--- /dev/null
+<?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)'),
+ );
+ }
+}