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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Web.WebPages.Resources;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.WebPages.Test
{
public class UtilTest
{
[Fact]
public void IsUnsupportedExtensionError()
{
Assert.False(BuildManagerExceptionUtil.IsUnsupportedExtensionError(new HttpException("The following file could not be rendered because its extension \".txt\" might not be supported: \"myfile.txt\".")));
var e = CompilationUtil.GetBuildProviderException(".txt");
Assert.NotNull(e);
Assert.True(BuildManagerExceptionUtil.IsUnsupportedExtensionError(e));
}
[Fact]
public void IsUnsupportedExtensionThrowsTest()
{
var extension = ".txt";
var virtualPath = "Layout.txt";
var e = CompilationUtil.GetBuildProviderException(extension);
Assert.Throws<HttpException>(
() => { BuildManagerExceptionUtil.ThrowIfUnsupportedExtension(virtualPath, e); }, String.Format(CultureInfo.CurrentCulture, WebPageResources.WebPage_FileNotSupported, extension, virtualPath));
}
[Fact]
public void CodeDomDefinedExtensionThrowsTest()
{
var extension = ".js";
var virtualPath = "Layout.js";
Assert.Throws<HttpException>(
() => { BuildManagerExceptionUtil.ThrowIfCodeDomDefinedExtension(virtualPath, new HttpCompileException()); }, String.Format(CultureInfo.CurrentCulture, WebPageResources.WebPage_FileNotSupported, extension, virtualPath));
}
[Fact]
public void CodeDomDefinedExtensionDoesNotThrowTest()
{
var virtualPath = "Layout.txt";
// Should not throw an exception
BuildManagerExceptionUtil.ThrowIfCodeDomDefinedExtension(virtualPath, new HttpCompileException());
}
}
// Dummy class to simulate exception from CompilationUtil.GetBuildProviderTypeFromExtension
internal class CompilationUtil : IVirtualPathFactory
{
/// <remarks>
/// The method that consumes this exception walks the stack trace and uses the class name and method name to uniquely identify an exception.
/// In release build, the method is inlined causing the call site to appear as the method GetBuildProviderException which causes the test to fail.
/// These attributes prevent the compiler from inlining this method.
/// </remarks>
[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.NoOptimization)]
public static void GetBuildProviderTypeFromExtension(string extension)
{
throw new HttpException(extension);
}
public static HttpException GetBuildProviderException(string extension)
{
try
{
GetBuildProviderTypeFromExtension(extension);
}
catch (HttpException e)
{
return e;
}
return null;
}
public bool Exists(string virtualPath)
{
string extension = PathUtil.GetExtension(virtualPath);
GetBuildProviderTypeFromExtension(extension);
return false;
}
public object CreateInstance(string virtualPath)
{
throw new NotSupportedException();
}
}
}
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