test_HeapAnalyses_deleteHeapSnapshot_01.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that the HeapAnalyses{Client,Worker} can delete heap snapshots.

const breakdown = {

  by: "coarseType",

  objects: { by: "count", count: true, bytes: true },

  scripts: { by: "count", count: true, bytes: true },

  strings: { by: "count", count: true, bytes: true },

  other: { by: "count", count: true, bytes: true },

};

add_task(async function () {

  const client = new HeapAnalysesClient();

  const snapshotFilePath = saveNewHeapSnapshot();

  await client.readHeapSnapshot(snapshotFilePath);

  ok(true, "Should have read the heap snapshot");

  const dominatorTreeId = await client.computeDominatorTree(snapshotFilePath);

  ok(true, "Should have computed the dominator tree");

  await client.deleteHeapSnapshot(snapshotFilePath);

  ok(true, "Should have deleted the snapshot");

  let threw = false;

  try {

    await client.getDominatorTree({

      dominatorTreeId,

      breakdown,

});

  } catch (_) {

    threw = true;

  ok(threw, "getDominatorTree on deleted tree should throw an error");

  threw = false;

  try {

    await client.computeDominatorTree(snapshotFilePath);

  } catch (_) {

    threw = true;

  ok(threw, "computeDominatorTree on deleted snapshot should throw an error");

  threw = false;

  try {

    await client.takeCensus(snapshotFilePath);

  } catch (_) {

    threw = true;

  ok(threw, "takeCensus on deleted tree should throw an error");

  client.destroy();

});