From 9ee3cce380434b1f4802943da339ca192c026dde Mon Sep 17 00:00:00 2001
From: Simon Wisselink <s.wisselink@iwink.nl>
Date: Sun, 22 Oct 2023 23:55:07 +0200
Subject: [PATCH] Added some extra unit test

---
 src/Compiler/Template.php                     |  2 ++
 src/Security.php                              |  2 +-
 .../RegisterFunction/RegisterFunctionTest.php | 24 +++++++++++++++----
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/Compiler/Template.php b/src/Compiler/Template.php
index e584236a0..a782eeddf 100644
--- a/src/Compiler/Template.php
+++ b/src/Compiler/Template.php
@@ -593,6 +593,8 @@ public function processText($text) {
 	public function getTagCompiler($tag): ?\Smarty\Compile\CompilerInterface {
         $tag = strtolower($tag);
 
+		$tag = strtolower($tag);
+
 		if (isset($this->smarty->security_policy) && !$this->smarty->security_policy->isTrustedTag($tag, $this)) {
 			return null;
 		}
diff --git a/src/Security.php b/src/Security.php
index 2f654d4ea..250b3bca7 100644
--- a/src/Security.php
+++ b/src/Security.php
@@ -261,7 +261,7 @@ public function isTrustedStaticClassAccess($class_name, $params, $compiler) {
 	 * @return boolean                 true if tag is trusted
 	 */
 	public function isTrustedTag($tag_name, $compiler) {
-        $tag_name = strtolower($tag_name);
+		$tag_name = strtolower($tag_name);
 
 		// check for internal always required tags
 		if (in_array($tag_name,	['assign', 'call'])) {
diff --git a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
index 473cbb0bc..815495252 100644
--- a/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
+++ b/tests/UnitTests/SmartyMethodsTests/RegisterFunction/RegisterFunctionTest.php
@@ -154,7 +154,7 @@ public function testUnregisterFunction()
     public function testUnregisterFunctionNotRegistered()
     {
         $this->smarty->unregisterPlugin(Smarty::PLUGIN_FUNCTION, 'testfunction');
-	    $this->assertNull($this->smarty->getRegisteredPlugin(Smarty::PLUGIN_FUNCTION, 'testfunction'));
+        $this->assertNull($this->smarty->getRegisteredPlugin(Smarty::PLUGIN_FUNCTION, 'testfunction'));
     }
 
     /**
@@ -164,18 +164,32 @@ public function testUnregisterFunctionOtherRegistered()
     {
         $this->smarty->registerPlugin(Smarty::PLUGIN_BLOCK, 'testfunction', 'myfunction');
         $this->smarty->unregisterPlugin(Smarty::PLUGIN_FUNCTION, 'testfunction');
-	    $this->assertIsArray($this->smarty->getRegisteredPlugin(Smarty::PLUGIN_BLOCK, 'testfunction'));
+        $this->assertIsArray($this->smarty->getRegisteredPlugin(Smarty::PLUGIN_BLOCK, 'testfunction'));
     }
 
+
     /**
      * Test case (in)sensitivy of plugin functions
+     * @param $registerName
+     * @param $templateString
      * @return void
      * @throws \Smarty\Exception
      * @group issue907
+     * @dataProvider dataProviderForCaseSensitivity
      */
-    public function testCaseSensitivity() {
-        $this->smarty->registerPlugin(Smarty::PLUGIN_FUNCTION, 'customTag', 'myfunction');
-        $this->assertEquals('hello world ', $this->smarty->fetch('string:{customTag}'));
+    public function testCaseSensitivity($registerName, $templateString) {
+        $this->smarty->registerPlugin(
+            Smarty::PLUGIN_FUNCTION,
+            $registerName,
+            function($params, $smarty) { return 'function-output'; });
+        $this->assertEquals('function-output', $this->smarty->fetch('string:' . $templateString));
+    }
+
+    public function dataProviderForCaseSensitivity() {
+        return [
+            ['customTag', '{customTag}'],
+            ['customtag', '{customtag}'],
+        ];
     }
 
 }