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nodejs/test/parallel/test-async-hooks-worker-asyncfn-terminate-3.js
Anna Henningsen e65d189e50
test: regression tests for async_hooks + Promise + Worker interaction
Add regression tests for the case in which an async_hook is enabled
inside a Worker thread and `process.exit()` is called during the
async part of an async function.

This commit includes multiple tests that seem like they should all
crash in a similar way, but interestingly don’t. In particular, it’s
surprising that the presence of a statement after `process.exit()`
in a function has an effect on the kind of crash that’s being
exhibited (V8 DCHECK vs. assertion in our own code) and the
circumstances under which it crashes (e.g. the -1 and -2 tests
can be “fixed” by reverting 13c5a1629c, although they
should have the same behavior as the -3 and -4 tests).

PR-URL: https://github.com/nodejs/node/pull/33347
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
2020-05-15 19:38:26 +02:00

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'use strict';
const common = require('../common');
const { Worker } = require('worker_threads');
// Like test-async-hooks-worker-promise.js but with an additional statement
// after the `process.exit()` call, that shouldnt really make a difference
// but apparently does.
const w = new Worker(`
const { createHook } = require('async_hooks');
setImmediate(async () => {
createHook({ init() {} }).enable();
await 0;
process.exit();
process._rawDebug('THIS SHOULD NEVER BE REACHED');
});
`, { eval: true });
w.on('exit', common.mustCall());