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<?php |
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namespace WebPConvert\Tests\Convert\BaseConverters; |
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use WebPConvert\Convert\Helpers\PhpIniSizes; |
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use PHPUnit\Framework\TestCase; |
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class PhpIniSizesTest extends TestCase |
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{ |
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|
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public function testParseShortHandSize() |
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{ |
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// Test without units |
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$this->assertEquals(0, PhpIniSizes::parseShortHandSize('0')); |
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$this->assertEquals(10, PhpIniSizes::parseShortHandSize('10')); |
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|
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// Test "k" unit |
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$this->assertEquals(1024, PhpIniSizes::parseShortHandSize('1k')); |
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|
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// Test capitial "K" |
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$this->assertEquals(1024, PhpIniSizes::parseShortHandSize('1K')); |
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|
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// Test "M" unit |
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$this->assertEquals(1024 * 1024, PhpIniSizes::parseShortHandSize('1M')); |
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|
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// Test "G" unit |
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$this->assertEquals(1024 * 1024 * 1024, PhpIniSizes::parseShortHandSize('1G')); |
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|
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// Moving to terrabytes, we have to be careful. |
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// Terrabytes cannot be represented as integers on 32 bit systems. |
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// (on 32 bit systems, max integer value is 107.374.182.400, which can represent up to ~107G) |
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|
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// Testing floating point numbers for equality is prone to errors. |
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//$this->assertInternalType('int', PhpIniSizes::parseShortHandSize('10')); |
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//$this->assertEquals(10.0, 10); |
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|
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|
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// So, ie "200G" can not be represented by an int. |
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|
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// The computation goes: |
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// floor($size) * pow(1024, stripos('bkmgtpezy', $unit[0])); |
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// floor() always returns float, according to docs (but may also |
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// pow() returns int unless the number is too high, in that case it returns float. |
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// And the result? What do you get if you multiply an int and a float (which is in fact representating an integer), |
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// and the result is more than PHP_INT_MAX? |
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// In the docs, it states the following: |
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// "an operation which results in a number beyond the bounds of the integer type will return a float instead." |
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// [https://www.php.net/manual/en/language.types.integer.php] |
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// Se it seems we are good. |
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// But let's check! |
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|
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$greatComputation = floor(100) * PHP_INT_MAX; |
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$this->assertGreaterThan(PHP_INT_MAX, $greatComputation); |
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|
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$greaterComputation = floatval(200) * floatval(PHP_INT_MAX); |
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$this->assertGreaterThan($greatComputation, $greaterComputation); |
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|
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// Test "T" unit |
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$this->assertGreaterThan(PhpIniSizes::parseShortHandSize('1G'), PhpIniSizes::parseShortHandSize('100T')); |
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$this->assertGreaterThan(1024 * 1024 * 1024 * 1024, PhpIniSizes::parseShortHandSize('1T') + 1); |
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// Test that decimals are trunked, as described here: |
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// https://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes |
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$this->assertEquals(1024, PhpIniSizes::parseShortHandSize('1.5k')); |
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$this->assertEquals(0, PhpIniSizes::parseShortHandSize('0.5M')); |
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|
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// Test syntax violations, which must result in parse error. |
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$this->assertFalse(PhpIniSizes::parseShortHandSize('0.5MM')); |
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$this->assertFalse(PhpIniSizes::parseShortHandSize('//5')); |
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} |
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|
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/* TODO... |
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public function testTestFilesizeRequirements() |
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{ |
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$iniValue = ini_get('upload_max_filesize'); |
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|
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// could we call ini_set? instead of mocking ini_get ? |
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} |
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*/ |
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} |
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