public void GetPackages()
        {
            IPackageRepository rep      = new DirectoryPackageRepository("myrep", IO.Path.Combine("Testdata", "packagerepository"));
            PackageList        packages = rep.GetPackages();

            Assert.IsNotNull(packages);
            Assert.AreEqual(4, packages.Count());
            Assert.IsTrue(packages.Contains("package1"));
            Assert.IsTrue(packages.Contains("package2"));
            Assert.IsTrue(packages.Contains("package3"));
            Assert.IsTrue(packages.Contains("package4"));
            Assert.IsTrue(packages["package1"].Versions.Contains("1.1"));
            Assert.IsTrue(packages["package2"].Versions.Contains("2.1"));
            Assert.IsTrue(packages ["package3"].Dependencies.Contains("package4.feature2"));
            Assert.AreEqual("4.4", packages ["package3"].Dependencies["package4.feature2"].Version.Name);
        }