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[EDIT] FILE: QuotaTestCase.php

<?php
/**
 * This file is part of vfsStream.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @package  org\bovigo\vfs
 */
namespace org\bovigo\vfs;
/**
 * Test for org\bovigo\vfs\Quota.
 *
 * @group  issue_35
 */
class QuotaTestCase extends \BC_PHPUnit_Framework_TestCase
{
    /**
     * instance to test
     *
     * @type  Quota
     */
    private $quota;

/**
     * set up test environment
     */
    public function setUp(): void
    {
        $this->quota = new Quota(10);
    }

/**
     * @test
     */
    public function unlimitedQuotaIsNotLimited()
    {
        $this->assertFalse(Quota::unlimited()->isLimited());
    }

/**
     * @test
     */
    public function limitedQuotaIsLimited()
    {
        $this->assertTrue($this->quota->isLimited());
    }

/**
     * @test
     */
    public function unlimitedQuotaHasAlwaysSpaceLeft()
    {
        $this->assertEquals(303, Quota::unlimited()->spaceLeft(303));
    }

/**
     * @test
     */
    public function hasNoSpaceLeftWhenUsedSpaceIsLargerThanQuota()
    {
        $this->assertEquals(0, $this->quota->spaceLeft(11));
    }

/**
     * @test
     */
    public function hasNoSpaceLeftWhenUsedSpaceIsEqualToQuota()
    {
        $this->assertEquals(0, $this->quota->spaceLeft(10));
    }

/**
     * @test
     */
    public function hasSpaceLeftWhenUsedSpaceIsLowerThanQuota()
    {
        $this->assertEquals(1, $this->quota->spaceLeft(9));
    }
}

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