public void PackageReader_ReferencesWithGroups()
        {
            var zip = TestPackages.GetZip(TestPackages.GetLegacyTestPackageWithReferenceGroups());

            using (PackageReader reader = new PackageReader(zip))
            {
                var groups = reader.GetReferenceItems().ToArray();

                Assert.Equal(2, groups.Count());

                Assert.Equal(NuGetFramework.AnyFramework, groups[0].TargetFramework);
                Assert.Equal(1, groups[0].Items.Count());
                Assert.Equal("lib/test.dll", groups[0].Items.Single());

                Assert.Equal(NuGetFramework.Parse("net45"), groups[1].TargetFramework);
                Assert.Equal(1, groups[1].Items.Count());
                Assert.Equal("lib/net45/test45.dll", groups[1].Items.Single());
            }
        }