Convert CSharpWhitespaceHandlingTest to use baselines.

#2263

Author: N. Taylor Mullen

test/Microsoft.AspNetCore.Razor.Language.Test/Legacy/CSharpWhitespaceHandlingTest.cs

@@ -8,27 +8,15 @@ namespace Microsoft.AspNetCore.Razor.Language.Legacy
 {
     public class CSharpWhitespaceHandlingTest : CsHtmlMarkupParserTestBase
     {
+        public CSharpWhitespaceHandlingTest()
+        {
+            UseBaselineTests = true;
+        }
+
         [Fact]
         public void StatementBlockDoesNotAcceptTrailingNewlineIfNewlinesAreSignificantToAncestor()
         {
-            ParseBlockTest("@: @if (true) { }" + Environment.NewLine
-                         + "}",
-                           new MarkupBlock(
-                               Factory.MarkupTransition()
-                                   .Accepts(AcceptedCharactersInternal.None),
-                               Factory.MetaMarkup(":", HtmlSymbolType.Colon),
-                               Factory.Markup(" ")
-                                   .With(new SpanEditHandler(
-                                       CSharpLanguageCharacteristics.Instance.TokenizeString,
-                                       AcceptedCharactersInternal.Any)),
-                               new StatementBlock(
-                                   Factory.CodeTransition()
-                                       .Accepts(AcceptedCharactersInternal.None),
-                                   Factory.Code("if (true) { }")
-                                       .AsStatement()
-                                   ),
-                               Factory.Markup(Environment.NewLine)
-                                   .Accepts(AcceptedCharactersInternal.None)));
+            ParseBlockTest("@: @if (true) { }" + Environment.NewLine + "}");
         }
     }
 }

test/Microsoft.AspNetCore.Razor.Language.Test/TestFiles/ParserTests/CSharpWhitespaceHandlingTest/StatementBlockDoesNotAcceptTrailingNewlineIfNewlinesAreSignificantToAncestor.syntaxtree.txt

@@ -0,0 +1,22 @@
+Markup block - Gen<None> - 19 - (0:0,0)
+    Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (0:0,0) - Symbols:1
+        HtmlSymbolType.Transition;[@];
+    MetaCode span - Gen<None> - [:] - SpanEditHandler;Accepts:Any - (1:0,1) - Symbols:1
+        HtmlSymbolType.Colon;[:];
+    Markup span - Gen<Markup> - [ ] - SpanEditHandler;Accepts:Any - (2:0,2) - Symbols:1
+        HtmlSymbolType.WhiteSpace;[ ];
+    Statement block - Gen<None> - 14 - (3:0,3)
+        Transition span - Gen<None> - [@] - SpanEditHandler;Accepts:None - (3:0,3) - Symbols:1
+            CSharpSymbolType.Transition;[@];
+        Code span - Gen<Stmt> - [if (true) { }] - SpanEditHandler;Accepts:Any - (4:0,4) - Symbols:9
+            CSharpSymbolType.Keyword;[if];
+            CSharpSymbolType.WhiteSpace;[ ];
+            CSharpSymbolType.LeftParenthesis;[(];
+            CSharpSymbolType.Keyword;[true];
+            CSharpSymbolType.RightParenthesis;[)];
+            CSharpSymbolType.WhiteSpace;[ ];
+            CSharpSymbolType.LeftBrace;[{];
+            CSharpSymbolType.WhiteSpace;[ ];
+            CSharpSymbolType.RightBrace;[}];
+    Markup span - Gen<Markup> - [LF] - SpanEditHandler;Accepts:None - (17:0,17) - Symbols:1
+        HtmlSymbolType.NewLine;[LF];