public void GroupsSortTest()
{
// get test
Assert.That(GroupsSort.IdAsc.ToString(), Is.EqualTo("id_asc"));
Assert.That(GroupsSort.IdDesc.ToString(), Is.EqualTo("id_desc"));
Assert.That(GroupsSort.TimeAsc.ToString(), Is.EqualTo("time_asc"));
Assert.That(GroupsSort.TimeDesc.ToString(), Is.EqualTo("time_desc"));
// parse test
Assert.That(GroupsSort.FromJson("id_asc"), Is.EqualTo(GroupsSort.IdAsc));
Assert.That(GroupsSort.FromJson("id_desc"), Is.EqualTo(GroupsSort.IdDesc));
Assert.That(GroupsSort.FromJson("time_asc"), Is.EqualTo(GroupsSort.TimeAsc));
Assert.That(GroupsSort.FromJson("time_desc"), Is.EqualTo(GroupsSort.TimeDesc));
}
