Basit Bir Test Framework Geliştirelim 6

2023-05-11

Evet, Assert sınıfımıza IsInstanceOfType ve IsNotInstanceOfType işlevlerini ekleyelim. Bu işlevler, bir nesnenin belirli bir türden olup olmadığını kontrol eder. Ayrıca, her biri için özel hata türleri oluşturalım.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

// ... önceki exception sınıfları ...

public class AssertIsInstanceOfTypeFailedException : AssertFailedException
{
    public AssertIsInstanceOfTypeFailedException(object value, Type expectedType)
        : base($"Expected {value} to be instance of type {expectedType}, but it was not.") { }
}

public class AssertIsNotInstanceOfTypeFailedException : AssertFailedException
{
    public AssertIsNotInstanceOfTypeFailedException(object value, Type expectedType)
        : base($"Expected {value} not to be instance of type {expectedType}, but it was.") { }
}

public static class Assert
{
    // ... önceki metodlar ...

    public static void IsInstanceOfType<T>(object value)
    {
        if (!(value is T))
        {
            throw new AssertIsInstanceOfTypeFailedException(value, typeof(T));
        }
    }

    public static void IsNotInstanceOfType<T>(object value)
    {
        if (value is T)
        {
            throw new AssertIsNotInstanceOfTypeFailedException(value, typeof(T));
        }
    }

    // ... diğer metodlar ...
}

IsInstanceOfType ve IsNotInstanceOfType metodları sayesinde, bir nesnenin belirli bir türden olup olmadığını kontrol edebiliriz.



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