gecko-dev/toolkit/components/osfile/tests/xpcshell/test_osfile_closed.js

49 строки
1.2 KiB
JavaScript

"use strict";
Components.utils.import("resource://gre/modules/osfile.jsm");
Components.utils.import("resource://gre/modules/Task.jsm");
function run_test() {
do_test_pending();
run_next_test();
}
add_task(function test_closed() {
OS.Shared.DEBUG = true;
let currentDir = yield OS.File.getCurrentDirectory();
do_print("Open a file, ensure that we can call stat()");
let path = OS.Path.join(currentDir, "test_osfile_closed.js");
let file = yield OS.File.open(path);
yield file.stat();
do_check_true(true);
yield file.close();
do_print("Ensure that we cannot stat() on closed file");
let exn;
try {
yield file.stat();
} catch (ex) {
exn = ex;
}
do_print("Ensure that this raises the correct error");
do_check_true(!!exn);
do_check_true(exn instanceof OS.File.Error);
do_check_true(exn.becauseClosed);
do_print("Ensure that we cannot read() on closed file");
exn = null;
try {
yield file.read();
} catch (ex) {
exn = ex;
}
do_print("Ensure that this raises the correct error");
do_check_true(!!exn);
do_check_true(exn instanceof OS.File.Error);
do_check_true(exn.becauseClosed);
});
add_task(do_test_finished);