onEnterFrame-async-resumption-02.js

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// A Debugger can {throw:} from onEnterFrame in an async function.

// The resulting promise (if any) is rejected with the thrown error value.

load(libdir + "asserts.js");

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

g.eval(`

    async function f() { await 1; }

    var err = new TypeError("object too hairy");

`);

let dbg = new Debugger;

let gw = dbg.addDebuggee(g);

let errw = gw.makeDebuggeeValue(g.err);

// Repeat the test for each onEnterFrame event.

// It fires up to two times:

// - when the async function g.f is called;

// - when we resume after the await to run to the end.

for (let when = 0; when < 2; when++) {

    let hits = 0;

    dbg.onEnterFrame = frame => {

        return hits++ < when ? undefined : {throw: errw};

};

    let result = undefined;

    g.f()

        .then(value => { result = {returned: value}; })

        .catch(err => { result = {threw: err}; });

    drainJobQueue();

    assertEq(hits, when + 1);

    assertDeepEq(result, {threw: g.err});