gecko/browser/devtools/shared/test/browser_graphs-01.js

69 lines
2.4 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Tests that graph widgets works properly.
let {LineGraphWidget} = Cu.import("resource:///modules/devtools/Graphs.jsm", {});
let {DOMHelpers} = Cu.import("resource:///modules/devtools/DOMHelpers.jsm", {});
let {Promise} = devtools.require("resource://gre/modules/Promise.jsm");
let {Hosts} = devtools.require("devtools/framework/toolbox-hosts");
let test = Task.async(function*() {
yield promiseTab("about:blank");
yield performTest();
gBrowser.removeCurrentTab();
finish();
});
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);
graph.destroy();
host.destroy();
}
function testGraph(host, graph) {
ok(graph._container.classList.contains("line-graph-widget-container"),
"The correct graph container was created.");
ok(graph._canvas.classList.contains("line-graph-widget-canvas"),
"The correct graph container was created.");
let bounds = host.frame.getBoundingClientRect();
is(graph.width, bounds.width * window.devicePixelRatio,
"The graph has the correct width.");
is(graph.height, bounds.height * window.devicePixelRatio,
"The graph has the correct height.");
ok(graph._cursor.x === null,
"The graph's cursor X coordinate is initially null.");
ok(graph._cursor.y === null,
"The graph's cursor Y coordinate is initially null.");
ok(graph._selection.start === null,
"The graph's selection start value is initially null.");
ok(graph._selection.end === null,
"The graph's selection end value is initially null.");
ok(graph._selectionDragger.origin === null,
"The graph's dragger origin value is initially null.");
ok(graph._selectionDragger.anchor.start === null,
"The graph's dragger anchor start value is initially null.");
ok(graph._selectionDragger.anchor.end === null,
"The graph's dragger anchor end value is initially null.");
ok(graph._selectionResizer.margin === null,
"The graph's resizer margin value is initially null.");
}