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'use strict';
const common = require('../common');
const fs = require('fs');
const assert = require('assert');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const file = path.join(tmpdir.path, 'read_stream_filehandle_worker.txt');
const input = 'hello world';
const { Worker, isMainThread, workerData } = require('worker_threads');
if (isMainThread || !workerData) {
tmpdir.refresh();
fs.writeFileSync(file, input);
fs.promises.open(file, 'r').then((handle) => {
handle.on('close', common.mustNotCall());
new Worker(__filename, {
workerData: { handle },
transferList: [handle]
});
});
fs.promises.open(file, 'r').then(async (handle) => {
try {
fs.createReadStream(null, { fd: handle });
assert.throws(() => {
new Worker(__filename, {
workerData: { handle },
transferList: [handle]
});
}, {
code: 25,
});
} finally {
await handle.close();
}
});
} else {
let output = '';
const handle = workerData.handle;
handle.on('close', common.mustCall());
const stream = fs.createReadStream(null, { fd: handle });
stream.on('data', common.mustCallAtLeast((data) => {
output += data;
}));
stream.on('end', common.mustCall(() => {
handle.close();
assert.strictEqual(output, input);
}));
stream.on('close', common.mustCall());
}
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