public void MonikerRangeTestNotClosed() { //arange var source1 = @"::: moniker range=""start"""; var source2 = @"::: moniker range=""start"" ::: moniker-end"; // assert var expected = @"<div range=""start""> </div> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source2, TestUtility.MarkupWithoutSourceInfo); Assert.Empty(listener.Items); TestUtility.AssertEqual(expected, source1, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("No \"::: moniker-end\" found for \"start\", MonikerRange does not end explictly.", listener.Items[0].Message); }
public void PermitsNestedBlocks() { var source = @"::: zone target=""chromeless"" * foo * bar * baz ::: zone-end "; var expected = @"<div class=""zone has-target"" data-target=""chromeless""> <ul> <li>foo</li> <li>bar</li> <li>baz</li> </ul> </div> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Empty(listener.Items); }
public void TripleColonWithInMonikerTestBlockUnClosed() { var source = new StringBuilder() .AppendLine("::: moniker range=\"chromeless\"") .AppendLine("::: zone target=\"docs\"") .AppendLine("## Alt text") .AppendLine("::: moniker-end") .ToString(); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { var service = TestUtility.CreateMarkdownService(); var document = service.Parse(source, "fakepath.md"); var monikerBlock = document.OfType <MonikerRangeBlock>().FirstOrDefault(); Assert.NotNull(monikerBlock); var nestedZoneBlock = monikerBlock.OfType <TripleColonBlock>().FirstOrDefault(); Assert.NotNull(nestedZoneBlock); Assert.False(nestedZoneBlock.Closed); } Logger.UnregisterListener(listener); }
private string Markup(string content, IMarkdownObjectRewriter rewriter, TestLoggerListener listener = null) { var pipelineBuilder = new MarkdownPipelineBuilder(); var documentRewriter = new MarkdownDocumentVisitor(rewriter); pipelineBuilder.DocumentProcessed += document => { ValidationExtension.SetSchemaName(document); documentRewriter.Visit(document); }; var pipeline = pipelineBuilder.Build(); if (listener != null) { Logger.RegisterListener(listener); } var html = Markdown.ToHtml(content, pipeline); if (listener != null) { Logger.UnregisterListener(listener); } return(html); }
public void TripleColonTestSelfClosing() { var source = @"::: zone target=""chromeless"" ::: form action=""create-resource"" submitText=""Create"" ::: ::: zone-end "; var expected = @"<div class=""zone has-target"" data-target=""chromeless""> <form class=""chromeless-form"" data-action=""create-resource""> <div></div> <button class=""button is-primary"" disabled=""disabled"" type=""submit"">Create</button> </form> </div> ".Replace("\r\n", "\n"); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); // Listener should have no error or warning message. Assert.Empty(listener.Items); }
public void MissingEndTag() { //arange var source1 = @"::: zone target=""chromeless"""; var source2 = @"::: zone target=""chromeless"" ::: zone-end"; // assert var expected = @"<div data-zone=""chromeless""> </div> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source2, TestUtility.MarkupWithoutSourceInfo); Assert.Empty(listener.Items); TestUtility.AssertEqual(expected, source1, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. No \"::: zone-end\" found. Blocks should be explicitly closed.", listener.Items[0].Message); }
public void ComplexImageTestBlockGeneral() { var source = @" :::image type=""icon"" source=""example.svg""::: :::image type=""complex"" source=""example.jpg"" alt-text=""example""::: Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. :::image-end::: :::image source=""example.jpg"" alt-text=""example""::: "; var expected = @"<img role=""presentation"" src=""example.svg""> <img alt=""example"" aria-describedby=""a00f6"" src=""example.jpg""> <div id=""a00f6"" class=""visually-hidden""> <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.</p> </div> <img alt=""example"" src=""example.jpg""> ".Replace("\r\n", "\n"); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); }
public void TestHtmlBlockTagNotInRelationValidation() { var content = @" <div class='a'> <i>x</i> <EM>y</EM> <h1> z <pre><code> a*b*c </code></pre> </h1> </div> <script>alert(1);</script>"; var builder = MarkdownValidatorBuilder.Create(null, null); builder.AddTagValidators(new[] { new MarkdownTagValidationRule { TagNames = new List <string> { "h1", "code", "pre", "div" }, MessageFormatter = "Invalid tag({0})!", Behavior = TagValidationBehavior.Error, OpeningTagOnly = true, Relation = TagRelation.NotIn } }); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(MarkdownValidatePhaseName); using (new LoggerPhaseScope(MarkdownValidatePhaseName)) { var html = Markup(content, builder.CreateRewriter(DefaultContext), listener); Assert.Equal(@"<div class='a'> <i>x</i> <EM>y</EM> <h1> z <pre><code> a*b*c </code></pre> </h1> </div> <script>alert(1);</script> ".Replace("\r\n", "\n"), html); } Assert.Equal(3, listener.Items.Count); Assert.Equal(new[] { "Invalid tag(i)!", "Invalid tag(EM)!", "Invalid tag(script)!" }, from item in listener.Items select item.Message); }
public void TestBlockLevelInclusion_CycleInclude() { var root = @" # Hello World Test Include File [!include[refa](a.md)] "; var refa = @" # Hello Include File A This is a file A included by another file. [!include[refb](b.md)] "; var refb = @" # Hello Include File B [!include[refa](a.md)] "; TestUtility.WriteToFile("r/root.md", root); TestUtility.WriteToFile("r/a.md", refa); TestUtility.WriteToFile("r/b.md", refb); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter("CircularReferenceTest"); Logger.RegisterListener(listener); using (new LoggerPhaseScope("CircularReferenceTest")) { var result = TestUtility.MarkupWithoutSourceInfo(root, "r/root.md"); var expected = @"<h1 id=""hello-world"">Hello World</h1> <p>Test Include File</p> <h1 id=""hello-include-file-a"">Hello Include File A</h1> <p>This is a file A included by another file.</p> <h1 id=""hello-include-file-b"">Hello Include File B</h1> [!include[refa](a.md)]"; Assert.Equal(expected.Replace("\r\n", "\n"), result.Html); } Logger.UnregisterListener(listener); Assert.Collection(listener.Items, log => Assert.Equal( "Build has identified file(s) referencing each other: 'r/root.md' --> '~/r/a.md' --> '~/r/b.md' --> '~/r/a.md'", log.Message)); }
public void ChromelessFormsAttributeValueRequired() { var content = @"::: form submitText :::"; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.MarkupWithoutSourceInfo(content); } Logger.UnregisterListener(listener); // Listener should have an error message and not output. Assert.NotEmpty(listener.Items.Where(x => x.Code == "invalid-form")); }
public void ImageWithIconTypeTestBlockGeneral() { var source = @":::image type=""icon"" source=""example.svg"":::"; var expected = @"<img role=""presentation"" src=""example.svg""> ".Replace("\r\n", "\n"); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); }
public void TripleColonTestBlockClosed() { var source = @"::: zone target=""chromeless"" ::: form action=""create-resource"" submitText=""Create"" ::: ::: zone-end "; var expected = @"<div class=""zone has-target"" data-target=""chromeless""> <form class=""chromeless-form"" data-action=""create-resource""> <div></div> <button class=""button is-primary"" disabled=""disabled"" type=""submit"">Create</button> </form> </div> ".Replace("\r\n", "\n"); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { var service = TestUtility.CreateMarkdownService(); var document = service.Parse(source, "fakepath.md"); var blocks = new List <TripleColonBlock>(); var stack = new Stack <ContainerBlock>(); stack.Push(document); // Get all triplecolon blocks in the document using a depth-first iterative tree traversal strategy. do { var block = stack.Pop(); var children = block.Where(x => x.GetType() == typeof(TripleColonBlock)).Select(x => x as TripleColonBlock); blocks.AddRange(children); foreach (var child in children) { stack.Push(child); } } while (stack.Count > 0); foreach (var block in blocks) { Assert.True(block.Closed); Assert.False(block.IsOpen); } } Logger.UnregisterListener(listener); }
public void PivotCommaDelimited() { //arange var source = @"::: zone pivot = ""a,b"" ::: zone-end"; // assert var expected = "<div data-pivot=\"a b\">\n</div>\n"; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Empty(listener.Items); }
public void ImageBlockTestBlockClosed() { var source = @":::image source=""example.jpg"" type=""complex"" alt-text=""example"":::Lorem Ipsum :::image-end:::"; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { var service = TestUtility.CreateMarkdownService(); var document = service.Parse(source, "fakepath.md"); var imageBlock = document.OfType <TripleColonBlock>().FirstOrDefault(); Assert.NotNull(imageBlock); Assert.True(imageBlock.Closed); } Logger.UnregisterListener(listener); }
public void RenderZoneTestInvalid() { //arange var source = @"::: zone render=""chromeless"; // assert var expected = @"<p>::: zone render="chromeless</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Zone render does not have ending character (\").", listener.Items[0].Message); }
public void NoOverlap() { //arange var content = @"::: zone target=""chromeless"" ::: moniker range=""start"" ::: zone-end ::: moniker-end "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.MarkupWithoutSourceInfo(content); } Logger.UnregisterListener(listener); Assert.Equal("Invalid zone on line 0. A zone cannot end before blocks nested within it have ended.", listener.Items.First(x => x.Code == "invalid-zone").Message); }
public void PdfPivotInvalid() { //arange var source = @"::: zone target = ""pdf"" pivot = ""foo"" "; // assert var expected = @"<p>::: zone target = "pdf" pivot = "foo"</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \"::: zone target = \"pdf\" pivot = \"foo\" \" is invalid. Pivot not permitted on pdf target.", listener.Items[0].Message); }
public void AttributeMissingClosingQuote() { //arange var source = @"::: zone target=""chromeless"; // assert var expected = @"<p>::: zone target="chromeless</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \"::: zone target=\"chromeless\" is invalid. Invalid attribute \"target\". Values must be terminated with a double quote.", listener.Items[0].Message); }
public void MonikerRangeTestInvalid() { //arange var source = @"::: moniker range=""azure-rest-1.0"; // assert var expected = @"<p>::: moniker range="azure-rest-1.0</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("MonikerRange does not have ending charactor (\").", listener.Items[0].Message); }
public void InvalidAttribute() { //arange var source = @"::: zone *=""pdf"""; // assert var expected = @"<p>::: zone *="pdf"</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \"::: zone *=\"pdf\"\" is invalid. Invalid attribute.", listener.Items[0].Message); }
public void DuplicateAttribute() { //arange var source = @"::: zone target=""pdf"" target=""docs"""; // assert var expected = @"<p>::: zone target="pdf" target="docs"</p> "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \"::: zone target=\"pdf\" target=\"docs\"\" is invalid. Attribute \"target\" specified multiple times.", listener.Items[0].Message); }
public void RenderZoneTestNotNested() { //arange var content = @"::: zone render=""chromeless"" ::: zone render=""pdf"" ::: zone-end ::: zone-end "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.MarkupWithoutSourceInfo(content); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Zone render cannot be nested.", listener.Items[0].Message); }
public void NotNested() { //arange var content = @"::: zone target=""chromeless"" ::: zone target=""pdf"" ::: zone-end ::: zone-end "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.MarkupWithoutSourceInfo(content); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 1. \"::: zone target=\"chromeless\"\r\n::: zone target=\"pdf\"\r\n::: zone-end\r\n::: zone-end\r\n\" is invalid. Zones cannot be nested.", listener.Items[0].Message); }
public void TextAfterEndTag() { //arange var source = @":::zone :::zone-end asdjklf"; // assert var expected = "<p>:::zone\n:::zone-end asdjklf</p>\n"; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \":::zone\r\n:::zone-end asdjklf\" is invalid. Either target or privot must be specified.", listener.Items[0].Message); }
public void PivotInvalid2() { //arange var source = @"::: zone pivot = ""a b"" ::: zone-end"; // assert var expected = "<p>::: zone pivot = "a b"\n::: zone-end</p>\n"; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { TestUtility.AssertEqual(expected, source, TestUtility.MarkupWithoutSourceInfo); } Logger.UnregisterListener(listener); Assert.Single(listener.Items); Assert.Equal("Invalid zone on line 0. \"::: zone pivot = \"a b\"\r\n::: zone-end\" is invalid. Invalid pivot \"a b\". Pivot must be a comma-delimited list of pivot names. Pivot names must be lower-case and contain only letters, numbers or dashes.", listener.Items[0].Message); }
public void ImageTestNotImageBlock() { var source = @":::row::: :::column::: This is where your content goes. :::column-end::: :::row-end::: "; var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(LoggerPhase); Logger.RegisterListener(listener); using (new LoggerPhaseScope(LoggerPhase)) { var service = TestUtility.CreateMarkdownService(); var document = service.Parse(source, "fakepath.md"); var imageBlock = document.OfType <TripleColonBlock>().FirstOrDefault(); Assert.Null(imageBlock); } Logger.UnregisterListener(listener); }
public void TestHtmlBlockTagValidation() { var content = @" <div class='a'> <i>x</i> <EM>y</EM> <h1> z <pre><code> a*b*c </code></pre> </h1> </div> <script>alert(1);</script>"; var builder = MarkdownValidatorBuilder.Create( null, new CompositionContainer( new ContainerConfiguration() .WithAssembly(typeof(ValidationTest).Assembly) .CreateContainer())); builder.AddTagValidators(new[] { new MarkdownTagValidationRule { TagNames = new List <string> { "em", "div" }, MessageFormatter = "Invalid tag({0})!", Behavior = TagValidationBehavior.Error, OpeningTagOnly = true, }, new MarkdownTagValidationRule { TagNames = new List <string> { "h1" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, }, new MarkdownTagValidationRule { TagNames = new List <string> { "script" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, OpeningTagOnly = true }, new MarkdownTagValidationRule { TagNames = new List <string> { "pre" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, } }); builder.AddValidators(new[] { new MarkdownValidationRule { ContractName = HtmlMarkdownObjectValidatorProvider.ContractName, } }); builder.LoadEnabledRulesProvider(); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(MarkdownValidatePhaseName); using (new LoggerPhaseScope(MarkdownValidatePhaseName)) { var html = Markup(content, builder.CreateRewriter(DefaultContext), listener); Assert.Equal(@"<div class='a'> <i>x</i> <EM>y</EM> <h1> z <pre><code> a*b*c </code></pre> </h1> </div> <script>alert(1);</script> ".Replace("\r\n", "\n"), html); } Assert.Equal(8, listener.Items.Count); Assert.Equal(new[] { "Html Tag!", "Invalid tag(div)!", "Invalid tag(EM)!", "Warning tag(h1)!", "Warning tag(pre)!", "Warning tag(pre)!", "Warning tag(h1)!", "Warning tag(script)!" }, from item in listener.Items select item.Message); }
public void TestHtmlInlineTagValidation() { var content = @"This is inline html: <div class='a'><i>x</i><EM>y</EM><h1>z<pre><code>a*b*c</code></pre></h1></div> <script>alert(1);</script> end."; var builder = MarkdownValidatorBuilder.Create( null, new CompositionContainer( new ContainerConfiguration() .WithAssembly(typeof(ValidationTest).Assembly) .CreateContainer())); builder.AddTagValidators(new[] { new MarkdownTagValidationRule { TagNames = new List <string> { "em", "div" }, MessageFormatter = "Invalid tag({0})!", Behavior = TagValidationBehavior.Error, OpeningTagOnly = true, }, new MarkdownTagValidationRule { TagNames = new List <string> { "h1" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, }, new MarkdownTagValidationRule { TagNames = new List <string> { "script" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, OpeningTagOnly = true }, new MarkdownTagValidationRule { TagNames = new List <string> { "pre" }, MessageFormatter = "Warning tag({0})!", Behavior = TagValidationBehavior.Warning, }, }); var listener = TestLoggerListener.CreateLoggerListenerWithPhaseEqualFilter(MarkdownValidatePhaseName); var html = Markup(content, builder.CreateRewriter(), listener); Assert.Equal(@"<p>This is inline html: <div class='a'><i>x</i><EM>y</EM><h1>z<pre><code>a<em>b</em>c</code></pre></h1></div></p> <script>alert(1);</script> end. ".Replace("\r\n", "\n"), html); Assert.Equal(7, listener.Items.Count); Assert.Equal(new[] { "Invalid tag(div)!", "Invalid tag(EM)!", "Warning tag(h1)!", "Warning tag(pre)!", "Warning tag(pre)!", "Warning tag(h1)!", "Warning tag(script)!" }, from item in listener.Items select item.Message); }