Assert dbCmd is still open when returning IDbCommand

Author: mythz

src/ServiceStack.OrmLite.MySql.Tests/CustomSqlTests.cs

@@ -61,6 +61,9 @@ public void Can_execute_stored_procedure_using_SqlProc_with_out_params()
                 db.ExecuteSql(spSql);
 
                 var cmd = db.SqlProc("spSearchLetters", new { pLetter = "C" });
+
+                Assert.That(((OrmLiteCommand)cmd).IsDisposed, Is.False);
+
                 var pTotal = cmd.AddParam("pTotal", direction: ParameterDirection.Output);
                 var results = cmd.ConvertToList<LetterFrequency>();
 

src/ServiceStack.OrmLite/OrmLiteCommand.cs

@@ -12,6 +12,7 @@ public class OrmLiteCommand : IDbCommand, IHasDbCommand
         private OrmLiteConnection dbConn;
         private IDbCommand dbCmd;
         public IOrmLiteDialectProvider DialectProvider;
+        public bool IsDisposed { get; private set; }
 
         public OrmLiteCommand(OrmLiteConnection dbConn, IDbCommand dbCmd)
         {
@@ -22,6 +23,7 @@ public OrmLiteCommand(OrmLiteConnection dbConn, IDbCommand dbCmd)
 
         public void Dispose()
         {
+            IsDisposed = true;
             dbCmd.Dispose();
         }