devtools/client/performance/test/browser_perf-details-render-00-waterfall.js


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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";

/**
 * Tests that the waterfall view renders content after recording.
 */

const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");

add_task(function* () {
  let { panel } = yield initPerformanceInNewTab({
    url: SIMPLE_URL,
    win: window
  });

  let { DetailsView, WaterfallView } = panel.panelWin;

  yield startRecording(panel);
  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
  yield stopRecording(panel);

  ok(DetailsView.isViewSelected(WaterfallView),
    "The waterfall view is selected by default in the details view.");

  ok(true, "WaterfallView rendered after recording is stopped.");

  yield startRecording(panel);
  // Already waits for EVENTS.UI_WATERFALL_RENDERED.
  yield stopRecording(panel);

  ok(DetailsView.isViewSelected(WaterfallView),
    "The waterfall view is still selected in the details view.");

  ok(true, "WaterfallView rendered again after recording completed a second time.");

  yield teardownToolboxAndRemoveTab(panel);
});