GenerateTimeBasedGuid() public static method

public static GenerateTimeBasedGuid ( ) : System.Guid
return System.Guid
        public void GetDateTimeOffset()
        {
            // arrange
            var expected = new DateTimeOffset(1980, 3, 14, 12, 23, 42, 112, TimeSpan.Zero);
            var guid     = GuidGenerator.GenerateTimeBasedGuid(expected);

            // act
            var actual = GuidGenerator.GetDateTimeOffset(guid);

            // assert
            Assert.AreEqual(expected, actual);
        }
        public void GetDateTime()
        {
            // arrange
            var expected = new DateTime(1980, 3, 14, 12, 23, 42, 112, DateTimeKind.Utc);
            var guid     = GuidGenerator.GenerateTimeBasedGuid(expected);

            // act
            var actual = GuidGenerator.GetDateTime(guid);

            // assert
            Assert.AreEqual(expected, actual);
        }
        public void Type1Check()
        {
            // arrange
            var expected = GuidVersion.TimeBased;
            var guid     = GuidGenerator.GenerateTimeBasedGuid();

            // act
            var actual = guid.GetVersion();

            // assert
            Assert.AreEqual(expected, actual);
        }
        public void DoesNotCreateDuplicateWhenTimeHasNotPassed()
        {
            // arrange
            DateTimeOffset currentTime = DateTimeOffset.UtcNow;

            TimestampHelper.UtcNow = () => currentTime;              //make sure all calls will return the same time
            Guid firstGuid = GuidGenerator.GenerateTimeBasedGuid();

            // act
            Guid secondGuid = GuidGenerator.GenerateTimeBasedGuid();

            // assert
            Assert.True(firstGuid != secondGuid, "first: " + firstGuid + " second: " + secondGuid);
            //Assert.NotEqual(firstGuid,secondGuid);
        }
        public void ClockSequenceChangesWhenTimeMovesBackward()
        {
            Func <Guid, short> getClockSequence = (guid) => {
                byte[] clockSequenceBytes = new byte[2];
                Array.Copy(guid.ToByteArray(), 8, clockSequenceBytes, 0, 2);
                return(BitConverter.ToInt16(clockSequenceBytes, 0));
            };

            // arrange
            DateTimeOffset currentTime = DateTimeOffset.UtcNow;

            TimestampHelper.UtcNow = () => currentTime;
            Guid firstGuid = GuidGenerator.GenerateTimeBasedGuid();

            // act
            TimestampHelper.UtcNow = () => currentTime.AddTicks(-1);              //make sure clock went backwards
            Guid secondGuid = GuidGenerator.GenerateTimeBasedGuid();

            // assert
            //clock sequence is not equal
            Assert.NotEqual(getClockSequence(firstGuid), getClockSequence(secondGuid));
        }