--- /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 PhpParser\NodeTraverser;
+use Psy\CodeCleaner\FunctionContextPass;
+
+class FunctionContextPassTest extends CodeCleanerTestCase
+{
+ public function setUp()
+ {
+ $this->pass = new FunctionContextPass();
+ $this->traverser = new NodeTraverser();
+ $this->traverser->addVisitor($this->pass);
+ }
+
+ /**
+ * @dataProvider validStatements
+ */
+ public function testProcessStatementPasses($code)
+ {
+ $stmts = $this->parse($code);
+ $this->traverser->traverse($stmts);
+
+ // @todo a better thing to assert here?
+ $this->assertTrue(true);
+ }
+
+ public function validStatements()
+ {
+ return array(
+ array('function foo() { yield; }'),
+ array('if (function(){ yield; })'),
+ );
+ }
+
+ /**
+ * @dataProvider invalidYieldStatements
+ * @expectedException \Psy\Exception\FatalErrorException
+ */
+ public function testInvalidYield($code)
+ {
+ if (version_compare(PHP_VERSION, '5.4', '<')) {
+ $this->markTestSkipped();
+ }
+
+ $stmts = $this->parse($code);
+ $this->traverser->traverse($stmts);
+ }
+
+ public function invalidYieldStatements()
+ {
+ return array(
+ array('yield'),
+ array('if (yield)'),
+ );
+ }
+}