Throw specific exception

Author: sebastianbergmann

src/Exception/XmlException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of phpunit/php-code-coverage.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeCoverage;
+
+use RuntimeException;
+
+final class XmlException extends RuntimeException implements Exception
+{
+}

src/Report/Xml/Facade.php

@@ -26,7 +26,6 @@
 use function substr;
 use DateTimeImmutable;
 use DOMDocument;
-use RuntimeException;
 use SebastianBergmann\CodeCoverage\CodeCoverage;
 use SebastianBergmann\CodeCoverage\Directory as DirectoryUtil;
 use SebastianBergmann\CodeCoverage\Driver\PathExistsButIsNotDirectoryException;
@@ -35,6 +34,7 @@
 use SebastianBergmann\CodeCoverage\Node\Directory as DirectoryNode;
 use SebastianBergmann\CodeCoverage\Node\File as FileNode;
 use SebastianBergmann\CodeCoverage\Version;
+use SebastianBergmann\CodeCoverage\XmlException;
 use SebastianBergmann\Environment\Runtime;
 
 /**
@@ -286,7 +286,7 @@ private function saveDocument(DOMDocument $document, string $name): void
                 $message .= "\n" . $error->message;
             }
 
-            throw new RuntimeException($message);
+            throw new XmlException($message);
         }
 
         libxml_clear_errors();