>(() => docWithRevision.Compare(doc1, "John Doe", DateTime.Now));
         }
 
         [Test]
@@ -1592,7 +1589,7 @@ public void TrackRevisions()
             Assert.AreEqual(1, doc.Revisions.Count);
             Assert.True(doc.FirstSection.Body.Paragraphs[0].Runs[1].IsInsertRevision);
             Assert.AreEqual("John Doe", doc.Revisions[0].Author);
-            Assert.That(doc.Revisions[0].DateTime, Is.EqualTo(DateTime.Now).Within(10).Milliseconds);
+            Assert.IsTrue((DateTime.Now - doc.Revisions[0].DateTime).Milliseconds <= 10);
 
             // Stop tracking revisions to not count any future edits as revisions.
             doc.StopTrackRevisions();
@@ -1759,9 +1756,8 @@ public void HyphenationOptionsDefaultValues()
         public void HyphenationZoneException()
         {
             Document doc = new Document();
-
-            Assert.That(() => doc.HyphenationOptions.HyphenationZone = 0,
-                Throws.TypeOf<ArgumentOutOfRangeException>());
+
+            Assert.Throws<ArgumentOutOfRangeException>(() => doc.HyphenationOptions.HyphenationZone = 0);
         }
 
         [Test]

Examples/ApiExamples/ApiExamples/ExDocumentBuilder.cs

@@ -204,13 +204,13 @@ public void HorizontalRuleFormatExceptions()
             HorizontalRuleFormat horizontalRuleFormat = shape.HorizontalRuleFormat;
             horizontalRuleFormat.WidthPercent = 1;
             horizontalRuleFormat.WidthPercent = 100;
-            Assert.That(() => horizontalRuleFormat.WidthPercent = 0, Throws.TypeOf<ArgumentOutOfRangeException>());
-            Assert.That(() => horizontalRuleFormat.WidthPercent = 101, Throws.TypeOf<ArgumentOutOfRangeException>());
+            Assert.Throws<ArgumentOutOfRangeException>(() => horizontalRuleFormat.WidthPercent = 0);
+            Assert.Throws<ArgumentOutOfRangeException>(() => horizontalRuleFormat.WidthPercent = 101);
 
             horizontalRuleFormat.Height = 0;
             horizontalRuleFormat.Height = 1584;
-            Assert.That(() => horizontalRuleFormat.Height = -1, Throws.TypeOf<ArgumentOutOfRangeException>());
-            Assert.That(() => horizontalRuleFormat.Height = 1585, Throws.TypeOf<ArgumentOutOfRangeException>());
+            Assert.Throws<ArgumentOutOfRangeException>(() => horizontalRuleFormat.Height = -1);
+            Assert.Throws<ArgumentOutOfRangeException>(() => horizontalRuleFormat.Height = 1585);
         }
 
         [Test]
@@ -2480,8 +2480,7 @@ public void InsertOleObjectException()
             Document doc = new Document();
             DocumentBuilder builder = new DocumentBuilder(doc);
 
-            Assert.That(() => builder.InsertOleObject("", "checkbox", false, true, null),
-                Throws.TypeOf<ArgumentException>());
+            Assert.Throws<ArgumentException>(() => builder.InsertOleObject("", "checkbox", false, true, null));
         }
 
         [Test]
@@ -2559,7 +2558,7 @@ public void InsertField()
             Assert.AreEqual("DATE \\@ \"dddd, MMMM dd, yyyy\"", field.GetFieldCode());
 
             // This overload of the InsertField method automatically updates inserted fields.
-            Assert.That(DateTime.Parse(field.Result), Is.EqualTo(DateTime.Today).Within(1).Days);
+            Assert.True((DateTime.Today - DateTime.Parse(field.Result)).Days <= 1);
             //ExEnd
         }
 

Examples/ApiExamples/ApiExamples/ExEditableRange.cs

@@ -270,7 +270,7 @@ public void IncorrectStructureException()
             DocumentBuilder builder = new DocumentBuilder(doc);
 
             // Assert that isn't valid structure for the current document.
-            Assert.That(() => builder.EndEditableRange(), Throws.TypeOf<InvalidOperationException>());
+            Assert.Throws<InvalidOperationException>(() => builder.EndEditableRange());
 
             builder.StartEditableRange();
         }

Examples/ApiExamples/ApiExamples/ExField.cs

@@ -406,9 +406,9 @@ public void InsertFieldWithFieldBuilderException()
 
             FieldBuilder fieldBuilder = new FieldBuilder(FieldType.FieldIncludeText);
 
-            Assert.That(
+            Assert.Throws<ArgumentException>(
                 () => fieldBuilder.AddArgument(argumentBuilder).AddArgument("=").AddArgument("BestField")
-                    .AddArgument(10).AddArgument(20.0).BuildAndInsert(run), Throws.TypeOf<ArgumentException>());
+                    .AddArgument(10).AddArgument(20.0).BuildAndInsert(run));
         }
 
         [Test]
@@ -1533,7 +1533,7 @@ public void FieldAutoText()
 
             doc = new Document(ArtifactsDir + "Field.AUTOTEXT.GLOSSARY.dotx");
 
-            Assert.That(doc.FieldOptions.BuiltInTemplatesPaths, Is.Empty);
+            Assert.AreEqual(0, doc.FieldOptions.BuiltInTemplatesPaths.Length);
 
             fieldAutoText = (FieldAutoText)doc.Range.Fields[0];
 
@@ -1678,7 +1678,7 @@ public void FieldGreetingLine()
 
             doc.MailMerge.Execute(table);
 
-            Assert.That(doc.Range.Fields, Is.Empty);
+            Assert.AreEqual(0, doc.Range.Fields.Count);
             Assert.AreEqual("Dear Mr. Doe,\r\r\tThis is your custom greeting, created programmatically using Aspose Words!\r" +
                             "\fDear Mrs. Cardholder,\r\r\tThis is your custom greeting, created programmatically using Aspose Words!\r" +
                             "\fDear Sir or Madam,\r\r\tThis is your custom greeting, created programmatically using Aspose Words!",
@@ -1844,7 +1844,7 @@ public void MergeField()
             Assert.AreEqual("Dear Mr. Doe:\u000cDear Mrs. Cardholder:", doc.GetText().Trim());
             //ExEnd
 
-            Assert.That(doc.Range.Fields, Is.Empty);
+            Assert.AreEqual(0, doc.Range.Fields.Count);
         }
 
         //ExStart
@@ -5105,7 +5105,7 @@ public void FieldDocVariable()
 
             // 2 -  Display a custom document variable:
             // Define a custom variable, then reference that variable with a DOCPROPERTY field.
-            Assert.That(doc.Variables, Is.Empty);
+            Assert.AreEqual(0, doc.Variables.Count);
             doc.Variables.Add("My variable", "My variable's value");
 
             FieldDocVariable fieldDocVariable = (FieldDocVariable)builder.InsertField(FieldType.FieldDocVariable, true);

Examples/ApiExamples/ApiExamples/ExFont.cs

@@ -161,9 +161,9 @@ public void FontInfoCollection(bool embedAllFonts)
             var testedFileLength = new FileInfo(ArtifactsDir + "Font.FontInfoCollection.docx").Length;
 
             if (embedAllFonts)
-                Assert.That(testedFileLength, Is.LessThan(28000));
+                Assert.IsTrue(testedFileLength < 28000);
             else
-                Assert.That(testedFileLength, Is.LessThan(13000));
+                Assert.IsTrue(testedFileLength < 13000);
         }
 
         [TestCase(true, false, false, Description =

Examples/ApiExamples/ApiExamples/ExFontSettings.cs

@@ -108,7 +108,7 @@ public void UpdatePageLayoutWarnings()
             // Even though the document was rendered previously, any save warnings are notified to the user during document save
             doc.Save(ArtifactsDir + "FontSettings.UpdatePageLayoutWarnings.pdf");
 
-            Assert.That(callback.FontWarnings.Count, Is.GreaterThan(0));
+            Assert.True(callback.FontWarnings.Count > 0);
             Assert.True(callback.FontWarnings[0].WarningType == WarningType.FontSubstitution);
             Assert.True(callback.FontWarnings[0].Description.Contains("has not been found"));
 
@@ -273,7 +273,7 @@ public void EnableFontSubstitution()
 
             substitutionWarningHandler.FontWarnings.Clear();
 
-            Assert.That(substitutionWarningHandler.FontWarnings, Is.Empty);
+            Assert.AreEqual(0, substitutionWarningHandler.FontWarnings.Count);
         }
 
         public class HandleDocumentSubstitutionWarnings : IWarningCallback

Examples/ApiExamples/ApiExamples/ExHtmlFixedSaveOptions.cs

@@ -353,7 +353,7 @@ public void PageMargins()
         public void PageMarginsException()
         {
             HtmlFixedSaveOptions saveOptions = new HtmlFixedSaveOptions();
-            Assert.That(() => saveOptions.PageMargins = -1, Throws.TypeOf<ArgumentException>());
+            Assert.Throws<ArgumentException>(() => saveOptions.PageMargins = -1);
         }
 
         [TestCase(false)]

Examples/ApiExamples/ApiExamples/ExHtmlSaveOptions.cs

@@ -94,35 +94,35 @@ public void ExportTextBoxAsSvgEpub(SaveFormat saveFormat, bool isTextBoxAsSvg)
 
                     dirFiles = Directory.GetFiles(ArtifactsDir, "HtmlSaveOptions.ExportTextBoxAsSvgEpub.001.png",
                         SearchOption.AllDirectories);
-                    Assert.That(dirFiles, Is.Empty);
+                    Assert.AreEqual(0, dirFiles.Length);
                     return;
 
                 case SaveFormat.Epub:
 
                     dirFiles = Directory.GetFiles(ArtifactsDir, "HtmlSaveOptions.ExportTextBoxAsSvgEpub.001.png",
                         SearchOption.AllDirectories);
-                    Assert.That(dirFiles, Is.Empty);
+                    Assert.AreEqual(0, dirFiles.Length);
                     return;
 
                 case SaveFormat.Mhtml:
 
                     dirFiles = Directory.GetFiles(ArtifactsDir, "HtmlSaveOptions.ExportTextBoxAsSvgEpub.001.png",
                         SearchOption.AllDirectories);
-                    Assert.That(dirFiles, Is.Empty);
+                    Assert.AreEqual(0, dirFiles.Length);
                     return;
 
                 case SaveFormat.Azw3:
 
                     dirFiles = Directory.GetFiles(ArtifactsDir, "HtmlSaveOptions.ExportTextBoxAsSvgEpub.001.png",
                         SearchOption.AllDirectories);
-                    Assert.That(dirFiles, Is.Empty);
+                    Assert.AreEqual(0, dirFiles.Length);
                     return;
 
                 case SaveFormat.Mobi:
 
                     dirFiles = Directory.GetFiles(ArtifactsDir, "HtmlSaveOptions.ExportTextBoxAsSvgEpub.001.png",
                         SearchOption.AllDirectories);
-                    Assert.That(dirFiles, Is.Empty);
+                    Assert.AreEqual(0, dirFiles.Length);
                     return;
             }
         }
@@ -1745,12 +1745,12 @@ public void ScaleImageToShapeSize(bool scaleImageToShapeSize)
 
             if (scaleImageToShapeSize)
 #if NET461_OR_GREATER || JAVA
-                Assert.That(testedImageLength, Is.LessThan(3000));
+                Assert.IsTrue(testedImageLength < 3000);
 #elif NET5_0_OR_GREATER
-                Assert.That(testedImageLength, Is.LessThan(6000));
+                Assert.IsTrue(testedImageLength < 6000);
 #endif
             else
-                Assert.That(testedImageLength, Is.LessThan(16000));
+                Assert.IsTrue(testedImageLength < 16000);
 
         }