1 files changed, 35 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug1550869_video.html b/layout/base/tests/test_bug1550869_video.html
new file mode 100644
index 0000000000..8b26533597
--- /dev/null
+++ b/layout/base/tests/test_bug1550869_video.html
@@ -0,0 +1,35 @@
+<!DOCTYPE HTML>
+<html>
+  <title>Bug 1516963: Test AccessibleCaret doesn't show when clicking on an empty video container.</title>
+  <script src="/tests/SimpleTest/EventUtils.js"></script>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <style>
+  #container {
+    border: 1px solid blue;
+    width: 100px;
+    height: 100px;
+    background-color: yellow;
+  }
+  </style>
+  <script>
+  SimpleTest.waitForExplicitFinish();
+
+  document.addEventListener("selectionchange", () => {
+    ok(window.getSelection().isCollapsed, "The selection should be collapsed!");
+  });
+
+  function click() {
+    ok(window.getSelection().isCollapsed, "The selection should start collapsed!");
+    let container = document.getElementById("container");
+    synthesizeMouseAtCenter(container, {});
+    setTimeout(() => {
+      ok(window.getSelection().isCollapsed, "The selection should remain collapsed!");
+      SimpleTest.finish();
+    });
+  }
+  </script>
+  <body onload="SimpleTest.waitForFocus(click);">
+    <video id="container"></video>
+  </body>
+</html>