public async Task CreateNewAsync_Benchmark()
{
// Arrange
var tasks = new Task <Guid> [TestIterations];
var subject = new GuidFactory();
var timer = Stopwatch.StartNew();
for (var i = 0; i < TestIterations; i++)
{
// Act
tasks[i] = subject.CreateNewAsync();
}
// Assert
await Task.WhenAll(tasks).ConfigureAwait(false);
// Assert
timer.Stop();
timer.ElapsedMilliseconds.Should().BeLessOrEqualTo(400);
}
public async Task CreateNewAsync_ShouldReturnNewGuid_WithoutCollisions()
{
// Arrange
var tasks = new Task <Guid> [TestIterations];
var subject = new GuidFactory();
for (var i = 0; i < TestIterations; i++)
{
// Act
tasks[i] = subject.CreateNewAsync();
}
// Assert
var results = await Task.WhenAll(tasks).ConfigureAwait(false);
var uniqueResults = new HashSet <Guid>(results);
uniqueResults.Should().HaveCount(TestIterations);
uniqueResults.Should().NotContain(Guid.Empty);
}