// META: title=basic messagechannel with transfer | |
async_test(function(t) { | |
var channel = new MessageChannel(); | |
var ab = new ArrayBuffer(1); | |
channel.port1.postMessage(ab, {transfer: [ab]}); | |
channel.port2.onmessage = t.step_func( | |
function(e) { | |
assert_equals(e.data.byteLength, 1); | |
t.done(); | |
}); | |
channel.port2.start(); | |
}); |