function testRRD() { $RRD = new RRD("/tmp/test.rrd"); // Add DS $RRD->AddDS(new RRDDS("test", "GAUGE", 3600)); $RRD->AddDS(new RRDDS("test2", "GAUGE", 3600)); // Add RRA $RRD->AddRRA(new RRA("HWPREDICT", array(1440, 0.1, 0.0035, 288))); $RRD->AddRRA(new RRA("AVERAGE", array(0.5, 1, 1000))); $this->assertTrue($RRD->Create(0, 3600) && file_exists("/tmp/test.rrd"), "Database created."); $this->assertTrue($RRD->Update(array(1, 2)), "Database updated."); }