--- /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\LoopContextPass;
+
+class LoopContextPassTest extends CodeCleanerTestCase
+{
+ public function setUp()
+ {
+ $this->pass = new LoopContextPass();
+ $this->traverser = new NodeTraverser();
+ $this->traverser->addVisitor($this->pass);
+ }
+
+ /**
+ * @dataProvider invalidStatements
+ * @expectedException \Psy\Exception\FatalErrorException
+ */
+ public function testProcessStatementFails($code)
+ {
+ $stmts = $this->parse($code);
+ $this->traverser->traverse($stmts);
+ }
+
+ public function invalidStatements()
+ {
+ return array(
+ array('continue'),
+ array('break'),
+ array('if (true) { continue; }'),
+ array('if (true) { break; }'),
+ array('if (false) { continue; }'),
+ array('if (false) { break; }'),
+ array('function foo() { break; }'),
+ array('function foo() { continue; }'),
+
+ // actually enforce break/continue depth argument
+ array('do { break 2; } while (true)'),
+ array('do { continue 2; } while (true)'),
+ array('for ($a; $b; $c) { break 2; }'),
+ array('for ($a; $b; $c) { continue 2; }'),
+ array('foreach ($a as $b) { break 2; }'),
+ array('foreach ($a as $b) { continue 2; }'),
+ array('switch (true) { default: break 2; }'),
+ array('switch (true) { default: continue 2; }'),
+ array('while (true) { break 2; }'),
+ array('while (true) { continue 2; }'),
+
+ // invalid in 5.4+ because they're floats
+ // ... in 5.3 because the number is too big
+ array('while (true) { break 2.0; }'),
+ array('while (true) { continue 2.0; }'),
+
+ // and once with nested loops, just for good measure
+ array('while (true) { while (true) { break 3; } }'),
+ array('while (true) { while (true) { continue 3; } }'),
+ );
+ }
+
+ /**
+ * @dataProvider invalidPHP54Statements
+ * @expectedException \Psy\Exception\FatalErrorException
+ */
+ public function testPHP54ProcessStatementFails($code)
+ {
+ if (version_compare(PHP_VERSION, '5.4.0', '<')) {
+ $this->markTestSkipped();
+ }
+
+ $stmts = $this->parse($code);
+ $this->traverser->traverse($stmts);
+ }
+
+ public function invalidPHP54Statements()
+ {
+ return array(
+ // In PHP 5.4+, only positive literal integers are allowed
+ array('while (true) { break $n; }'),
+ array('while (true) { continue $n; }'),
+ array('while (true) { break N; }'),
+ array('while (true) { continue N; }'),
+ array('while (true) { break 0; }'),
+ array('while (true) { continue 0; }'),
+ array('while (true) { break -1; }'),
+ array('while (true) { continue -1; }'),
+ array('while (true) { break 1.0; }'),
+ array('while (true) { continue 1.0; }'),
+ );
+ }
+
+ /**
+ * @dataProvider validStatements
+ */
+ public function testProcessStatementPasses($code)
+ {
+ $stmts = $this->parse($code);
+ $this->traverser->traverse($stmts);
+ }
+
+ public function validStatements()
+ {
+ return array(
+ array('do { break; } while (true)'),
+ array('do { continue; } while (true)'),
+ array('for ($a; $b; $c) { break; }'),
+ array('for ($a; $b; $c) { continue; }'),
+ array('foreach ($a as $b) { break; }'),
+ array('foreach ($a as $b) { continue; }'),
+ array('switch (true) { default: break; }'),
+ array('switch (true) { default: continue; }'),
+ array('while (true) { break; }'),
+ array('while (true) { continue; }'),
+
+ // `break 1` is redundant, but not invalid
+ array('while (true) { break 1; }'),
+ array('while (true) { continue 1; }'),
+
+ // and once with nested loops just for good measure
+ array('while (true) { while (true) { break 2; } }'),
+ array('while (true) { while (true) { continue 2; } }'),
+ );
+ }
+}