1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/svg/animations/cyclic-syncbase-2.html b/testing/web-platform/tests/svg/animations/cyclic-syncbase-2.html
new file mode 100644
index 0000000000..7e27f469e8
--- /dev/null
+++ b/testing/web-platform/tests/svg/animations/cyclic-syncbase-2.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<title>Cyclic syncbase dependency with syncbase trigger</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<svg>
+  <rect width="100" height="100" fill="blue">
+    <animate attributeName="fill" from="yellow" to="blue" id="a"
+             begin="c.end; b.begin" dur="10ms"/>
+  </rect>
+  <rect width="100" height="100" x="100" fill="blue">
+    <animate attributeName="fill" from="yellow" to="blue" id="b"
+             begin="c.end; a.begin" dur="10ms"/>
+  </rect>
+  <rect width="100" height="100" x="200" fill="blue">
+    <animate attributeName="fill" from="yellow" to="blue" id="c"
+             begin="0; 15ms" dur="10ms"/>
+  </rect>
+</svg>
+<script>
+  async_test(function(t) {
+    let a = document.getElementById('a');
+    a.begun = 0;
+    a.addEventListener('beginEvent', t.step_func(function() {
+      a.begun++;
+      if (a.begun === 2)
+        t.done();
+    }));
+  });
+</script>