From ce59fcf6504c698a413033c47a43a83cbb1dfce5 Mon Sep 17 00:00:00 2001
From: Huong Nguyen <huongnv13@gmail.com>
Date: Thu, 8 Aug 2024 16:53:19 +0700
Subject: [PATCH] MDL-82745 filter_tex: Improve PHPUnit test

---
 filter/tex/lib.php            | 1 -
 filter/tex/tests/lib_test.php | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/filter/tex/lib.php b/filter/tex/lib.php
index 884f4d3ef87..cb9ad37423e 100644
--- a/filter/tex/lib.php
+++ b/filter/tex/lib.php
@@ -102,7 +102,6 @@ function filter_tex_sanitize_formula(string $texexp): string {
     // First, mangle all denied words.
     $texexp = preg_replace_callback($denylist,
         function($matches) {
-            error_log("FORBIDDEN: " . $matches[0]);
             return 'forbiddenkeyword_' . $matches[0];
         },
         $texexp
diff --git a/filter/tex/tests/lib_test.php b/filter/tex/tests/lib_test.php
index cc19e2a2929..d581ee94bc9 100644
--- a/filter/tex/tests/lib_test.php
+++ b/filter/tex/tests/lib_test.php
@@ -49,6 +49,7 @@ class lib_test extends advanced_testcase {
             ['x\ =\ \frac{\sqrt{144}}{2}\ \times\ (y\ +\ 12)', 'x\ =\ \frac{\sqrt{144}}{2}\ \times\ (y\ +\ 12)'],
             ['\usepackage[latin1]{inputenc}', '\usepackage[latin1]{inputenc}'],
             ['\newcommand{\A}{\verbatiminput}', '\newforbiddenkeyword_command{\A}{\verbatimforbiddenkeyword_input}'],
+            ['\pdffiledump offset 0 length', 'forbiddenkeyword_\pdffiledump offset 0 length'],
         ];
     }