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

/**
 * Tests that when a recording overlaps the circular buffer, that
 * a class is assigned to the recording notices.
 */

const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
const {
  PROFILER_BUFFER_SIZE_PREF,
} = require("devtools/client/performance/test/helpers/prefs");
const {
  pmmInitWithBrowser,
  pmmStopProfiler,
} = require("devtools/client/performance/test/helpers/profiler-mm-utils");
const {
  initPerformanceInNewTab,
  teardownToolboxAndRemoveTab,
} = require("devtools/client/performance/test/helpers/panel-utils");
const {
  startRecording,
  stopRecording,
} = require("devtools/client/performance/test/helpers/actions");
const {
  waitUntil,
} = require("devtools/client/performance/test/helpers/wait-utils");
const {
  once,
} = require("devtools/client/performance/test/helpers/event-utils");

add_task(async function() {
  // Make sure the profiler module is stopped so we can set a new buffer limit.
  pmmInitWithBrowser(gBrowser);
  await pmmStopProfiler();

  // Keep the profiler's buffer small, to get to 100% really quickly.
  Services.prefs.setIntPref(PROFILER_BUFFER_SIZE_PREF, 10000);

  const { panel } = await initPerformanceInNewTab({
    url: SIMPLE_URL,
    win: window,
  });

  const { EVENTS, $, PerformanceController, PerformanceView } = panel.panelWin;

  // Set a fast profiler-status update interval
  const performanceFront = await panel.target.getFront("performance");
  await performanceFront.setProfilerStatusInterval(10);

  const DETAILS_CONTAINER = $("#details-pane-container");
  const NORMAL_BUFFER_STATUS_MESSAGE = $(
    "#recording-notice .buffer-status-message"
  );
  let gPercent;

  // Start a manual recording.
  await startRecording(panel);

  await waitUntil(async function() {
    [gPercent] = await once(
      PerformanceView,
      EVENTS.UI_RECORDING_PROFILER_STATUS_RENDERED,
      { spreadArgs: true }
    );
    return gPercent == 100;
  });

  ok(true, "Buffer percentage increased in display.");

  const bufferUsage = PerformanceController.getBufferUsageForRecording(
    PerformanceController.getCurrentRecording()
  );
  is(bufferUsage, 1, "Buffer is full for this recording.");
  is(
    DETAILS_CONTAINER.getAttribute("buffer-status"),
    "full",
    "Container has [buffer-status=full]."
  );
  ok(
    NORMAL_BUFFER_STATUS_MESSAGE.value.includes(gPercent + "%"),
    "Buffer status text has correct percentage."
  );

  // Stop the manual recording.
  await stopRecording(panel);

  await teardownToolboxAndRemoveTab(panel);
});