The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/osfile/tests/xpcshell/test_unique.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,88 @@
     1.4 +"use strict";
     1.5 +
     1.6 +Components.utils.import("resource://gre/modules/osfile.jsm");
     1.7 +Components.utils.import("resource://gre/modules/Task.jsm");
     1.8 +
     1.9 +function run_test() {
    1.10 +  do_get_profile();
    1.11 +  run_next_test();
    1.12 +}
    1.13 +
    1.14 +function testFiles(filename) {
    1.15 +  return Task.spawn(function() {
    1.16 +    const MAX_TRIES = 10;
    1.17 +    let profileDir = OS.Constants.Path.profileDir;
    1.18 +    let path = OS.Path.join(profileDir, filename);
    1.19 +
    1.20 +    // Ensure that openUnique() uses the file name if there is no file with that name already.
    1.21 +    let openedFile = yield OS.File.openUnique(path);
    1.22 +    do_print("\nCreate new file: " + openedFile.path);
    1.23 +    yield openedFile.file.close();
    1.24 +    let exists = yield OS.File.exists(openedFile.path);
    1.25 +    do_check_true(exists);
    1.26 +    do_check_eq(path, openedFile.path);
    1.27 +    let fileInfo = yield OS.File.stat(openedFile.path);
    1.28 +    do_check_true(fileInfo.size == 0);
    1.29 +
    1.30 +    // Ensure that openUnique() creates a new file name using a HEX number, as the original name is already taken.
    1.31 +    openedFile = yield OS.File.openUnique(path);
    1.32 +    do_print("\nCreate unique HEX file: " + openedFile.path);
    1.33 +    yield openedFile.file.close();
    1.34 +    exists = yield OS.File.exists(openedFile.path);
    1.35 +    do_check_true(exists);
    1.36 +    let fileInfo = yield OS.File.stat(openedFile.path);
    1.37 +    do_check_true(fileInfo.size == 0);
    1.38 +
    1.39 +    // Ensure that openUnique() generates different file names each time, using the HEX number algorithm
    1.40 +    let filenames = new Set();
    1.41 +    for (let i=0; i < MAX_TRIES; i++) {
    1.42 +      openedFile = yield OS.File.openUnique(path);
    1.43 +      yield openedFile.file.close();
    1.44 +      filenames.add(openedFile.path);
    1.45 +    }
    1.46 +
    1.47 +    do_check_eq(filenames.size, MAX_TRIES);
    1.48 +
    1.49 +    // Ensure that openUnique() creates a new human readable file name using, as the original name is already taken.
    1.50 +    openedFile = yield OS.File.openUnique(path, {humanReadable : true});
    1.51 +    do_print("\nCreate unique Human Readable file: " + openedFile.path);
    1.52 +    yield openedFile.file.close();
    1.53 +    exists = yield OS.File.exists(openedFile.path);
    1.54 +    do_check_true(exists);
    1.55 +    let fileInfo = yield OS.File.stat(openedFile.path);
    1.56 +    do_check_true(fileInfo.size == 0);
    1.57 +
    1.58 +    // Ensure that openUnique() generates different human readable file names each time
    1.59 +    filenames = new Set();
    1.60 +    for (let i=0; i < MAX_TRIES; i++) {
    1.61 +      openedFile = yield OS.File.openUnique(path, {humanReadable : true});
    1.62 +      yield openedFile.file.close();
    1.63 +      filenames.add(openedFile.path);
    1.64 +    }
    1.65 +
    1.66 +    do_check_eq(filenames.size, MAX_TRIES);
    1.67 +
    1.68 +    let exn;
    1.69 +    try {
    1.70 +      for (let i=0; i < 100; i++) {
    1.71 +        openedFile = yield OS.File.openUnique(path, {humanReadable : true});
    1.72 +        yield openedFile.file.close();
    1.73 +      }
    1.74 +    } catch (ex) {
    1.75 +      exn = ex;
    1.76 +    }
    1.77 +
    1.78 +    do_print("Ensure that this raises the correct error");
    1.79 +    do_check_true(!!exn);
    1.80 +    do_check_true(exn instanceof OS.File.Error);
    1.81 +    do_check_true(exn.becauseExists);
    1.82 +  });
    1.83 +}
    1.84 +
    1.85 +add_task(function test_unique() {
    1.86 +  OS.Shared.DEBUG = true;
    1.87 +  // Tests files with extension
    1.88 +  yield testFiles("dummy_unique_file.txt");
    1.89 +  // Tests files with no extension
    1.90 +  yield testFiles("dummy_unique_file_no_ext");
    1.91 +});