From c901741c6042ed1f41cc7f05535f38e9a0c1be28 Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Fri, 19 Feb 2016 17:03:16 -0800
Subject: [PATCH] benchmark: use strict mode

Apply strict mode to benchmark code.

PR-URL: https://github.com/nodejs/node/pull/5773
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
---
 benchmark/arrays/var-int.js                        | 1 +
 benchmark/arrays/zero-float.js                     | 1 +
 benchmark/arrays/zero-int.js                       | 1 +
 benchmark/buffers/buffer-base64-decode.js          | 1 +
 benchmark/buffers/buffer-base64-encode.js          | 1 +
 benchmark/buffers/buffer-bytelength.js             | 1 +
 benchmark/buffers/buffer-compare.js                | 1 +
 benchmark/buffers/buffer-creation.js               | 3 ++-
 benchmark/buffers/buffer-indexof.js                | 1 +
 benchmark/buffers/buffer-iterate.js                | 1 +
 benchmark/buffers/buffer-read.js                   | 1 +
 benchmark/buffers/buffer-slice.js                  | 1 +
 benchmark/buffers/buffer-write.js                  | 2 +-
 benchmark/buffers/dataview-set.js                  | 2 +-
 benchmark/common.js                                | 1 +
 benchmark/compare.js                               | 1 +
 benchmark/crypto/aes-gcm-throughput.js             | 1 +
 benchmark/crypto/cipher-stream.js                  | 1 +
 benchmark/crypto/hash-stream-creation.js           | 1 +
 benchmark/crypto/hash-stream-throughput.js         | 1 +
 benchmark/crypto/rsa-encrypt-decrypt-throughput.js | 1 +
 benchmark/crypto/rsa-sign-verify-throughput.js     | 1 +
 benchmark/events/ee-add-remove.js                  | 1 +
 benchmark/events/ee-emit-multi-args.js             | 1 +
 benchmark/events/ee-emit.js                        | 1 +
 benchmark/events/ee-listener-count-on-prototype.js | 1 +
 benchmark/events/ee-listeners-many.js              | 1 +
 benchmark/events/ee-listeners.js                   | 1 +
 benchmark/fs-write-stream-throughput.js            | 2 +-
 benchmark/fs/read-stream-throughput.js             | 1 +
 benchmark/fs/readfile.js                           | 1 +
 benchmark/fs/write-stream-throughput.js            | 1 +
 benchmark/http/chunked.js                          | 3 ++-
 benchmark/http/client-request-body.js              | 1 +
 benchmark/http/cluster.js                          | 1 +
 benchmark/http/end-vs-write-end.js                 | 4 ++--
 benchmark/http/simple.js                           | 1 +
 benchmark/http_bench.js                            | 1 +
 benchmark/http_server_lag.js                       | 2 ++
 benchmark/http_simple_auto.js                      | 1 +
 benchmark/idle_clients.js                          | 3 ++-
 benchmark/misc/child-process-read.js               | 1 +
 benchmark/misc/domain-fn-args.js                   | 8 ++++----
 benchmark/misc/function_call/index.js              | 1 +
 benchmark/misc/module-loader.js                    | 1 +
 benchmark/misc/next-tick-breadth.js                | 1 +
 benchmark/misc/next-tick-depth.js                  | 1 +
 benchmark/misc/spawn-echo.js                       | 1 +
 benchmark/misc/startup.js                          | 1 +
 benchmark/misc/string-creation.js                  | 1 +
 benchmark/misc/string-decoder.js                   | 1 +
 benchmark/misc/timers.js                           | 1 +
 benchmark/misc/url.js                              | 1 +
 benchmark/misc/v8-bench.js                         | 1 +
 benchmark/net/net-c2s-cork.js                      | 1 +
 benchmark/net/net-c2s.js                           | 1 +
 benchmark/net/net-pipe.js                          | 1 +
 benchmark/net/net-s2c.js                           | 1 +
 benchmark/net/tcp-raw-c2s.js                       | 1 +
 benchmark/net/tcp-raw-pipe.js                      | 1 +
 benchmark/net/tcp-raw-s2c.js                       | 1 +
 benchmark/path/basename.js                         | 1 +
 benchmark/path/dirname.js                          | 1 +
 benchmark/path/extname.js                          | 1 +
 benchmark/path/format.js                           | 1 +
 benchmark/path/isAbsolute.js                       | 1 +
 benchmark/path/join.js                             | 1 +
 benchmark/path/normalize.js                        | 1 +
 benchmark/path/parse.js                            | 1 +
 benchmark/path/resolve.js                          | 1 +
 benchmark/querystring/querystring-parse.js         | 1 +
 benchmark/querystring/querystring-stringify.js     | 1 +
 benchmark/report-startup-memory.js                 | 1 +
 benchmark/static_http_server.js                    | 1 +
 benchmark/tls/throughput.js                        | 1 +
 benchmark/url/url-parse.js                         | 1 +
 benchmark/url/url-resolve.js                       | 1 +
 benchmark/util/inspect.js                          | 1 +
 78 files changed, 86 insertions(+), 12 deletions(-)

diff --git a/benchmark/arrays/var-int.js b/benchmark/arrays/var-int.js
index 2b5fefc126ac1f..74a73c9515fffa 100644
--- 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
index 015e9a08f95725..e2569eed5c4e75 100644
--- 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
index 4dad3e9980e78b..8be70c1e87113a 100644
--- 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
index 23ab92462f8927..36094f632d4eec 100644
--- 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
index 630995a2fe8ff5..8e2eec3cf5bb37 100644
--- 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
index 42795d0bdf2104..50f420f412d30b 100644
--- 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
index b02e8a74030042..c83bb67fa24ad8 100644
--- 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
index fc498d0bf717d7..dfb68467cc54b9 100644
--- 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
index 0f54930296f268..6f10033020bc74 100644
--- 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
index 77a0b59b8ac081..fb8abc1aee1c63 100644
--- 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
index ba289e1fd319dc..2810aa1b463321 100644
--- 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
index f632fa64adff11..70cf3a705c0d8b 100644
--- 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
index b84bcf22d9bd58..4e07fc511be12a 100644
--- 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
index ce0064edb6e0cd..ab9c1d1d23b736 100644
--- 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
index c4f7e3b86e3be9..eb1959be791495 100644
--- 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
index 0855c62f56eb9d..44854aefa7b5e8 100644
--- 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
index 450d7982781f99..fc379b21b748bf 100644
--- 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
index 594b51aa7c2e0e..5da6f2481ecbc3 100644
--- 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
index e7308dbc617c18..4bcd37f00aaae8 100644
--- 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
index bc64b1d47330dc..050bbeb1ae54d3 100644
--- 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
index 6bba234d5a2b0d..cf0579134cfb62 100644
--- 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
index f2a6c9e59a602a..779cc8bca1c6a8 100644
--- 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
index b6dacb1f1b048b..99d85367cb8d6f 100644
--- 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
index 0d84e58f1231ee..b423c216b1ed73 100644
--- 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
index 4c45bd9b719665..87772222f0a467 100644
--- 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
index e7fda58d230d1d..dfe7e27cd09144 100644
--- 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
index a88cc14a1deef4..063732e1facb4b 100644
--- 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
index c24e95a1e66cd8..e91ca5078f5f98 100644
--- 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
index 3e968e66dd07a1..4c767cf666e579 100644
--- 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
index e7adf87a90ccfe..c305485cd5f8dc 100644
--- 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
index ac3241901b931e..0f39f64f57c418 100644
--- 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
index 10508a01e9e234..4f41d2b4bb4af3 100644
--- 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
index 62a74db2d48a51..642f2962cdce78 100644
--- 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
index 1c27dea2a2066e..befa3811ddd1c3 100644
--- 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
index 6391704ff7836b..9934883f7c3fa4 100644
--- 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
index cec721ac7119b2..4e12e543f0bd92 100644
--- 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
index ad7352daf2aba8..5449c49be97614 100644
--- 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
index 6b7cbd0bac9d10..354993a2706a95 100644
--- 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
index 78d04fe2e27670..a3c18628ec68ba 100644
--- 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
index 2eb617a2d14dab..6f56879cc08aaa 100644
--- 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
index aca2090e9e563f..d294e685224d8b 100644
--- 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
index 894dd55d301249..c1a7474aae32c1 100644
--- 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
index ed9b30aa91285f..6f1adcaec68584 100644
--- 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
index e722a219c97b0b..04f5627093893e 100644
--- 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
index ad86891bb8ff3a..1df7a74cbe77e1 100644
--- 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
index 652408144373f6..87d130f3a7e102 100644
--- 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
index 8a2c8e0a6ae148..bc513d338d6d8c 100644
--- 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
index 2b1b989e679b96..7c9e851aacb641 100644
--- 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
index 09cf88e73643f8..34604911d250f3 100644
--- 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
index b8683ed1b104a7..59fb1b52b4ec12 100644
--- 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
index fe08c0e9fece41..b10b0a6e9cbd48 100644
--- 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
index 23f571bb4528a1..13b18fffc5ead7 100644
--- 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
index 6c2799b6cb92b2..78fe7b6c560ef2 100644
--- 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
index efe81f8ebb8a0e..0b9a5139ba23cf 100644
--- 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
index a811c86c56ae9d..5d1c8a7495ead9 100644
--- 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
index 718d4407c66d5b..370ff4f138cafd 100644
--- 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
index 63a0a26a563870..ea8af249a35b50 100644
--- 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
index c4ab05a44aae94..af40d8d58d8852 100644
--- 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
index e3fc9edaa1d499..e13af85c6774dd 100644
--- 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
index 69fbac6c2fe17b..c05c816855e7a6 100644
--- 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
index 34f67bf0176e37..822a74c679db12 100644
--- 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
index 57d9492746b32c..6c710dbb58ceb6 100644
--- 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');
diff --git a/benchmark/path/dirname.js b/benchmark/path/dirname.js
index e95adf28811a4e..4a9c04158cdee6 100644
--- a/benchmark/path/dirname.js
+++ b/benchmark/path/dirname.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/extname.js b/benchmark/path/extname.js
index c655ee7e3e160a..4f7c6b542d21c4 100644
--- a/benchmark/path/extname.js
+++ b/benchmark/path/extname.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/format.js b/benchmark/path/format.js
index bc77f888116963..478a30cbaedbd2 100644
--- a/benchmark/path/format.js
+++ b/benchmark/path/format.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/isAbsolute.js b/benchmark/path/isAbsolute.js
index d4c79b99cdbeb7..0d412f925388c6 100644
--- a/benchmark/path/isAbsolute.js
+++ b/benchmark/path/isAbsolute.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/join.js b/benchmark/path/join.js
index 58f4dc3e1e9e44..0262e25d249cb0 100644
--- a/benchmark/path/join.js
+++ b/benchmark/path/join.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/normalize.js b/benchmark/path/normalize.js
index 6f7f05e4f9e1c8..56a637f401c0cc 100644
--- a/benchmark/path/normalize.js
+++ b/benchmark/path/normalize.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/parse.js b/benchmark/path/parse.js
index f3fbb2a1f5c98f..2afc143090c6c8 100644
--- a/benchmark/path/parse.js
+++ b/benchmark/path/parse.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/path/resolve.js b/benchmark/path/resolve.js
index 375e8b134ba0ea..5235b94b74d328 100644
--- a/benchmark/path/resolve.js
+++ b/benchmark/path/resolve.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var path = require('path');
 var v8 = require('v8');
diff --git a/benchmark/querystring/querystring-parse.js b/benchmark/querystring/querystring-parse.js
index 4fbc18bf2e4453..1019a941dfdecb 100644
--- a/benchmark/querystring/querystring-parse.js
+++ b/benchmark/querystring/querystring-parse.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var querystring = require('querystring');
 var v8 = require('v8');
diff --git a/benchmark/querystring/querystring-stringify.js b/benchmark/querystring/querystring-stringify.js
index d4bb95c21e5af4..c2f38554166aa4 100644
--- a/benchmark/querystring/querystring-stringify.js
+++ b/benchmark/querystring/querystring-stringify.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var querystring = require('querystring');
 var v8 = require('v8');
diff --git a/benchmark/report-startup-memory.js b/benchmark/report-startup-memory.js
index 14e56231ec2ddd..6d796307f4f437 100644
--- a/benchmark/report-startup-memory.js
+++ b/benchmark/report-startup-memory.js
@@ -1 +1,2 @@
+'use strict';
 console.log(process.memoryUsage().rss);
diff --git a/benchmark/static_http_server.js b/benchmark/static_http_server.js
index 1a88fb58234317..804f83c208bb39 100644
--- a/benchmark/static_http_server.js
+++ b/benchmark/static_http_server.js
@@ -1,3 +1,4 @@
+'use strict';
 var http = require('http');
 
 var concurrency = 30;
diff --git a/benchmark/tls/throughput.js b/benchmark/tls/throughput.js
index 58778561da3faa..7b545267ace7fe 100644
--- a/benchmark/tls/throughput.js
+++ b/benchmark/tls/throughput.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var bench = common.createBenchmark(main, {
   dur: [5],
diff --git a/benchmark/url/url-parse.js b/benchmark/url/url-parse.js
index ffa47c4ccd6105..89679548b8f193 100644
--- a/benchmark/url/url-parse.js
+++ b/benchmark/url/url-parse.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var url = require('url');
 var v8 = require('v8');
diff --git a/benchmark/url/url-resolve.js b/benchmark/url/url-resolve.js
index 5f6c1f7600ce4e..18f67e82e30787 100644
--- a/benchmark/url/url-resolve.js
+++ b/benchmark/url/url-resolve.js
@@ -1,3 +1,4 @@
+'use strict';
 var common = require('../common.js');
 var url = require('url');
 var v8 = require('v8');
diff --git a/benchmark/util/inspect.js b/benchmark/util/inspect.js
index 9955bc6d64876a..3312bd683ba81b 100644
--- a/benchmark/util/inspect.js
+++ b/benchmark/util/inspect.js
@@ -1,3 +1,4 @@
+'use strict';
 var util = require('util');
 
 var common = require('../common.js');