blob: 04eb16b3868fba453352f135c575790529d3bdef (
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// Debugger.Frames for async functions are not GC'd while they're suspended.
// The awaited promise keeps the generator alive, via its reaction lists.
var g = newGlobal({newCompartment: true});
g.eval(`
// Create a few promises.
var promises = [], resolvers = [];
for (let i = 0; i < 3; i++)
promises.push(new Promise(r => { resolvers.push(r); }));
async function f() {
debugger;
for (let p of promises) {
await p;
debugger;
}
}
`);
var dbg = new Debugger(g);
var hits = 0;
dbg.onDebuggerStatement = function (frame) {
if (hits === 0)
frame.seen = true;
else
assertEq(frame.seen, true);
hits++;
};
let done = false;
g.f().then(_ => { done = true; });
gc();
drainJobQueue();
gc();
// Resolve the promises one by one.
for (let [i, resolve] of g.resolvers.entries()) {
assertEq(hits, 1 + i);
assertEq(done, false);
resolve("x");
gc();
drainJobQueue();
gc();
}
assertEq(hits, 1 + g.resolvers.length);
assertEq(done, true);
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