Add test program to test violations

Author: mythz

tests/ServiceStack.Text.TestsConsole/Program.cs

@@ -4,5 +4,51 @@
 
 namespace ServiceStack.Text.TestsConsole
 {
+    public class T
+    {
+        public Guid X { get; set; }
+        public char Y { get; set; }
+    }
 
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var violations = 0;
+            const int count = 1000 * 1000;
+            var json = new List<string>();
+            var serializer = new JsonSerializer<T>();
+            for (int i = 0; i < count; i++)
+            {
+                var t = new T
+                {
+                    X = Guid.NewGuid(),
+                    Y = i % 2 == 0 ? 'C' : 'P',
+                };
+                json.Add(serializer.SerializeToString(t));
+            }
+
+            var tasks = new List<Task>();
+            for (int jj = 0; jj < 3; jj++)
+            {
+                int j = jj;
+                tasks.Add(Task.Run(() => {
+                    for (int i = 0; i < count; i++)
+                    {
+                        string s = json[i];
+                        var t = serializer.DeserializeFromString(s);
+                        if (t.Y != (i % 2 == 0 ? 'C' : 'P'))
+                        {
+                            violations++;
+                            Console.WriteLine("Constraint violation index {0} thread {1} expected: {2} received: {3} json: {4}",
+                                i, j, i % 2 == 0 ? 'C' : 'P', t.Y, s);
+                        }
+                    }
+                }));
+            }
+            tasks.ForEach(task => task.Wait());
+
+            Console.WriteLine($"There were {violations} viloations");
+        }
+    }
 }