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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\ListPass;
class ListPassTest extends CodeCleanerTestCase
{
public function setUp()
{
$this->setPass(new ListPass());
}
/**
* @dataProvider invalidStatements
* @expectedException \Psy\Exception\ParseErrorException
*/
public function testProcessInvalidStatement($code, $expectedMessage)
{
if (\method_exists($this, 'setExpectedException')) {
$this->setExpectedException('Psy\Exception\ParseErrorException', $expectedMessage);
} else {
$this->expectExceptionMessage($expectedMessage);
}
$stmts = $this->parse($code);
$this->traverser->traverse($stmts);
}
public function invalidStatements()
{
// Not typo. It is ambiguous whether "Syntax" or "syntax".
$errorShortListAssign = "yntax error, unexpected '='";
$errorEmptyList = 'Cannot use empty list';
$errorAssocListAssign = 'Syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting \',\' or \')\'';
$errorNonVariableAssign = 'Assignments can only happen to writable values';
$errorPhpParserSyntax = 'PHP Parse error: Syntax error, unexpected';
$invalidExpr = [
['list() = array()', $errorEmptyList],
['list("a") = array(1)', $errorPhpParserSyntax],
];
if (\version_compare(PHP_VERSION, '7.1', '<')) {
return \array_merge($invalidExpr, [
['list("a" => _) = array("a" => 1)', $errorPhpParserSyntax],
['[] = []', $errorShortListAssign],
['[$a] = [1]', $errorShortListAssign],
['list("a" => $a) = array("a" => 1)', $errorAssocListAssign],
['[$a[0], $a[1]] = [1, 2]', $errorShortListAssign],
['[$a->b, $a->c] = [1, 2]', $errorShortListAssign],
]);
}
return \array_merge($invalidExpr, [
['list("a" => _) = array("a" => 1)', $errorPhpParserSyntax],
['["a"] = [1]', $errorNonVariableAssign],
['[] = []', $errorEmptyList],
['[,] = [1,2]', $errorEmptyList],
['[,,] = [1,2,3]', $errorEmptyList],
]);
}
/**
* @dataProvider validStatements
*/
public function testProcessValidStatement($code)
{
$stmts = $this->parse($code);
$this->traverser->traverse($stmts);
$this->assertTrue(true);
}
public function validStatements()
{
$validExpr = [
['list($a) = array(1)'],
['list($x, $y) = array(1, 2)'],
];
if (\version_compare(PHP_VERSION, '7.1', '>=')) {
return \array_merge($validExpr, [
['[$a] = array(1)'],
['list($b) = [2]'],
['[$x, $y] = array(1, 2)'],
['[$a] = [1]'],
['[$x, $y] = [1, 2]'],
['["_" => $v] = ["_" => 1]'],
['[$a,] = [1,2,3]'],
['[,$b] = [1,2,3]'],
['[$a,,$c] = [1,2,3]'],
['[$a,,,] = [1,2,3]'],
['[$a[0], $a[1]] = [1, 2]'],
['[$a[0][0][0], $a[0][0][1]] = [1, 2]'],
['[$a->b, $a->c] = [1, 2]'],
['[$a->b[0], $a->c[1]] = [1, 2]'],
['[$a[0]->b[0], $a[0]->c[1]] = [1, 2]'],
['[$a[$b->c + $b->d]] = [1]'],
['[$a->c()->d, $a->c()->e] = [1, 2]'],
['[x()->a, x()->b] = [1, 2]'],
]);
}
return $validExpr;
}
}