node/test/parallel/test-stream-readable-invalid-chunk.js

'use strict';
require('../common');
const stream = require('stream');
const assert = require('assert');

const readable = new stream.Readable({
  read: () => {}
});

assert.throws(() => readable.push([]), /Invalid non-string\/buffer chunk/);
assert.throws(() => readable.push({}), /Invalid non-string\/buffer chunk/);
assert.throws(() => readable.push(0), /Invalid non-string\/buffer chunk/);