<?php

/*
 * This file is part of Psy Shell
 *
 * (c) 2012-2014 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\FatalErrorException
     */
    public function testProcessInvalidStatement($code)
    {
        $stmts = $this->parse($code);
        $this->traverser->traverse($stmts);
    }

    public function invalidStatements()
    {
        return array(
            array('empty()'),
            array('empty(null)'),
            array('empty(PHP_EOL)'),
            array('empty("wat")'),
            array('empty(1.1)'),
        );
    }

    /**
     * @dataProvider validStatements
     */
    public function testProcessValidStatement($code)
    {
        $stmts = $this->parse($code);
        $this->traverser->traverse($stmts);
    }

    public function validStatements()
    {
        $data = array(
            array('empty($foo)'),
            array('empty(Bar::$baz)'),
        );

        return $data;
    }
}

Add test coverage for LegacyEmptyPass.
Add test coverage for LegacyEmptyPass.