tenfourfox/devtools/server/tests/browser/browser_animation_keepFinished.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

52 lines
1.6 KiB
JavaScript

/* 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";
// Test that the AnimationsActor doesn't report finished animations as removed.
// Indeed, animations that only have the "finished" playState can be modified
// still, so we want the AnimationsActor to preserve the corresponding
// AnimationPlayerActor.
add_task(function*() {
let {client, walker, animations} =
yield initAnimationsFrontForUrl(MAIN_DOMAIN + "animation.html");
info("Retrieve a non-animated node");
let node = yield walker.querySelector(walker.rootNode, ".not-animated");
info("Retrieve the animation player for the node");
let players = yield animations.getAnimationPlayersForNode(node);
is(players.length, 0, "The node has no animation players");
info("Listen for new animations");
let reportedMutations = [];
function onMutations(mutations) {
reportedMutations = [...reportedMutations, ...mutations];
}
animations.on("mutations", onMutations);
info("Add a short animation on the node");
yield node.modifyAttributes([
{attributeName: "class", newValue: "short-animation"}
]);
info("Wait for longer than the animation's duration");
yield wait(2000);
is(reportedMutations.length, 1, "Only one mutation was reported");
is(reportedMutations[0].type, "added", "The mutation was an addition");
animations.off("mutations", onMutations);
yield closeDebuggerClient(client);
gBrowser.removeCurrentTab();
});
function wait(ms) {
return new Promise(resolve => {
setTimeout(resolve, ms);
});
}