nodejs/test/parallel/test-stream-readable-next-n...

20 lines
429 B
JavaScript

'use strict';
const { mustNotCall, expectsError } = require('../common');
const { Readable } = require('stream');
async function* generate() {
yield null;
}
const stream = Readable.from(generate());
stream.on('error', expectsError({
code: 'ERR_STREAM_NULL_VALUES',
name: 'TypeError',
message: 'May not write null values to stream'
}));
stream.on('data', mustNotCall((chunk) => {}));
stream.on('end', mustNotCall());