1 files changed, 55 insertions, 0 deletions
diff --git a/dom/media/test/test_background_video_suspend_ends.html b/dom/media/test/test_background_video_suspend_ends.html
new file mode 100644
index 0000000000..c16ffff290
--- /dev/null
+++ b/dom/media/test/test_background_video_suspend_ends.html
@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Test Background Suspended Video Fires 'ended' Event</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script src="manifest.js"></script>
+<script src="background_video.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
+<script type="text/javascript">
+  "use strict";
+
+  PARALLEL_TESTS = 1;
+
+  var manager = new MediaTestManager;
+
+  async function runTest(test, token) {
+    let video = appendVideoToDoc(test.name, token);
+    manager.started(token);
+
+    // This test checks that 'ended' event is received for videos with
+    // suspended video decoding. This is important for looping video logic
+    // handling in HTMLMediaElement.
+
+    let ended = nextVideoEnded(video);
+    let suspends = nextVideoSuspends(video);
+
+    Log(token, "Start playing");
+    video.play();
+
+    Log(token, "Set hidden");
+    video.setVisible(false);
+
+    Log(token, "Waiting for video suspend");
+    await suspends;
+
+    Log(token, "Waiting for ended");
+    await ended;
+
+    ok(video.currentTime >= video.duration, 'current time approximates duration.');
+
+    manager.finished(token);
+  }
+
+  startTest({
+    desc: "Test Background Suspended Video Fires 'ended' Event",
+    prefs: [
+      ["media.test.video-suspend", true],
+      ["media.suspend-bkgnd-video.enabled", true],
+      // User a short delay to ensure video decode suspend happens before end
+      // of video.
+      ["media.suspend-bkgnd-video.delay-ms", 1000]
+    ],
+    tests: gDecodeSuspendTests,
+    runTest
+  });
+</script>
+\ No newline at end of file