bgeihsgt

public class InvoiceGenerator
{
    public Invoice GenerateInvoice(string watermarkText)
    {
        // ...
        // Invoicy things
        // ...
        if (!String.IsNullOrEmpty(watermarkText))
        {
            WriteWatermark(invoice, watermarkText);

bgeihsgt

public class InvoiceGenerator
{
    private readonly IConfigurationReader _configurationReader;

    public InvoiceGenerator(IConfigurationReader configurationReader)
    {
        _configurationReader = configurationReader;
    }

    public Invoice GenerateInvoice()

bgeihsgt

public interface IConfigurationReader
{
    T Get<T>(string key);
}

bgeihsgt

using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace ValueTypeEquality
{
    [TestClass]
    public class Sample
    {
        [TestMethod]
        public void SampleTest()