1 files changed, 21 insertions, 0 deletions
diff --git a/layout/style/test/slow_ok_sheet.sjs b/layout/style/test/slow_ok_sheet.sjs
new file mode 100644
index 0000000000..5673bb2be8
--- /dev/null
+++ b/layout/style/test/slow_ok_sheet.sjs
@@ -0,0 +1,21 @@
+// Make sure our timer stays alive.
+let gTimer;
+
+function handleRequest(request, response) {
+  response.setHeader("Content-Type", "text/css", false);
+  response.setStatusLine("1.1", 200, "OK");
+  response.processAsync();
+
+  gTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+  // Wait for 1s before responding; this should usually make sure this load comes in last.
+  gTimer.init(
+    () => {
+      // This sheet _does_ still get applied even though its importing link
+      // overall reports failure...
+      response.write("nosuchelement { background: red }");
+      response.finish();
+    },
+    1000,
+    Ci.nsITimer.TYPE_ONE_SHOT
+  );
+}