netwerk/test/TestObjectCache.js

   1 function getCacheService()
   2 {
   3     var nsCacheService = Components.classes["@mozilla.org/network/cache-service;1"];
   4     var service = nsCacheService.getService(Components.interfaces.nsICacheService);
   5     return service;
   6 }
   7
   8 function createCacheSession(clientID, storagePolicy, streamable)
   9 {
  10     var service = getCacheService();
  11     var nsICache = Components.interfaces.nsICache;
  12     var session = service.createSession(clientID, storagePolicy, streamable);
  13     return session;
  14 }
  15
  16 function openCacheEntry(clientID, url)
  17 {
  18     var nsICache = Components.interfaces.nsICache;
  19     var session = createCacheSession(clientID, nsICache.STORE_ANYWHERE, false);
  20     var entry = session.openCacheEntry(url, nsICache.ACCESS_READ_WRITE);
  21     return entry;
  22 }
  23
  24 function wrapString(str)
  25 {
  26     var nsISupportsCString = Components.interfaces.nsISupportsCString;
  27     var factory = Components.classes["@mozilla.org/supports-cstring;1"];
  28     var wrapper = factory.createInstance(nsISupportsCString);
  29     wrapper.data = str;
  30     return wrapper;
  31 }
  32
  33 function test()
  34 {
  35     var data = wrapString("javascript");
  36     var entry = openCacheEntry("javascript", "theme:button");
  37     entry.cacheElement = data;
  38     entry.markValid();
  39     entry.close();
  40
  41     var newEntry = openCacheEntry("javascript", "theme:button");
  42     if (newEntry.cacheElement === data)
  43         print("object cache works.");
  44     else
  45         print("object cache failed.");
  46 }
  47
  48 test();