public void CanDecToValue(long initial, long value, long expected)
{
var tslong = new ThreadSafeLong(initial);
tslong.DecTo(value);
Assert.Equal(expected, tslong.Value);
}
public async Task DecToMultiThreads(int threads, int observations)
{
var tslong = new ThreadSafeLong(0);
var testData = new IEnumerable <long> [threads];
var min = long.MaxValue;
for (var i = 0; i < threads; i++)
{
var data = GenerateTestData(observations);
min = Math.Min(data.min, min);
testData[i] = data.items;
}
await Task.WhenAll(testData.Select(async d =>
{
foreach (long item in d)
{
await Task.Yield();
tslong.DecTo(item);
}
}).ToArray());
Assert.Equal(min, tslong.Value);
}
