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/.

  */

 // Values taken from using zipinfo to list the test.zip contents

 var TESTS = [

   "test.txt",

   "test.png"

 ];

 function run_test()

 {

   zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);

   for (var i = 0; i < TESTS.length; i++) {

     var source = do_get_file(DATA_DIR + TESTS[i]);

     zipW.addEntryFile(TESTS[i], Ci.nsIZipWriter.COMPRESSION_NONE, source,

                       false);

   }

   try {

     var source = do_get_file(DATA_DIR + TESTS[0]);

     zipW.addEntryFile(TESTS[0], Ci.nsIZipWriter.COMPRESSION_NONE, source,

                       false);

     do_throw("Should not be able to add the same file twice");

   }

   catch (e) {

     do_check_eq(e.result, Components.results.NS_ERROR_FILE_ALREADY_EXISTS);

   }

   // Remove all the tests and see if we are left with an empty zip

   for (var i = 0; i < TESTS.length; i++) {

     zipW.removeEntry(TESTS[i], false);

   }

   zipW.close();

   // Empty zip file should just be the end of central directory marker

   var newTmpFile = tmpFile.clone();

   do_check_eq(newTmpFile.fileSize, ZIP_EOCDR_HEADER_SIZE);

 }