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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Routing;
using System.Web.WebPages;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ViewStartPageTest
{
[Fact]
public void Html_DelegatesToChildPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
var viewPage = new Mock<WebViewPage>() { CallBase = true };
var helper = new HtmlHelper<object>(new ViewContext() { ViewData = new ViewDataDictionary() }, viewPage.Object, new RouteCollection());
viewPage.Object.Html = helper;
viewStart.ChildPage = viewPage.Object;
// Act
var result = viewStart.Html;
// Assert
Assert.Same(helper, result);
}
[Fact]
public void Url_DelegatesToChildPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
var viewPage = new Mock<WebViewPage>() { CallBase = true };
var helper = new UrlHelper(new RequestContext());
viewPage.Object.Url = helper;
viewStart.ChildPage = viewPage.Object;
// Act
var result = viewStart.Url;
// Assert
Assert.Same(helper, result);
}
[Fact]
public void ViewContext_DelegatesToChildPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
var viewPage = new Mock<WebViewPage>() { CallBase = true };
var viewContext = new ViewContext();
viewPage.Object.ViewContext = viewContext;
viewStart.ChildPage = viewPage.Object;
// Act
var result = viewStart.ViewContext;
// Assert
Assert.Same(viewContext, result);
}
[Fact]
public void ViewStartPageChild_ThrowsOnNonMvcChildPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
viewStart.ChildPage = new Mock<WebPage>().Object;
// Act + Assert
Assert.Throws<InvalidOperationException>(delegate() { var c = viewStart.ViewStartPageChild; }, "A ViewStartPage can be used only with with a page that derives from WebViewPage or another ViewStartPage.");
}
[Fact]
public void ViewStartPageChild_WorksWithWebViewPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
var viewPage = new Mock<WebViewPage>();
viewStart.ChildPage = viewPage.Object;
// Act
var result = viewStart.ViewStartPageChild;
// Assert
Assert.Same(viewPage.Object, result);
}
[Fact]
public void ViewStartPageChild_WorksWithAnotherRazorStartPage()
{
// Arrange
MockViewStartPage viewStart = new MockViewStartPage();
var anotherViewStart = new Mock<ViewStartPage>();
viewStart.ChildPage = anotherViewStart.Object;
// Act
var result = viewStart.ViewStartPageChild;
// Assert
Assert.Same(anotherViewStart.Object, result);
}
class MockViewStartPage : ViewStartPage
{
public override void Execute()
{
}
}
}
}
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