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test: exit sequence sanity tests [2] #25085

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Feb 8, 2019
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21 changes: 21 additions & 0 deletions test/parallel/test-worker-cleanexit-with-js.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
'use strict';
const common = require('../common');

// Harden the thread interactions on the exit path.
// Ensure workers are able to bail out safe at
// arbitrary execution points. By running a lot of
// JS code in a tight loop, the expectation
// is that those will be at various control flow points
// preferrably in the JS land.

const { Worker } = require('worker_threads');
const code = 'setInterval(() => {' +
"require('v8').deserialize(require('v8').serialize({ foo: 'bar' }));" +
"require('vm').runInThisContext('x = \"foo\";');" +
"eval('const y = \"vm\";');}, 10);";
for (let i = 0; i < 9; i++) {
new Worker(code, { eval: true });
}
new Worker(code, { eval: true }).on('online', common.mustCall((msg) => {
process.exit(0);
}));