public void TestManagerAddClientContextCustomAttribute()
{
string KEY1 = Guid.NewGuid().ToString();
string KEY2 = Guid.NewGuid().ToString();
string VALUE1 = Guid.NewGuid().ToString();
string VALUE2 = Guid.NewGuid().ToString();
string appID = Guid.NewGuid().ToString();
MobileAnalyticsManager manager = MobileAnalyticsManager.GetOrCreateInstance(appID, Credentials, RegionEndpoint.USEast1, new MobileAnalyticsManagerConfig());
manager.AddCustomAttributeToClientContext(KEY1, VALUE1);
manager.AddCustomAttributeToClientContext(KEY2, VALUE2);
var type = manager.GetType();
var property = type.GetProperty("ClientContext", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
var clientContext = property.GetValue(manager, null) as ClientContext;
string clientContextString = clientContext.ToJsonString();
Assert.IsTrue(clientContextString.IndexOf("custom") > 0);
Assert.IsTrue(clientContextString.IndexOf(KEY1) > 0);
Assert.IsTrue(clientContextString.IndexOf(KEY2) > 0);
Assert.IsTrue(clientContextString.IndexOf(VALUE1) > 0);
Assert.IsTrue(clientContextString.IndexOf(VALUE2) > 0);
Assert.IsTrue(clientContextString.IndexOf("custom") < clientContextString.IndexOf(KEY1));
Assert.IsTrue(clientContextString.IndexOf("custom") < clientContextString.IndexOf(KEY2));
Assert.IsTrue(clientContextString.IndexOf(KEY1) < clientContextString.IndexOf(VALUE1));
Assert.IsTrue(clientContextString.IndexOf(KEY2) < clientContextString.IndexOf(VALUE2));
}