The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/.

  */

 const DIRNAME = "test/";

 const time = Date.now();

 function run_test()

 {

   // Copy in the test file.

   var source = do_get_file("data/test.zip");

   source.copyTo(tmpFile.parent, tmpFile.leafName);

   // Open it and add something so the CDS is rewritten.

   zipW.open(tmpFile, PR_RDWR | PR_APPEND);

   zipW.addEntryDirectory(DIRNAME, time * PR_USEC_PER_MSEC, false);

   do_check_true(zipW.hasEntry(DIRNAME));

   zipW.close();

   var zipR = new ZipReader(tmpFile);

   do_check_true(zipR.hasEntry(DIRNAME));

   zipR.close();

   // Adding the directory would have added a fixed amount to the file size.

   // Any difference suggests the CDS was written out incorrectly.

   var extra = ZIP_FILE_HEADER_SIZE + ZIP_CDS_HEADER_SIZE +

               (DIRNAME.length * 2) + (ZIP_EXTENDED_TIMESTAMP_SIZE * 2);

   do_check_eq(source.fileSize + extra, tmpFile.fileSize);

 }