tenfourfox/devtools/client/webaudioeditor/test/browser_audionode-actor-connectparam.js

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2017-04-19 07:56:45 +00:00
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests that AudioNodeActor#connectParam() work.
* Uses the editor front as the actors do not retain connect state.
*/
add_task(function*() {
let { target, panel } = yield initWebAudioEditor(SIMPLE_CONTEXT_URL);
let { panelWin } = panel;
let { gFront, $, $$, EVENTS, gAudioNodes } = panelWin;
reload(target);
let [actors] = yield Promise.all([
get3(gFront, "create-node"),
waitForGraphRendered(panelWin, 3, 2)
]);
let [dest, osc, gain] = actors;
yield osc.disconnect();
osc.connectParam(gain, "gain");
yield Promise.all([
waitForGraphRendered(panelWin, 3, 1, 1),
once(gAudioNodes, "connect")
]);
ok(true, "Oscillator connect to Gain's Gain AudioParam, event emitted.");
yield teardown(target);
});