gnu-social/vendor/psy/psysh/test/CodeCleaner/FunctionReturnInWriteContex...

92 lines
2.4 KiB
PHP

<?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)'],
];
}
}