mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
102 lines
2.7 KiB
PHP
102 lines
2.7 KiB
PHP
<?php
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/**
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* @package framework
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* @subpackage tests
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*/
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class MemoryLimitTest extends SapphireTest {
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function testIncreaseMemoryLimitTo() {
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if(!$this->canChangeMemory()) return;
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ini_set('memory_limit', '64M');
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// It can go up
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increase_memory_limit_to('128M');
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$this->assertEquals('128M', ini_get('memory_limit'));
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// But not down
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increase_memory_limit_to('64M');
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$this->assertEquals('128M', ini_get('memory_limit'));
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// Test the different kinds of syntaxes
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increase_memory_limit_to(1024*1024*200);
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$this->assertEquals(1024*1024*200, ini_get('memory_limit'));
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increase_memory_limit_to('409600K');
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$this->assertEquals('409600K', ini_get('memory_limit'));
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increase_memory_limit_to('1G');
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// If memory limit was left at 409600K, that means that the current testbox doesn't have
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// 1G of memory available. That's okay; let's not report a failure for that.
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if(ini_get('memory_limit') != '409600K') {
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$this->assertEquals('1G', ini_get('memory_limit'));
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}
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// No argument means unlimited
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increase_memory_limit_to();
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$this->assertEquals(-1, ini_get('memory_limit'));
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}
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function testIncreaseTimeLimitTo() {
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if(!$this->canChangeMemory()) return;
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set_time_limit(6000);
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// It can go up
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increase_time_limit_to(7000);
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$this->assertEquals(7000, ini_get('max_execution_time'));
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// But not down
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increase_time_limit_to(5000);
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$this->assertEquals(7000, ini_get('max_execution_time'));
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// 0/nothing means infinity
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increase_time_limit_to();
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$this->assertEquals(0, ini_get('max_execution_time'));
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// Can't go down from there
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increase_time_limit_to(10000);
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$this->assertEquals(0, ini_get('max_execution_time'));
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}
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///////////////////
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private $origMemLimit, $origTimeLimit;
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function setUp() {
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$this->origMemLimit = ini_get('memory_limit');
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$this->origTimeLimit = ini_get('max_execution_time');
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$this->origMemLimitMax = get_increase_memory_limit_max();
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$this->origTimeLimitMax = get_increase_time_limit_max();
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set_increase_memory_limit_max(-1);
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set_increase_time_limit_max(-1);
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}
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function tearDown() {
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ini_set('memory_limit', $this->origMemLimit);
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set_time_limit($this->origTimeLimit);
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set_increase_memory_limit_max($this->origMemLimitMax);
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set_increase_time_limit_max($this->origTimeLimitMax);
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}
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/**
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* Determines wether the environment generally allows
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* to change the memory limits, which is not always the case.
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*
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* @return Boolean
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*/
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protected function canChangeMemory() {
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$exts = get_loaded_extensions();
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// see http://www.hardened-php.net/suhosin/configuration.html#suhosin.memory_limit
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if(in_array('suhosin', $exts)) return false;
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// We can't change memory limit in safe mode
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if(ini_get('safe_mode')) return false;
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return true;
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}
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}
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