gecko-dev/devtools/client/shared/test/browser_graphs-13.js

45 строки
1.3 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests that graph widgets may have a fixed width or height.
const LineGraphWidget = require("devtools/client/shared/widgets/LineGraphWidget");
add_task(async function() {
await addTab("about:blank");
await performTest();
gBrowser.removeCurrentTab();
});
async function performTest() {
const [host,, doc] = await createHost();
doc.body.setAttribute("style",
"position: fixed; width: 100%; height: 100%; margin: 0;");
const graph = new LineGraphWidget(doc.body, "fps");
graph.fixedWidth = 200;
graph.fixedHeight = 100;
await graph.ready();
testGraph(host, graph);
await graph.destroy();
host.destroy();
}
function testGraph(host, graph) {
const 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.");
}