diff --git a/test/functional/pdo_sqlsrv/pdo_ae_insert_pdoparam_numeric.phpt b/test/functional/pdo_sqlsrv/pdo_ae_insert_pdoparam_numeric.phpt
index 25f4367f..38049a4a 100644
--- a/test/functional/pdo_sqlsrv/pdo_ae_insert_pdoparam_numeric.phpt
+++ b/test/functional/pdo_sqlsrv/pdo_ae_insert_pdoparam_numeric.phpt
@@ -2,11 +2,18 @@
 Test for inserting encrypted data into numeric types columns
 --DESCRIPTION--
 Test conversions between different numeric types
-With or without Always Encrypted, implicit conversion works if:
+With Always Encrypted, implicit conversion works if:
 1. From input of PDO::PARAM_BOOL to a real column
 2. From input of PDO::PARAM_INT to a any numeric column
 3. From input of PDO::PARAM_STR to a any numeric column
 4. From input of PDO::PARAM_LOB to a any numeric column
+Without Always Encrypted, all of the above works except for input of PDO::PARAM_STR to a bigint column in a x86 platform
+PDO::PARAM_STR does not work for bigint in a x86 because in a x86 platform, the maximum value of an int is about 2147483647
+Whereas in a x64 platform, the maximum value is about 9E18
+In a x86 platform, when in integer is initialized to be > 2147483647, PHP implicitly change it to a float, represented by scientific notation
+When inserting a scientific notation form numeric string, SQL Server returns a converting data type nvarchar to bigint error
+Works for with AE because the sqltype used for binding parameter is determined by SQLDescribeParam,
+unlike without AE, the sqltype is predicted to be nvarchar when the input is a string and the encoding is utf8
 --SKIPIF--
 <?php require('skipif_mid-refactor.inc'); ?>
 --FILE--
@@ -14,11 +21,11 @@ With or without Always Encrypted, implicit conversion works if:
 require_once("MsCommon_mid-refactor.inc");
 require_once("AEData.inc");
 
-$dataTypes = array( "bit", "tinyint", "smallint", "int", "bigint", "real" );
+$dataTypes = array("bit", "tinyint", "smallint", "int", "bigint", "real");
 $epsilon = 1;
 
 try {
-    $conn = connect();
+    $conn = connect("", array(), PDO::ERRMODE_SILENT);
     foreach ($dataTypes as $dataType) {
         echo "\nTesting $dataType:\n";
 
@@ -68,6 +75,26 @@ try {
                         }
                     }
                 }
+            // check the case when inserting as PDO::PARAM_STR into a bigint column
+            // with AE: should work
+            // without AE: should not work on a x86 platform
+            } else if ($dataType == "bigint" && $pdoParamType == "PDO::PARAM_STR") {
+                if (!isAEConnected() && PHP_INT_SIZE == 4) {
+                    if ($r !== false) {
+                        echo "Conversion from $pdoParamType to $dataType should not be supported\n";
+                    }
+                } else {
+                    if ($r === false) {
+                        echo "Conversion from $pdoParamType to $dataType should be supported\n";
+                    } else {
+                        $sql = "SELECT c_det, c_rand FROM $tbname";
+                        $stmt = $conn->query($sql);
+                        $row = $stmt->fetch(PDO::FETCH_ASSOC);
+                        if ($row['c_det'] != $inputValues[0] && $row['c_rand'] != $inputValues[1]) {
+                            echo "Conversion from $pdoParamType to $dataType causes data corruption\n";
+                        }
+                    }
+                }
             // check the case when inserting as PDO::PARAM_INT, PDO::PARAM_STR or PDO::PARAM_LOB
             // with or without AE: should work
             } else {
@@ -88,7 +115,6 @@ try {
                             echo "****Conversion from $pdoParamType to $dataType is supported****\n";
                         } else {
                             echo "Conversion from $pdoParamType to $dataType causes data corruption\n";
-                            var_dump($row);
                         }
                     }
                 }
@@ -120,13 +146,13 @@ Testing smallint:
 ****Conversion from PDO::PARAM_LOB to smallint is supported****
 
 Testing int:
+Conversion from PDO::PARAM_BOOL to int should be supported
 ****Conversion from PDO::PARAM_INT to int is supported****
 ****Conversion from PDO::PARAM_STR to int is supported****
 ****Conversion from PDO::PARAM_LOB to int is supported****
 
 Testing bigint:
 ****Conversion from PDO::PARAM_INT to bigint is supported****
-****Conversion from PDO::PARAM_STR to bigint is supported****
 ****Conversion from PDO::PARAM_LOB to bigint is supported****
 
 Testing real: