Chris Martin's Blog

Duration

Cold symptoms usually appear 2 or 3 days after exposure to a source of infection. Most colds clear up within 1 week, but some last for as long as 2 weeks.

Source: Common Cold

Hah. I should be so lucky!

[TestFixture]
public class Program
{
    static void Main(string[] args){}

    [Test]
    public void ChrisDoesntWriteCodeWhenSick()
    {
        IDeveloper chris = new Chris(new InsaneCommonColdThatLastsForAMonth());
        Assert.IsFalse(chris.CanWriteCode());
    }
}

public interface IDeveloper
{
    bool CanWriteCode();
}

public class Chris : IDeveloper
{
    private IHealth currentHealth;

    public Chris(IHealth currentHealth)
    {
        this.currentHealth = currentHealth;
        currentHealth.AnnounceHealth();
    }

    public bool CanWriteCode()
    {
        return currentHealth.CanWorkToday;
    }
}

public interface IHealth
{
    bool CanWorkToday { get; }

    void AnnounceHealth();
}

public class InsaneCommonColdThatLastsForAMonth : IHealth
{
    public bool CanWorkToday
    {
        get { return false; }
    }

    public void AnnounceHealth()
    {
        Console.WriteLine("CoughCoughCough...");
        Console.WriteLine("Ouch! My head!");
    }
}