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MockTimeSource.cs
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MockTimeSource.cs
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using IdGen;
using System;
using System.Threading;
namespace IdGenTests
{
public class MockTimeSource : ITimeSource
{
private long _current;
public MockTimeSource()
: this(0) { }
public DateTimeOffset Epoch { get; private set; }
public TimeSpan TickDuration { get; }
public MockTimeSource(long current)
: this(current, TimeSpan.FromMilliseconds(1), DateTimeOffset.MinValue) { }
public MockTimeSource(TimeSpan tickDuration)
: this(0, tickDuration, DateTimeOffset.MinValue) { }
public MockTimeSource(long current, TimeSpan tickDuration, DateTimeOffset epoch)
{
_current = current;
TickDuration = tickDuration;
Epoch = epoch;
}
private int _autoincrementAfterCallsNum;
private int _callsRemaining = -1;
public int AutoincrementAfterCallsNum
{
set
{
_autoincrementAfterCallsNum = value;
_callsRemaining = value;
}
}
public long GetTicks()
{
if (_autoincrementAfterCallsNum > 0)
{
if (Interlocked.Decrement(ref _callsRemaining) == 0)
{
_callsRemaining = _autoincrementAfterCallsNum;
NextTick();
}
}
return _current;
}
public void NextTick()
{
Interlocked.Increment(ref _current);
}
public void PreviousTick()
{
Interlocked.Decrement(ref _current);
}
}
}