forked from mirrors/gecko-dev
4a06c925ac
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D36052 --HG-- extra : source : b5be5b4f4b47c256e28a29f665dc754f6407ee7f
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
"use strict";
|
|
|
|
const { OS } = ChromeUtils.import("resource://gre/modules/osfile.jsm");
|
|
|
|
function run_test() {
|
|
do_test_pending();
|
|
run_next_test();
|
|
}
|
|
|
|
/**
|
|
* Test to ensure that {bytes:} in options to |write| is correctly
|
|
* preserved.
|
|
*/
|
|
add_task(async function test_bytes() {
|
|
let path = OS.Path.join(
|
|
OS.Constants.Path.tmpDir,
|
|
"test_osfile_async_bytes.tmp"
|
|
);
|
|
let file = await OS.File.open(path, { trunc: true, read: true, write: true });
|
|
try {
|
|
try {
|
|
// 1. Test write, by supplying {bytes:} options smaller than the actual
|
|
// buffer.
|
|
await file.write(new Uint8Array(2048), { bytes: 1024 });
|
|
Assert.equal((await file.stat()).size, 1024);
|
|
|
|
// 2. Test that passing nullish values for |options| still works.
|
|
await file.setPosition(0, OS.File.POS_END);
|
|
await file.write(new Uint8Array(1024), null);
|
|
await file.write(new Uint8Array(1024), undefined);
|
|
Assert.equal((await file.stat()).size, 3072);
|
|
} finally {
|
|
await file.close();
|
|
}
|
|
} finally {
|
|
await OS.File.remove(path);
|
|
}
|
|
});
|
|
|
|
add_task(do_test_finished);
|