1 files changed, 27 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/examples/doc-scroll-run-to-completion.html b/devtools/client/debugger/test/mochitest/examples/doc-scroll-run-to-completion.html
new file mode 100644
index 0000000000..6cc7f123ab
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/examples/doc-scroll-run-to-completion.html
@@ -0,0 +1,27 @@
+ <!-- This Source Code Form is subject to the terms of the Mozilla Public
+    - License, v. 2.0. If a copy of the MPL was not distributed with this
+    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!DOCTYPE html>
+<meta charset=UTF-8>
+<body></body>
+<script>
+const cpmm = SpecialPowers.Services.cpmm;
+var result;
+
+for (var i = 0; i < 100; i++) {
+var div = document.createElement("div");
+div.innerHTML = "Hello World!";
+document.body.insertBefore(div, document.body.firstChild);
+}
+
+async function pauseOnce() {
+    window.addEventListener('scroll', done);
+    result = "test failed";
+    debugger;
+    result = "test passed";
+}
+
+function done() {
+    cpmm.sendAsyncMessage(result);
+}
+</script>