The Tor Browser: xpcom/tests/unit/test_seek_multiplex.js@129ffea94266 (annotated)

xpcom/tests/unit/test_seek_multiplex.js@129ffea94266 (annotated)

xpcom/tests/unit/test_seek_multiplex.js

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* 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/. */
 const Ci = Components.interfaces;
 const Cr = Components.results;
 const CC = Components.Constructor;
 const Cc = Components.classes;
 // The string we use as data.
 const data = "0123456789";
 // Number of streams in the multiplex stream.
 const count = 10;
 function test_multiplex_streams() {
   var MultiplexStream = CC("@mozilla.org/io/multiplex-input-stream;1",
                            "nsIMultiplexInputStream");
   do_check_eq(1, 1);
   var BinaryInputStream = Components.Constructor("@mozilla.org/binaryinputstream;1",
                                                  "nsIBinaryInputStream");
   var BinaryOutputStream = Components.Constructor("@mozilla.org/binaryoutputstream;1",
                                                   "nsIBinaryOutputStream",
                                                   "setOutputStream");
   var multiplex = new MultiplexStream();
   for (var i = 0; i < count; ++i) {
     let s = Cc["@mozilla.org/io/string-input-stream;1"]
               .createInstance(Ci.nsIStringInputStream);
     s.setData(data, data.length);
     multiplex.appendStream(s);
   }
   var seekable = multiplex.QueryInterface(Ci.nsISeekableStream);
   var sis = Cc["@mozilla.org/scriptableinputstream;1"]
               .createInstance(Ci.nsIScriptableInputStream);
   sis.init(seekable);
   // Read some data.
   var readData = sis.read(20);
   do_check_eq(readData, data + data);
   // -- Tests for NS_SEEK_SET
   // Seek to a non-zero, non-stream-boundary offset.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 2);
   do_check_eq(seekable.tell(), 2);
   do_check_eq(seekable.available(), 98);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 9);
   do_check_eq(seekable.tell(), 9);
   do_check_eq(seekable.available(), 91);
   // Seek across stream boundary.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 35);
   do_check_eq(seekable.tell(), 35);
   do_check_eq(seekable.available(), 65);
   readData = sis.read(5);
   do_check_eq(readData, data.slice(5));
   do_check_eq(seekable.available(), 60);
   // Seek at stream boundaries.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 40);
   do_check_eq(seekable.tell(), 40);
   do_check_eq(seekable.available(), 60);
   readData = sis.read(10);
   do_check_eq(readData, data);
   do_check_eq(seekable.tell(), 50);
   do_check_eq(seekable.available(), 50);
   // Rewind and read across streams.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 39);
   do_check_eq(seekable.tell(), 39);
   do_check_eq(seekable.available(), 61);
   readData = sis.read(11);
   do_check_eq(readData, data.slice(9) + data);
   do_check_eq(seekable.tell(), 50);
   do_check_eq(seekable.available(), 50);
   // Rewind to the beginning.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 0);
   do_check_eq(seekable.tell(), 0);
   do_check_eq(seekable.available(), 100);
   // Seek to some random location
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 50);
   // -- Tests for NS_SEEK_CUR
   // Positive seek.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_CUR, 15);
   do_check_eq(seekable.tell(), 65);
   do_check_eq(seekable.available(), 35);
   readData = sis.read(10);
   do_check_eq(readData, data.slice(5) + data.slice(0, 5));
   do_check_eq(seekable.tell(), 75);
   do_check_eq(seekable.available(), 25);
   // Negative seek.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_CUR, -15);
   do_check_eq(seekable.tell(), 60);
   do_check_eq(seekable.available(), 40);
   readData = sis.read(10);
   do_check_eq(readData, data);
   do_check_eq(seekable.tell(), 70);
   do_check_eq(seekable.available(), 30);
   // -- Tests for NS_SEEK_END
   // Normal read.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_END, -5);
   do_check_eq(seekable.tell(), data.length * count - 5);
   readData = sis.read(5);
   do_check_eq(readData, data.slice(5));
   do_check_eq(seekable.tell(), data.length * count);
   // Read across streams.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_END, -15);
   do_check_eq(seekable.tell(), data.length * count - 15);
   readData = sis.read(15);
   do_check_eq(readData, data.slice(5) + data);
   do_check_eq(seekable.tell(), data.length * count);
   // -- Try to do various edge cases
   // Forward seek from the end, should throw.
   var caught = false;
   try {
     seekable.seek(Ci.nsISeekableStream.NS_SEEK_END, 15);
   } catch(e) {
     caught = true;
   }
   do_check_eq(caught, true);
   do_check_eq(seekable.tell(), data.length * count);
   // Backward seek from the beginning, should be clamped.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 0);
   do_check_eq(seekable.tell(), 0);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_CUR, -15);
   do_check_eq(seekable.tell(), 0);
   // Seek too far: should be clamped.
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 0);
   do_check_eq(seekable.tell(), 0);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_CUR, 3 * data.length * count);
   do_check_eq(seekable.tell(), 100);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, data.length * count);
   do_check_eq(seekable.tell(), 100);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_CUR, -2 * data.length * count);
   do_check_eq(seekable.tell(), 0);
 }
 function test_multiplex_bug797871() {
   var data = "1234567890123456789012345678901234567890";
   var MultiplexStream = CC("@mozilla.org/io/multiplex-input-stream;1",
                            "nsIMultiplexInputStream");
   do_check_eq(1, 1);
   var BinaryInputStream = Components.Constructor("@mozilla.org/binaryinputstream;1",
                                                  "nsIBinaryInputStream");
   var BinaryOutputStream = Components.Constructor("@mozilla.org/binaryoutputstream;1",
                                                   "nsIBinaryOutputStream",
                                                   "setOutputStream");
   var multiplex = new MultiplexStream();
   let s = Cc["@mozilla.org/io/string-input-stream;1"]
             .createInstance(Ci.nsIStringInputStream);
   s.setData(data, data.length);
   multiplex.appendStream(s);
   var seekable = multiplex.QueryInterface(Ci.nsISeekableStream);
   var sis = Cc["@mozilla.org/scriptableinputstream;1"]
               .createInstance(Ci.nsIScriptableInputStream);
   sis.init(seekable);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 8);
   do_check_eq(seekable.tell(), 8);
   readData = sis.read(2);
   do_check_eq(seekable.tell(), 10);
   seekable.seek(Ci.nsISeekableStream.NS_SEEK_SET, 20);
   do_check_eq(seekable.tell(), 20);
 }
 function run_test() {
   test_multiplex_streams();
   test_multiplex_bug797871();
 }