1 files changed, 74 insertions, 0 deletions
diff --git a/devtools/server/tests/browser/browser_animation_setCurrentTime.js b/devtools/server/tests/browser/browser_animation_setCurrentTime.js
new file mode 100644
index 000000000..16dbaa544
--- /dev/null
+++ b/devtools/server/tests/browser/browser_animation_setCurrentTime.js
@@ -0,0 +1,74 @@
+/* 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 a player's currentTime can be changed and that the AnimationsActor
+// allows changing many players' currentTimes at once.
+
+add_task(function* () {
+  let {client, walker, animations} =
+    yield initAnimationsFrontForUrl(MAIN_DOMAIN + "animation.html");
+
+  yield testSetCurrentTime(walker, animations);
+  yield testSetCurrentTimes(walker, animations);
+
+  yield client.close();
+  gBrowser.removeCurrentTab();
+});
+
+function* testSetCurrentTime(walker, animations) {
+  info("Retrieve an animated node");
+  let node = yield walker.querySelector(walker.rootNode, ".simple-animation");
+
+  info("Retrieve the animation player for the node");
+  let [player] = yield animations.getAnimationPlayersForNode(node);
+
+  ok(player.setCurrentTime, "Player has the setCurrentTime method");
+
+  info("Check that the setCurrentTime method can be called");
+  // Note that we don't check that it sets the animation to the right time here,
+  // this is too prone to intermittent failures, we'll do this later after
+  // pausing the animation. Here we merely test that the method doesn't fail.
+  yield player.setCurrentTime(player.initialState.currentTime + 1000);
+
+  info("Pause the animation so we can really test if setCurrentTime works");
+  yield player.pause();
+  let pausedState = yield player.getCurrentState();
+
+  info("Set the current time to currentTime + 5s");
+  yield player.setCurrentTime(pausedState.currentTime + 5000);
+
+  let updatedState1 = yield player.getCurrentState();
+  is(Math.round(updatedState1.currentTime - pausedState.currentTime), 5000,
+    "The currentTime was updated to +5s");
+
+  info("Set the current time to currentTime - 2s");
+  yield player.setCurrentTime(updatedState1.currentTime - 2000);
+  let updatedState2 = yield player.getCurrentState();
+  is(Math.round(updatedState2.currentTime - updatedState1.currentTime), -2000,
+    "The currentTime was updated to -2s");
+}
+
+function* testSetCurrentTimes(walker, animations) {
+  ok(animations.setCurrentTimes, "The AnimationsActor has the right method");
+
+  info("Retrieve multiple animated node and its animation players");
+
+  let nodeMulti = yield walker.querySelector(walker.rootNode,
+    ".multiple-animations");
+  let players = (yield animations.getAnimationPlayersForNode(nodeMulti));
+
+  ok(players.length > 1, "Node has more than 1 animation player");
+
+  info("Try to set multiple current times at once");
+  yield animations.setCurrentTimes(players, 500, true);
+
+  info("Get the states of players and verify their correctness");
+  for (let i = 0; i < players.length; i++) {
+    let state = yield players[i].getCurrentState();
+    is(state.playState, "paused", `Player ${i + 1} is paused`);
+    is(state.currentTime, 500, `Player ${i + 1} has the right currentTime`);
+  }
+}