1 files changed, 29 insertions, 0 deletions
diff --git a/browser/base/content/test/about/slow_loading_page.sjs b/browser/base/content/test/about/slow_loading_page.sjs
new file mode 100644
index 0000000000..747390cdf7
--- /dev/null
+++ b/browser/base/content/test/about/slow_loading_page.sjs
@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const DELAY_MS = 400;
+
+const HTML = `<!DOCTYPE HTML>
+<html dir="ltr" xml:lang="en-US" lang="en-US">
+  <head>
+    <meta charset="utf8">
+  </head>
+  <body>hi mom!
+  </body>
+</html>`;
+
+function handleRequest(req, resp) {
+  resp.processAsync();
+
+  let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+  timer.init(
+    () => {
+      resp.setHeader("Cache-Control", "no-cache", false);
+      resp.setHeader("Content-Type", "text/html;charset=utf-8", false);
+      resp.write(HTML);
+      resp.finish();
+    },
+    DELAY_MS,
+    Ci.nsITimer.TYPE_ONE_SHOT
+  );
+}