aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/Rendering/ViewContextTests.cs

46 lines
1.7 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc.
// All Rights Reserved
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
// NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing
// permissions and limitations under the License.
using Xunit;
namespace Microsoft.AspNet.Mvc.Rendering
{
public class ViewContextTests
{
[Fact]
public void SettingViewData_AlsoUpdatesViewBag()
{
// Arrange (eventually passing null to these consturctors will throw)
var context = new ViewContext(new ActionContext(null, null, null, null), view: null, viewData: null, writer: null);
var originalViewData = context.ViewData = new ViewDataDictionary(metadataProvider: null);
var replacementViewData = new ViewDataDictionary(metadataProvider: null);
// Act
context.ViewBag.Hello = "goodbye";
context.ViewData = replacementViewData;
context.ViewBag.Another = "property";
// Assert
Assert.NotSame(originalViewData, context.ViewData);
Assert.Same(replacementViewData, context.ViewData);
Assert.Null(context.ViewBag.Hello);
Assert.Equal("property", context.ViewBag.Another);
Assert.Equal("property", context.ViewData["Another"]);
}
}
}