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// META: script=/common/get-host-info.sub.js
async_test(function(t) {
var host = get_host_info();
var noteSameSiteURL = host.HTTP_NOTSAMESITE_ORIGIN + "/webmessaging/support/ChildWindowPostMessage.htm";
var TOTALPORTS = 100;
var LocalPorts = [];
var RemotePorts = [];
var PassedResult = 0;
var sum = 0;
let iframe = document.createElement('iframe');
iframe.src = noteSameSiteURL;
document.body.appendChild(iframe);
var TARGET = document.querySelector("iframe").contentWindow;
iframe.onload = t.step_func(function() {
assert_own_property(window, "MessageChannel", "window");
var channels = [];
for (var i=0; i<TOTALPORTS; i++)
{
channels[i] = new MessageChannel();
LocalPorts[i] = channels[i].port1;
LocalPorts[i].foo = i;
RemotePorts[i] = channels[i].port2;
LocalPorts[i].onmessage = t.step_func(function(e)
{
assert_equals(e.target.foo, e.data);
PassedResult++;
sum += e.data;
if (PassedResult == TOTALPORTS)
{
assert_equals(sum, 4950);
t.done();
}
});
}
// Sending in two batches, to test the two postMessage variants.
var firstBatch = RemotePorts.slice(0, 50);
var secondBatch = RemotePorts.slice(50, 100);
TARGET.postMessage("ports", "*", firstBatch);
TARGET.postMessage("ports", {targetOrigin: '*', transfer: secondBatch});
});
var counter = 0;
window.onmessage = function(e)
{
if (e.data === "ports")
{
if (counter == 0) {
for (var i=0; i<51; i++)
{
LocalPorts[i].postMessage(LocalPorts[i].foo);
}
counter = 1;
} else {
for (var i=51; i<100; i++)
{
LocalPorts[i].postMessage(LocalPorts[i].foo);
}
}
}
}
}, "Test Description: postMessage to cross-site iframe with MessagePort array containing 100 ports.");
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