test_DominatorTree_03.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test that we can get the root of dominator trees.

function run_test() {

  const dominatorTree = saveHeapSnapshotAndComputeDominatorTree();

  equal(typeof dominatorTree.root, "number", "root should be a number");

  equal(

    Math.floor(dominatorTree.root),

    dominatorTree.root,

    "root should be an integer"

);

  Assert.greaterOrEqual(dominatorTree.root, 0, "root should be positive");

  Assert.lessOrEqual(

    dominatorTree.root,

    Math.pow(2, 48),

    "root should be less than or equal to 2^48"

);

  do_test_finished();