servo/tests/wpt/web-platform-tests/webmessaging/message-channels/no-start.any.js

9 lines
294 B
JavaScript

// META: title=without start()
async_test(function(t) {
var channel = new MessageChannel();
channel.port1.postMessage(1);
var i = 0;
channel.port2.addEventListener('message', function() { i++; }, false);
setTimeout(t.step_func(function() { assert_equals(i, 0); t.done();}), 50);
});