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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test whether the scrubber was working in case of negative playback rate.
add_task(async function () {
await addTab(URL_ROOT + "doc_negative_playback_rate.html");
await removeAnimatedElementsExcept([".normal"]);
const { animationInspector, panel } = await openAnimationInspector();
info("Set initial state");
clickOnCurrentTimeScrubberController(animationInspector, panel, 0);
await waitUntilAnimationsPlayState(animationInspector, "paused");
const initialCurrentTime =
animationInspector.state.animations[0].state.currentTime;
const initialProgressBarX = getProgressBarX(panel);
info("Check whether the animation currentTime was decreased");
clickOnCurrentTimeScrubberController(animationInspector, panel, 0.5);
await waitUntilCurrentTimeChangedAt(
animationInspector,
animationInspector.state.timeScale.getDuration() * 0.5
);
Assert.greater(
initialCurrentTime,
animationInspector.state.animations[0].state.currentTime,
"currentTime should be decreased"
);
info("Check whether the progress bar was moved to left");
Assert.greater(
initialProgressBarX,
getProgressBarX(panel),
"Progress bar should be moved to left"
);
});
function getProgressBarX(panel) {
const areaEl = panel.querySelector(".keyframes-progress-bar-area");
const barEl = areaEl.querySelector(".keyframes-progress-bar");
const controllerBounds = areaEl.getBoundingClientRect();
const barBounds = barEl.getBoundingClientRect();
const barX = barBounds.x + barBounds.width / 2 - controllerBounds.x;
return barX;
}
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