--- /dev/null
+--TEST--
+non freed statement test
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * non freed stamement
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $stmt = mysqli_prepare($link, "SELECT CURRENT_USER()");
+ mysqli_execute($stmt);
+
+ mysqli_close($link);
+ printf("Ok\n");
+?>
+--EXPECT--
+Ok
--- /dev/null
+--TEST--
+free statement after close
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * free statement after close
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $stmt1 = mysqli_prepare($link, "SELECT CURRENT_USER()");
+ mysqli_execute($stmt1);
+
+ mysqli_close($link);
+ mysqli_stmt_close($stmt1);
+ printf("Ok\n");
+?>
+--EXPECT--
+Ok
--- /dev/null
+--TEST--
+call statement after close
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * statement call after close
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $stmt2 = mysqli_prepare($link, "SELECT CURRENT_USER()");
+
+ mysqli_close($link);
+ mysqli_execute($stmt2);
+ mysqli_stmt_close($stmt2);
+ printf("Ok\n");
+?>
+--EXPECT--
+Ok
--- /dev/null
+--TEST--
+not freed resultset
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * non freed resultset
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $result = mysqli_query($link, "SELECT CURRENT_USER()");
+ mysqli_close($link);
+ printf("Ok\n");
+
+?>
+--EXPECT--
+Ok
--- /dev/null
+--TEST--
+free resultset after close
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * free resultset after close
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $result1 = mysqli_query($link, "SELECT CURRENT_USER()");
+ mysqli_close($link);
+ mysqli_free_result($result1);
+ printf("Ok\n");
+?>
+--EXPECT--
+Ok
--- /dev/null
+--TEST--
+free nothing
+--FILE--
+<?php
+ include "connect.inc";
+
+ /************************
+ * don't free anything
+ ************************/
+ $link = mysqli_connect("localhost", $user, $passwd);
+
+ $result2 = mysqli_query($link, "SELECT CURRENT_USER()");
+ $stmt2 = mysqli_prepare($link, "SELECT CURRENT_USER()");
+ printf("Ok\n");
+?>
+--EXPECT--
+Ok