postMessage_MessagePorts_xsite.sub.window.js (2198B)
1 // META: script=/common/get-host-info.sub.js 2 3 async_test(function(t) { 4 var host = get_host_info(); 5 var noteSameSiteURL = host.HTTP_NOTSAMESITE_ORIGIN + "/webmessaging/support/ChildWindowPostMessage.htm"; 6 var TOTALPORTS = 100; 7 var LocalPorts = []; 8 var RemotePorts = []; 9 var PassedResult = 0; 10 var sum = 0; 11 let iframe = document.createElement('iframe'); 12 iframe.src = noteSameSiteURL; 13 document.body.appendChild(iframe); 14 var TARGET = document.querySelector("iframe").contentWindow; 15 iframe.onload = t.step_func(function() { 16 assert_own_property(window, "MessageChannel", "window"); 17 18 var channels = []; 19 20 for (var i=0; i<TOTALPORTS; i++) 21 { 22 channels[i] = new MessageChannel(); 23 LocalPorts[i] = channels[i].port1; 24 LocalPorts[i].foo = i; 25 RemotePorts[i] = channels[i].port2; 26 27 LocalPorts[i].onmessage = t.step_func(function(e) 28 { 29 assert_equals(e.target.foo, e.data); 30 31 PassedResult++; 32 sum += e.data; 33 34 if (PassedResult == TOTALPORTS) 35 { 36 assert_equals(sum, 4950); 37 t.done(); 38 } 39 }); 40 } 41 // Sending in two batches, to test the two postMessage variants. 42 var firstBatch = RemotePorts.slice(0, 50); 43 var secondBatch = RemotePorts.slice(50, 100); 44 TARGET.postMessage("ports", "*", firstBatch); 45 TARGET.postMessage("ports", {targetOrigin: '*', transfer: secondBatch}); 46 }); 47 var counter = 0; 48 window.onmessage = function(e) 49 { 50 if (e.data === "ports") 51 { 52 if (counter == 0) { 53 for (var i=0; i<51; i++) 54 { 55 LocalPorts[i].postMessage(LocalPorts[i].foo); 56 } 57 counter = 1; 58 } else { 59 for (var i=51; i<100; i++) 60 { 61 LocalPorts[i].postMessage(LocalPorts[i].foo); 62 } 63 } 64 } 65 } 66 }, "Test Description: postMessage to cross-site iframe with MessagePort array containing 100 ports.");