gecko/browser/devtools/shared/test/browser_graphs-13.js

46 lines
1.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Tests that graph widgets may have a fixed width or height.
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");
graph.fixedWidth = 200;
graph.fixedHeight = 100;
yield graph.ready();
testGraph(host, graph);
graph.destroy();
host.destroy();
}
function testGraph(host, graph) {
let bounds = host.frame.getBoundingClientRect();
isnot(graph.width, bounds.width * window.devicePixelRatio,
"The graph should not span all the parent node's width.");
isnot(graph.height, bounds.height * window.devicePixelRatio,
"The graph should not span all the parent node's height.");
is(graph.width, graph.fixedWidth * window.devicePixelRatio,
"The graph has the correct width.");
is(graph.height, graph.fixedHeight * window.devicePixelRatio,
"The graph has the correct height.");
}