added pdo commit and rolled back tests

test/pdo_sqlsrv/pdo_commit.phpt

@@ -0,0 +1,31 @@
+--TEST--
+starts a transaction, insert 2 rows and commit the transaction
+--SKIPIF--
+
+--FILE--
+<?php
+    require_once("autonomous_setup.php");
+
+    $conn = new PDO( "sqlsrv:Server=$serverName; Database = tempdb ", $username, $password);
+    
+    $conn->exec("IF OBJECT_ID('Table1', 'U') IS NOT NULL DROP TABLE Table1");
+    $conn->exec("CREATE TABLE Table1(col1 CHARACTER(1), col2 CHARACTER(1)) ");
+   
+    $conn->beginTransaction();
+    $ret = $conn->exec("insert into Table1(col1, col2) values('a', 'b') ");
+    $ret = $conn->exec("insert into Table1(col1, col2) values('a', 'c') ");
+   
+    //revert the inserts
+    $ret = $conn->exec("delete from Table1 where col1 = 'a'");
+    $conn->commit();
+    echo $ret." rows affected\n";
+   
+    //drop the created temp table
+    $conn->exec("DROP TABLE Table1 ");
+   
+    //free statement and connection
+    $ret=NULL;
+    $conn=NULL;
+?>
+--EXPECT--
+2 rows affected

test/pdo_sqlsrv/pdo_rollback.phpt

@@ -0,0 +1,35 @@
+--TEST--
+starts a transaction, insert 2 rows and commit the transaction
+--SKIPIF--
+
+--FILE--
+<?php
+    require_once("autonomous_setup.php");
+
+    $conn = new PDO( "sqlsrv:Server=$serverName; Database = tempdb ", $username, $password);
+    
+    $conn->exec("IF OBJECT_ID('Table1', 'U') IS NOT NULL DROP TABLE Table1");
+    $conn->exec("CREATE TABLE Table1(col1 CHARACTER(1), col2 CHARACTER(1)) ");
+   
+    $conn->beginTransaction();
+    $ret = $conn->exec("insert into Table1(col1, col2) values('a', 'b') ");
+    $ret = $conn->exec("insert into Table1(col1, col2) values('a', 'c') ");
+   
+    //revert the inserts
+    $ret = $conn->exec("delete from Table1 where col1 = 'a'");
+    $conn->rollback();
+    $stmt = $conn->query("SELECT * FROM Table1");
+    if ( count( $stmt->fetchAll() ) == 0 )
+        echo "Transaction rolled back successfully\n";
+    else
+        echo "Transaction failed to roll back\n";
+   
+    //drop the created temp table
+    $conn->exec("DROP TABLE Table1 ");
+   
+    //free statement and connection
+    $ret=NULL;
+    $conn=NULL;
+?>
+--EXPECT--
+Transaction rolled back successfully