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"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();
}
/**
* Test to ensure that {bytes:} in options to |write| is correctly
* preserved.
*/
add_task(function* test_bytes() {
let path = OS.Path.join(OS.Constants.Path.tmpDir,
"test_osfile_async_bytes.tmp");
let file = yield OS.File.open(path, {trunc: true, read: true, write: true});
try {
try {
// 1. Test write, by supplying {bytes:} options smaller than the actual
// buffer.
yield file.write(new Uint8Array(2048), {bytes: 1024});
do_check_eq((yield file.stat()).size, 1024);
// 2. Test that passing nullish values for |options| still works.
yield file.setPosition(0, OS.File.POS_END);
yield file.write(new Uint8Array(1024), null);
yield file.write(new Uint8Array(1024), undefined);
do_check_eq((yield file.stat()).size, 3072);
} finally {
yield file.close();
}
} finally {
yield OS.File.remove(path);
}
});
add_task(do_test_finished);
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