<?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\Validator\Tests\Constraints;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Validator\Constraints\File;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;

class FileTest extends TestCase
{
    /**
     * @dataProvider provideValidSizes
     */
    public function testMaxSize($maxSize, $bytes, $binaryFormat)
    {
        $file = new File(array('maxSize' => $maxSize));

        $this->assertSame($bytes, $file->maxSize);
        $this->assertSame($binaryFormat, $file->binaryFormat);
        $this->assertTrue($file->__isset('maxSize'));
    }

    public function testMagicIsset()
    {
        $file = new File(array('maxSize' => 1));

        $this->assertTrue($file->__isset('maxSize'));
        $this->assertTrue($file->__isset('groups'));
        $this->assertFalse($file->__isset('toto'));
    }

    /**
     * @dataProvider provideValidSizes
     */
    public function testMaxSizeCanBeSetAfterInitialization($maxSize, $bytes, $binaryFormat)
    {
        $file = new File();
        $file->maxSize = $maxSize;

        $this->assertSame($bytes, $file->maxSize);
        $this->assertSame($binaryFormat, $file->binaryFormat);
    }

    /**
     * @dataProvider provideInvalidSizes
     * @expectedException \Symfony\Component\Validator\Exception\ConstraintDefinitionException
     */
    public function testInvalidValueForMaxSizeThrowsExceptionAfterInitialization($maxSize)
    {
        $file = new File(array('maxSize' => 1000));
        $file->maxSize = $maxSize;
    }

    /**
     * @dataProvider provideInvalidSizes
     */
    public function testMaxSizeCannotBeSetToInvalidValueAfterInitialization($maxSize)
    {
        $file = new File(array('maxSize' => 1000));

        try {
            $file->maxSize = $maxSize;
        } catch (ConstraintDefinitionException $e) {
        }

        $this->assertSame(1000, $file->maxSize);
    }

    /**
     * @dataProvider provideInValidSizes
     * @expectedException \Symfony\Component\Validator\Exception\ConstraintDefinitionException
     */
    public function testInvalidMaxSize($maxSize)
    {
        new File(array('maxSize' => $maxSize));
    }

    public function provideValidSizes()
    {
        return array(
            array('500', 500, false),
            array(12300, 12300, false),
            array('1ki', 1024, true),
            array('1KI', 1024, true),
            array('2k', 2000, false),
            array('2K', 2000, false),
            array('1mi', 1048576, true),
            array('1MI', 1048576, true),
            array('3m', 3000000, false),
            array('3M', 3000000, false),
        );
    }

    public function provideInvalidSizes()
    {
        return array(
            array('+100'),
            array('foo'),
            array('1Ko'),
            array('1kio'),
            array('1G'),
            array('1Gi'),
        );
    }

    /**
     * @dataProvider provideFormats
     */
    public function testBinaryFormat($maxSize, $guessedFormat, $binaryFormat)
    {
        $file = new File(array('maxSize' => $maxSize, 'binaryFormat' => $guessedFormat));

        $this->assertSame($binaryFormat, $file->binaryFormat);
    }

    public function provideFormats()
    {
        return array(
            array(100, null, false),
            array(100, true, true),
            array(100, false, false),
            array('100K', null, false),
            array('100K', true, true),
            array('100K', false, false),
            array('100Ki', null, true),
            array('100Ki', true, true),
            array('100Ki', false, false),
        );
    }
}
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