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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ModelErrorTest
{
[Fact]
public void ConstructorThrowsIfExceptionIsNull()
{
// Act & Assert
Assert.ThrowsArgumentNull(
delegate { new ModelError((Exception)null); }, "exception");
}
[Fact]
public void ConstructorWithExceptionAndStringArguments()
{
// Arrange
Exception ex = new Exception("some message");
// Act
ModelError modelError = new ModelError(ex, "some other message");
// Assert
Assert.Equal("some other message", modelError.ErrorMessage);
Assert.Same(ex, modelError.Exception);
}
[Fact]
public void ConstructorWithExceptionArgument()
{
// Arrange
Exception ex = new Exception("some message");
// Act
ModelError modelError = new ModelError(ex);
// Assert
Assert.Equal(String.Empty, modelError.ErrorMessage);
Assert.Same(ex, modelError.Exception);
}
[Fact]
public void ConstructorWithNullStringArgumentCreatesEmptyStringErrorMessage()
{
// Act
ModelError modelError = new ModelError((string)null);
// Assert
Assert.Equal(String.Empty, modelError.ErrorMessage);
}
[Fact]
public void ConstructorWithStringArgument()
{
// Act
ModelError modelError = new ModelError("some message");
// Assert
Assert.Equal("some message", modelError.ErrorMessage);
Assert.Null(modelError.Exception);
}
}
}
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