test,benchmark: use new Buffer API where appropriate

For tests / benchmarks that are creating Buffer instances for
any reason other than to test Buffer constructor, use the new
Buffer.alloc/Buffer.from API instead of the deprecated API.

PR-URL: https://github.com/nodejs/node/pull/18980
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

5 files changed, 5 insertions, 5 deletions

diff --git a/benchmark/streams/pipe.js b/benchmark/streams/pipe.js
index a7d67b7d69..4baeeb2d2e 100644
--- a/benchmark/streams/pipe.js
+++ b/benchmark/streams/pipe.js
@@ -8,7 +8,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n }) {
-  const b = new Buffer(1024);
+  const b = Buffer.alloc(1024);
   const r = new Readable();
   const w = new Writable();
 
diff --git a/benchmark/streams/readable-bigread.js b/benchmark/streams/readable-bigread.js
index 99213afaeb..62d1af874f 100644
--- a/benchmark/streams/readable-bigread.js
+++ b/benchmark/streams/readable-bigread.js
@@ -8,7 +8,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n }) {
-  const b = new Buffer(32);
+  const b = Buffer.alloc(32);
   const s = new Readable();
   function noop() {}
   s._read = noop;
diff --git a/benchmark/streams/readable-bigunevenread.js b/benchmark/streams/readable-bigunevenread.js
index e2f2c1406a..e13769189a 100644
--- a/benchmark/streams/readable-bigunevenread.js
+++ b/benchmark/streams/readable-bigunevenread.js
@@ -8,7 +8,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n }) {
-  const b = new Buffer(32);
+  const b = Buffer.alloc(32);
   const s = new Readable();
   function noop() {}
   s._read = noop;
diff --git a/benchmark/streams/readable-readall.js b/benchmark/streams/readable-readall.js
index 5715e42017..3c177ec4c3 100644
--- a/benchmark/streams/readable-readall.js
+++ b/benchmark/streams/readable-readall.js
@@ -8,7 +8,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n }) {
-  const b = new Buffer(32);
+  const b = Buffer.alloc(32);
   const s = new Readable();
   function noop() {}
   s._read = noop;
diff --git a/benchmark/streams/readable-unevenread.js b/benchmark/streams/readable-unevenread.js
index d7a408b1c5..f8b501ab47 100644
--- a/benchmark/streams/readable-unevenread.js
+++ b/benchmark/streams/readable-unevenread.js
@@ -8,7 +8,7 @@ const bench = common.createBenchmark(main, {
 });
 
 function main({ n }) {
-  const b = new Buffer(32);
+  const b = Buffer.alloc(32);
   const s = new Readable();
   function noop() {}
   s._read = noop;