onEnterFrame-async-resumption-03.js

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// A Debugger can {return:} from onEnterFrame at any resume point in an async function.

// The async function's promise is resolved with the returned value.

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

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

let dbg = new Debugger(g);

function test(when) {

    let hits = 0;

    dbg.onEnterFrame = frame => {

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

            if (hits++ == when) {

                return {return: "exit"};

};

    let result = undefined;

    let finished = false;

    g.f("hello").then(value => { result = value; finished = true; });

    drainJobQueue();

    assertEq(finished, true);

    assertEq(hits, when + 1);

    assertEq(result, "exit");

// onEnterFrame with hits==0 is not a resume point; {return:} behaves differently there

// (see onEnterFrame-async-resumption-02.js).

test(1);  // force return from first resume point, immediately after the await instruction