test: add test for deallocation of prepared query

Author: fpoy

tests/system/Database/Live/PreparedQueryTest.php

@@ -11,6 +11,7 @@
 
 namespace CodeIgniter\Database\Live;
 
+use BadMethodCallException;
 use CodeIgniter\Database\BasePreparedQuery;
 use CodeIgniter\Database\Exceptions\DatabaseException;
 use CodeIgniter\Database\Query;
@@ -148,4 +149,26 @@ public function testExecuteRunsInvalidQuery()
 
         $this->query->execute('foo', '[email protected]', 'US');
     }
+
+    public function testDeallocatePreparedQuery()
+    {
+        $this->query = $this->db->prepare(static fn ($db) => $db->table('user')->insert([
+            'name'    => 'a',
+            'email'   => '[email protected]',
+            'country' => 'x',
+        ]));
+
+        $this->query->execute('foo', '[email protected]', 'US');
+
+        $this->query->close();
+
+        try {
+            $this->query->execute('bar', '[email protected]', 'GB');
+        } catch (BadMethodCallException $e) {
+            $this->assertSame('You must call prepare before trying to execute a prepared statement.', $e->getMessage());
+        }
+
+        $this->seeInDatabase($this->db->DBPrefix . 'user', ['name' => 'foo', 'email' => '[email protected]']);
+        $this->dontSeeInDatabase($this->db->DBPrefix . 'user', ['name' => 'bar', 'email' => '[email protected]']);
+    }
 }