11   const writable = new stream.Writable();  constant
13   writable._write = (chunks, encoding, cb) => {
17   writable.on('finish', common.mustNotCall());
18   writable.on('prefinish', common.mustNotCall());
19   writable.on('error', common.mustCall((er) => {
23   writable.end('test');
27   const writable = new stream.Writable();  constant
29   writable._write = (chunks, encoding, cb) => {
33   writable.on('finish', common.mustNotCall());
34   writable.on('prefinish', common.mustNotCall());
35   writable.on('error', common.mustCall((er) => {
39   writable.end('test');
43   const writable = new stream.Writable();  constant
45   writable._write = (chunks, encoding, cb) => {
49   writable._writev = (chunks, cb) => {
53   writable.on('finish', common.mustNotCall());
54   writable.on('prefinish', common.mustNotCall());
55   writable.on('error', common.mustCall((er) => {
59   writable.cork();
60   writable.write('test');
63     writable.end('test');
68   const writable = new stream.Writable();  constant
70   writable._write = (chunks, encoding, cb) => {
74   writable._writev = (chunks, cb) => {
78   writable.on('finish', common.mustNotCall());
79   writable.on('prefinish', common.mustNotCall());
80   writable.on('error', common.mustCall((er) => {
84   writable.cork();
85   writable.write('test');
88     writable.end('test');