--- /dev/null
+<?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"'],
+ ];
+ }
+}