<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Tests\Caster;

use PHPUnit\Framework\TestCase;
use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Test\VarDumperTestTrait;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
class CasterTest extends TestCase
{
	use VarDumperTestTrait;

	private $referenceArray = array(
		'null' => null,
		'empty' => false,
		'public' => 'pub',
		"\0~\0virtual" => 'virt',
		"\0+\0dynamic" => 'dyn',
		"\0*\0protected" => 'prot',
		"\0Foo\0private" => 'priv',
	);

	/**
	 * @dataProvider provideFilter
	 */
	public function testFilter($filter, $expectedDiff, $listedProperties = null)
	{
		if (null === $listedProperties) {
			$filteredArray = Caster::filter($this->referenceArray, $filter);
		} else {
			$filteredArray = Caster::filter($this->referenceArray, $filter, $listedProperties);
		}

		$this->assertSame($expectedDiff, array_diff_assoc($this->referenceArray, $filteredArray));
	}

	public function provideFilter()
	{
		return array(
			array(
				0,
				array(),
			),
			array(
				Caster::EXCLUDE_PUBLIC,
				array(
					'null' => null,
					'empty' => false,
					'public' => 'pub',
				),
			),
			array(
				Caster::EXCLUDE_NULL,
				array(
					'null' => null,
				),
			),
			array(
				Caster::EXCLUDE_EMPTY,
				array(
					'null' => null,
					'empty' => false,
				),
			),
			array(
				Caster::EXCLUDE_VIRTUAL,
				array(
					"\0~\0virtual" => 'virt',
				),
			),
			array(
				Caster::EXCLUDE_DYNAMIC,
				array(
					"\0+\0dynamic" => 'dyn',
				),
			),
			array(
				Caster::EXCLUDE_PROTECTED,
				array(
					"\0*\0protected" => 'prot',
				),
			),
			array(
				Caster::EXCLUDE_PRIVATE,
				array(
					"\0Foo\0private" => 'priv',
				),
			),
			array(
				Caster::EXCLUDE_VERBOSE,
				array(
					'public' => 'pub',
					"\0*\0protected" => 'prot',
				),
				array('public', "\0*\0protected"),
			),
			array(
				Caster::EXCLUDE_NOT_IMPORTANT,
				array(
					'null' => null,
					'empty' => false,
					"\0~\0virtual" => 'virt',
					"\0+\0dynamic" => 'dyn',
					"\0Foo\0private" => 'priv',
				),
				array('public', "\0*\0protected"),
			),
			array(
				Caster::EXCLUDE_VIRTUAL | Caster::EXCLUDE_DYNAMIC,
				array(
					"\0~\0virtual" => 'virt',
					"\0+\0dynamic" => 'dyn',
				),
			),
			array(
				Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_VERBOSE,
				$this->referenceArray,
				array('public', "\0*\0protected"),
			),
			array(
				Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_EMPTY,
				array(
					'null' => null,
					'empty' => false,
					"\0~\0virtual" => 'virt',
					"\0+\0dynamic" => 'dyn',
					"\0*\0protected" => 'prot',
					"\0Foo\0private" => 'priv',
				),
				array('public', 'empty'),
			),
			array(
				Caster::EXCLUDE_VERBOSE | Caster::EXCLUDE_EMPTY | Caster::EXCLUDE_STRICT,
				array(
					'empty' => false,
				),
				array('public', 'empty'),
			),
		);
	}

	/**
	 * @requires PHP 7.0
	 */
	public function testAnonymousClass()
	{
		$c = eval('return new class extends stdClass { private $foo = "foo"; };');

		$this->assertDumpMatchesFormat(
			<<<'EOTXT'
stdClass@anonymous {
  -foo: "foo"
}
EOTXT
			, $c
		);

		$c = eval('return new class { private $foo = "foo"; };');

		$this->assertDumpMatchesFormat(
			<<<'EOTXT'
@anonymous {
  -foo: "foo"
}
EOTXT
			, $c
		);
	}
}