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

/**
 * Test that we get "GarbageCollection" markers.
 */
"use strict";

const MARKER_NAME = "GarbageCollection";

add_task(async function() {
  const target = await addTabTarget(MAIN_DOMAIN + "doc_force_gc.html");
  const front = await target.getFront("performance");
  const rec = await front.startRecording({ withMarkers: true });

  let markers = await waitForMarkerType(front, MARKER_NAME);
  await front.stopRecording(rec);

  ok(
    markers.some(m => m.name === MARKER_NAME),
    `got some ${MARKER_NAME} markers`
  );
  ok(
    markers.every(({ causeName }) => typeof causeName === "string"),
    "All markers have a causeName."
  );
  ok(
    markers.every(({ cycle }) => typeof cycle === "number"),
    "All markers have a `cycle` ID."
  );

  markers = rec.getMarkers();

  // Bug 1197646
  let ordered = true;
  markers.reduce((previousStart, current, i) => {
    if (i === 0) {
      return current.start;
    }
    if (current.start < previousStart) {
      ok(
        false,
        `markers must be in order. ${current.name} marker has later\
        start time (${current.start}) thanprevious: ${previousStart}`
      );
      ordered = false;
    }
    return current.start;
  });

  is(ordered, true, "All GC and non-GC markers are in order by start time.");

  await target.destroy();
  gBrowser.removeCurrentTab();
});