DataSizeTest.php

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<?php
/* Copyright (c) 2017 Daniel Weise <daniel.weise@concepts-and-training.de> Extended GPL, see docs/LICENSE */

require_once("./libs/composer/vendor/autoload.php");

use ILIAS\Data\DataSize;

class DataSizeTest extends PHPUnit_Framework_TestCase
{
    public function test_normal($a, $b, $expected)
    {
        $ds = new DataSize($a, $b);
        $this->assertEquals($a / $b, $ds->getSize());
        $this->assertEquals($b, $ds->getUnit());
        $this->assertEquals($expected, $ds->__toString());
    }

    public function test_division_by_zero()
    {
        try {
            $ds = new DataSize(4533, 0);
            $this->assertFalse("This should not happen");
        } catch (\Exception $e) {
            $this->assertTrue(true);
        }
    }

    public function tDataProvider()
    {
        return array(array(122, 1000, "0.122 KB"),
                     array(-122, 1000, "-0.122 KB"),
                     array(122, 1000000, "0.000122 MB"),
                     array(-122, 1000000, "-0.000122 MB"),
                     array(122, 1000000000, "1.22E-7 GB"),
                     array(-122, 1000000000, "-1.22E-7 GB"),
                     array(122, 1000000000000, "1.22E-10 TB"),
                     array(-122, 1000000000000, "-1.22E-10 TB"),
                     array(122, 1000000000000000, "1.22E-13 PB"),
                     array(-122, 1000000000000000, "-1.22E-13 PB"),
                     array(122, 1000000000000000000, "1.22E-16 EB"),
                     array(-122, 1000000000000000000, "-1.22E-16 EB"),

                     // This tests will fail because the second param of DataSize
                     // needs an integer and this numbers are to big.
                     // array(122, 1000000000000000000000, "1.22E-19 ZB"),
                     // array(-122, 1000000000000000000000, "-1.22E-19 ZB"),
                     // array(122, 1000000000000000000000000, "1.22E-19 YB"),
                     // array(-122, 1000000000000000000000000, "-1.22E-19 YB")

                     array(122, 1024, "0.119140625 KiB"),
                     array(-122, 1024, "-0.119140625 KiB"),
                     array(122, 1048576, "0.00011634826660156 MiB"),
                     array(-122, 1048576, "-0.00011634826660156 MiB"),
                     array(122, 1073741824, "1.1362135410309E-7 GiB"),
                     array(-122, 1073741824, "-1.1362135410309E-7 GiB"),
                     array(122, 1099511627776, "1.109583536163E-10 TiB"),
                     array(-122, 1099511627776, "-1.109583536163E-10 TiB"),
                     array(122, 1125899906842624, "1.0835776720342E-13 PiB"),
                     array(-122, 1125899906842624, "-1.0835776720342E-13 PiB"),
                     array(122, 1152921504606846976, "1.0581813203459E-16 EiB"),
                     array(-122, 1152921504606846976, "-1.0581813203459E-16 EiB")
                    );
    }
}