mirror of https://github.com/nodejs/node.git
28 lines
683 B
JavaScript
28 lines
683 B
JavaScript
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const {
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JSTransferable,
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} = require('internal/worker/js_transferable');
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const { E, F } = require('internal/test/transfer');
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// Tests that F is transferable even tho it does not directly,
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// observably extend the JSTransferable class.
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const mc = new MessageChannel();
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mc.port1.onmessageerror = common.mustNotCall();
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mc.port1.onmessage = common.mustCall(({ data }) => {
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assert(!(data instanceof JSTransferable));
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assert(data instanceof F);
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assert(data instanceof E);
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assert.strictEqual(data.b, 1);
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mc.port1.close();
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});
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mc.port2.postMessage(new F(1));
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