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/* eslint-env mozilla/frame-script */
function debug(msg) {
dump("[mmMessageChannelChild]" + msg + "\n");
}
/**
* Preparation Test
*/
let port;
let toString = Object.prototype.toString;
(function prepare() {
debug("Script loaded.");
addTestReceiver();
sendAsyncMessage("mmMessagePort:finishScriptLoad");
})();
function ok(condition, message) {
debug("condition: " + condition + ", " + message + "\n");
if (!condition) {
sendAsyncMessage("mmMessagePort:fail", { message });
throw new Error("failed check: " + message);
}
}
function is(a, b, message) {
ok(a === b, message);
}
/**
* Testing codes.
*/
function addTestReceiver() {
addMessageListener("BasicTest:PortCreated", basicTest);
addMessageListener("CloseTest:PortCreated", closeTest);
addMessageListener("EmptyTest:PortCreated", emptyTest);
addMessageListener("NotTransferableTest:PortCreated", notTransferableTest);
}
function basicTest(msg) {
port = msg.ports[0];
is(toString.call(port), "[object MessagePort]", "created MessagePort.");
port.onmessage = message => {
is(message.data, "BasicTest:StartTest", "Replied message is correct.");
port.postMessage("BasicTest:TestOK");
};
sendAsyncMessage("BasicTest:FinishPrepare", { message: "OK" });
}
function closeTest(msg) {
port = msg.ports[0];
is(toString.call(port), "[object MessagePort]", "created MessagePort.");
port.onmessage = message => {
ok(message.data, "CloseTest:StartTest", "Replied message is correct.");
port.postMessage("CloseTest:TestOK");
};
port.close();
sendAsyncMessage("CloseTest:FinishPrepare", { message: "OK" });
}
function emptyTest(msg) {
let portSize = msg.ports.length;
is(portSize, 0, "transfered port size is zero.");
sendAsyncMessage("EmptyTest:FinishPrepare", { message: "OK" });
}
function notTransferableTest() {
sendAsyncMessage("NotTransferableTest:FinishPrepare", { message: "OK" });
}