tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_memory_allocationStackDisplay_01.js (1786B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 // Sanity test that we can show allocation stack displays in the tree.
      5 
      6 "use strict";
      7 
      8 const {
      9  toggleRecordingAllocationStacks,
     10 } = require("resource://devtools/client/memory/actions/allocations.js");
     11 const {
     12  takeSnapshotAndCensus,
     13 } = require("resource://devtools/client/memory/actions/snapshot.js");
     14 const censusDisplayActions = require("resource://devtools/client/memory/actions/census-display.js");
     15 const { viewState } = require("resource://devtools/client/memory/constants.js");
     16 const {
     17  changeView,
     18 } = require("resource://devtools/client/memory/actions/view.js");
     19 
     20 const TEST_URL =
     21  "http://example.com/browser/devtools/client/memory/test/browser/doc_steady_allocation.html";
     22 
     23 this.test = makeMemoryTest(TEST_URL, async function ({ panel }) {
     24  const heapWorker = panel.panelWin.gHeapAnalysesClient;
     25  const { getState, dispatch } = panel.panelWin.gStore;
     26  const front = getState().front;
     27  const doc = panel.panelWin.document;
     28 
     29  dispatch(changeView(viewState.CENSUS));
     30 
     31  dispatch(
     32    censusDisplayActions.setCensusDisplay(
     33      censusDisplays.invertedAllocationStack
     34    )
     35  );
     36  is(getState().censusDisplay.breakdown.by, "allocationStack");
     37 
     38  await dispatch(toggleRecordingAllocationStacks(panel._commands));
     39  ok(getState().allocations.recording);
     40 
     41  // Let some allocations build up.
     42  await waitForTime(500);
     43 
     44  await dispatch(takeSnapshotAndCensus(front, heapWorker));
     45 
     46  const names = [...doc.querySelectorAll(".frame-link-function-display-name")];
     47  ok(names.length, "Should have rendered some allocation stack tree items");
     48  ok(
     49    names.some(e => !!e.textContent.trim()),
     50    "And at least some of them should have functionDisplayNames"
     51  );
     52 });