public void AddFileTest()
{
FileAttachments fa = new FileAttachments();
Assert.AreEqual(true, fa.AddFile(new UserFile(100000000)));
Assert.AreEqual(false, fa.AddFile(new UserFile(10000000)));
}
public void RemoveFileTest()
{
FileAttachments fa = new FileAttachments();
fa.AddFile(new UserFile(1000));
fa.AddFile(new UserFile(1001));
fa.AddFile(new UserFile(1002));
fa.AddFile(new UserFile(1003));
fa.RemoveFile("test_1000.txt");
Assert.AreEqual(3, fa.Count);
fa.RemoveFile("test_1002.txt");
Assert.AreEqual(2, fa.Count);
fa.RemoveFile("test_1001.txt");
Assert.AreEqual(1, fa.Count);
fa.RemoveFile("test_1003.txt");
Assert.AreEqual(0, fa.Count);
}