benchmark: use strict mode

Apply strict mode to benchmark code.
nodejs · Trott · Mar 2, 2016 · Feb 25, 2016 · Feb 28, 2016 · Feb 20, 2016
commit 44c04604c3c962efac251a8079557e5701820a80
diff --git a/benchmark/arrays/var-int.js b/benchmark/arrays/var-int.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   type: ['Array', 'Buffer', 'Int8Array', 'Uint8Array', 'Int16Array',

diff --git a/benchmark/arrays/zero-float.js b/benchmark/arrays/zero-float.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   type: ['Array', 'Buffer', 'Int8Array', 'Uint8Array', 'Int16Array',

diff --git a/benchmark/arrays/zero-int.js b/benchmark/arrays/zero-int.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   type: ['Array', 'Buffer', 'Int8Array', 'Uint8Array', 'Int16Array',

diff --git a/benchmark/buffers/buffer-base64-decode.js b/benchmark/buffers/buffer-base64-decode.js
@@ -1,3 +1,4 @@
+'use strict';
 const assert = require('assert');
 const common = require('../common.js');
 

diff --git a/benchmark/buffers/buffer-base64-encode.js b/benchmark/buffers/buffer-base64-encode.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 
 var bench = common.createBenchmark(main, {});

diff --git a/benchmark/buffers/buffer-bytelength.js b/benchmark/buffers/buffer-bytelength.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common');
 
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/buffers/buffer-compare.js b/benchmark/buffers/buffer-compare.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/buffers/buffer-creation.js b/benchmark/buffers/buffer-creation.js
@@ -1,4 +1,5 @@
-SlowBuffer = require('buffer').SlowBuffer;
+'use strict';
+const SlowBuffer = require('buffer').SlowBuffer;
 
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/buffers/buffer-indexof.js b/benchmark/buffers/buffer-indexof.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var fs = require('fs');
 const path = require('path');

diff --git a/benchmark/buffers/buffer-iterate.js b/benchmark/buffers/buffer-iterate.js
@@ -1,3 +1,4 @@
+'use strict';
 var SlowBuffer = require('buffer').SlowBuffer;
 var common = require('../common.js');
 var assert = require('assert');

diff --git a/benchmark/buffers/buffer-read.js b/benchmark/buffers/buffer-read.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/buffers/buffer-slice.js b/benchmark/buffers/buffer-slice.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var SlowBuffer = require('buffer').SlowBuffer;
 

diff --git a/benchmark/buffers/buffer-write.js b/benchmark/buffers/buffer-write.js
@@ -1,4 +1,4 @@
-
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   noAssert: [false, true],

diff --git a/benchmark/buffers/dataview-set.js b/benchmark/buffers/dataview-set.js
@@ -1,4 +1,4 @@
-
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   type: ['Uint8', 'Uint16LE', 'Uint16BE',

diff --git a/benchmark/common.js b/benchmark/common.js
@@ -1,3 +1,4 @@
+'use strict';
 var assert = require('assert');
 var fs = require('fs');
 var path = require('path');

diff --git a/benchmark/compare.js b/benchmark/compare.js
@@ -1,3 +1,4 @@
+'use strict';
 var usage = 'node benchmark/compare.js ' +
             '<node-binary1> <node-binary2> ' +
             '[--html] [--red|-r] [--green|-g] ' +

diff --git a/benchmark/crypto/aes-gcm-throughput.js b/benchmark/crypto/aes-gcm-throughput.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var crypto = require('crypto');
 var keylen = {'aes-128-gcm': 16, 'aes-192-gcm': 24, 'aes-256-gcm': 32};

diff --git a/benchmark/crypto/cipher-stream.js b/benchmark/crypto/cipher-stream.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/crypto/hash-stream-creation.js b/benchmark/crypto/hash-stream-creation.js
@@ -1,5 +1,6 @@
 // throughput benchmark
 // creates a single hasher, then pushes a bunch of data through it
+'use strict';
 var common = require('../common.js');
 var crypto = require('crypto');
 

diff --git a/benchmark/crypto/hash-stream-throughput.js b/benchmark/crypto/hash-stream-throughput.js
@@ -1,5 +1,6 @@
 // throughput benchmark
 // creates a single hasher, then pushes a bunch of data through it
+'use strict';
 var common = require('../common.js');
 var crypto = require('crypto');
 

diff --git a/benchmark/crypto/rsa-encrypt-decrypt-throughput.js b/benchmark/crypto/rsa-encrypt-decrypt-throughput.js
@@ -1,3 +1,4 @@
+'use strict';
 // throughput benchmark in signing and verifying
 var common = require('../common.js');
 var crypto = require('crypto');

diff --git a/benchmark/crypto/rsa-sign-verify-throughput.js b/benchmark/crypto/rsa-sign-verify-throughput.js
@@ -1,3 +1,4 @@
+'use strict';
 // throughput benchmark in signing and verifying
 var common = require('../common.js');
 var crypto = require('crypto');

diff --git a/benchmark/events/ee-add-remove.js b/benchmark/events/ee-add-remove.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var events = require('events');
 

diff --git a/benchmark/events/ee-emit-multi-args.js b/benchmark/events/ee-emit-multi-args.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var EventEmitter = require('events').EventEmitter;
 

diff --git a/benchmark/events/ee-emit.js b/benchmark/events/ee-emit.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var EventEmitter = require('events').EventEmitter;
 

diff --git a/benchmark/events/ee-listener-count-on-prototype.js b/benchmark/events/ee-listener-count-on-prototype.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var EventEmitter = require('events').EventEmitter;
 

diff --git a/benchmark/events/ee-listeners-many.js b/benchmark/events/ee-listeners-many.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var EventEmitter = require('events').EventEmitter;
 

diff --git a/benchmark/events/ee-listeners.js b/benchmark/events/ee-listeners.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var EventEmitter = require('events').EventEmitter;
 

diff --git a/benchmark/fs-write-stream-throughput.js b/benchmark/fs-write-stream-throughput.js
@@ -1,5 +1,5 @@
-
 // If there are no args, then this is the root.  Run all the benchmarks!
+'use strict';
 if (!process.argv[2])
   parent();
 else

diff --git a/benchmark/fs/read-stream-throughput.js b/benchmark/fs/read-stream-throughput.js
@@ -1,4 +1,5 @@
 // test the throughput of the fs.WriteStream class.
+'use strict';
 
 var path = require('path');
 var common = require('../common.js');

diff --git a/benchmark/fs/readfile.js b/benchmark/fs/readfile.js
@@ -1,6 +1,7 @@
 // Call fs.readFile over and over again really fast.
 // Then see how many times it got called.
 // Yes, this is a silly benchmark.  Most benchmarks are silly.
+'use strict';
 
 var path = require('path');
 var common = require('../common.js');

diff --git a/benchmark/fs/write-stream-throughput.js b/benchmark/fs/write-stream-throughput.js
@@ -1,4 +1,5 @@
 // test the throughput of the fs.WriteStream class.
+'use strict';
 
 var path = require('path');
 var common = require('../common.js');

diff --git a/benchmark/http/chunked.js b/benchmark/http/chunked.js
@@ -6,6 +6,7 @@
 // always as hot as it could be.
 //
 // Verify that our assumptions are valid.
+'use strict';
 
 var common = require('../common.js');
 
@@ -16,7 +17,7 @@ var bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  http = require('http');
+  const http = require('http');
   var chunk = new Buffer(conf.size);
   chunk.fill('8');
 

diff --git a/benchmark/http/client-request-body.js b/benchmark/http/client-request-body.js
@@ -1,4 +1,5 @@
 // Measure the time it takes for the HTTP client to send a request body.
+'use strict';
 
 var common = require('../common.js');
 var http = require('http');

diff --git a/benchmark/http/cluster.js b/benchmark/http/cluster.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var PORT = common.PORT;
 

diff --git a/benchmark/http/end-vs-write-end.js b/benchmark/http/end-vs-write-end.js
@@ -6,6 +6,7 @@
 // always as hot as it could be.
 //
 // Verify that our assumptions are valid.
+'use strict';
 
 var common = require('../common.js');
 
@@ -17,7 +18,7 @@ var bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  http = require('http');
+  const http = require('http');
   var chunk;
   var len = conf.kb * 1024;
   switch (conf.type) {
@@ -26,7 +27,6 @@ function main(conf) {
       chunk.fill('x');
       break;
     case 'utf':
-      encoding = 'utf8';
       chunk = new Array(len / 2 + 1).join('ü');
       break;
     case 'asc':

diff --git a/benchmark/http/simple.js b/benchmark/http/simple.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var PORT = common.PORT;
 

diff --git a/benchmark/http_bench.js b/benchmark/http_bench.js
@@ -1,3 +1,4 @@
+'use strict';
 var spawn = require('child_process').spawn;
 var cluster = require('cluster');
 var http = require('http');

diff --git a/benchmark/http_server_lag.js b/benchmark/http_server_lag.js
@@ -1,3 +1,5 @@
+'use strict';
+
 var http = require('http');
 var port = parseInt(process.env.PORT, 10) || 8000;
 var defaultLag = parseInt(process.argv[2], 10) || 100;

diff --git a/benchmark/http_simple_auto.js b/benchmark/http_simple_auto.js
@@ -6,6 +6,7 @@
 //   <args>   Arguments to pass to `ab`.
 //   <target> Target to benchmark, e.g. `bytes/1024` or `buffer/8192`.
 //
+'use strict';
 
 var http = require('http');
 var spawn = require('child_process').spawn;

diff --git a/benchmark/idle_clients.js b/benchmark/idle_clients.js
@@ -1,4 +1,5 @@
-net = require('net');
+'use strict';
+const net = require('net');
 
 var errors = 0, connections = 0;
 

diff --git a/benchmark/misc/child-process-read.js b/benchmark/misc/child-process-read.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   len: [64, 256, 1024, 4096, 32768],

diff --git a/benchmark/misc/domain-fn-args.js b/benchmark/misc/domain-fn-args.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var domain = require('domain');
 
@@ -12,14 +13,13 @@ var gargs = [1, 2, 3];
 function main(conf) {
 
   var args, ret, n = +conf.n;
-  var arguments = gargs.slice(0, conf.arguments);
-
+  var myArguments = gargs.slice(0, conf.arguments);
   bench.start();
 
   bdomain.enter();
   for (var i = 0; i < n; i++) {
-    if (arguments.length >= 2) {
-      args = Array.prototype.slice.call(arguments, 1);
+    if (myArguments.length >= 2) {
+      args = Array.prototype.slice.call(myArguments, 1);
       ret = fn.apply(this, args);
     } else {
       fn.call(this);

diff --git a/benchmark/misc/function_call/index.js b/benchmark/misc/function_call/index.js
@@ -2,6 +2,7 @@
 // relative to a comparable C++ function.
 // Reports millions of calls per second.
 // Note that JS speed goes up, while cxx speed stays about the same.
+'use strict';
 
 var assert = require('assert');
 var common = require('../../common.js');

diff --git a/benchmark/misc/module-loader.js b/benchmark/misc/module-loader.js
@@ -1,3 +1,4 @@
+'use strict';
 var fs = require('fs');
 var path = require('path');
 var common = require('../common.js');

diff --git a/benchmark/misc/next-tick-breadth.js b/benchmark/misc/next-tick-breadth.js
@@ -1,3 +1,4 @@
+'use strict';
 
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/misc/next-tick-depth.js b/benchmark/misc/next-tick-depth.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   millions: [2]

diff --git a/benchmark/misc/spawn-echo.js b/benchmark/misc/spawn-echo.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   thousands: [1]

diff --git a/benchmark/misc/startup.js b/benchmark/misc/startup.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var spawn = require('child_process').spawn;
 var path = require('path');

diff --git a/benchmark/misc/string-creation.js b/benchmark/misc/string-creation.js
@@ -1,3 +1,4 @@
+'use strict';
 
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/misc/string-decoder.js b/benchmark/misc/string-decoder.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var StringDecoder = require('string_decoder').StringDecoder;
 

diff --git a/benchmark/misc/timers.js b/benchmark/misc/timers.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 
 var bench = common.createBenchmark(main, {

diff --git a/benchmark/misc/url.js b/benchmark/misc/url.js
@@ -1,3 +1,4 @@
+'use strict';
 var url = require('url')
 var n = 25 * 100;
 

diff --git a/benchmark/misc/v8-bench.js b/benchmark/misc/v8-bench.js
@@ -1,4 +1,5 @@
 // compare with "google-chrome deps/v8/benchmarks/run.html"
+'use strict';
 var fs = require('fs');
 var path = require('path');
 var vm = require('vm');

diff --git a/benchmark/net/net-c2s-cork.js b/benchmark/net/net-c2s-cork.js
@@ -1,4 +1,5 @@
 // test the speed of .pipe() with sockets
+'use strict';
 
 var common = require('../common.js');
 var PORT = common.PORT;

diff --git a/benchmark/net/net-c2s.js b/benchmark/net/net-c2s.js
@@ -1,4 +1,5 @@
 // test the speed of .pipe() with sockets
+'use strict';
 
 var common = require('../common.js');
 var PORT = common.PORT;

diff --git a/benchmark/net/net-pipe.js b/benchmark/net/net-pipe.js
@@ -1,4 +1,5 @@
 // test the speed of .pipe() with sockets
+'use strict';
 
 var common = require('../common.js');
 var PORT = common.PORT;

diff --git a/benchmark/net/net-s2c.js b/benchmark/net/net-s2c.js
@@ -1,4 +1,5 @@
 // test the speed of .pipe() with sockets
+'use strict';
 
 var common = require('../common.js');
 var PORT = common.PORT;

diff --git a/benchmark/net/tcp-raw-c2s.js b/benchmark/net/tcp-raw-c2s.js
@@ -1,5 +1,6 @@
 // In this benchmark, we connect a client to the server, and write
 // as many bytes as we can in the specified time (default = 10s)
+'use strict';
 
 var common = require('../common.js');
 var util = require('util');

diff --git a/benchmark/net/tcp-raw-pipe.js b/benchmark/net/tcp-raw-pipe.js
@@ -1,5 +1,6 @@
 // In this benchmark, we connect a client to the server, and write
 // as many bytes as we can in the specified time (default = 10s)
+'use strict';
 
 var common = require('../common.js');
 var util = require('util');

diff --git a/benchmark/net/tcp-raw-s2c.js b/benchmark/net/tcp-raw-s2c.js
@@ -1,5 +1,6 @@
 // In this benchmark, we connect a client to the server, and write
 // as many bytes as we can in the specified time (default = 10s)
+'use strict';
 
 var common = require('../common.js');
 var util = require('util');

diff --git a/benchmark/path/basename.js b/benchmark/path/basename.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');