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

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

xpcom/tests/unit/test_storagestream.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.

 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim:set ts=2 sw=2 sts=2 et: */
 /* 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 Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cr = Components.results;
 function run_test()
 {
   test1();
   test2();
   test3();
   test4();
 }
 /**
  * Checks that getting an input stream from a storage stream which has never had
  * anything written to it throws a not-initialized exception.
  */
 function test1()
 {
   var ss = Cc["@mozilla.org/storagestream;1"]
              .createInstance(Ci.nsIStorageStream);
   ss.init(1024, 1024, null);
   var out = ss.getOutputStream(0);
   var inp2 = ss.newInputStream(0);
   do_check_eq(inp2.available(), 0);
   do_check_true(inp2.isNonBlocking());
   var sis =
       Cc["@mozilla.org/scriptableinputstream;1"]
         .createInstance(Ci.nsIScriptableInputStream);
   sis.init(inp2);
   var threw = false;
   try {
     sis.read(1);
   } catch (ex if ex.result == Cr.NS_BASE_STREAM_WOULD_BLOCK) {
     threw = true;
   }
   do_check_true(threw);
 }
 /**
  * Checks that getting an input stream from a storage stream to which 0 bytes of
  * data have been explicitly written doesn't throw an exception.
  */
 function test2()
 {
   var ss = Cc["@mozilla.org/storagestream;1"]
              .createInstance(Ci.nsIStorageStream);
   ss.init(1024, 1024, null);
   var out = ss.getOutputStream(0);
   out.write("", 0);
   try
   {
     var inp2 = ss.newInputStream(0);
   }
   catch (e)
   {
     do_throw("shouldn't throw exception when new input stream created");
   }
 }
 /**
  * Checks that reading any non-zero amount of data from a storage stream
  * which has had 0 bytes written to it explicitly works correctly.
  */
 function test3()
 {
   var ss = Cc["@mozilla.org/storagestream;1"]
              .createInstance(Ci.nsIStorageStream);
   ss.init(1024, 1024, null);
   var out = ss.getOutputStream(0);
   out.write("", 0);
   try
   {
     var inp = ss.newInputStream(0);
   }
   catch (e)
   {
     do_throw("newInputStream(0) shouldn't throw if write() is called: " + e);
   }
   do_check_true(inp.isNonBlocking(), "next test expects a non-blocking stream");
   try
   {
     var threw = false;
     var bis = BIS(inp);
     var dummy = bis.readByteArray(5);
   }
   catch (e)
   {
     if (e.result != Cr.NS_BASE_STREAM_WOULD_BLOCK)
       do_throw("wrong error thrown: " + e);
     threw = true;
   }
   do_check_true(threw,
                 "should have thrown (nsStorageInputStream is nonblocking)");
 }
 /**
  * Basic functionality test for storagestream: write data to it, get an input
  * stream, and read the data back to see that it matches.
  */
 function test4()
 {
   var bytes = [65, 66, 67, 68, 69, 70, 71, 72, 73, 74];
   var ss = Cc["@mozilla.org/storagestream;1"]
              .createInstance(Ci.nsIStorageStream);
   ss.init(1024, 1024, null);
   var outStream = ss.getOutputStream(0);
   var bos = Cc["@mozilla.org/binaryoutputstream;1"]
               .createInstance(Ci.nsIBinaryOutputStream);
   bos.setOutputStream(outStream);
   bos.writeByteArray(bytes, bytes.length);
   bos.close();
   var inp = ss.newInputStream(0);
   var bis = BIS(inp);
   var count = 0;
   while (count < bytes.length)
   {
     var data = bis.read8(1);
     do_check_eq(data, bytes[count++]);
   }
   var threw = false;
   try
   {
     data = bis.read8(1);
   }
   catch (e)
   {
     if (e.result != Cr.NS_ERROR_FAILURE)
       do_throw("wrong error thrown: " + e);
     threw = true;
   }
   if (!threw)
     do_throw("should have thrown but instead returned: '" + data + "'");
 }
 function BIS(input)
 {
   var bis = Cc["@mozilla.org/binaryinputstream;1"]
               .createInstance(Ci.nsIBinaryInputStream);
   bis.setInputStream(input);
   return bis;
 }