/**
* Do empty namespace tests.
*/
protected function doTestEmptyNamespace(CacheInterface $decoratedCache)
{
// ensure we are clean
$decoratedCache->flush();
if ($decoratedCache instanceof NamespaceCache) {
$decoratedCache->getCache()->flush();
}
$cache = new NamespaceCache($decoratedCache);
$this->assertFalse($cache->contains('yin'));
$this->assertNull($cache->fetch('yin'));
$this->assertTrue($cache->save('yin', 'yang'));
$this->assertTrue($cache->contains('yin'));
$this->assertEquals('yang', $cache->fetch('yin'));
// check decorated cache as that should be the same
$this->assertTrue($decoratedCache->contains('yin'));
$cache->flush();
if ($stats = $decoratedCache->getStats()) {
$this->assertFalse($cache->contains('foo'));
$this->assertEquals(0, $stats[CacheInterface::STATS_SIZE]);
}
}
/**
* Test stats.
*
* @dataProvider cacheProvider
*/
public function testStats(CacheInterface $cache)
{
$this->assertTrue(is_array($stats = $cache->getStats()) || null === $stats);
}
