The Tor Browser: toolkit/components/osfile/tests/xpcshell/test

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* Any copyright is dedicated to the Public Domain.

     2  * http://creativecommons.org/publicdomain/zero/1.0/ */

     4 "use strict";

     6 Components.utils.import("resource://gre/modules/osfile.jsm");

     8 function run_test() {

     9   run_next_test();

    10 }

    12 /**

    13  * Test OS.File.open for reading:

    14  * - with an existing file (should succeed);

    15  * - with a non-existing file (should fail);

    16  * - with inconsistent arguments (should fail).

    17  */

    18 add_task(function() {

    19   // Attempt to open a file that does not exist, ensure that it yields the

    20   // appropriate error.

    21   try {

    22     let fd = yield OS.File.open(OS.Path.join(".", "This file does not exist"));

    23     do_check_true(false, "File opening 1 succeeded (it should fail)");

    24   } catch (err if err instanceof OS.File.Error && err.becauseNoSuchFile) {

    25     do_print("File opening 1 failed " + err);

    26   }

    28   // Attempt to open a file with the wrong args, so that it fails before

    29   // serialization, ensure that it yields the appropriate error.

    30   do_print("Attempting to open a file with wrong arguments");

    31   try {

    32     let fd = yield OS.File.open(1, 2, 3);

    33     do_check_true(false, "File opening 2 succeeded (it should fail)" + fd);

    34   } catch (err) {

    35     do_print("File opening 2 failed " + err);

    36     do_check_false(err instanceof OS.File.Error,

    37                    "File opening 2 returned something that is not a file error");

    38     do_check_true(err.constructor.name == "TypeError",

    39                   "File opening 2 returned a TypeError");

    40   }

    42   // Attempt to open a file correctly

    43   do_print("Attempting to open a file correctly");

    44   let openedFile = yield OS.File.open(OS.Path.join(do_get_cwd().path, "test_open.js"));

    45   do_print("File opened correctly");

    47   do_print("Attempting to close a file correctly");

    48   yield openedFile.close();

    50   do_print("Attempting to close a file again");

    51   yield openedFile.close();

    52 });

    54 /**

    55  * Test the error thrown by OS.File.open when attempting to open a directory

    56  * that does not exist.

    57  */

    58 add_task(function test_error_attributes () {

    60   let dir = OS.Path.join(do_get_profile().path, "test_osfileErrorAttrs");

    61   let fpath = OS.Path.join(dir, "test_error_attributes.txt");

    63   try {

    64     yield OS.File.open(fpath, {truncate: true}, {});

    65     do_check_true(false, "Opening path suceeded (it should fail) " + fpath);

    66   } catch (err) {

    67     do_check_true(err instanceof OS.File.Error);

    68     do_check_true(err.becauseNoSuchFile);

    69   }

    70 });

The Tor Browser / file revision