Shortened the changes

Combined 2 tests into one

Dapper.Tests/ProcedureTests.cs

@@ -63,15 +63,14 @@ public void TestIssue17648290()
             p.Add("@MessageControlID", getMessageControlId);
             p.Add("@SuccessCode", dbType: DbType.Int32, direction: ParameterDirection.Output);
             p.Add("@ErrorDescription", dbType: DbType.String, direction: ParameterDirection.Output, size: 255);
-            connection.Execute(@"CREATE PROCEDURE #up_MessageProcessed_get
+            connection.Execute(
+            @"CREATE PROCEDURE #up_MessageProcessed_get
                 @Code varchar(10),
                 @MessageControlID varchar(22),
                 @SuccessCode int OUTPUT,
                 @ErrorDescription varchar(255) OUTPUT
             AS
-
             BEGIN
-
                 Select 2 as MessageProcessID, 38349348 as StartNum, 3874900 as EndNum, GETDATE() as StartDate, GETDATE() as EndDate
                 SET @SuccessCode = 0
                 SET @ErrorDescription = 'Completed successfully'
@@ -89,7 +88,10 @@ public void TestIssue17648290()
         [Fact]
         public void SO24605346_ProcsAndStrings()
         {
-            connection.Execute(@"create proc #GetPracticeRebateOrderByInvoiceNumber @TaxInvoiceNumber nvarchar(20) as
+            connection.Execute(
+            @"create proc #GetPracticeRebateOrderByInvoiceNumber 
+                @TaxInvoiceNumber nvarchar(20) 
+            as
                 select @TaxInvoiceNumber as [fTaxInvoiceNumber]");
             const string InvoiceNumber = "INV0000000028PPN";
             var result = connection.Query<PracticeRebateOrders>("#GetPracticeRebateOrderByInvoiceNumber", new
@@ -150,15 +152,16 @@ public void TestProcSupport()
             p.Add("b", dbType: DbType.Int32, direction: ParameterDirection.Output);
             p.Add("c", dbType: DbType.Int32, direction: ParameterDirection.ReturnValue);
 
-            connection.Execute(@"create proc #TestProc 
+            connection.Execute(@"
+            create proc #TestProc 
 	            @a int,
 	            @b int output
-as 
-begin
+            as 
+            begin
 	            set @b = 999
 	            select 1111
 	            return @a
-end");
+            end");
             Assert.Equal(1111, connection.Query<int>("#TestProc", p, commandType: CommandType.StoredProcedure).First());
 
             Assert.Equal(11, p.Get<int>("c"));
@@ -187,17 +190,15 @@ public void TestListOfAnsiStrings()
         [Fact]
         public void TestDateTime2PrecisionPreservedInDynamicParameters()
         {
+            const string tempSPName = "#" + nameof(TestDateTime2PrecisionPreservedInDynamicParameters);
+
             DateTime datetimeDefault = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
             DateTime datetime2 = datetimeDefault.AddTicks(1); // Add 100 ns
 
             Assert.True(datetimeDefault < datetime2);
 
-            var p = new DynamicParameters();
-            // Note: parameters declared as DateTime2
-            p.Add("a", datetime2, dbType: DbType.DateTime2, direction: ParameterDirection.Input);
-            p.Add("b", dbType: DbType.DateTime2, direction: ParameterDirection.Output);
-
-            connection.Execute(@"create proc #TestProc 
+            connection.Execute(
+            $@"create proc {tempSPName} 
 	            @a datetime2,
 	            @b datetime2 output
             as 
@@ -205,26 +206,33 @@ public void TestDateTime2PrecisionPreservedInDynamicParameters()
 	            set @b = @a
 	            select DATEADD(ns, -100, @b)
             end");
-            DateTime fromSelect = connection.Query<DateTime>("#TestProc", p, commandType: CommandType.StoredProcedure).First();
+
+            var p = new DynamicParameters();
+            // Note: parameters declared as DateTime2
+            p.Add("a", datetime2, dbType: DbType.DateTime2, direction: ParameterDirection.Input);
+            p.Add("b", dbType: DbType.DateTime2, direction: ParameterDirection.Output);
+
+            DateTime fromSelect = connection.Query<DateTime>(tempSPName, p, commandType: CommandType.StoredProcedure).First();
+
             Assert.Equal(datetimeDefault, fromSelect);
 
             Assert.Equal(datetime2, p.Get<DateTime>("b"));
         }
 
-        [Fact]
-        public void TestDateTime2LosePrecisionInDynamicParameters()
+        [Theory()]
+        [InlineData(null)]
+        [InlineData(DbType.DateTime)]
+        public void TestDateTime2LosePrecisionInDynamicParameters(DbType? dbType)
         {
+            const string tempSPName = "#" + nameof(TestDateTime2LosePrecisionInDynamicParameters);
+
             DateTime datetimeDefault = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
             DateTime datetime2 = datetimeDefault.AddTicks(1); // Add 100 ns
 
             Assert.True(datetimeDefault < datetime2);
 
-            var p = new DynamicParameters();
-            // Note: parameters declared as DateTime but SP has them as DateTime2
-            p.Add("a", datetime2, dbType: DbType.DateTime, direction: ParameterDirection.Input);
-            p.Add("b", dbType: DbType.DateTime, direction: ParameterDirection.Output);
-
-            connection.Execute(@"create proc #TestProc 
+            connection.Execute(
+            $@"create proc {tempSPName}
 	            @a datetime2,
 	            @b datetime2 output
             as 
@@ -233,11 +241,17 @@ public void TestDateTime2LosePrecisionInDynamicParameters()
 	            select @b
             end");
 
-            DateTime fromSelect = connection.Query<DateTime>("#TestProc", p, commandType: CommandType.StoredProcedure).First();
+            var p = new DynamicParameters();
+            // Note: input parameter declared as DateTime (or implicitly as this) but SP has DateTime2
+            p.Add("a", datetime2, dbType: dbType, direction: ParameterDirection.Input);
+            p.Add("b", dbType: DbType.DateTime, direction: ParameterDirection.Output);
+
+            DateTime fromSelect = connection.Query<DateTime>(tempSPName, p, commandType: CommandType.StoredProcedure).First();
+
             // @a truncates to datetimeDefault when passed into SP by DynamicParameters, add 100ns and it comes out as DateTime2
             Assert.Equal(datetime2, fromSelect);
 
-            // @b gets set to datetime2 value but is truncated back to DbType.DateTime by DynamicParameters declaration
+            // @b gets set to datetime2 value but is truncated back to DbType.DateTime by DynamicParameter's Output declaration
             Assert.Equal(datetimeDefault, p.Get<DateTime>("b"));
         }
     }