Added unit test to cover issue #8

FastRngTests/MultiThreadedRngTests.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Threading;
+using System.Threading.Tasks;
 using FastRng;
 using FastRng.Distributions;
 using NUnit.Framework;
@@ -223,6 +224,32 @@ public class MultiThreadedRngTests
         Assert.That(lorentzContains1, Is.True, "Lorentz distribution does not contained 1");
     }
     
+    [Test]
+    [Category(TestCategories.LONG_RUNNING)]
+    public void TestMultiThreadedConsumer()
+    {
+        var job1 = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+        var job2 = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+        var job3 = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+        
+        Assert.DoesNotThrowAsync(async () => await job1);
+        Assert.DoesNotThrowAsync(async () => await job2);
+        Assert.DoesNotThrowAsync(async () => await job3);
+        return;
+
+        float Run()
+        {
+            var sum = 0f;
+            var distLorentz = new CauchyLorentzX1<float>(this.rng);
+            for (int i = 0; i < 100_000_000; i++)
+            {
+                sum += distLorentz.NextNumber();
+            }
+
+            return sum;
+        }
+    }
+
     [Test]
     [Category(TestCategories.COVER)]
     [Category(TestCategories.NORMAL)]