gecko-dev/devtools/client/performance/test/browser_timeline-waterfall-...

54 строки
1.4 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Tests if the waterfall background is a 1px high canvas stretching across
* the container bounds.
*/
const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const {
initPerformanceInNewTab,
teardownToolboxAndRemoveTab,
} = require("devtools/client/performance/test/helpers/panel-utils");
const {
startRecording,
stopRecording,
waitForOverviewRenderedWithMarkers,
} = require("devtools/client/performance/test/helpers/actions");
add_task(async function() {
const { panel } = await initPerformanceInNewTab({
url: SIMPLE_URL,
win: window,
});
const { WaterfallView } = panel.panelWin;
await startRecording(panel);
ok(true, "Recording has started.");
// Ensure overview is rendering and some markers were received.
await waitForOverviewRenderedWithMarkers(panel);
await stopRecording(panel);
ok(true, "Recording has ended.");
// Test the waterfall background.
ok(
WaterfallView.canvas,
"A canvas should be created after the recording ended."
);
is(
WaterfallView.canvas.width,
WaterfallView.waterfallWidth,
"The canvas width is correct."
);
is(WaterfallView.canvas.height, 1, "The canvas height is correct.");
await teardownToolboxAndRemoveTab(panel);
});