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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.IO;
using System.Web.WebPages;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Helpers.Test
{
/// <summary>
///This is a test class for Util is intended
///to contain all HelperResult Unit Tests
///</summary>
public class HelperResultTest
{
[Fact]
public void HelperResultConstructorNullTest()
{
Assert.ThrowsArgumentNull(() => { var helper = new HelperResult(null); }, "action");
}
[Fact]
public void ToStringTest()
{
var text = "Hello";
Action<TextWriter> action = tw => tw.Write(text);
var helper = new HelperResult(action);
Assert.Equal(text, helper.ToString());
}
[Fact]
public void WriteToTest()
{
var text = "Hello";
Action<TextWriter> action = tw => tw.Write(text);
var helper = new HelperResult(action);
var writer = new StringWriter();
helper.WriteTo(writer);
Assert.Equal(text, writer.ToString());
}
[Fact]
public void ToHtmlStringDoesNotEncode()
{
// Arrange
string text = "<strong>This is a test & it uses html.</strong>";
Action<TextWriter> action = writer => writer.Write(text);
HelperResult helperResult = new HelperResult(action);
// Act
string result = helperResult.ToHtmlString();
// Assert
Assert.Equal(result, text);
}
[Fact]
public void ToHtmlStringReturnsSameResultAsWriteTo()
{
// Arrange
string text = "<strong>This is a test & it uses html.</strong>";
Action<TextWriter> action = writer => writer.Write(text);
HelperResult helperResult = new HelperResult(action);
StringWriter stringWriter = new StringWriter();
// Act
string htmlString = helperResult.ToHtmlString();
helperResult.WriteTo(stringWriter);
// Assert
Assert.Equal(htmlString, stringWriter.ToString());
}
}
}
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