added tests for prepare options and invalid option

test/pdo_sqlsrv/pdo_prepare_invalid_option_key.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Test PDO::prepare by passing in a string key
+--SKIPIF--
+
+--FILE--
+<?php
+  
+require_once("autonomous_setup.php");
+
+try 
+{   
+    $database = "tempdb";
+	$dsn = 	"sqlsrv:Server = $serverName; Database = $database";
+    $attr = array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION);
+    $conn = new PDO( $dsn, $username, $password, $attr); 
+    
+    $stmt = $conn->prepare( "SELECT 1", array( "PDO::ATTR_CURSOR" => PDO::CURSOR_FWDONLY ));
+
+  
+  echo "Test Successful";
+}
+catch( PDOException $e ) {
+    var_dump( $e->errorInfo );
+}
+?> 
+
+--EXPECT--
+
+array(3) {
+  [0]=>
+  string(5) "IMSSP"
+  [1]=>
+  int(-43)
+  [2]=>
+  string(42) "An invalid statement option was specified."
+}

test/pdo_sqlsrv/pdo_prepare_options.phpt

@@ -0,0 +1,42 @@
+--TEST--
+Test PDO::prepare by passing in attributes
+--SKIPIF--
+
+--FILE--
+<?php
+  
+require_once("autonomous_setup.php");
+
+try 
+{   
+
+    class CustomPDOStatement extends PDOStatement
+    {
+        protected function __construct() {
+        }
+    }
+
+    $database = "tempdb";
+	$dsn = 	"sqlsrv:Server = $serverName; Database = $database";
+    $prep_attr = array(PDO::SQLSRV_ATTR_ENCODING => PDO::SQLSRV_ENCODING_UTF8,
+                       PDO::ATTR_STATEMENT_CLASS => array('CustomPDOStatement', array()),
+                       PDO::SQLSRV_ATTR_DIRECT_QUERY => true,
+                       PDO::ATTR_EMULATE_PREPARES => false,
+                       PDO::SQLSRV_ATTR_FETCHES_NUMERIC_TYPE => true
+                       );
+    $conn = new PDO( $dsn, $username, $password); 
+    
+    $stmt = $conn->prepare( "SELECT 1", $prep_attr );
+
+  
+  echo "Test Successful";
+}
+catch( PDOException $e ) {
+    var_dump( $e->errorInfo );
+    exit;
+}
+?> 
+
+--EXPECT--
+
+Test Successful