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test: cover worker throwing primitive values #64365

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test: cover worker throwing primitive values #64365

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24 changes: 24 additions & 0 deletions test/parallel/test-worker-error-primitive.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const { Worker } = require('worker_threads');

const cases = [
{ code: 'throw "boom";', value: 'boom' },
{ code: 'throw 42;', value: 42 },
{ code: 'throw 7n;', value: 7n },
{ code: 'throw true;', value: true },
{ code: 'throw null;', value: null },
{ code: 'throw undefined;', value: undefined },

@aduh95 aduh95 Jul 8, 2026

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Let's add a symbol for completeness sake

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{ code: 'throw undefined;', value: undefined },
{ code: 'throw undefined;', value: undefined },
{ code: 'throw Symbol.for("a");', value: Symbol.for('a') },

];

for (const { code, value } of cases) {
const worker = new Worker(code, { eval: true });
worker.on('message', common.mustNotCall());
worker.on('error', common.mustCall((err) => {
assert.strictEqual(err, value);
}));
worker.on('exit', common.mustCall((exitCode) => {
assert.strictEqual(exitCode, 1);
}));
}
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