diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_bug894586.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_bug894586.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,114 @@
+/*
+ * Tests for bug 894586: nsSyncLoadService::PushSyncStreamToListener
+ * should not fail for channels of unknown size
+ */
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function ProtocolHandler() {
+  this.uri = Cc["@mozilla.org/network/simple-uri;1"].
+               createInstance(Ci.nsIURI);
+  this.uri.spec = this.scheme + ":dummy";
+  this.uri.QueryInterface(Ci.nsIMutable).mutable = false;
+}
+
+ProtocolHandler.prototype = {
+  /** nsIProtocolHandler */
+  get scheme() "x-bug894586",
+  get defaultPort() -1,
+  get protocolFlags() Ci.nsIProtocolHandler.URI_NORELATIVE |
+                      Ci.nsIProtocolHandler.URI_NOAUTH |
+                      Ci.nsIProtocolHandler.URI_IS_UI_RESOURCE |
+                      Ci.nsIProtocolHandler.URI_IS_LOCAL_RESOURCE |
+                      Ci.nsIProtocolHandler.URI_NON_PERSISTABLE |
+                      Ci.nsIProtocolHandler.URI_SYNC_LOAD_IS_OK,
+  newURI: function(aSpec, aOriginCharset, aBaseURI) this.uri,
+  newChannel: function(aURI) this,
+  allowPort: function(port, scheme) port != -1,
+
+  /** nsIChannel */
+  get originalURI() this.uri,
+  get URI() this.uri,
+  owner: null,
+  notificationCallbacks: null,
+  get securityInfo() null,
+  get contentType() "text/css",
+  set contentType(val) void(0),
+  contentCharset: "UTF-8",
+  get contentLength() -1,
+  set contentLength(val) {
+    throw Components.Exception("Setting content length", NS_ERROR_NOT_IMPLEMENTED);
+  },
+  open: function() {
+    var file = do_get_file("test_bug894586.js", false);
+    do_check_true(file.exists());
+    var url = Services.io.newFileURI(file);
+    return Services.io.newChannelFromURI(url).open();
+  },
+  asyncOpen: function(aListener, aContext) {
+    throw Components.Exception("Not implemented",
+                               Cr.NS_ERROR_NOT_IMPLEMENTED);
+  },
+  contentDisposition: Ci.nsIChannel.DISPOSITION_INLINE,
+  get contentDispositionFilename() {
+    throw Components.Exception("No file name",
+                               Cr.NS_ERROR_NOT_AVAILABLE);
+  },
+  get contentDispositionHeader() {
+    throw Components.Exception("No header",
+                               Cr.NS_ERROR_NOT_AVAILABLE);
+  },
+
+  /** nsIRequest */
+  get name() this.uri.spec,
+  isPending: function() false,
+  get status() Cr.NS_OK,
+  cancel: function(status) {},
+  loadGroup: null,
+  loadFlags: Ci.nsIRequest.LOAD_NORMAL |
+             Ci.nsIRequest.INHIBIT_CACHING |
+             Ci.nsIRequest.LOAD_BYPASS_CACHE,
+
+  /** nsIFactory */
+  createInstance: function(aOuter, aIID) {
+    if (aOuter) {
+      throw Components.Exception("createInstance no aggregation",
+                                 Cr.NS_ERROR_NO_AGGREGATION);
+    }
+    return this.QueryInterface(aIID);
+  },
+  lockFactory: function() {},
+
+  /** nsISupports */
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIProtocolHandler,
+                                         Ci.nsIRequest,
+                                         Ci.nsIChannel,
+                                         Ci.nsIFactory]),
+  classID: Components.ID("{16d594bc-d9d8-47ae-a139-ea714dc0c35c}")
+};
+
+/**
+ * Attempt a sync load; we use the stylesheet service to do this for us,
+ * based on the knowledge that it forces a sync load under the hood.
+ */
+function run_test()
+{
+  var handler = new ProtocolHandler();
+  var registrar = Components.manager.
+                             QueryInterface(Ci.nsIComponentRegistrar);
+  registrar.registerFactory(handler.classID, "",
+                            "@mozilla.org/network/protocol;1?name=" + handler.scheme,
+                            handler);
+  try {
+    var ss = Cc["@mozilla.org/content/style-sheet-service;1"].
+               getService(Ci.nsIStyleSheetService);
+    ss.loadAndRegisterSheet(handler.uri, Ci.nsIStyleSheetService.AGENT_SHEET);
+    do_check_true(ss.sheetRegistered(handler.uri, Ci.nsIStyleSheetService.AGENT_SHEET));
+  } finally {
+    registrar.unregisterFactory(handler.classID, handler);
+  }
+}
+
+// vim: set et ts=2 :
+