Fix raised exception

Author: tvdijen

src/Assert/XPathFilterTrait.php

@@ -7,6 +7,7 @@
 use Exception;
 use InvalidArgumentException;
 use SimpleSAML\Assert\Assert as BaseAssert;
+use SimpleSAML\Assert\AssertionFailedException;
 use SimpleSAML\XML\Constants as C;
 
 use function in_array;
@@ -148,7 +149,7 @@ public static function allowedXPathFilter(
         // Check that all the function names we found are in the list of allowed function names
         foreach ($matches[1] as $match) {
             if (!in_array($match, $allowed_functions)) {
-                throw new InvalidArgumentException(sprintf(
+                throw new AssertionFailedException(sprintf(
                     $message ?: '\'%s\' is not an allowed XPath function.',
                     $match,
                 ));
@@ -171,7 +172,7 @@ public static function allowedXPathFilter(
         // Check that all the axes names we found are in the list of allowed axes names
         foreach ($matches[1] as $match) {
             if (!in_array($match, $allowed_axes)) {
-                throw new InvalidArgumentException(sprintf(
+                throw new AssertionFailedException(sprintf(
                     $message ?: '\'%s\' is not an allowed XPath axis.',
                     $match,
                 ));