public function testPrefix()
{
$memoryCache = new Matryoshka\Ephemeral();
$prefix = 'prefix';
$prefixedCache = new Matryoshka\Prefix($memoryCache, $prefix);
list($key, $value) = $this->getRandomKeyValue();
$this->assertNull($prefixedCache->get($key));
$this->assertTrue($prefixedCache->set($key, $value));
$this->assertSame($value, $prefixedCache->get($key));
$this->assertSame($value, $memoryCache->get("{$prefix}{$key}"));
$this->assertNull($memoryCache->get($key));
$this->assertTrue($prefixedCache->delete($key));
$this->assertNull($prefixedCache->get($key));
$this->assertNull($memoryCache->get("{$prefix}{$key}"));
$this->assertNull($memoryCache->get($key));
}
