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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that the WebAudioActor receives and emits the `automation-event` events
* with correct arguments from the content.
*/
add_task(function* () {
let { target, front } = yield initBackend(AUTOMATION_URL);
let events = [];
let expected = [
["setValueAtTime", 0.2, 0],
["linearRampToValueAtTime", 1, 0.3],
["exponentialRampToValueAtTime", 0.75, 0.6],
["setValueCurveAtTime", [-1, 0, 1], 0.7, 0.3],
];
front.on("automation-event", onAutomationEvent);
let [_, __, [destNode, oscNode, gainNode], [connect1, connect2]] = yield Promise.all([
front.setup({ reload: true }),
once(front, "start-context"),
get3(front, "create-node"),
get2(front, "connect-node")
]);
is(events.length, 4, "correct number of events fired");
function onAutomationEvent(e) {
let { eventName, paramName, args } = e;
let exp = expected[events.length];
is(eventName, exp[0], "correct eventName in event");
is(paramName, "frequency", "correct paramName in event");
is(args.length, exp.length - 1, "correct length in args");
args.forEach((a, i) => {
// In the case of an array
if (typeof a === "object") {
a.forEach((f, j) => is(f, exp[i + 1][j], `correct argument in Float32Array: ${f}`));
} else {
is(a, exp[i + 1], `correct ${i + 1}th argument in args: ${a}`);
}
});
events.push([eventName].concat(args));
}
front.off("automation-event", onAutomationEvent);
yield removeTab(target.tab);
});
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