Files
UXP-Fixed/devtools/client/animationinspector/test/browser_animation_timeline_currentTime.js
T
2018-02-02 04:16:08 -05:00

49 lines
1.6 KiB
JavaScript

/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
requestLongerTimeout(2);
// Check that the timeline toolbar displays the current time, and that it
// changes when animations are playing, gets back to 0 when animations are
// rewound, and stops when animations are paused.
add_task(function* () {
yield addTab(URL_ROOT + "doc_simple_animation.html");
let {panel} = yield openAnimationInspector();
let label = panel.timelineCurrentTimeEl;
ok(label, "The current time label exists");
// On page load animations are playing so the time shoud change, although we
// don't want to test the exact value of the time displayed, just that it
// actually changes.
info("Make sure the time displayed actually changes");
yield isCurrentTimeLabelChanging(panel, true);
info("Pause the animations and check that the time stops changing");
yield clickTimelinePlayPauseButton(panel);
yield isCurrentTimeLabelChanging(panel, false);
info("Rewind the animations and check that the time stops changing");
yield clickTimelineRewindButton(panel);
yield isCurrentTimeLabelChanging(panel, false);
is(label.textContent, "00:00.000");
});
function* isCurrentTimeLabelChanging(panel, isChanging) {
let label = panel.timelineCurrentTimeEl;
let time1 = label.textContent;
yield new Promise(r => setTimeout(r, 200));
let time2 = label.textContent;
if (isChanging) {
ok(time1 !== time2, "The text displayed in the label changes with time");
} else {
is(time1, time2, "The text displayed in the label doesn't change");
}
}