refactor DROP TABLE and DROP PROCEDURE calls in test code

src/test/java/com/microsoft/sqlserver/jdbc/connection/TimeoutTest.java

@@ -20,6 +20,7 @@
 import com.microsoft.sqlserver.jdbc.SQLServerConnection;
 import com.microsoft.sqlserver.jdbc.SQLServerException;
 import com.microsoft.sqlserver.testframework.AbstractTest;
+import com.microsoft.sqlserver.testframework.Utils;
 import com.microsoft.sqlserver.testframework.util.RandomUtil;
 
 @RunWith(JUnitPlatform.class)
@@ -129,9 +130,7 @@ public void testSocketTimeout() throws Exception {
     }
 
     private void dropWaitForDelayProcedure(SQLServerConnection conn) throws SQLException {
-        String sql = " IF EXISTS (select * from sysobjects where id = object_id(N'" + waitForDelaySPName
-                + "') and OBJECTPROPERTY(id, N'IsProcedure') = 1)" + " DROP PROCEDURE " + waitForDelaySPName;
-        conn.createStatement().execute(sql);
+        Utils.dropProcedureIfExists(waitForDelaySPName, conn.createStatement());
     }
 
     private void createWaitForDelayPreocedure(SQLServerConnection conn) throws SQLException {

src/test/java/com/microsoft/sqlserver/jdbc/parametermetadata/ParameterMetaDataTest.java

@@ -23,6 +23,7 @@
 
 import com.microsoft.sqlserver.jdbc.SQLServerException;
 import com.microsoft.sqlserver.testframework.AbstractTest;
+import com.microsoft.sqlserver.testframework.Utils;
 import com.microsoft.sqlserver.testframework.util.RandomUtil;
 
 @RunWith(JUnitPlatform.class)
@@ -49,8 +50,7 @@ public void testParameterMetaDataWrapper() throws SQLException {
                     assertSame(parameterMetaData, parameterMetaData.unwrap(ParameterMetaData.class));
                 }
             } finally {
-                stmt.executeUpdate("IF EXISTS (select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsTable') = 1)"
-                        + " DROP TABLE " + tableName);
+                Utils.dropTableIfExists(tableName, stmt);
             }
 
         }

src/test/java/com/microsoft/sqlserver/jdbc/resultset/ResultSetTest.java

@@ -25,6 +25,7 @@
 
 import com.microsoft.sqlserver.jdbc.ISQLServerResultSet;
 import com.microsoft.sqlserver.testframework.AbstractTest;
+import com.microsoft.sqlserver.testframework.Utils;
 import com.microsoft.sqlserver.testframework.util.RandomUtil;
 
 @RunWith(JUnitPlatform.class)
@@ -97,8 +98,7 @@ public void testResultSetWrapper() throws SQLException {
                 assertSame(rs, rs.unwrap(ResultSet.class));
                 assertSame(rs, rs.unwrap(ISQLServerResultSet.class));
             } finally {
-                stmt.executeUpdate("IF EXISTS (select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsTable') = 1)"
-                        + " DROP TABLE " + tableName);
+                Utils.dropTableIfExists(tableName, stmt);
             }
         }
     }

src/test/java/com/microsoft/sqlserver/jdbc/unit/statement/NamedParamMultiPartTest.java

@@ -12,21 +12,19 @@
 
 import java.sql.CallableStatement;
 import java.sql.Connection;
-import java.sql.DatabaseMetaData;
-import java.sql.Driver;
 import java.sql.DriverManager;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.sql.Types;
 
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.junit.platform.runner.JUnitPlatform;
 import org.junit.runner.RunWith;
 
 import com.microsoft.sqlserver.testframework.AbstractTest;
+import com.microsoft.sqlserver.testframework.Utils;
 
 /**
  * Multipart parameters
@@ -46,8 +44,7 @@ public class NamedParamMultiPartTest extends AbstractTest {
     public static void beforeAll() throws SQLException {
         connection = DriverManager.getConnection(connectionString);
         Statement statement = connection.createStatement();
-        statement.executeUpdate(
-                "if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[mystoredproc]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) DROP PROCEDURE [mystoredproc]");
+        Utils.dropProcedureIfExists("mystoredproc", statement);
         statement.executeUpdate("CREATE PROCEDURE [mystoredproc] (@p_out varchar(255) OUTPUT) AS set @p_out =  '" + dataPut + "'");
         statement.close();
     }    

src/test/java/com/microsoft/sqlserver/jdbc/unit/statement/RegressionTest.java

@@ -23,6 +23,7 @@
 import com.microsoft.sqlserver.jdbc.SQLServerConnection;
 import com.microsoft.sqlserver.testframework.AbstractTest;
 import com.microsoft.sqlserver.testframework.DBConnection;
+import com.microsoft.sqlserver.testframework.Utils;
 
 @RunWith(JUnitPlatform.class)
 public class RegressionTest extends AbstractTest {
@@ -126,11 +127,8 @@ public void testSelectIntoUpdateCount() throws SQLException {
     public static void terminate() throws SQLException {
         SQLServerConnection con = (SQLServerConnection) DriverManager.getConnection(connectionString);
         Statement stmt = con.createStatement();
-        stmt.executeUpdate("IF EXISTS (select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsTable') = 1)"
-                + " DROP TABLE " + tableName);
-        stmt.executeUpdate("IF EXISTS (select * from sysobjects where id = object_id(N'" + procName + "') and OBJECTPROPERTY(id, N'IsProcedure') = 1)"
-                + " DROP PROCEDURE " + procName);
-
+        Utils.dropTableIfExists(tableName, stmt);
+        Utils.dropProcedureIfExists(procName, stmt);
     }
 
 }