}
	for _, tc := range testCases {
		if memberOf(tc.ip, tc.family) != tc.expected {
			t.Errorf("case[%s]: expected %+v", tc.tcase, tc.expected)
		}
	}
}

func TestGetIPFromHostInterfaces(t *testing.T) {
	testCases := []struct {
		tcase      string
		nw         networkInterfacer
		order      AddressFamilyPreference
		expected   net.IP
		errStrFrag string
	}{