Bug 1492627 [wpt PR 13084] - WebKit export of https://bugs.webkit.org/show_bug.cgi?id=189516, a=testonly

Automatic update from web-platform-testsMerge pull request #13084 from woaiwyhty/wpt-export-for-webkit-189516

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=189516
--

wpt-commits: 3400b268f2e87316c86a0efefdb474f6fadc1a3a
wpt-pr: 13084

testing/web-platform/meta/MANIFEST.json

@@ -621161,7 +621161,7 @@
    "manual"
   ],
   "mediacapture-streams/MediaStream-MediaElement-srcObject.https.html": [
-   "63442bea25b34cda8814a22dc1e90a7871b4a0b9",
+   "2ed96ec386c23c019791c8306d7d81cd4b3af920",
    "testharness"
   ],
   "mediacapture-streams/MediaStream-add-audio-track.https.html": [

testing/web-platform/tests/mediacapture-streams/MediaStream-MediaElement-srcObject.https.html

@@ -26,13 +26,12 @@ t.step(function() {
       var testOncePlaying = function() {
          assert_equals(vid.played.length, 1, "A MediaStream's timeline always consists of a single range");
          assert_equals(vid.played.start(0), 0, "A MediaStream's timeline always consists of a single range");
-         assert_equals(vid.played.end(0), vid.currentTime, "A MediaStream's timeline always consists of a single range");
+         assert_approx_equals(vid.played.end(0), vid.currentTime, 0.0001, "A MediaStream's timeline always consists of a single range");
          assert_equals(vid.readyState, vid.HAVE_ENOUGH_DATA, "Upon selecting a media stream, the UA sets readyState to HAVE_ENOUGH_DATA");
+         assert_equals(vid.duration, Infinity, " A MediaStream does not have a pre-defined duration. ");
          var time = vid.currentTime;
-         assert_throws("INVALID_STATE_ERR", function() {
-            vid.currentTime = 0;
-         });
-         assert_equals(vid.currentTime, time, "The UA MUST ignore attempts to set the currentTime attribute");
+
+         assert_approx_equals(vid.currentTime, time, 0.0001, "The UA MUST ignore attempts to set the currentTime attribute");
          // TODO add test that duration must be set to currentTime
          // when mediastream is destroyed
          vid.removeEventListener("timeupdate", testOncePlaying, false);
@@ -46,8 +45,7 @@ t.step(function() {
       assert_equals(vid.defaultPlaybackRate, 1, "playback rate is always 1");
       assert_equals(vid.playbackRate, 1, "playback rate is always 1");
       assert_equals(vid.buffered.length, 0, "A MediaStream cannot be preloaded.  Therefore, there is no buffered timeranges");
-      assert_equals(vid.duration, Infinity, " A MediaStream does not have a pre-defined duration. ");
-      assert_equals(vid.startDate, NaN, " A MediaStream does not specify a timeline offset");
+      assert_equals(vid.duration, vid.readyState == vid.HAVE_NOTHING ? NaN : Infinity, " A MediaStream does not have a pre-defined duration. ");
     }), function(error) {});
 });
 </script>