diff -r 000000000000 -r 6474c204b198 netwerk/test/TestStreamLoader.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/TestStreamLoader.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include "TestCommon.h"
+#include "nsNetUtil.h"
+#include "nsThreadUtils.h"
+#include "prlog.h"
+#include "mozilla/Attributes.h"
+
+#if defined(PR_LOGGING)
+//
+// set NSPR_LOG_MODULES=Test:5
+//
+static PRLogModuleInfo *gTestLog = nullptr;
+#endif
+#define LOG(args) PR_LOG(gTestLog, PR_LOG_DEBUG, args)
+
+class MyStreamLoaderObserver MOZ_FINAL : public nsIStreamLoaderObserver
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISTREAMLOADEROBSERVER
+};
+
+NS_IMPL_ISUPPORTS(MyStreamLoaderObserver, nsIStreamLoaderObserver)
+
+NS_IMETHODIMP
+MyStreamLoaderObserver::OnStreamComplete(nsIStreamLoader *loader,
+                                         nsISupports     *ctxt,
+                                         nsresult         status,
+                                         uint32_t         resultLen,
+                                         const uint8_t   *result)
+{
+  LOG(("OnStreamComplete [status=%x resultLen=%u]\n", status, resultLen));
+
+  nsCOMPtr<nsIRequest> request;
+  loader->GetRequest(getter_AddRefs(request));
+  LOG(("  request=%p\n", request.get()));
+
+  QuitPumpingEvents();
+  return NS_OK;
+}
+
+int main(int argc, char **argv)
+{
+  if (test_common_init(&argc, &argv) != 0)
+    return -1;
+
+  if (argc < 2) {
+    printf("usage: %s <url>\n", argv[0]);
+    return -1;
+  }
+
+#if defined(PR_LOGGING)
+  gTestLog = PR_NewLogModule("Test");
+#endif
+
+  nsresult rv = NS_InitXPCOM2(nullptr, nullptr, nullptr);
+  if (NS_FAILED(rv))
+    return -1;
+
+  {
+    nsCOMPtr<nsIURI> uri;
+    rv = NS_NewURI(getter_AddRefs(uri), nsDependentCString(argv[1]));
+    if (NS_FAILED(rv))
+      return -1;
+
+    nsCOMPtr<nsIChannel> chan;
+    rv = NS_NewChannel(getter_AddRefs(chan), uri);
+    if (NS_FAILED(rv))
+      return -1;
+
+    nsCOMPtr<nsIStreamLoaderObserver> observer = new MyStreamLoaderObserver();
+    if (!observer)
+      return -1;
+
+    nsCOMPtr<nsIStreamLoader> loader;
+    rv = NS_NewStreamLoader(getter_AddRefs(loader), observer);
+    if (NS_FAILED(rv))
+      return -1;
+
+    rv = chan->AsyncOpen(loader, nullptr);
+    if (NS_FAILED(rv))
+      return -1;
+
+    PumpEvents();
+  } // this scopes the nsCOMPtrs
+  // no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
+  NS_ShutdownXPCOM(nullptr);
+  return 0;
+}