function testRRDGraph()
{
$graph = new RRDGraph(450, 150);
//Add DEF
$graph->AddDEF("L1", dirname(__FILE__) . "/test.rrd", "L1", "AVERAGE");
$graph->AddDEF("L2", dirname(__FILE__) . "/test.rrd", "L2", "AVERAGE");
$graph->AddDEF("L3", dirname(__FILE__) . "/test.rrd", "L3", "AVERAGE");
//Add Lines
$graph->AddLine(1, "L1", "#00FF00", "Test line 1");
$graph->AddLine(2, "L2", "#FF0000", "Test line 2");
// Add Area
$graph->AddArea("L3", "#0000FF", "Test area");
$graph->SetXGridStyle("WEEK", 1, "MONTH", 1, "MONTH", 1, 1, "%b");
$graph->Title = "TEST GRAPH";
$res = $graph->Plot("/tmp/test.gif", "-1y", "now");
$this->assertTrue($res, "Graph created");
}
