test/parallel/test-stream-writable-invalid-chunk.js

'use strict';

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

function testWriteType(val, objectMode, code) {
  const writable = new stream.Writable({
    objectMode,
    write: () => {}
  });
  writable.on('error', common.mustNotCall());
  if (code) {
    assert.throws(() => {
      writable.write(val);
    }, { code });
  } else {
    writable.write(val);
  }
}

testWriteType([], false, 'ERR_INVALID_ARG_TYPE');
testWriteType({}, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(0, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(true, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(0.0, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(undefined, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(null, false, 'ERR_STREAM_NULL_VALUES');

testWriteType([], true);
testWriteType({}, true);
testWriteType(0, true);
testWriteType(true, true);
testWriteType(0.0, true);
testWriteType(undefined, true);
testWriteType(null, true, 'ERR_STREAM_NULL_VALUES');