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diff --git a/vendor/psy/psysh/test/Psy/Test/CodeCleaner/LegacyEmptyPassTest.php b/vendor/psy/psysh/test/Psy/Test/CodeCleaner/LegacyEmptyPassTest.php
new file mode 100644
index 000000000..8853a9119
--- /dev/null
+++ b/vendor/psy/psysh/test/Psy/Test/CodeCleaner/LegacyEmptyPassTest.php
@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Test\CodeCleaner;
+
+use Psy\CodeCleaner\LegacyEmptyPass;
+
+class LegacyEmptyPassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new LegacyEmptyPass());
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\ParseErrorException
+     */
+    public function testProcessInvalidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function invalidStatements()
+    {
+        if (version_compare(PHP_VERSION, '5.5', '>=')) {
+            return array(
+                array('empty()'),
+            );
+        }
+
+        return array(
+            array('empty()'),
+            array('empty(null)'),
+            array('empty(PHP_EOL)'),
+            array('empty("wat")'),
+            array('empty(1.1)'),
+            array('empty(Foo::$bar)'),
+        );
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessValidStatement($code)
+    {
+        $stmts = $this->parse($code);
+        $this->traverser->traverse($stmts);
+    }
+
+    public function validStatements()
+    {
+        if (version_compare(PHP_VERSION, '5.5', '<')) {
+            return array(
+                array('empty($foo)'),
+            );
+        }
+
+        return array(
+            array('empty($foo)'),
+            array('empty(null)'),
+            array('empty(PHP_EOL)'),
+            array('empty("wat")'),
+            array('empty(1.1)'),
+            array('empty(Foo::$bar)'),
+        );
+    }
+}