1 files changed, 30 insertions, 0 deletions
diff --git a/dom/animation/test/mozilla/file_disable_animations_api_timelines.html b/dom/animation/test/mozilla/file_disable_animations_api_timelines.html
new file mode 100644
index 0000000000..39fedb299a
--- /dev/null
+++ b/dom/animation/test/mozilla/file_disable_animations_api_timelines.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<meta charset=utf-8>
+<script src="../testcommon.js"></script>
+<body>
+<script>
+'use strict';
+
+test(t => {
+  assert_false(
+    window.hasOwnProperty('DocumentTimeline'),
+    'DocumentTimeline should not be exposed on the global'
+  );
+  assert_false(
+    window.hasOwnProperty('AnimationTimeline'),
+    'AnimationTimeline should not be exposed on the global'
+  );
+  assert_false(
+    'timeline' in document,
+    'document should not have a timeline property'
+  );
+
+  const anim = addDiv(t).animate(null);
+  assert_false(
+    'timeline' in anim,
+    'Animation should not have a timeline property'
+  );
+}, 'Timeline-related interfaces and members are disabled');
+
+done();
+</script>