tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_DominatorTree_04.js (930B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 "use strict";
      4 
      5 // Test that we can get the retained sizes of dominator trees.
      6 
      7 function run_test() {
      8  const dominatorTree = saveHeapSnapshotAndComputeDominatorTree();
      9  equal(
     10    typeof dominatorTree.getRetainedSize,
     11    "function",
     12    "getRetainedSize should be a function"
     13  );
     14 
     15  const size = dominatorTree.getRetainedSize(dominatorTree.root);
     16  ok(size, "should get a size for the root");
     17  equal(typeof size, "number", "retained sizes should be a number");
     18  equal(Math.floor(size), size, "size should be an integer");
     19  Assert.greater(size, 0, "size should be positive");
     20  Assert.lessOrEqual(
     21    size,
     22    Math.pow(2, 64),
     23    "size should be less than or equal to 2^64"
     24  );
     25 
     26  const bad = dominatorTree.getRetainedSize(1);
     27  equal(bad, null, "null is returned for unknown node ids");
     28 
     29  do_test_finished();
     30 }