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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
Components.utils.import("resource://gre/modules/osfile.jsm");
function run_test() {
run_next_test();
}
/**
* Test OS.File.open for reading:
* - with an existing file (should succeed);
* - with a non-existing file (should fail);
* - with inconsistent arguments (should fail).
*/
add_task(function() {
// Attempt to open a file that does not exist, ensure that it yields the
// appropriate error.
try {
let fd = yield OS.File.open(OS.Path.join(".", "This file does not exist"));
do_check_true(false, "File opening 1 succeeded (it should fail)");
} catch (err if err instanceof OS.File.Error && err.becauseNoSuchFile) {
do_print("File opening 1 failed " + err);
}
// Attempt to open a file with the wrong args, so that it fails before
// serialization, ensure that it yields the appropriate error.
do_print("Attempting to open a file with wrong arguments");
try {
let fd = yield OS.File.open(1, 2, 3);
do_check_true(false, "File opening 2 succeeded (it should fail)" + fd);
} catch (err) {
do_print("File opening 2 failed " + err);
do_check_false(err instanceof OS.File.Error,
"File opening 2 returned something that is not a file error");
do_check_true(err.constructor.name == "TypeError",
"File opening 2 returned a TypeError");
}
// Attempt to open a file correctly
do_print("Attempting to open a file correctly");
let openedFile = yield OS.File.open(OS.Path.join(do_get_cwd().path, "test_open.js"));
do_print("File opened correctly");
do_print("Attempting to close a file correctly");
yield openedFile.close();
do_print("Attempting to close a file again");
yield openedFile.close();
});
/**
* Test the error thrown by OS.File.open when attempting to open a directory
* that does not exist.
*/
add_task(function test_error_attributes () {
let dir = OS.Path.join(do_get_profile().path, "test_osfileErrorAttrs");
let fpath = OS.Path.join(dir, "test_error_attributes.txt");
try {
yield OS.File.open(fpath, {truncate: true}, {});
do_check_true(false, "Opening path suceeded (it should fail) " + fpath);
} catch (err) {
do_check_true(err instanceof OS.File.Error);
do_check_true(err.becauseNoSuchFile);
}
});
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