Upstream timeline-time.html from Blink (#3340)

Import https://chromium.googlesource.com/chromium/src/+/f92b62a5dd9fa3ce8cb57c6711f52bb14dccd758/third_party/WebKit/LayoutTests/web-animations-api/timeline-time.html
web-platform-tests · Mar 17, 2017 · 58a942f · 58a942f
1 parent 06f938b
commit 58a942f
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/web-animations/interfaces/AnimationTimeline/document-timeline.html b/web-animations/interfaces/AnimationTimeline/document-timeline.html
@@ -56,4 +56,23 @@
   }));
 }, 'document.timeline.currentTime liveness tests');
 
+async_test(function(t) {
+  var startTime = document.timeline.currentTime;
+  var firstRafTime;
+
+  requestAnimationFrame(function() {
+    t.step(function() {
+      assert_greater_than_equal(document.timeline.currentTime, startTime, 'currentTime should have progressed');
+      firstRafTime = document.timeline.currentTime;
+    });
+  });
+
+  requestAnimationFrame(function() {
+    t.step(function() {
+      assert_equals(document.timeline.currentTime, firstRafTime, 'currentTime should be the same');
+    });
+    t.done();
+  });
+}, 'document.timeline.currentTime time should be the same for all RAF callbacks in a frame');
+
 </script>