tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_HeapAnalyses_takeCensus_03.js (1405B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 "use strict";
      4 
      5 // Test that the HeapAnalyses{Client,Worker} bubbles errors properly when things
      6 // go wrong.
      7 
      8 add_task(async function () {
      9  const client = new HeapAnalysesClient();
     10 
     11  // Snapshot file path to a file that doesn't exist.
     12  let failed = false;
     13  try {
     14    await client.readHeapSnapshot(
     15      getFilePath("foo-bar-baz" + Math.random(), true)
     16    );
     17  } catch (e) {
     18    failed = true;
     19  }
     20  ok(failed, "should not read heap snapshots that do not exist");
     21 
     22  // Snapshot file path to a file that is not a heap snapshot.
     23  failed = false;
     24  try {
     25    await client.readHeapSnapshot(
     26      getFilePath("test_HeapAnalyses_takeCensus_03.js")
     27    );
     28  } catch (e) {
     29    failed = true;
     30  }
     31  ok(
     32    failed,
     33    "should not be able to read a file " +
     34      "that is not a heap snapshot as a heap snapshot"
     35  );
     36 
     37  const snapshotFilePath = saveNewHeapSnapshot();
     38  await client.readHeapSnapshot(snapshotFilePath);
     39  ok(true, "Should have read the heap snapshot");
     40 
     41  // Bad census breakdown options.
     42  failed = false;
     43  try {
     44    await client.takeCensus(snapshotFilePath, {
     45      breakdown: { by: "some classification that we do not have" },
     46    });
     47  } catch (e) {
     48    failed = true;
     49  }
     50  ok(failed, "should not be able to breakdown by an unknown classification");
     51 
     52  client.destroy();
     53 });