1 files changed, 38 insertions, 0 deletions
diff --git a/devtools/server/tests/browser/browser_animation_getSubTreeAnimations.js b/devtools/server/tests/browser/browser_animation_getSubTreeAnimations.js
new file mode 100644
index 000000000..50782d6de
--- /dev/null
+++ b/devtools/server/tests/browser/browser_animation_getSubTreeAnimations.js
@@ -0,0 +1,38 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check that the AnimationsActor can retrieve all animations inside a node's
+// subtree (but not going into iframes).
+
+const URL = MAIN_DOMAIN + "animation.html";
+
+add_task(function* () {
+  info("Creating a test document with 2 iframes containing animated nodes");
+
+  let {client, walker, animations} = yield initAnimationsFrontForUrl(
+    "data:text/html;charset=utf-8," +
+    "<iframe id='iframe' src='" + URL + "'></iframe>");
+
+  info("Try retrieving all animations from the root doc's <body> node");
+  let rootBody = yield walker.querySelector(walker.rootNode, "body");
+  let players = yield animations.getAnimationPlayersForNode(rootBody);
+  is(players.length, 0, "The node has no animation players");
+
+  info("Retrieve all animations from the iframe's <body> node");
+  let iframe = yield walker.querySelector(walker.rootNode, "#iframe");
+  let {nodes} = yield walker.children(iframe);
+  let frameBody = yield walker.querySelector(nodes[0], "body");
+  players = yield animations.getAnimationPlayersForNode(frameBody);
+
+  // Testing for a hard-coded number of animations here would intermittently
+  // fail depending on how fast or slow the test is (indeed, the test page
+  // contains short transitions, and delayed animations). So just make sure we
+  // at least have the infinitely running animations.
+  ok(players.length >= 4, "All subtree animations were retrieved");
+
+  yield client.close();
+  gBrowser.removeCurrentTab();
+});