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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests if draw calls inside a single animation frame generate and retrieve
* the correct "end result" screenshot.
*/
function* ifTestingSupported() {
let { target, front } = yield initCanvasDebuggerBackend(SIMPLE_CANVAS_URL);
let navigated = once(target, "navigate");
yield front.setup({ reload: true });
ok(true, "The front was setup up successfully.");
yield navigated;
ok(true, "Target automatically navigated when the front was set up.");
let snapshotActor = yield front.recordAnimationFrame();
ok(snapshotActor,
"A snapshot actor was sent after recording.");
let animationOverview = yield snapshotActor.getOverview();
ok(snapshotActor,
"An animation overview could be retrieved after recording.");
let screenshot = animationOverview.screenshot;
ok(screenshot,
"A screenshot was sent after recording.");
is(screenshot.index, 6,
"The screenshot's index is correct.");
is(screenshot.width, 128,
"The screenshot's width is correct.");
is(screenshot.height, 128,
"The screenshot's height is correct.");
is(screenshot.flipped, false,
"The screenshot's flipped flag is correct.");
is([].find.call(Uint32(screenshot.pixels), e => e > 0), 4290822336,
"The screenshot's pixels seem to not be completely transparent.");
yield removeTab(target.tab);
finish();
}
function Uint32(src) {
let charView = new Uint8Array(src);
return new Uint32Array(charView.buffer);
}
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