39 lines
1.2 KiB
C#
39 lines
1.2 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace CommunityToolkit.Mvvm.UnitTests.Helpers;
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/// <summary>
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/// A helper class to validate scenarios related to <see cref="Exception"/>-s.
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/// </summary>
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internal static class ExceptionHelper
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{
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/// <summary>
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/// Asserts that a given action throws an <see cref="ArgumentException"/> with a specific parameter name.
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/// </summary>
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/// <param name="action">The input <see cref="Action"/> to invoke.</param>
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/// <param name="parameterName">The expected parameter name.</param>
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public static void ThrowsArgumentExceptionWithParameterName(Action action, string parameterName)
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{
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bool success = false;
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try
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{
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action();
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}
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catch (Exception e)
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{
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Assert.IsTrue(e.GetType() == typeof(ArgumentException));
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Assert.AreEqual(parameterName, ((ArgumentException)e).ParamName);
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success = true;
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}
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Assert.IsTrue(success);
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}
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}
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