devtools/shared/heapsnapshot/tests/xpcshell/test_ReadHeapSnapshot_with_utf8_paths.js


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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Test that we can read core dumps with a UTF8 path into HeapSnapshot instances.
/* eslint-disable strict */
add_task(async function () {
  const fileNameWithRussianCharacters =
    "Снимок памяти Click.ru 08.06.2020 (Firefox dump).fxsnapshot";
  const filePathWithRussianCharacters = PathUtils.join(
    PathUtils.tempDir,
    fileNameWithRussianCharacters
  );

  const filePath = ChromeUtils.saveHeapSnapshot({ globals: [this] });
  ok(true, "Should be able to save a snapshot.");

  await IOUtils.copy(filePath, filePathWithRussianCharacters);

  ok(
    await IOUtils.exists(filePathWithRussianCharacters),
    `We could copy the file to the expected path ${filePathWithRussianCharacters}`
  );

  const snapshot = ChromeUtils.readHeapSnapshot(filePathWithRussianCharacters);
  ok(snapshot, "Should be able to read a heap snapshot from an utf8 path");
  ok(HeapSnapshot.isInstance(snapshot), "Should be an instanceof HeapSnapshot");
});