Source code

Revision control

Copy as Markdown

Other Tools

// Debugger.Frame.prototype.constructing on an async function.
load(libdir + "asserts.js");
const g = newGlobal({ newCompartment: true });
const dbg = Debugger(g);
g.eval(`
async function f() {
await Promise.resolve();
}
`);
let frame;
dbg.onEnterFrame = function(f) {
frame = f;
assertEq(frame.constructing, false);
};
(async () => {
const promise = g.f();
assertEq(frame.constructing, false);
frame = null;
await promise;
assertEq(!!frame, true);
// Throws because the frame has terminated.
assertThrowsInstanceOf(() => frame.constructing, Error);
})();