/**
* @return void
*/
public function testGetStringAtIndexWithFileBasedStrategy()
{
// force the file-based strategy by setting no memory limit
$originalMemoryLimit = ini_get('memory_limit');
ini_set('memory_limit', '-1');
$resourcePath = $this->getResourcePath('sheet_with_lots_of_shared_strings.xlsx');
$sharedStringsHelper = new SharedStringsHelper($resourcePath);
$sharedStringsHelper->extractSharedStrings();
$sharedString = $sharedStringsHelper->getStringAtIndex(0);
$this->assertEquals('str', $sharedString);
$sharedString = $sharedStringsHelper->getStringAtIndex(CachingStrategyFactory::MAX_NUM_STRINGS_PER_TEMP_FILE + 1);
$this->assertEquals('str', $sharedString);
$usedCachingStrategy = \ReflectionHelper::getValueOnObject($sharedStringsHelper, 'cachingStrategy');
$this->assertTrue($usedCachingStrategy instanceof FileBasedStrategy);
$sharedStringsHelper->cleanup();
ini_set('memory_limit', $originalMemoryLimit);
}
