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Test Info:
- Manifest: dom/ipc/tests/JSWindowActor/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
declTest("asyncMessage testing", {
async test(browser) {
let parent = browser.browsingContext.currentWindowGlobal;
let actorParent = parent.getActor("TestWindow");
ok(actorParent, "JSWindowActorParent should have value.");
await ContentTask.spawn(browser, {}, async function () {
let child = content.windowGlobalChild;
let actorChild = child.getActor("TestWindow");
ok(actorChild, "JSWindowActorChild should have value.");
let promise = new Promise(resolve => {
actorChild.sendAsyncMessage("init", {});
actorChild.done = data => resolve(data);
}).then(data => {
ok(data.initial, "Initial should be true.");
ok(data.toParent, "ToParent should be true.");
ok(data.toChild, "ToChild should be true.");
});
await promise;
});
},
});
declTest("asyncMessage without both sides", {
async test(browser) {
// If we don't create a parent actor, make sure the parent actor
// gets created by having sent the message.
await ContentTask.spawn(browser, {}, async function () {
let child = content.windowGlobalChild;
let actorChild = child.getActor("TestWindow");
ok(actorChild, "JSWindowActorChild should have value.");
let promise = new Promise(resolve => {
actorChild.sendAsyncMessage("init", {});
actorChild.done = data => resolve(data);
}).then(data => {
ok(data.initial, "Initial should be true.");
ok(data.toParent, "ToParent should be true.");
ok(data.toChild, "ToChild should be true.");
});
await promise;
});
},
});
declTest("asyncMessage can transfer MessagePorts", {
async test(browser) {
await ContentTask.spawn(browser, {}, async function () {
let child = content.windowGlobalChild;
let actorChild = child.getActor("TestWindow");
let { port1, port2 } = new MessageChannel();
actorChild.sendAsyncMessage("messagePort", { port: port2 }, [port2]);
let reply = await new Promise(resolve => {
port1.onmessage = message => {
resolve(message.data);
port1.close();
};
});
is(reply, "Message sent from parent over a MessagePort.");
});
},
});