test: refactor fs.write() test

PR-URL: #16827
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

Author: Patrick Heneise

test/parallel/test-fs-write.js

@@ -33,40 +33,43 @@ common.refreshTmpDir();
 
 fs.open(fn,'w',0o644,common.mustCall(function(err,fd){
 assert.ifError(err);
-console.log('open done');
-fs.write(fd,'',0,'utf8',function(err,written){
-assert.strictEqual(0,written);
-});
-fs.write(fd,expected,0,'utf8',common.mustCall(function(err,written){
-console.log('write done');
+
+constdone=common.mustCall(function(err,written){
 assert.ifError(err);
 assert.strictEqual(Buffer.byteLength(expected),written);
 fs.closeSync(fd);
 constfound=fs.readFileSync(fn,'utf8');
-console.log('expected: "%s"',expected);
-console.log('found: "%s"',found);
 fs.unlinkSync(fn);
 assert.strictEqual(expected,found);
-}));
+});
+
+constwritten=common.mustCall(function(err,written){
+assert.ifError(err);
+assert.strictEqual(0,written);
+});
+
+fs.write(fd,'',0,'utf8',written);
+fs.write(fd,expected,0,'utf8',done);
 }));
 
+constargs=constants.O_CREAT|constants.O_WRONLY|constants.O_TRUNC;
+fs.open(fn2,args,0o644,common.mustCall((err,fd)=>{
+assert.ifError(err);
 
-fs.open(fn2,constants.O_CREAT|constants.O_WRONLY|constants.O_TRUNC,0o644,
-common.mustCall((err,fd)=>{
-assert.ifError(err);
-console.log('open done');
-fs.write(fd,'',0,'utf8',(err,written)=>{
-assert.strictEqual(0,written);
-});
-fs.write(fd,expected,0,'utf8',common.mustCall((err,written)=>{
-console.log('write done');
-assert.ifError(err);
-assert.strictEqual(Buffer.byteLength(expected),written);
-fs.closeSync(fd);
-constfound=fs.readFileSync(fn2,'utf8');
-console.log('expected: "%s"',expected);
-console.log('found: "%s"',found);
-fs.unlinkSync(fn2);
-assert.strictEqual(expected,found);
-}));
-}));
+constdone=common.mustCall((err,written)=>{
+assert.ifError(err);
+assert.strictEqual(Buffer.byteLength(expected),written);
+fs.closeSync(fd);
+constfound=fs.readFileSync(fn2,'utf8');
+fs.unlinkSync(fn2);
+assert.strictEqual(expected,found);
+});
+
+constwritten=common.mustCall(function(err,written){
+assert.ifError(err);
+assert.strictEqual(0,written);
+});
+
+fs.write(fd,'',0,'utf8',written);
+fs.write(fd,expected,0,'utf8',done);
+}));