1 files changed, 19 insertions, 0 deletions
diff --git a/layout/style/test/slow_broken_sheet.sjs b/layout/style/test/slow_broken_sheet.sjs
new file mode 100644
index 0000000000..6af03ee4c6
--- /dev/null
+++ b/layout/style/test/slow_broken_sheet.sjs
@@ -0,0 +1,19 @@
+// Make sure our timer stays alive.
+let gTimer;
+
+function handleRequest(request, response) {
+  response.setHeader("Content-Type", "text/html", false);
+  response.setStatusLine("1.1", 404, "Not Found");
+  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(
+    () => {
+      response.write("<h1>Hello</h1>");
+      response.finish();
+    },
+    1000,
+    Ci.nsITimer.TYPE_ONE_SHOT
+  );
+}