Bug 759789 - Don't move on to the next test (or finishing) until we get all expected non-optional 'loadend' events. r=smaug

content/base/test/test_bug435425.html

@@ -45,9 +45,20 @@ function logEvent(evt) {
   }
 }
 
-function stop(evt) {
+function hasPendingNonOptionalEvent(ev) {
+  var i = 0;
+  while (i < currentEvents.length) {
+    if (!currentEvents[i].optional && currentEvents[i].type == ev)
+      return true;
+    ++i;
+  }
+  return false;
+}
+
+function maybeStop(evt) {
   logEvent(evt);
-  nextTest();
+  if (!hasPendingNonOptionalEvent("loadend"))
+    nextTest();
 }
 
 function openXHR(xhr, method, url, privileged) {
@@ -83,7 +94,7 @@ function start(obj) {
     }
   xhr.onloadend =
     function (evt) {
-      stop(evt);
+      maybeStop(evt);
     }
   xhr.onloadstart =
     function (evt) {
@@ -121,7 +132,7 @@ function start(obj) {
       }
     xhr.upload.onloadend =
       function (evt) {
-        logEvent(evt);
+        maybeStop(evt);
       }
   }