nodejs/test/parallel/test-zlib-write-after-close.js

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'use strict';

require('../common');

const zlib = require('node:zlib');
const assert = require('node:assert');
const { test } = require('node:test');

test('zlib should not allow writing after close', async (t) => {
  const { promise, resolve } = Promise.withResolvers();
  const closeCallback = t.mock.fn();
  zlib.gzip('hello', function() {
    const unzip = zlib.createGunzip();
    unzip.close(closeCallback);
    unzip.write('asd', function(err) {
      assert.strictEqual(err.code, 'ERR_STREAM_DESTROYED');
      assert.strictEqual(err.name, 'Error');
      assert.strictEqual(err.message, 'Cannot call write after a stream was destroyed');
      resolve();
    });
  });
  await promise;
  assert.strictEqual(closeCallback.mock.callCount(), 1);
});