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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test whether keyframes progress bar moves correctly after resuming the animation.
add_task(async function () {
await addTab(URL_ROOT + "doc_simple_animation.html");
await removeAnimatedElementsExcept([".animated"]);
const { animationInspector, panel } = await openAnimationInspector();
const scrubberPositions = [0, 0.25, 0.5, 0.75];
const expectedPositions = [0, 0.25, 0.5, 0.75];
info("Check whether the keyframes progress bar position was correct");
await assertPosition(
panel,
scrubberPositions,
expectedPositions,
animationInspector
);
info(
"Check whether the keyframes progress bar position was correct " +
"after a bit time passed and resuming"
);
await wait(500);
clickOnPauseResumeButton(animationInspector, panel);
await assertPosition(
panel,
scrubberPositions,
expectedPositions,
animationInspector
);
});
async function assertPosition(
panel,
scrubberPositions,
expectedPositions,
animationInspector
) {
const areaEl = panel.querySelector(".keyframes-progress-bar-area");
const barEl = areaEl.querySelector(".keyframes-progress-bar");
const controllerBounds = areaEl.getBoundingClientRect();
for (let i = 0; i < scrubberPositions.length; i++) {
info(`Scrubber position is ${scrubberPositions[i]}`);
clickOnCurrentTimeScrubberController(
animationInspector,
panel,
scrubberPositions[i]
);
await waitUntilAnimationsPlayState(animationInspector, "paused");
const barBounds = barEl.getBoundingClientRect();
const barX = barBounds.x + barBounds.width / 2 - controllerBounds.x;
const expected = controllerBounds.width * expectedPositions[i];
ok(
expected - 1 < barX && barX < expected + 1,
`Position should apploximately be ${expected} (x of bar is ${barX})`
);
}
}