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vendor/psy/psysh/test/CodeCleaner/AssignThisVariablePassTest.php

@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2018 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\AssignThisVariablePass;
+
+class AssignThisVariablePassTest extends CodeCleanerTestCase
+{
+    public function setUp()
+    {
+        $this->setPass(new AssignThisVariablePass());
+    }
+
+    /**
+     * @dataProvider invalidStatements
+     * @expectedException \Psy\Exception\FatalErrorException
+     */
+    public function testProcessStatementFails($code)
+    {
+        $this->parseAndTraverse($code);
+    }
+
+    public function invalidStatements()
+    {
+        return [
+            ['$this = 3'],
+            ['strtolower($this = "this")'],
+        ];
+    }
+
+    /**
+     * @dataProvider validStatements
+     */
+    public function testProcessStatementPasses($code)
+    {
+        $this->parseAndTraverse($code);
+        $this->assertTrue(true);
+    }
+
+    public function validStatements()
+    {
+        return [
+            ['$this'],
+            ['$a = $this'],
+            ['$a = "this"; $$a = 3'],
+            ['$$this = "b"'],
+        ];
+    }
+}