import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/server/tests/browser/browser_animation_simple.js

@@ -0,0 +1,35 @@
+/* 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";
+
+// Simple checks for the AnimationsActor
+
+add_task(function* () {
+  let {client, walker, animations} = yield initAnimationsFrontForUrl(
+    "data:text/html;charset=utf-8,<title>test</title><div></div>");
+
+  ok(animations, "The AnimationsFront was created");
+  ok(animations.getAnimationPlayersForNode,
+     "The getAnimationPlayersForNode method exists");
+  ok(animations.toggleAll, "The toggleAll method exists");
+  ok(animations.playAll, "The playAll method exists");
+  ok(animations.pauseAll, "The pauseAll method exists");
+
+  let didThrow = false;
+  try {
+    yield animations.getAnimationPlayersForNode(null);
+  } catch (e) {
+    didThrow = true;
+  }
+  ok(didThrow, "An exception was thrown for a missing NodeActor");
+
+  let invalidNode = yield walker.querySelector(walker.rootNode, "title");
+  let players = yield animations.getAnimationPlayersForNode(invalidNode);
+  ok(Array.isArray(players), "An array of players was returned");
+  is(players.length, 0, "0 players have been returned for the invalid node");
+
+  yield client.close();
+  gBrowser.removeCurrentTab();
+});