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toolkit/components/osfile/tests/xpcshell/test_reset.js@6474c204b198 (annotated)

toolkit/components/osfile/tests/xpcshell/test_reset.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

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

michael@0	1	Components.utils.import("resource://gre/modules/Services.jsm", this);
michael@0	2	Components.utils.import("resource://gre/modules/Promise.jsm", this);
michael@0	3	Components.utils.import("resource://gre/modules/Task.jsm", this);
michael@0	4	Components.utils.import("resource://gre/modules/osfile.jsm", this);
michael@0	5
michael@0	6	let Path = OS.Constants.Path;
michael@0	7
michael@0	8	add_task(function init() {
michael@0	9	do_get_profile();
michael@0	10	});
michael@0	11
michael@0	12	add_task(function reset_before_launching() {
michael@0	13	do_print("Reset without launching OS.File, it shouldn't break");
michael@0	14	yield OS.File.resetWorker();
michael@0	15	});
michael@0	16
michael@0	17	add_task(function transparent_reset() {
michael@0	18	for (let i = 1; i < 3; ++i) {
michael@0	19	do_print("Do stome stuff before and after " + i + " reset(s), " +
michael@0	20	"it shouldn't break");
michael@0	21	let CONTENT = "some content " + i;
michael@0	22	let path = OS.Path.join(Path.profileDir, "tmp");
michael@0	23	yield OS.File.writeAtomic(path, CONTENT);
michael@0	24	for (let j = 0; j < i; ++j) {
michael@0	25	yield OS.File.resetWorker();
michael@0	26	}
michael@0	27	let data = yield OS.File.read(path);
michael@0	28	let string = (new TextDecoder()).decode(data);
michael@0	29	do_check_eq(string, CONTENT);
michael@0	30	}
michael@0	31	});
michael@0	32
michael@0	33	add_task(function file_open_cannot_reset() {
michael@0	34	let TEST_FILE = OS.Path.join(Path.profileDir, "tmp-" + Math.random());
michael@0	35	do_print("Leaking file descriptor " + TEST_FILE + ", we shouldn't be able to reset");
michael@0	36	let openedFile = yield OS.File.open(TEST_FILE, { create: true} );
michael@0	37	let thrown = false;
michael@0	38	try {
michael@0	39	yield OS.File.resetWorker();
michael@0	40	} catch (ex if ex.message.indexOf(OS.Path.basename(TEST_FILE)) != -1 ) {
michael@0	41	thrown = true;
michael@0	42	}
michael@0	43	do_check_true(thrown);
michael@0	44
michael@0	45	do_print("Closing the file, we should now be able to reset");
michael@0	46	yield openedFile.close();
michael@0	47	yield OS.File.resetWorker();
michael@0	48	});
michael@0	49
michael@0	50	add_task(function dir_open_cannot_reset() {
michael@0	51	let TEST_DIR = yield OS.File.getCurrentDirectory();
michael@0	52	do_print("Leaking directory " + TEST_DIR + ", we shouldn't be able to reset");
michael@0	53	let iterator = new OS.File.DirectoryIterator(TEST_DIR);
michael@0	54	let thrown = false;
michael@0	55	try {
michael@0	56	yield OS.File.resetWorker();
michael@0	57	} catch (ex if ex.message.indexOf(OS.Path.basename(TEST_DIR)) != -1 ) {
michael@0	58	thrown = true;
michael@0	59	}
michael@0	60	do_check_true(thrown);
michael@0	61
michael@0	62	do_print("Closing the directory, we should now be able to reset");
michael@0	63	yield iterator.close();
michael@0	64	yield OS.File.resetWorker();
michael@0	65	});
michael@0	66
michael@0	67	add_task(function finish_with_a_reset() {
michael@0	68	do_print("Reset without waiting for the result");
michael@0	69	// Arbitrary operation, just to wake up the worker
michael@0	70	try {
michael@0	71	yield OS.File.read("/foo");
michael@0	72	} catch (ex) {
michael@0	73	}
michael@0	74	// Now reset
michael@0	75	/*don't yield*/ OS.File.resetWorker();
michael@0	76	});
michael@0	77
michael@0	78	function run_test() {
michael@0	79	run_next_test();
michael@0	80	}