diff options
Diffstat (limited to 'netwerk/test/unit/test_safeoutputstream.js')
-rw-r--r-- | netwerk/test/unit/test_safeoutputstream.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_safeoutputstream.js b/netwerk/test/unit/test_safeoutputstream.js new file mode 100644 index 000000000..3e41fcbb0 --- /dev/null +++ b/netwerk/test/unit/test_safeoutputstream.js @@ -0,0 +1,66 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +function write_atomic(file, str) { + var stream = Cc["@mozilla.org/network/atomic-file-output-stream;1"] + .createInstance(Ci.nsIFileOutputStream); + stream.init(file, -1, -1, 0); + do { + var written = stream.write(str, str.length); + if (written == str.length) + break; + str = str.substring(written); + } while (1); + stream.QueryInterface(Ci.nsISafeOutputStream).finish(); + stream.close(); +} + +function write(file, str) { + var stream = Cc["@mozilla.org/network/safe-file-output-stream;1"] + .createInstance(Ci.nsIFileOutputStream); + stream.init(file, -1, -1, 0); + do { + var written = stream.write(str, str.length); + if (written == str.length) + break; + str = str.substring(written); + } while (1); + stream.QueryInterface(Ci.nsISafeOutputStream).finish(); + stream.close(); +} + +function checkFile(file, str) { + var stream = Cc["@mozilla.org/network/file-input-stream;1"] + .createInstance(Ci.nsIFileInputStream); + stream.init(file, -1, -1, 0); + + var scriptStream = Cc["@mozilla.org/scriptableinputstream;1"] + .createInstance(Ci.nsIScriptableInputStream); + scriptStream.init(stream); + + do_check_eq(scriptStream.read(scriptStream.available()), str); + scriptStream.close(); +} + +function run_test() +{ + var filename = "\u0913"; + var file = Cc["@mozilla.org/file/directory_service;1"] + .getService(Ci.nsIProperties) + .get("TmpD", Ci.nsIFile); + file.append(filename); + + write(file, "First write"); + checkFile(file, "First write"); + + write(file, "Second write"); + checkFile(file, "Second write"); + + write_atomic(file, "First write: Atomic"); + checkFile(file, "First write: Atomic"); + + write_atomic(file, "Second write: Atomic"); + checkFile(file, "Second write: Atomic"); +} |