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+<!doctype html>
+<html>
+<head>
+<meta charset=utf-8>
+<title>CSS Transitions Test: transitionend event for implied property value</title>
+<meta name="assert" content="Test checks that all transitionend events are triggered for implied property value">
+<link rel="help" title="5. Transition Events" href="http://www.w3.org/TR/css3-transitions/#transition-events">
+<link rel="author" title="Rodney Rehm" href="http://rodneyrehm.de/en/">
+
+<script src="/resources/testharness.js" type="text/javascript"></script>
+<script src="/resources/testharnessreport.js" type="text/javascript"></script>
+<script src="./support/helper.js" type="text/javascript"></script>
+
+</head>
+<body>
+
+<div id="log"></div>
+
+<script>
+promise_test(t => {
+  const div = addDiv(t, { style: 'transition: all .01s linear' });
+  getComputedStyle(div).paddingLeft;
+  div.style.paddingLeft = '10px';
+
+  const watcher = new EventWatcher(t, div, [ 'transitionend' ]);
+  return watcher.wait_for('transitionend').then(evt => {
+    assert_end_events_equal(evt, 'padding-left', 0.01);
+  });
+}, 'transition:all changing padding-left from nothing');
+
+promise_test(t => {
+  const div = addDiv(t, { style: 'transition: all .01s linear' });
+  getComputedStyle(div).paddingLeft;
+  div.style.padding = '10px';
+
+  const watcher = new EventWatcher(t, div, [ 'transitionend' ]);
+  return watcher.wait_for(Array(4).fill('transitionend'),
+                          { record: 'all' }).then(evts => {
+    assert_end_event_batch_equal(evts,
+                                 [ 'padding-bottom',
+                                   'padding-left',
+                                   'padding-right',
+                                   'padding-top' ],
+                                 0.01);
+  });
+}, 'transition:all changing padding from nothing');
+</script>
+</body>
+</html>