Chris@13: <?php
Chris@13: 
Chris@13: /*
Chris@13:  * This file is part of Psy Shell.
Chris@13:  *
Chris@13:  * (c) 2012-2018 Justin Hileman
Chris@13:  *
Chris@13:  * For the full copyright and license information, please view the LICENSE
Chris@13:  * file that was distributed with this source code.
Chris@13:  */
Chris@13: 
Chris@13: namespace Psy\Test\CodeCleaner;
Chris@13: 
Chris@13: use Psy\CodeCleaner\LoopContextPass;
Chris@13: 
Chris@13: class LoopContextPassTest extends CodeCleanerTestCase
Chris@13: {
Chris@13:     public function setUp()
Chris@13:     {
Chris@13:         $this->setPass(new LoopContextPass());
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * @dataProvider invalidStatements
Chris@13:      * @expectedException \Psy\Exception\FatalErrorException
Chris@13:      */
Chris@13:     public function testProcessStatementFails($code)
Chris@13:     {
Chris@13:         $this->parseAndTraverse($code);
Chris@13:     }
Chris@13: 
Chris@13:     public function invalidStatements()
Chris@13:     {
Chris@13:         return [
Chris@13:             ['continue'],
Chris@13:             ['break'],
Chris@13:             ['if (true) { continue; }'],
Chris@13:             ['if (true) { break; }'],
Chris@13:             ['if (false) { continue; }'],
Chris@13:             ['if (false) { break; }'],
Chris@13:             ['function foo() { break; }'],
Chris@13:             ['function foo() { continue; }'],
Chris@13: 
Chris@13:             // actually enforce break/continue depth argument
Chris@13:             ['do { break 2; } while (true)'],
Chris@13:             ['do { continue 2; } while (true)'],
Chris@13:             ['for ($a; $b; $c) { break 2; }'],
Chris@13:             ['for ($a; $b; $c) { continue 2; }'],
Chris@13:             ['foreach ($a as $b) { break 2; }'],
Chris@13:             ['foreach ($a as $b) { continue 2; }'],
Chris@13:             ['switch (true) { default: break 2; }'],
Chris@13:             ['switch (true) { default: continue 2; }'],
Chris@13:             ['while (true) { break 2; }'],
Chris@13:             ['while (true) { continue 2; }'],
Chris@13: 
Chris@13:             // In PHP 5.4+, only positive literal integers are allowed
Chris@13:             ['while (true) { break $n; }'],
Chris@13:             ['while (true) { continue $n; }'],
Chris@13:             ['while (true) { break N; }'],
Chris@13:             ['while (true) { continue N; }'],
Chris@13:             ['while (true) { break 0; }'],
Chris@13:             ['while (true) { continue 0; }'],
Chris@13:             ['while (true) { break -1; }'],
Chris@13:             ['while (true) { continue -1; }'],
Chris@13:             ['while (true) { break 1.0; }'],
Chris@13:             ['while (true) { continue 1.0; }'],
Chris@16:             ['while (true) { break 2.0; }'],
Chris@16:             ['while (true) { continue 2.0; }'],
Chris@16: 
Chris@16:             // and once with nested loops, just for good measure
Chris@16:             ['while (true) { while (true) { break 3; } }'],
Chris@16:             ['while (true) { while (true) { continue 3; } }'],
Chris@13:         ];
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * @dataProvider validStatements
Chris@13:      */
Chris@13:     public function testProcessStatementPasses($code)
Chris@13:     {
Chris@13:         $this->parseAndTraverse($code);
Chris@13:         $this->assertTrue(true);
Chris@13:     }
Chris@13: 
Chris@13:     public function validStatements()
Chris@13:     {
Chris@13:         return [
Chris@13:             ['do { break; } while (true)'],
Chris@13:             ['do { continue; } while (true)'],
Chris@13:             ['for ($a; $b; $c) { break; }'],
Chris@13:             ['for ($a; $b; $c) { continue; }'],
Chris@13:             ['foreach ($a as $b) { break; }'],
Chris@13:             ['foreach ($a as $b) { continue; }'],
Chris@13:             ['switch (true) { default: break; }'],
Chris@13:             ['switch (true) { default: continue; }'],
Chris@13:             ['while (true) { break; }'],
Chris@13:             ['while (true) { continue; }'],
Chris@13: 
Chris@13:             // `break 1` is redundant, but not invalid
Chris@13:             ['while (true) { break 1; }'],
Chris@13:             ['while (true) { continue 1; }'],
Chris@13: 
Chris@13:             // and once with nested loops just for good measure
Chris@13:             ['while (true) { while (true) { break 2; } }'],
Chris@13:             ['while (true) { while (true) { continue 2; } }'],
Chris@13:         ];
Chris@13:     }
Chris@13: }