зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.0 KiB
JavaScript
73 строки
2.0 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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function write_atomic(file, str) {
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var stream = Cc[
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"@mozilla.org/network/atomic-file-output-stream;1"
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].createInstance(Ci.nsIFileOutputStream);
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stream.init(file, -1, -1, 0);
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do {
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var written = stream.write(str, str.length);
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if (written == str.length) {
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break;
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}
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str = str.substring(written);
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} while (1);
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stream.QueryInterface(Ci.nsISafeOutputStream).finish();
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stream.close();
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}
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function write(file, str) {
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var stream = Cc[
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"@mozilla.org/network/safe-file-output-stream;1"
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].createInstance(Ci.nsIFileOutputStream);
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stream.init(file, -1, -1, 0);
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do {
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var written = stream.write(str, str.length);
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if (written == str.length) {
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break;
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}
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str = str.substring(written);
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} while (1);
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stream.QueryInterface(Ci.nsISafeOutputStream).finish();
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stream.close();
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}
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function checkFile(file, str) {
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var stream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
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Ci.nsIFileInputStream
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);
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stream.init(file, -1, -1, 0);
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var scriptStream = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(
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Ci.nsIScriptableInputStream
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);
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scriptStream.init(stream);
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Assert.equal(scriptStream.read(scriptStream.available()), str);
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scriptStream.close();
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}
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function run_test() {
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var filename = "\u0913";
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var file = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIProperties)
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.get("TmpD", Ci.nsIFile);
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file.append(filename);
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write(file, "First write");
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checkFile(file, "First write");
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write(file, "Second write");
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checkFile(file, "Second write");
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write_atomic(file, "First write: Atomic");
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checkFile(file, "First write: Atomic");
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write_atomic(file, "Second write: Atomic");
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checkFile(file, "Second write: Atomic");
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}
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