public void HexTest()
{
var uid1 = new Uid(3408723498, 20347893249);
const string uid1Hex = "0000cb2cfe2a00000004bcd43601acc1";
var uid2 = new Uid(1);
const string uid2Hex = "0000000000000000000000000001acc1";
Assert.Equal(uid1.ToHex(UidTag.Account), uid1Hex);
Assert.Equal(uid2.ToHex(UidTag.Account), uid2Hex);
UidTag tag;
var uid3 = Uid.ParseHex(uid1Hex, out tag);
Assert.Equal(uid1, uid3);
Assert.Equal(tag, UidTag.Account);
var uid4 = Uid.ParseHex(uid2Hex, out tag);
Assert.Equal(uid2, uid4);
Assert.Equal(tag, UidTag.Account);
Assert.Throws<ArgumentException>(() => Uid.ParseHex("ffacc2", out tag));
Assert.Throws<ArgumentException>(() => Uid.ParseHex("ggacc1", out tag));
Assert.Throws<ArgumentException>(() => Uid.ParseHex("", out tag));
Assert.Throws<ArgumentNullException>(() => Uid.ParseHex(null, out tag));
}
