1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/interfaces/TrackEvent/constructor.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/interfaces/TrackEvent/constructor.html
new file mode 100644
index 0000000000..cb5b89711f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/interfaces/TrackEvent/constructor.html
@@ -0,0 +1,25 @@
+<!doctype html>
+<title>TrackEvent constructor</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id=log></div>
+<script>
+test(function(){
+    var ev = new TrackEvent('foo');
+    assert_true(ev instanceof TrackEvent, 'ev instanceof TrackEvent');
+    assert_true(ev instanceof Event, 'ev instanceof Event');
+    assert_equals(ev.track, null, 'ev.track');
+    ev.track = {};
+    assert_equals(ev.track, null, 'ev.track after assignment');
+}, document.title+', one arg');
+test(function(){
+    var video = document.createElement('video');
+    var testTrack = video.addTextTrack('subtitles', 'foo', 'foo');
+    var ev = new TrackEvent('foo', {track: testTrack});
+    assert_true(ev instanceof TrackEvent, 'ev instanceof TrackEvent');
+    assert_true(ev instanceof Event, 'ev instanceof Event');
+    assert_equals(ev.track, testTrack, 'ev.track');
+    ev.track = {};
+    assert_equals(ev.track, testTrack, 'ev.track after assignment');
+}, document.title+', two args');
+</script>