1 files changed, 23 insertions, 0 deletions
diff --git a/dom/events/test/file_event_screenXY.html b/dom/events/test/file_event_screenXY.html
new file mode 100644
index 0000000000..d39e28abc2
--- /dev/null
+++ b/dom/events/test/file_event_screenXY.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<script src="/tests/SimpleTest/paint_listener.js"></script>
+<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
+<style>
+html, body {
+  height: 100%;
+  margin: 0px;
+  padding: 0px;
+}
+</style>
+<div style="width:100%;height:100%;background-color:red;"></div>
+<script>
+  document.querySelector("div").addEventListener("click", event => {
+    parent.postMessage({ screenX: event.screenX,
+                         screenY: event.screenY,
+                         clientX: event.clientX,
+                         clientY: event.clientY }, "*");
+  });
+  window.onload = async () => {
+    await promiseApzFlushedRepaints();
+    parent.postMessage("ready", "*");
+  }
+</script>