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FunctionReturnInWriteContextPassTest.php
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<?php /* * This file is part of Psy Shell. * * (c) 2012-2018 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\FunctionReturnInWriteContextPass; use Psy\Exception\FatalErrorException; class FunctionReturnInWriteContextPassTest extends CodeCleanerTestCase { public function setUp() { $this->setPass(new FunctionReturnInWriteContextPass()); } /** * @dataProvider invalidStatements * @expectedException \Psy\Exception\FatalErrorException * @expectedExceptionMessage Can't use function return value in write context */ public function testProcessStatementFails($code) { $this->parseAndTraverse($code); } public function invalidStatements() { return [ ['f(&g())'], ['array(& $object->method())'], ['$a->method(& $closure())'], ['array(& A::b())'], ['f() = 5'], ['unset(h())'], ]; } public function testIsset() { try { $this->traverser->traverse($this->parse('isset(strtolower("A"))')); $this->fail(); } catch (FatalErrorException $e) { if (\version_compare(PHP_VERSION, '5.5', '>=')) { $this->assertContains( 'Cannot use isset() on the result of a function call (you can use "null !== func()" instead)', $e->getMessage() ); } else { $this->assertContains("Can't use function return value in write context", $e->getMessage()); } } } /** * @expectedException \Psy\Exception\FatalErrorException * @expectedExceptionMessage Can't use function return value in write context */ public function testEmpty() { if (\version_compare(PHP_VERSION, '5.5', '>=')) { $this->markTestSkipped(); } $this->traverser->traverse($this->parse('empty(strtolower("A"))')); } /** * @dataProvider validStatements */ public function testValidStatements($code) { $this->parseAndTraverse($code); $this->assertTrue(true); } public function validStatements() { return [ ['isset($foo)'], ]; } }
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