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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Linq.Expressions;
using Xunit;
namespace System.Web.Razor.Test.Utils
{
public static class MiscAssert
{
public static void AssertBothNullOrPropertyEqual<T>(T expected, T actual, Expression<Func<T, object>> propertyExpr, string objectName)
{
// Unpack convert expressions
Expression expr = propertyExpr.Body;
while (expr.NodeType == ExpressionType.Convert)
{
expr = ((UnaryExpression)expr).Operand;
}
string propertyName = ((MemberExpression)expr).Member.Name;
Func<T, object> property = propertyExpr.Compile();
if (expected == null)
{
Assert.Null(actual);
}
else
{
Assert.NotNull(actual);
Assert.Equal(property(expected), property(actual));
}
}
}
}
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