1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html
new file mode 100644
index 0000000000..edc202f435
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<title>All events are triggered in chronological order</title>
+<script src="/common/media.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<video>
+    <track src="resources/sorted-dispatch.vtt" default>
+    <script>
+    async_test(function(t) {
+        var video = document.querySelector("video");
+        video.src = getVideoURI("/media/test");
+        var track = document.querySelector("track");
+
+        track.onload = t.step_func(function() {
+            var cues = track.track.cues;
+            assert_equals(cues.length, 8);
+
+            for (var i = 0; i < cues.length; ++i) {
+                cues[i].onenter = t.step_func(cueEnteredOrExited);
+                cues[i].onexit = t.step_func(cueEnteredOrExited);
+            }
+
+            video.play();
+        });
+
+        var cueTimings = [];
+        function cueEnteredOrExited(event) {
+            var currentCue = event.target;
+
+            if (event.type == "exit")
+                cueTimings.push(currentCue.endTime);
+            else
+                cueTimings.push(currentCue.startTime);
+        }
+
+        video.onended = t.step_func_done(function() {
+            assert_equals(cueTimings.length, 14);
+            var time = 0;
+            for (var i = 0; i < cueTimings.length; ++i) {
+                assert_less_than_equal(time, cueTimings[i], "cueTimings[" + i + "]");
+                time = cueTimings[i];
+            }
+        });
+
+        video.currentTime = 5;
+    });
+    </script>
+</video>
+\ No newline at end of file