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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using Moq;
using Xunit;
namespace System.Web.Mvc.Test
{
public class HtmlHelper_1Test
{
[Fact]
public void StronglyTypedViewBagAndStronglyTypedViewDataStayInSync()
{
// Arrange
Mock<IViewDataContainer> viewDataContainer = new Mock<IViewDataContainer>();
ViewDataDictionary viewDataDictionary = new ViewDataDictionary() { { "A", 1 } };
viewDataContainer.Setup(container => container.ViewData).Returns(viewDataDictionary);
// Act
HtmlHelper<object> htmlHelper = new HtmlHelper<object>(new Mock<ViewContext>().Object, viewDataContainer.Object);
htmlHelper.ViewData["B"] = 2;
htmlHelper.ViewBag.C = 3;
// Assert
// Original ViewData should not be modified by redfined ViewData and ViewBag
Assert.Single((htmlHelper as HtmlHelper).ViewData.Keys);
Assert.Equal(1, (htmlHelper as HtmlHelper).ViewData["A"]);
Assert.Equal(1, (htmlHelper as HtmlHelper).ViewBag.A);
// Redefined ViewData and ViewBag should be in sync
Assert.Equal(3, htmlHelper.ViewData.Keys.Count);
Assert.Equal(1, htmlHelper.ViewData["A"]);
Assert.Equal(2, htmlHelper.ViewData["B"]);
Assert.Equal(3, htmlHelper.ViewData["C"]);
Assert.Equal(1, htmlHelper.ViewBag.A);
Assert.Equal(2, htmlHelper.ViewBag.B);
Assert.Equal(3, htmlHelper.ViewBag.C);
}
}
}
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