tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_memory_percents_01.js (1875B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 // Sanity test that we calculate percentages in the tree.
      5 
      6 "use strict";
      7 
      8 const {
      9  takeSnapshotAndCensus,
     10 } = require("resource://devtools/client/memory/actions/snapshot.js");
     11 const { viewState } = require("resource://devtools/client/memory/constants.js");
     12 const {
     13  changeView,
     14 } = require("resource://devtools/client/memory/actions/view.js");
     15 
     16 const TEST_URL =
     17  "http://example.com/browser/devtools/client/memory/test/browser/doc_steady_allocation.html";
     18 
     19 function checkCells(cells) {
     20  Assert.greater(cells.length, 1, "Should have found some");
     21  // Ignore the first header cell.
     22  for (const cell of cells.slice(1)) {
     23    const percent = cell.querySelector(".heap-tree-percent");
     24    ok(percent, "should have a percent cell");
     25    ok(
     26      percent.textContent.match(/^\d?\d%$/),
     27      "should be of the form nn% or n%"
     28    );
     29  }
     30 }
     31 
     32 this.test = makeMemoryTest(TEST_URL, async function ({ panel }) {
     33  const heapWorker = panel.panelWin.gHeapAnalysesClient;
     34  const { getState, dispatch } = panel.panelWin.gStore;
     35  const front = getState().front;
     36  const doc = panel.panelWin.document;
     37 
     38  dispatch(changeView(viewState.CENSUS));
     39 
     40  await dispatch(takeSnapshotAndCensus(front, heapWorker));
     41  is(
     42    getState().censusDisplay.breakdown.by,
     43    "coarseType",
     44    "Should be using coarse type breakdown"
     45  );
     46 
     47  const bytesCells = [...doc.querySelectorAll(".heap-tree-item-bytes")];
     48  checkCells(bytesCells);
     49 
     50  const totalBytesCells = [
     51    ...doc.querySelectorAll(".heap-tree-item-total-bytes"),
     52  ];
     53  checkCells(totalBytesCells);
     54 
     55  const countCells = [...doc.querySelectorAll(".heap-tree-item-count")];
     56  checkCells(countCells);
     57 
     58  const totalCountCells = [
     59    ...doc.querySelectorAll(".heap-tree-item-total-count"),
     60  ];
     61  checkCells(totalCountCells);
     62 });