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diff --git a/vendor/nikic/php-parser/test/PhpParser/CodeTestAbstract.php b/vendor/nikic/php-parser/test/PhpParser/CodeTestAbstract.php
new file mode 100644
index 000000000..369ee41b8
--- /dev/null
+++ b/vendor/nikic/php-parser/test/PhpParser/CodeTestAbstract.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace PhpParser;
+
+abstract class CodeTestAbstract extends \PHPUnit_Framework_TestCase
+{
+    protected function getTests($directory, $fileExtension) {
+        $directory = realpath($directory);
+        $it = new \RecursiveDirectoryIterator($directory);
+        $it = new \RecursiveIteratorIterator($it, \RecursiveIteratorIterator::LEAVES_ONLY);
+        $it = new \RegexIterator($it, '(\.' . preg_quote($fileExtension) . '$)');
+
+        $tests = array();
+        foreach ($it as $file) {
+            $fileName = $file->getPathname();
+            $fileContents = file_get_contents($fileName);
+            $fileContents = canonicalize($fileContents);
+
+            // evaluate @@{expr}@@ expressions
+            $fileContents = preg_replace_callback(
+                '/@@\{(.*?)\}@@/',
+                function($matches) {
+                    return eval('return ' . $matches[1] . ';');
+                },
+                $fileContents
+            );
+
+            // parse sections
+            $parts = preg_split("/\n-----(?:\n|$)/", $fileContents);
+
+            // first part is the name
+            $name = array_shift($parts) . ' (' . $fileName . ')';
+            $shortName = ltrim(str_replace($directory, '', $fileName), '/\\');
+
+            // multiple sections possible with always two forming a pair
+            $chunks = array_chunk($parts, 2);
+            foreach ($chunks as $i => $chunk) {
+                $dataSetName = $shortName . (count($chunks) > 1 ? '#' . $i : '');
+                list($expected, $mode) = $this->extractMode($chunk[1]);
+                $tests[$dataSetName] = array($name, $chunk[0], $expected, $mode);
+            }
+        }
+
+        return $tests;
+    }
+
+    private function extractMode($expected) {
+        $firstNewLine = strpos($expected, "\n");
+        if (false === $firstNewLine) {
+            $firstNewLine = strlen($expected);
+        }
+
+        $firstLine = substr($expected, 0, $firstNewLine);
+        if (0 !== strpos($firstLine, '!!')) {
+            return [$expected, null];
+        }
+
+        $expected = (string) substr($expected, $firstNewLine + 1);
+        return [$expected, substr($firstLine, 2)];
+    }
+}