1 files changed, 38 insertions, 0 deletions
diff --git a/parser/htmlparser/tests/mochitest/file_bug543062.sjs b/parser/htmlparser/tests/mochitest/file_bug543062.sjs
new file mode 100644
index 0000000000..508cde5644
--- /dev/null
+++ b/parser/htmlparser/tests/mochitest/file_bug543062.sjs
@@ -0,0 +1,38 @@
+var timer;
+
+function armTimer(response) {
+  timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+  timer.initWithCallback(
+    function () {
+      if (
+        getState("docwritepreloadssecond") == "second" &&
+        getState("docwritepreloadsthird") == "third"
+      ) {
+        response.write(
+          "ok(true, 'Second and third scripts should have started loading while the first one is loading');"
+        );
+        response.finish();
+      } else {
+        armTimer(response);
+      }
+    },
+    20,
+    Ci.nsITimer.TYPE_ONE_SHOT
+  );
+}
+
+function handleRequest(request, response) {
+  response.setHeader("Cache-Control", "no-cache", false);
+  response.setHeader("Content-Type", "text/javascript", false);
+  if (request.queryString.includes("first")) {
+    response.write("// first\n");
+    response.processAsync();
+    armTimer(response);
+  } else if (request.queryString.includes("second")) {
+    response.write("// second\n");
+    setState("docwritepreloadssecond", "second");
+  } else {
+    response.write("// third\n");
+    setState("docwritepreloadsthird", "third");
+  }
+}