function* performTest() {
let [host, win, doc] = yield createHost();
doc.body.setAttribute("style", "position: fixed; width: 100%; height: 100%; margin: 0;");
let first = document.createElement("div");
first.setAttribute("style", "display: inline-block; width: 100%; height: 50%;");
doc.body.appendChild(first);
let second = document.createElement("div");
second.setAttribute("style", "display: inline-block; width: 100%; height: 50%;");
doc.body.appendChild(second);
let graph1 = new LineGraphWidget(first, "js");
let graph2 = new BarGraphWidget(second);
CanvasGraphUtils.linkAnimation(graph1, graph2);
CanvasGraphUtils.linkSelection(graph1, graph2);
yield graph1.ready();
yield graph2.ready();
testGraphs(graph1, graph2);
yield graph1.destroy();
yield graph2.destroy();
host.destroy();
}
function* performTest() {
let [host, win, doc] = yield createHost();
doc.body.setAttribute("style", "position: fixed; width: 100%; height: 100%; margin: 0;");
let graph = new LineGraphWidget(doc.body, "fps");
let readyEventEmitted;
graph.once("ready", () => readyEventEmitted = true);
yield graph.ready();
ok(readyEventEmitted, "The 'ready' event should have been emitted");
testGraph(host, graph);
yield graph.destroy();
host.destroy();
}