onEnterFrame-async-resumption-06.js

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// A Debugger can {return:} from the first onEnterFrame for an async function.

// (The exact behavior is undocumented; we're testing that it doesn't crash.)

ignoreUnhandledRejections();

let g = newGlobal({newCompartment: true});

g.eval(`async function f(x) { await x; return "ponies"; }`);

g.eval(`async function f2(x) { await x; return "moar ponies"; }`);

let dbg = new Debugger;

let gw = dbg.addDebuggee(g);

let hits = 0;

let resumption = undefined;

let savedAsyncGen = undefined;

dbg.onEnterFrame = frame => {

    if (frame.type == "call" && frame.callee.name === "f2") {

        frame.onPop = completion => {

            if (savedAsyncGen === undefined) {

                savedAsyncGen = completion.return;

};

    if (frame.type == "call" && frame.callee.name === "f") {

        frame.onPop = completion => {

            hits++;

};

        return {return: savedAsyncGen};

};

let p2 = g.f2(0);

let p = g.f(0);

assertEq(hits, 1);

drainJobQueue();

assertEq(hits, 1);

let pw2 = gw.makeDebuggeeValue(p2);

assertEq(pw2.isPromise, true);

assertEq(pw2.promiseState, "fulfilled");

assertEq(pw2.promiseValue, "moar ponies");

let pw = gw.makeDebuggeeValue(p);

assertEq(pw.isPromise, true);

assertEq(pw.promiseState, "fulfilled");

assertEq(pw.promiseValue, "moar ponies");