public async Task ShouldHave10000MaxValue(MessageIdFactory sut)
{
var results = Enumerable.Range(1, 15000)
.Select(x => Task.Run(async() =>
{
await Task.Delay(10);
return(sut.CreateMessageId());
}))
.ToList();
await Task.WhenAll(results);
var count = results.Select(x => x.Result).Distinct().Count();
Assert.True(count >= 10000);
Assert.True(count < 10100);
Assert.Equal(1, results.Select(x => Convert.ToInt32(x.Result)).Min());
Assert.True(results.Select(x => Convert.ToInt32(x.Result)).Max() < 10100);
Assert.True(results.Select(x => Convert.ToInt32(x.Result)).Max() >= 10000);
Assert.Equal(2, results.Select(x => x.Result).Count(x => x == "1"));
Assert.Equal(2, results.Select(x => x.Result).Count(x => x == "4900"));
Assert.Equal(1, results.Select(x => x.Result).Count(x => x == "5100"));
Assert.Equal(1, results.Select(x => x.Result).Count(x => x == "10000"));
}
public async Task ShouldResetCounterMultipleTimes(
int times, int totalCount, MessageIdFactory sut)
{
var results = Enumerable.Range(1, totalCount)
.Select(x => Task.Run(async() =>
{
await Task.Delay(10);
return(sut.CreateMessageId());
}))
.ToList();
await Task.WhenAll(results);
var count = results.Select(x => x.Result).Distinct().Count();
Assert.True(count >= 10000);
Assert.True(count < 10100);
Assert.Equal(1, results.Select(x => Convert.ToInt32(x.Result)).Min());
Assert.True(results.Select(x => Convert.ToInt32(x.Result)).Max() < 10100);
Assert.True(results.Select(x => Convert.ToInt32(x.Result)).Max() >= 10000);
Assert.Equal(times + 1, results.Select(x => x.Result).Count(x => x == "1"));
Assert.Equal(times + 1, results.Select(x => x.Result).Count(x => x == "4900"));
Assert.Equal(times, results.Select(x => x.Result).Count(x => x == "5100"));
Assert.Equal(times, results.Select(x => x.Result).Count(x => x == "10000"));
}
public async Task ShouldMakeUniqueIdsConcurrently_InSequence(MessageIdFactory sut)
{
var results = Enumerable.Range(1, 1000)
.Select(x => Task.Run(async() =>
{
await Task.Delay(10);
return(sut.CreateMessageId());
}))
.ToList();
await Task.WhenAll(results);
var count = results.Select(x => x.Result).Distinct().Count();
Assert.Equal(1000, count);
Assert.Equal(1, results.Select(x => Convert.ToInt32(x.Result)).Min());
Assert.Equal(1000, results.Select(x => Convert.ToInt32(x.Result)).Max());
}