public void Create_two_directories_and_then_delete_them()
{
string path = new DirectoryWrap().GetCurrentDirectory();
IDirectoryInfoWrap directoryInfoWrap = new DirectoryInfoWrap(path);
IDirectoryInfoWrap[] directoriesBefore = directoryInfoWrap.GetDirectories();
directoryInfoWrap.CreateSubdirectory("Dir1");
directoryInfoWrap.CreateSubdirectory("Dir2");
IDirectoryInfoWrap[] directoriesAfterCreate = directoryInfoWrap.GetDirectories();
Assert.AreEqual("Dir1", directoriesAfterCreate[0].Name);
Assert.AreEqual("Dir2", directoriesAfterCreate[1].Name);
directoriesAfterCreate[0].Delete();
directoriesAfterCreate[1].Delete();
var directoriesAfterDelete = directoryInfoWrap.GetDirectories();
Assert.AreEqual(directoriesBefore.Length, directoriesAfterDelete.Length);
}
