netwerk/test/TestObjectCache.js

   1 function dumpLeaks()
   2 {
   3     var leakDetector = Components.classes["@mozilla.org/xpcom/leakdetector;1"].getService(Components.interfaces.nsILeakDetector);
   4     leakDetector.dumpLeaks();
   5 }
   6
   7 function getCacheService()
   8 {
   9     var nsCacheService = Components.classes["@mozilla.org/network/cache-service;1"];
  10     var service = nsCacheService.getService(Components.interfaces.nsICacheService);
  11     return service;
  12 }
  13
  14 function createCacheSession(clientID, storagePolicy, streamable)
  15 {
  16     var service = getCacheService();
  17     var nsICache = Components.interfaces.nsICache;
  18     var session = service.createSession(clientID, storagePolicy, streamable);
  19     return session;
  20 }
  21
  22 function openCacheEntry(clientID, url)
  23 {
  24     var nsICache = Components.interfaces.nsICache;
  25     var session = createCacheSession(clientID, nsICache.STORE_ANYWHERE, false);
  26     var entry = session.openCacheEntry(url, nsICache.ACCESS_READ_WRITE);
  27     return entry;
  28 }
  29
  30 function wrapString(str)
  31 {
  32     var nsISupportsCString = Components.interfaces.nsISupportsCString;
  33     var factory = Components.classes["@mozilla.org/supports-cstring;1"];
  34     var wrapper = factory.createInstance(nsISupportsCString);
  35     wrapper.data = str;
  36     return wrapper;
  37 }
  38
  39 function test()
  40 {
  41     var data = wrapString("javascript");
  42     var entry = openCacheEntry("javascript", "theme:button");
  43     entry.cacheElement = data;
  44     entry.markValid();
  45     entry.close();
  46
  47     var newEntry = openCacheEntry("javascript", "theme:button");
  48     if (newEntry.cacheElement === data)
  49         print("object cache works.");
  50     else
  51         print("object cache failed.");
  52 }
  53
  54 test();