The Tor Browser: xpcom/tests/unit/test_localfile.js@b8a032363ba2 (annotated)

xpcom/tests/unit/test_localfile.js@b8a032363ba2 (annotated)

xpcom/tests/unit/test_localfile.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim:set ts=2 sw=2 sts=2 et: */
 /* 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 Cr = Components.results;
 const CC = Components.Constructor;
 const Ci = Components.interfaces;
 const MAX_TIME_DIFFERENCE = 2500;
 const MILLIS_PER_DAY      = 1000 * 60 * 60 * 24;
 var LocalFile = CC("@mozilla.org/file/local;1", "nsILocalFile", "initWithPath");
 function run_test()
 {
   test_toplevel_parent_is_null();
   test_normalize_crash_if_media_missing();
   test_file_modification_time();
   test_directory_modification_time();
   test_diskSpaceAvailable();
 }
 function test_toplevel_parent_is_null()
 {
   try
   {
     var lf = new LocalFile("C:\\");
     // not required by API, but a property on which the implementation of
     // parent == null relies for correctness
     do_check_true(lf.path.length == 2);
     do_check_true(lf.parent === null);
   }
   catch (e)
   {
     // not Windows
     do_check_eq(e.result, Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH);
   }
 }
 function test_normalize_crash_if_media_missing()
 {
   const a="a".charCodeAt(0);
   const z="z".charCodeAt(0);
   for (var i = a; i <= z; ++i)
   {
     try
     {
       LocalFile(String.fromCharCode(i)+":.\\test").normalize();
     }
     catch (e)
     {
     }
   }
 }
 // Tests that changing a file's modification time is possible
 function test_file_modification_time()
 {
   var file = do_get_profile();
   file.append("testfile");
   // Should never happen but get rid of it anyway
   if (file.exists())
     file.remove(true);
   var now = Date.now();
   file.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0644);
   do_check_true(file.exists());
   // Modification time may be out by up to 2 seconds on FAT filesystems. Test
   // with a bit of leeway, close enough probably means it is correct.
   var diff = Math.abs(file.lastModifiedTime - now);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   var yesterday = now - MILLIS_PER_DAY;
   file.lastModifiedTime = yesterday;
   diff = Math.abs(file.lastModifiedTime - yesterday);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   var tomorrow = now - MILLIS_PER_DAY;
   file.lastModifiedTime = tomorrow;
   diff = Math.abs(file.lastModifiedTime - tomorrow);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   var bug377307 = 1172950238000;
   file.lastModifiedTime = bug377307;
   diff = Math.abs(file.lastModifiedTime - bug377307);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   file.remove(true);
 }
 // Tests that changing a directory's modification time is possible
 function test_directory_modification_time()
 {
   var dir = do_get_profile();
   dir.append("testdir");
   // Should never happen but get rid of it anyway
   if (dir.exists())
     dir.remove(true);
   var now = Date.now();
   dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0755);
   do_check_true(dir.exists());
   // Modification time may be out by up to 2 seconds on FAT filesystems. Test
   // with a bit of leeway, close enough probably means it is correct.
   var diff = Math.abs(dir.lastModifiedTime - now);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   var yesterday = now - MILLIS_PER_DAY;
   dir.lastModifiedTime = yesterday;
   diff = Math.abs(dir.lastModifiedTime - yesterday);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   var tomorrow = now - MILLIS_PER_DAY;
   dir.lastModifiedTime = tomorrow;
   diff = Math.abs(dir.lastModifiedTime - tomorrow);
   do_check_true(diff < MAX_TIME_DIFFERENCE);
   dir.remove(true);
 }
 function test_diskSpaceAvailable()
 {
   let file = do_get_profile();
   file.QueryInterface(Ci.nsILocalFile);
   let bytes = file.diskSpaceAvailable;
   do_check_true(bytes > 0);
   file.append("testfile");
   if (file.exists())
     file.remove(true);
   file.create(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("644", 8));
   bytes = file.diskSpaceAvailable;
   do_check_true(bytes > 0);
   file.remove(true);
 }