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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is XPCOM unit tests.
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* The Initial Developer of the Original Code is
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* Jeff Walden <jwalden+code@mit.edu>.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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* Checks that getting an input stream from a storage stream which has never had
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* anything written to it throws a not-initialized exception.
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var ss = Cc["@mozilla.org/storagestream;1"]
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.createInstance(Ci.nsIStorageStream);
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ss.init(1024, 1024, null);
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var out = ss.getOutputStream(0);
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var inp2 = ss.newInputStream(0);
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do_check_eq(inp2.available(), 0);
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do_check_eq(inp2.isNonBlocking(), true);
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Cc["@mozilla.org/scriptableinputstream;1"]
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.createInstance(Ci.nsIScriptableInputStream);
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} catch (ex if ex.result == Cr.NS_BASE_STREAM_WOULD_BLOCK) {
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do_check_throw("read should have thrown NS_BASE_STREAM_WOULD_BLOCK");
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* Checks that getting an input stream from a storage stream to which 0 bytes of
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* data have been explicitly written doesn't throw an exception.
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var ss = Cc["@mozilla.org/storagestream;1"]
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.createInstance(Ci.nsIStorageStream);
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ss.init(1024, 1024, null);
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var out = ss.getOutputStream(0);
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var inp2 = ss.newInputStream(0);
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do_throw("shouldn't throw exception when new input stream created");
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* Checks that reading any non-zero amount of data from a storage stream
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* which has had 0 bytes written to it explicitly works correctly.
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var ss = Cc["@mozilla.org/storagestream;1"]
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.createInstance(Ci.nsIStorageStream);
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ss.init(1024, 1024, null);
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var out = ss.getOutputStream(0);
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var inp = ss.newInputStream(0);
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do_throw("newInputStream(0) shouldn't throw if write() is called: " + e);
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if (!inp.isNonBlocking())
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do_throw("next test expects a non-blocking stream");
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var dummy = bis.readByteArray(5);
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if (e.result != Cr.NS_BASE_STREAM_WOULD_BLOCK)
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do_throw("wrong error thrown: " + e);
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do_throw("should have thrown (nsStorageInputStream is nonblocking)");
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* Basic functionality test for storagestream: write data to it, get an input
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* stream, and read the data back to see that it matches.
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var bytes = [65, 66, 67, 68, 69, 70, 71, 72, 73, 74];
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var ss = Cc["@mozilla.org/storagestream;1"]
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.createInstance(Ci.nsIStorageStream);
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ss.init(1024, 1024, null);
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var outStream = ss.getOutputStream(0);
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var bos = Cc["@mozilla.org/binaryoutputstream;1"]
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.createInstance(Ci.nsIBinaryOutputStream);
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bos.setOutputStream(outStream);
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bos.writeByteArray(bytes, bytes.length);
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var inp = ss.newInputStream(0);
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while (count < bytes.length)
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var data = bis.read8(1);
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do_check_eq(data, bytes[count++]);
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if (e.result != Cr.NS_ERROR_FAILURE)
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do_throw("wrong error thrown: " + e);
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do_throw("should have thrown but instead returned: '" + data + "'");
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var bis = Cc["@mozilla.org/binaryinputstream;1"]
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.createInstance(Ci.nsIBinaryInputStream);
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bis.setInputStream(input);