137 lines
4.4 KiB
PHP
137 lines
4.4 KiB
PHP
<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2017 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Psy\Test\CodeCleaner;
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use PhpParser\NodeTraverser;
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use Psy\CodeCleaner\LoopContextPass;
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class LoopContextPassTest extends CodeCleanerTestCase
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{
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public function setUp()
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{
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$this->pass = new LoopContextPass();
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$this->traverser = new NodeTraverser();
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$this->traverser->addVisitor($this->pass);
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}
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/**
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* @dataProvider invalidStatements
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* @expectedException \Psy\Exception\FatalErrorException
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*/
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public function testProcessStatementFails($code)
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{
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$stmts = $this->parse($code);
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$this->traverser->traverse($stmts);
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}
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public function invalidStatements()
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{
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return array(
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array('continue'),
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array('break'),
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array('if (true) { continue; }'),
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array('if (true) { break; }'),
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array('if (false) { continue; }'),
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array('if (false) { break; }'),
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array('function foo() { break; }'),
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array('function foo() { continue; }'),
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// actually enforce break/continue depth argument
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array('do { break 2; } while (true)'),
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array('do { continue 2; } while (true)'),
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array('for ($a; $b; $c) { break 2; }'),
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array('for ($a; $b; $c) { continue 2; }'),
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array('foreach ($a as $b) { break 2; }'),
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array('foreach ($a as $b) { continue 2; }'),
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array('switch (true) { default: break 2; }'),
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array('switch (true) { default: continue 2; }'),
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array('while (true) { break 2; }'),
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array('while (true) { continue 2; }'),
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// invalid in 5.4+ because they're floats
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// ... in 5.3 because the number is too big
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array('while (true) { break 2.0; }'),
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array('while (true) { continue 2.0; }'),
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// and once with nested loops, just for good measure
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array('while (true) { while (true) { break 3; } }'),
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array('while (true) { while (true) { continue 3; } }'),
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);
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}
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/**
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* @dataProvider invalidPHP54Statements
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* @expectedException \Psy\Exception\FatalErrorException
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*/
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public function testPHP54ProcessStatementFails($code)
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{
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if (version_compare(PHP_VERSION, '5.4.0', '<')) {
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$this->markTestSkipped();
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}
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$stmts = $this->parse($code);
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$this->traverser->traverse($stmts);
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}
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public function invalidPHP54Statements()
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{
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return array(
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// In PHP 5.4+, only positive literal integers are allowed
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array('while (true) { break $n; }'),
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array('while (true) { continue $n; }'),
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array('while (true) { break N; }'),
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array('while (true) { continue N; }'),
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array('while (true) { break 0; }'),
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array('while (true) { continue 0; }'),
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array('while (true) { break -1; }'),
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array('while (true) { continue -1; }'),
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array('while (true) { break 1.0; }'),
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array('while (true) { continue 1.0; }'),
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);
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}
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/**
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* @dataProvider validStatements
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*/
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public function testProcessStatementPasses($code)
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{
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$stmts = $this->parse($code);
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$this->traverser->traverse($stmts);
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// @todo a better thing to assert here?
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$this->assertTrue(true);
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}
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public function validStatements()
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{
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return array(
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array('do { break; } while (true)'),
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array('do { continue; } while (true)'),
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array('for ($a; $b; $c) { break; }'),
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array('for ($a; $b; $c) { continue; }'),
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array('foreach ($a as $b) { break; }'),
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array('foreach ($a as $b) { continue; }'),
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array('switch (true) { default: break; }'),
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array('switch (true) { default: continue; }'),
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array('while (true) { break; }'),
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array('while (true) { continue; }'),
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// `break 1` is redundant, but not invalid
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array('while (true) { break 1; }'),
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array('while (true) { continue 1; }'),
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// and once with nested loops just for good measure
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array('while (true) { while (true) { break 2; } }'),
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array('while (true) { while (true) { continue 2; } }'),
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);
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}
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}
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