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// A Debugger can {return:} from onEnterFrame at any resume point in a generator.
// Force-returning closes the generator.
load(libdir + "asserts.js");
let g = newGlobal({newCompartment: true});
g.values = [1, 2, 3];
g.eval(`function* f() { yield* values; }`);
let dbg = Debugger(g);
// onEnterFrame will fire up to 5 times.
// - once for the initial call to g.f();
// - four times at resume points:
// - initial resume at the top of the generator body
// - resume after yielding 1
// - resume after yielding 2
// - resume after yielding 3 (this resumption will run to the end).
// This test ignores the initial call and focuses on resume points.
for (let i = 1; i < 5; i++) {
let hits = 0;
dbg.onEnterFrame = frame => {
return hits++ < i ? undefined : {return: "we're done here"};
};
let genObj = g.f();
let actual = [];
while (true) {
let r = genObj.next();
if (r.done) {
assertDeepEq(r, {value: "we're done here", done: true});
break;
}
actual.push(r.value);
}
assertEq(hits, i + 1);
assertDeepEq(actual, g.values.slice(0, i - 1));
assertDeepEq(genObj.next(), {value: undefined, done: true});
}
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