1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim:set ts=2 sw=2 sts=2 et: */
3 /* ***** BEGIN LICENSE BLOCK *****
4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 1.1 (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 * http://www.mozilla.org/MPL/
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
16 * The Original Code is XPCOM unit tests.
18 * The Initial Developer of the Original Code is
19 * Jeff Walden <jwalden+code@mit.edu>.
20 * Portions created by the Initial Developer are Copyright (C) 2007
21 * the Initial Developer. All Rights Reserved.
25 * Alternatively, the contents of this file may be used under the terms of
26 * either the GNU General Public License Version 2 or later (the "GPL"), or
27 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
31 * use your version of this file under the terms of the MPL, indicate your
32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 const Cc = Components.classes;
40 const Ci = Components.interfaces;
41 const Cr = Components.results;
52 * Checks that getting an input stream from a storage stream which has never had
53 * anything written to it throws a not-initialized exception.
57 var ss = Cc["@mozilla.org/storagestream;1"]
58 .createInstance(Ci.nsIStorageStream);
59 ss.init(1024, 1024, null);
61 var out = ss.getOutputStream(0);
62 var inp2 = ss.newInputStream(0);
63 do_check_eq(inp2.available(), 0);
64 do_check_true(inp2.isNonBlocking());
67 Cc["@mozilla.org/scriptableinputstream;1"]
68 .createInstance(Ci.nsIScriptableInputStream);
74 } catch (ex if ex.result == Cr.NS_BASE_STREAM_WOULD_BLOCK) {
81 * Checks that getting an input stream from a storage stream to which 0 bytes of
82 * data have been explicitly written doesn't throw an exception.
86 var ss = Cc["@mozilla.org/storagestream;1"]
87 .createInstance(Ci.nsIStorageStream);
88 ss.init(1024, 1024, null);
90 var out = ss.getOutputStream(0);
94 var inp2 = ss.newInputStream(0);
98 do_throw("shouldn't throw exception when new input stream created");
103 * Checks that reading any non-zero amount of data from a storage stream
104 * which has had 0 bytes written to it explicitly works correctly.
108 var ss = Cc["@mozilla.org/storagestream;1"]
109 .createInstance(Ci.nsIStorageStream);
110 ss.init(1024, 1024, null);
112 var out = ss.getOutputStream(0);
116 var inp = ss.newInputStream(0);
120 do_throw("newInputStream(0) shouldn't throw if write() is called: " + e);
123 do_check_true(inp.isNonBlocking(), "next test expects a non-blocking stream");
129 var dummy = bis.readByteArray(5);
133 if (e.result != Cr.NS_BASE_STREAM_WOULD_BLOCK)
134 do_throw("wrong error thrown: " + e);
138 "should have thrown (nsStorageInputStream is nonblocking)");
142 * Basic functionality test for storagestream: write data to it, get an input
143 * stream, and read the data back to see that it matches.
147 var bytes = [65, 66, 67, 68, 69, 70, 71, 72, 73, 74];
149 var ss = Cc["@mozilla.org/storagestream;1"]
150 .createInstance(Ci.nsIStorageStream);
151 ss.init(1024, 1024, null);
153 var outStream = ss.getOutputStream(0);
155 var bos = Cc["@mozilla.org/binaryoutputstream;1"]
156 .createInstance(Ci.nsIBinaryOutputStream);
157 bos.setOutputStream(outStream);
159 bos.writeByteArray(bytes, bytes.length);
162 var inp = ss.newInputStream(0);
166 while (count < bytes.length)
168 var data = bis.read8(1);
169 do_check_eq(data, bytes[count++]);
179 if (e.result != Cr.NS_ERROR_FAILURE)
180 do_throw("wrong error thrown: " + e);
184 do_throw("should have thrown but instead returned: '" + data + "'");
190 var bis = Cc["@mozilla.org/binaryinputstream;1"]
191 .createInstance(Ci.nsIBinaryInputStream);
192 bis.setInputStream(input);