diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_cache2-15-conditional-304.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_cache2-15-conditional-304.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+function run_test()
+{
+  do_get_profile();
+
+  // Open for write, write
+  asyncOpenCacheEntry("http://304/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+    new OpenCallback(NEW, "31m", "31d", function(entry) {
+      // Open normally but wait for validation from the server
+      asyncOpenCacheEntry("http://304/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+        new OpenCallback(REVAL, "31m", "31d", function(entry) {
+          // emulate 304 from the server
+          do_execute_soon(function() {
+            entry.setValid(); // this will trigger OpenCallbacks bellow
+          });
+        })
+      );
+
+      var mc = new MultipleCallbacks(3, finish_cache2_test);
+
+      asyncOpenCacheEntry("http://304/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+        new OpenCallback(NORMAL, "31m", "31d", function(entry) {
+          mc.fired();
+        })
+      );
+      asyncOpenCacheEntry("http://304/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+        new OpenCallback(NORMAL, "31m", "31d", function(entry) {
+          mc.fired();
+        })
+      );
+      asyncOpenCacheEntry("http://304/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+        new OpenCallback(NORMAL, "31m", "31d", function(entry) {
+          mc.fired();
+        })
+      );
+    })
+  );
+
+  do_test_pending();
+}