6cc2ed56da
PR-URL: https://github.com/nodejs/node/pull/61372
Fixes: https://github.com/nodejs/node/issues/61362
Refs: c5ff7c4d6c
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: René <contact.9a5d6388@renegade334.me.uk>
29 lines
868 B
JavaScript
29 lines
868 B
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const { MessageChannel } = require('worker_threads');
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// Make sure that the pools used by the Buffer implementation are not
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// transferable.
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// Refs: https://github.com/nodejs/node/issues/32752
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const a = Buffer.from('hello world');
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const b = Buffer.from('hello world');
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assert.strictEqual(a.buffer, b.buffer);
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const length = a.length;
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const { port1 } = new MessageChannel();
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assert.throws(() => port1.postMessage(a, [ a.buffer ]), {
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code: 25,
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name: 'DataCloneError',
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});
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// Verify that the pool ArrayBuffer has not actually been transferred:
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assert.strictEqual(a.buffer, b.buffer);
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assert.strictEqual(a.length, length);
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// Verify that ArrayBuffer.prototype.transfer() also throws.
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assert.throws(() => a.buffer.transfer(), {
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name: 'TypeError',
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});
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assert.strictEqual(a.buffer, b.buffer);
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