Object-getPromiseReactions-06.js

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// Debugger.Object.prototype.getPromiseReactions should handle reaction records

// that are cross-compartment with their promises.

var dbg = new Debugger;

var g1 = newGlobal({ newCompartment: true });

var DOg1 = dbg.addDebuggee(g1);

var g2 = newGlobal({ newCompartment: true });

var DOg2 = dbg.addDebuggee(g2);

g1.eval(`

    var pResolve, pReject;

    var p = new Promise((resolve, reject) => { pResolve = resolve; pReject = reject });

`);

g2.p = g1.p;

g2.eval(`

    var p2 = new Promise((resolve, reject) => { resolve(p); });

`);

const DOp = DOg1.makeDebuggeeValue(g1.p);

const DOp2 = DOg2.makeDebuggeeValue(g2.p2);

// Since the standard resolving functions enqueue a job to do the `then` call,

// we need to drain the queue before p2 will appear on p1's reaction list.

drainJobQueue();

const reactions = DOp.getPromiseReactions();

assertEq(true, Array.isArray(reactions));

assertEq(reactions.length, 1);

assertEq(typeof reactions[0], "object");

assertEq(true, reactions[0].resolve instanceof Debugger.Object);

assertEq(true, reactions[0].resolve.callable);

assertEq(true, reactions[0].reject instanceof Debugger.Object);

assertEq(true, reactions[0].reject.callable);

// Unfortunately, this is not p2; it's the promise returned by the internal call

// to `then` that attached the reaction record to p. See bug 1603575 for ideas

// about how to actually retrieve p2.

assertEq(true, reactions[0].result instanceof Debugger.Object);

assertEq(reactions[0].result.class, "Promise");

assertEq(true, reactions[0].result !== DOp2);