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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Razor.Parser;
using System.Web.Razor.Parser.SyntaxTree;
using System.Web.Razor.Test.Framework;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Parser
{
public class WhitespaceRewriterTest
{
[Fact]
public void Constructor_Requires_NonNull_SymbolConverter()
{
Assert.ThrowsArgumentNull(() => new WhiteSpaceRewriter(null), "markupSpanFactory");
}
[Fact]
public void Rewrite_Moves_Whitespace_Preceeding_ExpressionBlock_To_Parent_Block()
{
// Arrange
var factory = SpanFactory.CreateCsHtml();
Block start = new MarkupBlock(
factory.Markup("test"),
new ExpressionBlock(
factory.Code(" ").AsExpression(),
factory.CodeTransition(SyntaxConstants.TransitionString),
factory.Code("foo").AsExpression()
),
factory.Markup("test")
);
WhiteSpaceRewriter rewriter = new WhiteSpaceRewriter(new HtmlMarkupParser().BuildSpan);
// Act
Block actual = rewriter.Rewrite(start);
factory.Reset();
// Assert
ParserTestBase.EvaluateParseTree(actual, new MarkupBlock(
factory.Markup("test"),
factory.Markup(" "),
new ExpressionBlock(
factory.CodeTransition(SyntaxConstants.TransitionString),
factory.Code("foo").AsExpression()
),
factory.Markup("test")
));
}
}
}
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