Convert from rubocop to finstylelcg/finstyle

30 files changed, 363 insertions, 402 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
index e843ff7..8a7d03f 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,67 +1,27 @@
-AbcSize:
+Lint/HandleExceptions:
   Enabled: false
-AndOr:
+Lint/Eval:
   Enabled: false
-Lint/AssignmentInCondition:
+Metrics/AbcSize:
   Enabled: false
-ClassAndModuleCamelCase:
+Metrics/ClassLength:
   Enabled: false
-ClassLength:
+Metrics/CyclomaticComplexity:
   Enabled: false
-CommentAnnotation:
+Metrics/LineLength:
   Enabled: false
-CyclomaticComplexity:
+Metrics/MethodLength:
   Enabled: false
-Documentation:
+Metrics/ModuleLength:
   Enabled: false
-DoubleNegation:
+Metrics/PerceivedComplexity:
   Enabled: false
-Encoding:
+Style/ClassAndModuleCamelCase:
   Enabled: false
-Eval:
+Style/DoubleNegation:
   Enabled: false
 Style/FileName:
   Exclude:
     - bin/ffi-yajl-bench
-FormatString:
-  Enabled: false
-Style/GuardClause:
-  Enabled: false
-Lint/HandleExceptions:
-  Enabled: false
-LineLength:
-  Enabled: false
-MethodLength:
-  Enabled: false
-ModuleLength:
-  Enabled: false
-PerceivedComplexity:
-  Enabled: false
-PercentLiteralDelimiters:
-  PreferredDelimiters:
-    '%':  '{}'
-    '%q': '{}'
-    '%Q': '{}'
-    '%w': '{}'
-    '%W': '{}'
-    '%x': '{}'
-RegexpLiteral:
-  Enabled: false
-Style/Semicolon:
-  Enabled: false
-SignalException:
-  Enabled: false
-SingleSpaceBeforeFirstArg:
-  Enabled: false
-SpaceInsideBrackets:
-  Enabled: false
-SpaceInsideParens:
-  Enabled: false
-StringLiterals:
-  Enabled: false
-TrailingComma:
-  EnforcedStyleForMultiline: comma
-UnusedMethodArgument:
-  Enabled: false
-UnusedBlockArgument:
-  Enabled: false
+Style/HashSyntax:
+  EnforcedStyle: 'ruby19'
diff --git a/Gemfile b/Gemfile
index 330a01b..d014f5f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,20 +3,20 @@ source "https://rubygems.org"
 gemspec name: "ffi-yajl"
 
 platforms :rbx do
-  gem 'rubysl', '~> 2.0'
+  gem "rubysl", "~> 2.0"
 end
 
 group :development do
   # for testing loading concurrently with yajl-ruby, not on jruby
-  gem 'yajl-ruby', platforms: [ :ruby, :mswin, :mingw ]
-  gem 'github_changelog_generator'
+  gem "yajl-ruby", platforms: [:ruby, :mswin, :mingw]
+  gem "github_changelog_generator"
 end
 
 group :development_extras do
-  gem 'rubocop', '= 0.32.1'
-  gem 'reek', '= 1.3.7'
-  gem 'test-kitchen', '~> 1.2'
-  gem 'kitchen-digitalocean'
-  gem 'kitchen-ec2'
-  gem 'kitchen-vagrant'
+  gem "finstyle", "= 1.5.0"
+  gem "reek", "= 1.3.7"
+  gem "test-kitchen", "~> 1.2"
+  gem "kitchen-digitalocean"
+  gem "kitchen-ec2"
+  gem "kitchen-vagrant"
 end
diff --git a/Rakefile b/Rakefile
index e9746fb..547e8c8 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,10 +1,11 @@
-$LOAD_PATH << File.expand_path(File.join(File.dirname( __FILE__ ), "lib"))
+$LOAD_PATH << File.expand_path(File.join(File.dirname(__FILE__), "lib"))
 
-require 'rspec/core/rake_task'
-require 'rubygems/package_task'
-require 'rake/extensiontask'
-require 'ffi_yajl/version'
-require 'github_changelog_generator/task'
+require "finstyle"
+require "rspec/core/rake_task"
+require "rubygems/package_task"
+require "rake/extensiontask"
+require "ffi_yajl/version"
+require "github_changelog_generator/task"
 
 Dir[File.expand_path("../*gemspec", __FILE__)].reverse_each do |gemspec_path|
   gemspec = eval(IO.read(gemspec_path))
@@ -12,8 +13,8 @@ Dir[File.expand_path("../*gemspec", __FILE__)].reverse_each do |gemspec_path|
 end
 
 GitHubChangelogGenerator::RakeTask.new :changelog do |config|
-  config.since_tag = '1.0.1'
-  config.exclude_labels = %w{duplicate question invalid wontfix changelog_skip}
+  config.since_tag = "1.0.1"
+  config.exclude_labels = %w[duplicate question invalid wontfix changelog_skip]
 end
 
 desc "Build it and ship it"
@@ -41,26 +42,26 @@ task install: [:package] do
   end
 end
 
-spec = Gem::Specification.load('ffi-yajl.gemspec')
+spec = Gem::Specification.load("ffi-yajl.gemspec")
 
 Rake::ExtensionTask.new do |ext|
-  ext.name = 'encoder'
-  ext.lib_dir = 'lib/ffi_yajl/ext'
-  ext.ext_dir = 'ext/ffi_yajl/ext/encoder'
+  ext.name = "encoder"
+  ext.lib_dir = "lib/ffi_yajl/ext"
+  ext.ext_dir = "ext/ffi_yajl/ext/encoder"
   ext.gem_spec = spec
 end
 
 Rake::ExtensionTask.new do |ext|
-  ext.name = 'parser'
-  ext.lib_dir = 'lib/ffi_yajl/ext'
-  ext.ext_dir = 'ext/ffi_yajl/ext/parser'
+  ext.name = "parser"
+  ext.lib_dir = "lib/ffi_yajl/ext"
+  ext.ext_dir = "ext/ffi_yajl/ext/parser"
   ext.gem_spec = spec
 end
 
 Rake::ExtensionTask.new do |ext|
-  ext.name = 'dlopen'
-  ext.lib_dir = 'lib/ffi_yajl/ext'
-  ext.ext_dir = 'ext/ffi_yajl/ext/dlopen'
+  ext.name = "dlopen"
+  ext.lib_dir = "lib/ffi_yajl/ext"
+  ext.ext_dir = "ext/ffi_yajl/ext/dlopen"
   ext.gem_spec = spec
 end
 
@@ -79,14 +80,14 @@ end
 namespace :spec do
   desc "Run all specs against ffi extension"
   RSpec::Core::RakeTask.new(:ffi) do |t|
-    ENV['FORCE_FFI_YAJL'] = "ffi"
-    t.pattern = FileList['spec/**/*_spec.rb']
+    ENV["FORCE_FFI_YAJL"] = "ffi"
+    t.pattern = FileList["spec/**/*_spec.rb"]
   end
   if !defined?(RUBY_ENGINE) || RUBY_ENGINE !~ /jruby/
     desc "Run all specs again c extension"
     RSpec::Core::RakeTask.new(:ext) do |t|
-      ENV['FORCE_FFI_YAJL'] = "ext"
-      t.pattern = FileList['spec/**/*_spec.rb']
+      ENV["FORCE_FFI_YAJL"] = "ext"
+      t.pattern = FileList["spec/**/*_spec.rb"]
     end
   end
 end
@@ -94,7 +95,7 @@ end
 if RUBY_VERSION.to_f >= 1.9
   namespace :integration do
     begin
-      require 'kitchen'
+      require "kitchen"
     rescue LoadError
       task :vagrant do
         puts "test-kitchen gem is not installed"
@@ -103,7 +104,7 @@ if RUBY_VERSION.to_f >= 1.9
         puts "test-kitchen gem is not installed"
       end
     else
-      desc 'Run Test Kitchen with Vagrant'
+      desc "Run Test Kitchen with Vagrant"
       task :vagrant do
         Kitchen.logger = Kitchen.default_file_logger
         Kitchen::Config.new.instances.each do |instance|
@@ -111,19 +112,19 @@ if RUBY_VERSION.to_f >= 1.9
         end
       end
 
-      desc 'Run Test Kitchen with cloud plugins'
+      desc "Run Test Kitchen with cloud plugins"
       task :cloud do
-        if ENV['TRAVIS_PULL_REQUEST'] != 'true'
-          ENV['KITCHEN_YAML'] = '.kitchen.cloud.yml'
+        if ENV["TRAVIS_PULL_REQUEST"] != "true"
+          ENV["KITCHEN_YAML"] = ".kitchen.cloud.yml"
           sh "kitchen test --concurrency 4"
         end
       end
     end
   end
   namespace :style do
-    desc 'Run Ruby style checks'
+    desc "Run Ruby style checks"
     begin
-      require 'rubocop/rake_task'
+      require "rubocop/rake_task"
     rescue LoadError
       task :rubocop do
         puts "rubocop gem is not installed"
@@ -134,9 +135,9 @@ if RUBY_VERSION.to_f >= 1.9
       end
     end
 
-    desc 'Run Ruby smell checks'
+    desc "Run Ruby smell checks"
     begin
-      require 'reek/rake/task'
+      require "reek/rake/task"
     rescue LoadError
       task :reek do
         puts "reek gem is not installed"
@@ -167,13 +168,13 @@ else
   end
 end
 
-desc 'Run all style checks'
-task style: ['style:rubocop', 'style:reek']
+desc "Run all style checks"
+task style: ["style:rubocop", "style:reek"]
 
-desc 'Run style + spec tests by default on travis'
-task travis: %w{style spec}
+desc "Run style + spec tests by default on travis"
+task travis: %w[style spec]
 
-desc 'Run style, spec and test kichen on travis'
-task travis_all: ['style', 'spec', 'integration:cloud']
+desc "Run style, spec and test kichen on travis"
+task travis_all: ["style", "spec", "integration:cloud"]
 
-task default: ['style', 'spec', 'integration:vagrant']
+task default: ["style", "spec", "integration:vagrant"]
diff --git a/bin/ffi-yajl-bench b/bin/ffi-yajl-bench
index ceff62b..fadbcbc 100755
--- a/bin/ffi-yajl-bench
+++ b/bin/ffi-yajl-bench
@@ -1,32 +1,32 @@
 #!/usr/bin/env ruby
 
-$LOAD_PATH << File.expand_path(File.join(File.dirname( File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__ ), "../lib"))
+$LOAD_PATH << File.expand_path(File.join(File.dirname(File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__), "../lib"))
 
-require 'optparse'
-require 'ffi_yajl/benchmark'
+require "optparse"
+require "ffi_yajl/benchmark"
 
 opts = {}
 optparse = OptionParser.new do |o|
   o.banner = "Usage: ffi-yajl-bench"
 
   opts[:profile] = false
-  o.on( '-p', '--profile', 'Run perftools.rb profiling' ) do
+  o.on("-p", "--profile", "Run perftools.rb profiling") do
     opts[:profile] = true
   end
 
-  o.on( '-F', '--ffi', 'Force using FFI' ) do
+  o.on("-F", "--ffi", "Force using FFI") do
     opts[:ffi] = true
   end
 
-  o.on( '-E', '--ext', 'Force using C ext' ) do
+  o.on("-E", "--ext", "Force using C ext") do
     opts[:ext] = true
   end
 end
 
 optparse.parse!
 
-ENV['FORCE_FFI_YAJL'] = 'ffi' if opts[:ffi]
-ENV['FORCE_FFI_YAJL'] = 'ext' if opts[:ext]
+ENV["FORCE_FFI_YAJL"] = "ffi" if opts[:ffi]
+ENV["FORCE_FFI_YAJL"] = "ext" if opts[:ext]
 
 if opts[:profile]
   FFI_Yajl::Benchmark::ParseProfileRubyProf.new.run
diff --git a/ext/ffi_yajl/ext/dlopen/extconf.rb b/ext/ffi_yajl/ext/dlopen/extconf.rb
index f35d0cb..803d326 100644
--- a/ext/ffi_yajl/ext/dlopen/extconf.rb
+++ b/ext/ffi_yajl/ext/dlopen/extconf.rb
@@ -1,8 +1,8 @@
 # rubocop:disable Style/GlobalVars
-require 'mkmf'
-require 'rubygems'
+require "mkmf"
+require "rubygems"
 
-RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+RbConfig::MAKEFILE_CONFIG["CC"] = ENV["CC"] if ENV["CC"]
 
 puts $CFLAGS
 puts $LDFLAGS
@@ -11,6 +11,6 @@ have_header("dlfcn.h")
 
 have_library("dl", "dlopen")
 
-dir_config 'dlopen'
+dir_config "dlopen"
 
-create_makefile 'ffi_yajl/ext/dlopen'
+create_makefile "ffi_yajl/ext/dlopen"
diff --git a/ext/ffi_yajl/ext/encoder/extconf.rb b/ext/ffi_yajl/ext/encoder/extconf.rb
index e46080a..e13c0a1 100644
--- a/ext/ffi_yajl/ext/encoder/extconf.rb
+++ b/ext/ffi_yajl/ext/encoder/extconf.rb
@@ -1,9 +1,9 @@
 # rubocop:disable Style/GlobalVars
-require 'mkmf'
-require 'rubygems'
-require 'libyajl2'
+require "mkmf"
+require "rubygems"
+require "libyajl2"
 
-RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+RbConfig::MAKEFILE_CONFIG["CC"] = ENV["CC"] if ENV["CC"]
 
 # pick up the vendored libyajl2 out of the libyajl2 gem
 $CFLAGS = " -I#{Libyajl2.include_path} #{$CFLAGS}"
@@ -16,7 +16,7 @@ puts $CFLAGS
 puts $LDFLAGS
 
 # except if you're doing an unoptimized gcc install we're going to help you out a bit
-if RbConfig::MAKEFILE_CONFIG['CC'] =~ /gcc|clang/
+if RbConfig::MAKEFILE_CONFIG["CC"] =~ /gcc|clang/
   $CFLAGS << " -O3" unless $CFLAGS[/-O\d/]
   # how many people realize that -Wall is a compiler-specific flag???
   # apparently not many based on reading lots of shitty extconf.rb's out there
@@ -34,32 +34,32 @@ end
 
 # NOTE: find_library has the side effect of adding -lyajl to the flags which we are deliberately
 # avoiding doing with the libyajl2-gem (allowing it to be lazily loaded with dlopen)
-if !windows? && !find_header('yajl/yajl_tree.h')
+if !windows? && !find_header("yajl/yajl_tree.h")
   puts "libyajl2 headers not found in libyajl2-gem, searching for system libraries..."
 
   HEADER_DIRS = [
     "/opt/local/include",                   # MacPorts
     "/usr/local/include",                   # /usr/local
-    RbConfig::CONFIG['includedir'],         # Ruby
+    RbConfig::CONFIG["includedir"],         # Ruby
     "/usr/include",                         # (default)
   ]
 
   LIB_DIRS = [
     "/opt/local/lib",                       # MacPorts
     "/usr/local/lib",                       # /usr/local + Homebrew
-    RbConfig::CONFIG['libdir'],             # Ruby
+    RbConfig::CONFIG["libdir"],             # Ruby
     "/usr/lib",                             # (default)
   ]
 
   # add --with-yajl-dir, --with-yajl-include, --with-yajl-lib
-  dir_config('yajl', HEADER_DIRS, LIB_DIRS)
+  dir_config("yajl", HEADER_DIRS, LIB_DIRS)
 
   # here we use find_library in order to deliberately link with -lyajl as a useful side-effect
-  unless find_header('yajl/yajl_tree.h') && find_library('yajl', 'yajl_complete_parse')
+  unless find_header("yajl/yajl_tree.h") && find_library("yajl", "yajl_complete_parse")
     abort "libyajl2 is missing.  please install libyajl2"
   end
 end
 
-dir_config 'encoder'
+dir_config "encoder"
 
-create_makefile 'ffi_yajl/ext/encoder'
+create_makefile "ffi_yajl/ext/encoder"
diff --git a/ext/ffi_yajl/ext/parser/extconf.rb b/ext/ffi_yajl/ext/parser/extconf.rb
index 6f8526e..86ee50f 100644
--- a/ext/ffi_yajl/ext/parser/extconf.rb
+++ b/ext/ffi_yajl/ext/parser/extconf.rb
@@ -1,9 +1,9 @@
 # rubocop:disable Style/GlobalVars
-require 'mkmf'
-require 'rubygems'
-require 'libyajl2'
+require "mkmf"
+require "rubygems"
+require "libyajl2"
 
-RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+RbConfig::MAKEFILE_CONFIG["CC"] = ENV["CC"] if ENV["CC"]
 
 # pick up the vendored libyajl2 out of the libyajl2 gem
 $CFLAGS = "-I#{Libyajl2.include_path} #{$CFLAGS}"
@@ -16,7 +16,7 @@ puts $CFLAGS
 puts $LDFLAGS
 
 # except if you're doing an unoptimized gcc install we're going to help you out a bit
-if RbConfig::MAKEFILE_CONFIG['CC'] =~ /gcc|clang/
+if RbConfig::MAKEFILE_CONFIG["CC"] =~ /gcc|clang/
   $CFLAGS << " -O3" unless $CFLAGS[/-O\d/]
   # how many people realize that -Wall is a compiler-specific flag???
   # apparently not many based on reading lots of shitty extconf.rb's out there
@@ -34,32 +34,32 @@ end
 
 # NOTE: find_library has the side effect of adding -lyajl to the flags which we are deliberately
 # avoiding doing with the libyajl2-gem (allowing it to be lazily loaded with dlopen)
-if !windows? && !find_header('yajl/yajl_tree.h')
+if !windows? && !find_header("yajl/yajl_tree.h")
   puts "libyajl2 headers not found in libyajl2-gem, searching for system libraries..."
 
   HEADER_DIRS = [
     "/opt/local/include",                   # MacPorts
     "/usr/local/include",                   # /usr/local
-    RbConfig::CONFIG['includedir'],         # Ruby
+    RbConfig::CONFIG["includedir"],         # Ruby
     "/usr/include",                         # (default)
   ]
 
   LIB_DIRS = [
     "/opt/local/lib",                       # MacPorts
     "/usr/local/lib",                       # /usr/local + Homebrew
-    RbConfig::CONFIG['libdir'],             # Ruby
+    RbConfig::CONFIG["libdir"],             # Ruby
     "/usr/lib",                             # (default)
   ]
 
   # add --with-yajl-dir, --with-yajl-include, --with-yajl-lib
-  dir_config('yajl', HEADER_DIRS, LIB_DIRS)
+  dir_config("yajl", HEADER_DIRS, LIB_DIRS)
 
   # here we use find_library in order to deliberately link with -lyajl as a useful side-effect
-  unless find_header('yajl/yajl_tree.h') && find_library('yajl', 'yajl_complete_parse')
+  unless find_header("yajl/yajl_tree.h") && find_library("yajl", "yajl_complete_parse")
     abort "libyajl2 is missing.  please install libyajl2"
   end
 end
 
-dir_config 'parser'
+dir_config "parser"
 
-create_makefile 'ffi_yajl/ext/parser'
+create_makefile "ffi_yajl/ext/parser"
diff --git a/ffi-yajl.gemspec b/ffi-yajl.gemspec
index 83af1f6..399fea0 100644
--- a/ffi-yajl.gemspec
+++ b/ffi-yajl.gemspec
@@ -1,7 +1,7 @@
 gemspec = eval(IO.read(File.expand_path(File.join(File.dirname(__FILE__), "ffi-yajl.gemspec.shared"))))
 
 gemspec.platform = Gem::Platform::RUBY
-gemspec.extensions = %w{ext/ffi_yajl/ext/encoder/extconf.rb ext/ffi_yajl/ext/parser/extconf.rb ext/ffi_yajl/ext/dlopen/extconf.rb}
+gemspec.extensions = %w[ext/ffi_yajl/ext/encoder/extconf.rb ext/ffi_yajl/ext/parser/extconf.rb ext/ffi_yajl/ext/dlopen/extconf.rb]
 
 gemspec.add_development_dependency "ffi", "~> 1.5"
 
diff --git a/lib/ffi_yajl.rb b/lib/ffi_yajl.rb
index 49cf97f..1111775 100644
--- a/lib/ffi_yajl.rb
+++ b/lib/ffi_yajl.rb
@@ -34,17 +34,17 @@
 #   dropped, so don't bother asking for that.
 # - Then we try the c-ext and rescue into ffi that fails
 #
-if ENV['FORCE_FFI_YAJL'] == "ext"
-  require 'ffi_yajl/ext'
-elsif ENV['FORCE_FFI_YAJL'] == "ffi"
-  require 'ffi_yajl/ffi'
+if ENV["FORCE_FFI_YAJL"] == "ext"
+  require "ffi_yajl/ext"
+elsif ENV["FORCE_FFI_YAJL"] == "ffi"
+  require "ffi_yajl/ffi"
 elsif RUBY_PLATFORM == "java"
-  require 'ffi_yajl/ffi'
+  require "ffi_yajl/ffi"
 else
   begin
-    require 'ffi_yajl/ext'
+    require "ffi_yajl/ext"
   rescue LoadError
     warn "failed to load the ffi-yajl c-extension, falling back to ffi interface"
-    require 'ffi_yajl/ffi'
+    require "ffi_yajl/ffi"
   end
 end
diff --git a/lib/ffi_yajl/benchmark.rb b/lib/ffi_yajl/benchmark.rb
index e8944ca..1372133 100644
--- a/lib/ffi_yajl/benchmark.rb
+++ b/lib/ffi_yajl/benchmark.rb
@@ -20,8 +20,8 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'ffi_yajl/benchmark/encode.rb'
-require 'ffi_yajl/benchmark/encode_profile.rb'
-require 'ffi_yajl/benchmark/parse.rb'
-require 'ffi_yajl/benchmark/parse_profile.rb'
-require 'ffi_yajl/benchmark/parse_profile_ruby_prof.rb'
+require "ffi_yajl/benchmark/encode.rb"
+require "ffi_yajl/benchmark/encode_profile.rb"
+require "ffi_yajl/benchmark/parse.rb"
+require "ffi_yajl/benchmark/parse_profile.rb"
+require "ffi_yajl/benchmark/parse_profile_ruby_prof.rb"
diff --git a/lib/ffi_yajl/benchmark/encode.rb b/lib/ffi_yajl/benchmark/encode.rb
index fc03c06..17e12cc 100644
--- a/lib/ffi_yajl/benchmark/encode.rb
+++ b/lib/ffi_yajl/benchmark/encode.rb
@@ -1,26 +1,26 @@
 # Portions Originally Copyright (c) 2008-2011 Brian Lopez - http://github.com/brianmario
 # See MIT-LICENSE
 
-require 'rubygems'
-require 'benchmark'
-require 'stringio'
+require "rubygems"
+require "benchmark"
+require "stringio"
 if !defined?(RUBY_ENGINE) || RUBY_ENGINE !~ /jruby/
   begin
-    require 'yajl'
+    require "yajl"
   rescue LoadError
     puts "INFO: yajl-ruby not installed"
   end
 else
   puts "INFO: skipping yajl-ruby on jruby"
 end
-require 'ffi_yajl'
+require "ffi_yajl"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
   puts "INFO: json gem not installed"
 end
 begin
-  require 'oj'
+  require "oj"
 rescue LoadError
   puts "INFO: oj gem not installed"
 end
@@ -31,7 +31,7 @@ module FFI_Yajl
       def run
         # filename = ARGV[0] || 'benchmark/subjects/ohai.json'
         filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "ohai.json"))
-        hash = File.open(filename, 'rb') { |f| FFI_Yajl::Parser.parse(f.read) }
+        hash = File.open(filename, "rb") { |f| FFI_Yajl::Parser.parse(f.read) }
 
         times = ARGV[1] ? ARGV[1].to_i : 1000
         puts "Starting benchmark encoding #{filename} #{times} times\n\n"
diff --git a/lib/ffi_yajl/benchmark/encode_json_and_marshal.rb b/lib/ffi_yajl/benchmark/encode_json_and_marshal.rb
index e9d19bc..4269056 100644
--- a/lib/ffi_yajl/benchmark/encode_json_and_marshal.rb
+++ b/lib/ffi_yajl/benchmark/encode_json_and_marshal.rb
@@ -1,18 +1,18 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
-require 'stringio'
+require "rubygems"
+require "benchmark"
+require "yajl"
+require "stringio"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
 
 times = ARGV[0] ? ARGV[0].to_i : 1000
-filename = 'benchmark/subjects/ohai.json'
-json = File.new(filename, 'r')
+filename = "benchmark/subjects/ohai.json"
+json = File.new(filename, "r")
 hash = Yajl::Parser.new.parse(json)
 json.close
 
diff --git a/lib/ffi_yajl/benchmark/encode_json_and_yaml.rb b/lib/ffi_yajl/benchmark/encode_json_and_yaml.rb
index 33dbbb2..72310c1 100644
--- a/lib/ffi_yajl/benchmark/encode_json_and_yaml.rb
+++ b/lib/ffi_yajl/benchmark/encode_json_and_yaml.rb
@@ -1,18 +1,18 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
+require "rubygems"
+require "benchmark"
+require "yajl"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
-require 'yaml'
+require "yaml"
 
 # JSON Section
-filename = 'benchmark/subjects/ohai.json'
-json = File.new(filename, 'r')
+filename = "benchmark/subjects/ohai.json"
+json = File.new(filename, "r")
 hash = Yajl::Parser.new.parse(json)
 json.close
 
@@ -33,8 +33,8 @@ Benchmark.bmbm do |x|
 end
 
 # YAML Section
-filename = 'benchmark/subjects/ohai.yml'
-yml = File.new(filename, 'r')
+filename = "benchmark/subjects/ohai.yml"
+yml = File.new(filename, "r")
 data = YAML.load_stream(yml)
 yml.close
 
diff --git a/lib/ffi_yajl/benchmark/encode_profile.rb b/lib/ffi_yajl/benchmark/encode_profile.rb
index 36b92c7..468f88b 100644
--- a/lib/ffi_yajl/benchmark/encode_profile.rb
+++ b/lib/ffi_yajl/benchmark/encode_profile.rb
@@ -1,15 +1,15 @@
 # Portions Originally Copyright (c) 2008-2011 Brian Lopez - http://github.com/brianmario
 # See MIT-LICENSE
 
-require 'rubygems'
-require 'ffi_yajl'
+require "rubygems"
+require "ffi_yajl"
 begin
-  require 'perftools'
+  require "perftools"
 rescue LoadError
   puts "INFO: perftools.rb gem not installed"
 end
 
-ENV['CPUPROFILE_FREQUENCY'] = "4000"
+ENV["CPUPROFILE_FREQUENCY"] = "4000"
 
 module FFI_Yajl
   class Benchmark
@@ -18,7 +18,7 @@ module FFI_Yajl
         return unless defined?(PerfTools)
 
         filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "ohai.json"))
-        hash = File.open(filename, 'rb') { |f| FFI_Yajl::Parser.parse(f.read) }
+        hash = File.open(filename, "rb") { |f| FFI_Yajl::Parser.parse(f.read) }
 
         times = 1000
         puts "Starting profiling encoding #{filename} #{times} times\n\n"
diff --git a/lib/ffi_yajl/benchmark/http.rb b/lib/ffi_yajl/benchmark/http.rb
index b94a46c..0b19387 100644
--- a/lib/ffi_yajl/benchmark/http.rb
+++ b/lib/ffi_yajl/benchmark/http.rb
@@ -1,17 +1,17 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl/http_stream'
-require 'yajl/gzip'
-require 'yajl/deflate'
-require 'yajl/bzip2' unless defined?(Bzip2)
-require 'json'
-require 'uri'
-require 'net/http'
+require "rubygems"
+require "benchmark"
+require "yajl/http_stream"
+require "yajl/gzip"
+require "yajl/deflate"
+require "yajl/bzip2" unless defined?(Bzip2)
+require "json"
+require "uri"
+require "net/http"
 
-uri = URI.parse('http://search.twitter.com/search.json?q=github')
+uri = URI.parse("http://search.twitter.com/search.json?q=github")
 # uri = URI.parse('http://localhost/yajl-ruby.git/benchmark/subjects/contacts.json')
 
 times = ARGV[0] ? ARGV[0].to_i : 1
diff --git a/lib/ffi_yajl/benchmark/parse.rb b/lib/ffi_yajl/benchmark/parse.rb
index 6aacc94..f7ab8b1 100644
--- a/lib/ffi_yajl/benchmark/parse.rb
+++ b/lib/ffi_yajl/benchmark/parse.rb
@@ -1,10 +1,10 @@
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
-require 'ffi_yajl'
+require "rubygems"
+require "benchmark"
+require "yajl"
+require "ffi_yajl"
 if !defined?(RUBY_ENGINE) || RUBY_ENGINE !~ /jruby/
   begin
-    require 'yajl'
+    require "yajl"
   rescue LoadError
     puts "INFO: yajl-ruby not installed"
   end
@@ -12,11 +12,11 @@ else
   puts "INFO: skipping yajl-ruby on jruby"
 end
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
 begin
-  require 'oj'
+  require "oj"
 rescue LoadError
 end
 
@@ -25,7 +25,7 @@ module FFI_Yajl
     class Parse
       def run
         filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "item.json"))
-        json = File.new(filename, 'r')
+        json = File.new(filename, "r")
         json_str = json.read
 
         times = ARGV[1] ? ARGV[1].to_i : 10_000
@@ -49,7 +49,7 @@ module FFI_Yajl
               times.times { Yajl::Parser.parse(json_str) }
             end
             io_parser = Yajl::Parser.new
-            io_parser.on_parse_complete = ->(obj) {} if times > 1
+            io_parser.on_parse_complete = ->(_obj) {} if times > 1
             x.report do
               puts "Yajl::Parser#parse (from an IO)"
               times.times do
@@ -58,7 +58,7 @@ module FFI_Yajl
               end
             end
             string_parser = Yajl::Parser.new
-            string_parser.on_parse_complete = ->(obj) {} if times > 1
+            string_parser.on_parse_complete = ->(_obj) {} if times > 1
             x.report do
               puts "Yajl::Parser#parse (from a String)"
               times.times do
diff --git a/lib/ffi_yajl/benchmark/parse_json_and_marshal.rb b/lib/ffi_yajl/benchmark/parse_json_and_marshal.rb
index cd07d46..194c18b 100644
--- a/lib/ffi_yajl/benchmark/parse_json_and_marshal.rb
+++ b/lib/ffi_yajl/benchmark/parse_json_and_marshal.rb
@@ -1,19 +1,19 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
+require "rubygems"
+require "benchmark"
+require "yajl"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
 
 # JSON section
-filename = 'benchmark/subjects/ohai.json'
-marshal_filename = 'benchmark/subjects/ohai.marshal_dump'
-json = File.new(filename, 'r')
-marshal_file = File.new(marshal_filename, 'r')
+filename = "benchmark/subjects/ohai.json"
+marshal_filename = "benchmark/subjects/ohai.marshal_dump"
+json = File.new(filename, "r")
+marshal_file = File.new(marshal_filename, "r")
 
 hash = {}
 
@@ -23,7 +23,7 @@ Benchmark.bmbm do |x|
   x.report do
     puts "Yajl::Parser#parse"
     yajl = Yajl::Parser.new
-    yajl.on_parse_complete = ->(obj) {} if times > 1
+    yajl.on_parse_complete = ->(_obj) {} if times > 1
     times.times do
       json.rewind
       hash = yajl.parse(json)
diff --git a/lib/ffi_yajl/benchmark/parse_json_and_yaml.rb b/lib/ffi_yajl/benchmark/parse_json_and_yaml.rb
index 6e479ce..d73d0bd 100644
--- a/lib/ffi_yajl/benchmark/parse_json_and_yaml.rb
+++ b/lib/ffi_yajl/benchmark/parse_json_and_yaml.rb
@@ -1,24 +1,24 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
+require "rubygems"
+require "benchmark"
+require "yajl"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
-require 'yaml'
+require "yaml"
 
 # JSON section
-filename = 'benchmark/subjects/ohai.json'
-json = File.new(filename, 'r')
+filename = "benchmark/subjects/ohai.json"
+json = File.new(filename, "r")
 
 times = ARGV[0] ? ARGV[0].to_i : 1000
 puts "Starting benchmark parsing #{File.size(filename)} bytes of JSON data #{times} times\n\n"
 Benchmark.bmbm do |x|
   parser = Yajl::Parser.new
-  parser.on_parse_complete = ->(obj) {} if times > 1
+  parser.on_parse_complete = ->(_obj) {} if times > 1
   x.report do
     puts "Yajl::Parser#parse"
     times.times do
@@ -39,8 +39,8 @@ end
 json.close
 
 # YAML section
-filename = 'benchmark/subjects/ohai.yml'
-yaml = File.new(filename, 'r')
+filename = "benchmark/subjects/ohai.yml"
+yaml = File.new(filename, "r")
 
 puts "Starting benchmark parsing #{File.size(filename)} bytes of YAML data #{times} times\n\n"
 Benchmark.bmbm do |x|
diff --git a/lib/ffi_yajl/benchmark/parse_profile.rb b/lib/ffi_yajl/benchmark/parse_profile.rb
index 6ef00ac..4b396b4 100644
--- a/lib/ffi_yajl/benchmark/parse_profile.rb
+++ b/lib/ffi_yajl/benchmark/parse_profile.rb
@@ -1,15 +1,15 @@
 # Portions Originally Copyright (c) 2008-2011 Brian Lopez - http://github.com/brianmario
 # See MIT-LICENSE
 
-require 'rubygems'
-require 'ffi_yajl'
+require "rubygems"
+require "ffi_yajl"
 begin
-  require 'perftools'
+  require "perftools"
 rescue LoadError
   puts "INFO: perftools.rb gem not installed"
 end
 
-ENV['CPUPROFILE_FREQUENCY'] = "4000"
+ENV["CPUPROFILE_FREQUENCY"] = "4000"
 
 module FFI_Yajl
   class Benchmark
@@ -18,7 +18,7 @@ module FFI_Yajl
         return if defined?(PerfTools)
 
         filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "ohai.json"))
-        json = File.new(filename, 'r').read
+        json = File.new(filename, "r").read
 
         times = 1000
         puts "Starting profiling encoding #{filename} #{times} times\n\n"
diff --git a/lib/ffi_yajl/benchmark/parse_profile_ruby_prof.rb b/lib/ffi_yajl/benchmark/parse_profile_ruby_prof.rb
index 51696c5..2c4021a 100644
--- a/lib/ffi_yajl/benchmark/parse_profile_ruby_prof.rb
+++ b/lib/ffi_yajl/benchmark/parse_profile_ruby_prof.rb
@@ -1,15 +1,15 @@
 # Portions Originally Copyright (c) 2008-2011 Brian Lopez - http://github.com/brianmario
 # See MIT-LICENSE
 
-require 'rubygems'
-require 'ffi_yajl'
+require "rubygems"
+require "ffi_yajl"
 
 module FFI_Yajl
   class Benchmark
     class ParseProfileRubyProf
       def run
         begin
-          require 'ruby-prof'
+          require "ruby-prof"
         rescue LoadError
           puts "INFO: perftools.rb gem not installed"
         end
@@ -17,7 +17,7 @@ module FFI_Yajl
         return if defined?(RubyProf)
 
         filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "ohai.json"))
-        json = File.new(filename, 'r').read
+        json = File.new(filename, "r").read
 
         times = 1000
         puts "Starting profiling encoding #{filename} #{times} times\n\n"
diff --git a/lib/ffi_yajl/benchmark/parse_stream.rb b/lib/ffi_yajl/benchmark/parse_stream.rb
index 679eb92..d689a3d 100644
--- a/lib/ffi_yajl/benchmark/parse_stream.rb
+++ b/lib/ffi_yajl/benchmark/parse_stream.rb
@@ -1,26 +1,26 @@
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/..')
-$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/..")
+$LOAD_PATH.unshift File.expand_path(File.dirname(__FILE__) + "/../lib")
 
-require 'rubygems'
-require 'benchmark'
-require 'yajl'
+require "rubygems"
+require "benchmark"
+require "yajl"
 begin
-  require 'json'
+  require "json"
 rescue LoadError
 end
 begin
-  require 'active_support'
+  require "active_support"
 rescue LoadError
 end
 
-filename = 'benchmark/subjects/twitter_stream.json'
-json = File.new(filename, 'r')
+filename = "benchmark/subjects/twitter_stream.json"
+json = File.new(filename, "r")
 
 times = ARGV[0] ? ARGV[0].to_i : 100
 puts "Starting benchmark parsing JSON stream (#{File.size(filename)} bytes of JSON data with 430 JSON separate strings) #{times} times\n\n"
 Benchmark.bmbm do |x|
   parser = Yajl::Parser.new
-  parser.on_parse_complete = ->(obj) {}
+  parser.on_parse_complete = ->(_obj) {}
   x.report do
     puts "Yajl::Parser#parse"
     times.times do
diff --git a/lib/ffi_yajl/ext.rb b/lib/ffi_yajl/ext.rb
index ed17e59..f7bbcfd 100644
--- a/lib/ffi_yajl/ext.rb
+++ b/lib/ffi_yajl/ext.rb
@@ -20,16 +20,16 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'rubygems'
+require "rubygems"
 
-require 'ffi_yajl/encoder'
-require 'ffi_yajl/parser'
-require 'ffi_yajl/ext/dlopen'
-require 'ffi_yajl/map_library_name'
+require "ffi_yajl/encoder"
+require "ffi_yajl/parser"
+require "ffi_yajl/ext/dlopen"
+require "ffi_yajl/map_library_name"
 
 # needed so the encoder c-code can find these symbols
-require 'stringio'
-require 'date'
+require "stringio"
+require "date"
 
 module FFI_Yajl
   extend FFI_Yajl::MapLibraryName
@@ -38,12 +38,12 @@ module FFI_Yajl
   dlopen_yajl_library
 
   class Parser
-    require 'ffi_yajl/ext/parser'
+    require "ffi_yajl/ext/parser"
     include FFI_Yajl::Ext::Parser
   end
 
   class Encoder
-    require 'ffi_yajl/ext/encoder'
+    require "ffi_yajl/ext/encoder"
     include FFI_Yajl::Ext::Encoder
   end
 end
diff --git a/lib/ffi_yajl/ffi.rb b/lib/ffi_yajl/ffi.rb
index 3b83bae..fc6f99f 100644
--- a/lib/ffi_yajl/ffi.rb
+++ b/lib/ffi_yajl/ffi.rb
@@ -20,18 +20,18 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'rubygems'
+require "rubygems"
 
-require 'libyajl2'
+require "libyajl2"
 begin
-  require 'ffi'
+  require "ffi"
 rescue LoadError
   $stderr.puts "FATAL: to use the ffi extension instead of the compiled C extension, the ffi gem must be installed"
   $stderr.puts "       (it is optional, so you must include it in your bundle manually)"
   exit 1
 end
 
-require 'ffi_yajl/map_library_name'
+require "ffi_yajl/map_library_name"
 
 module FFI_Yajl
   extend ::FFI::Library
@@ -42,23 +42,23 @@ module FFI_Yajl
 
   class YajlCallbacks < ::FFI::Struct
     layout :yajl_null, :pointer,
-           :yajl_boolean, :pointer,
-           :yajl_integer, :pointer,
-           :yajl_double, :pointer,
-           :yajl_number, :pointer,
-           :yajl_string, :pointer,
-           :yajl_start_map, :pointer,
-           :yajl_map_key, :pointer,
-           :yajl_end_map, :pointer,
-           :yajl_start_array, :pointer,
-           :yajl_end_array, :pointer
+      :yajl_boolean, :pointer,
+      :yajl_integer, :pointer,
+      :yajl_double, :pointer,
+      :yajl_number, :pointer,
+      :yajl_string, :pointer,
+      :yajl_start_map, :pointer,
+      :yajl_map_key, :pointer,
+      :yajl_end_map, :pointer,
+      :yajl_start_array, :pointer,
+      :yajl_end_array, :pointer
   end
 
   enum :yajl_status, [
     :yajl_status_ok,
     :yajl_status_client_canceled,
     :yajl_status_insufficient_data,
-    :yajl_status_error,
+    :yajl_status_error
   ]
 
   # FFI::Enums are slow, should remove the rest
@@ -95,7 +95,7 @@ module FFI_Yajl
   typedef :string, :ustring
 
   # const char *yajl_status_to_string (yajl_status code)
-  attach_function :yajl_status_to_string, [ :yajl_status ], :string
+  attach_function :yajl_status_to_string, [:yajl_status], :string
   # yajl_handle yajl_alloc(const yajl_callbacks * callbacks, yajl_alloc_funcs * afs, void * ctx)
   attach_function :yajl_alloc, [:pointer, :pointer, :pointer], :yajl_handle
   # void yajl_free (yajl_handle handle)
@@ -137,17 +137,17 @@ module FFI_Yajl
   attach_function :yajl_gen_clear, [:yajl_gen], :void
 end
 
-require 'ffi_yajl/encoder'
-require 'ffi_yajl/parser'
+require "ffi_yajl/encoder"
+require "ffi_yajl/parser"
 
 module FFI_Yajl
   class Parser
-    require 'ffi_yajl/ffi/parser'
+    require "ffi_yajl/ffi/parser"
     include FFI_Yajl::FFI::Parser
   end
 
   class Encoder
-    require 'ffi_yajl/ffi/encoder'
+    require "ffi_yajl/ffi/encoder"
     include FFI_Yajl::FFI::Encoder
   end
 end
diff --git a/lib/ffi_yajl/ffi/encoder.rb b/lib/ffi_yajl/ffi/encoder.rb
index 304c85f..a46cb96 100644
--- a/lib/ffi_yajl/ffi/encoder.rb
+++ b/lib/ffi_yajl/ffi/encoder.rb
@@ -20,8 +20,8 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'date'
-require 'stringio'
+require "date"
+require "stringio"
 
 module FFI_Yajl
   module FFI
@@ -42,7 +42,7 @@ module FFI_Yajl
         # setup our own state
         state = {
           json_opts: opts,
-          processing_key: false,
+          processing_key: false
         }
 
         # do the encoding
@@ -51,7 +51,7 @@ module FFI_Yajl
         # get back our encoded JSON
         string_ptr = ::FFI::MemoryPointer.new(:string)
         length_ptr = ::FFI::MemoryPointer.new(:int)
-        if ( status = FFI_Yajl.yajl_gen_get_buf(yajl_gen, string_ptr, length_ptr) ) != 0
+        if (status = FFI_Yajl.yajl_gen_get_buf(yajl_gen, string_ptr, length_ptr)) != 0
           FFI_Yajl::Encoder.raise_error_for_status(status)
         end
         string = string_ptr.get_pointer(0).read_string
@@ -68,12 +68,12 @@ class Hash
   def ffi_yajl(yajl_gen, state)
     if state[:processing_key]
       str = to_s
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_map_open(yajl_gen) ) != 0
-        FFI_Yajl::Encoder.raise_error_for_status(status, '{')
+      if (status = FFI_Yajl.yajl_gen_map_open(yajl_gen)) != 0
+        FFI_Yajl::Encoder.raise_error_for_status(status, "{")
       end
       each do |key, value|
         # Perf Fix: mutate state hash rather than creating new copy
@@ -82,8 +82,8 @@ class Hash
         state[:processing_key] = false
         value.ffi_yajl(yajl_gen, state)
       end
-      if ( status = FFI_Yajl.yajl_gen_map_close(yajl_gen) ) != 0
-        FFI_Yajl::Encoder.raise_error_for_status(status, '}')
+      if (status = FFI_Yajl.yajl_gen_map_close(yajl_gen)) != 0
+        FFI_Yajl::Encoder.raise_error_for_status(status, "}")
       end
     end
   end
@@ -93,18 +93,18 @@ class Array
   def ffi_yajl(yajl_gen, state)
     if state[:processing_key]
       str = to_s
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_array_open(yajl_gen) ) != 0
-        FFI_Yajl::Encoder.raise_error_for_status(status, '[')
+      if (status = FFI_Yajl.yajl_gen_array_open(yajl_gen)) != 0
+        FFI_Yajl::Encoder.raise_error_for_status(status, "[")
       end
       each do |value|
         value.ffi_yajl(yajl_gen, state)
       end
-      if ( status = FFI_Yajl.yajl_gen_array_close(yajl_gen) ) != 0
-        FFI_Yajl::Encoder.raise_error_for_status(status, ']')
+      if (status = FFI_Yajl.yajl_gen_array_close(yajl_gen)) != 0
+        FFI_Yajl::Encoder.raise_error_for_status(status, "]")
       end
     end
   end
@@ -114,11 +114,11 @@ class NilClass
   def ffi_yajl(yajl_gen, state)
     str = to_s
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_null(yajl_gen) ) != 0
+      if (status = FFI_Yajl.yajl_gen_null(yajl_gen)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -129,11 +129,11 @@ class TrueClass
   def ffi_yajl(yajl_gen, state)
     str = to_s
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_bool(yajl_gen, 1) ) != 0
+      if (status = FFI_Yajl.yajl_gen_bool(yajl_gen, 1)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -144,11 +144,11 @@ class FalseClass
   def ffi_yajl(yajl_gen, state)
     str = to_s
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_bool(yajl_gen, 0) ) != 0
+      if (status = FFI_Yajl.yajl_gen_bool(yajl_gen, 0)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -162,11 +162,11 @@ class Fixnum
       raise ::FFI_Yajl::EncodeError, "'#{str}' is an invalid number"
     end
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_integer(yajl_gen, self) ) != 0
+      if (status = FFI_Yajl.yajl_gen_integer(yajl_gen, self)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -180,11 +180,11 @@ class Bignum
       raise ::FFI_Yajl::EncodeError, "'#{str}' is an invalid number"
     end
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_number(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_number(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -198,11 +198,11 @@ class Float
       raise ::FFI_Yajl::EncodeError, "'#{str}' is an invalid number"
     end
     if state[:processing_key]
-      if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     else
-      if ( status = FFI_Yajl.yajl_gen_number(yajl_gen, str, str.bytesize) ) != 0
+      if (status = FFI_Yajl.yajl_gen_number(yajl_gen, str, str.bytesize)) != 0
         FFI_Yajl::Encoder.raise_error_for_status(status, str)
       end
     end
@@ -210,53 +210,53 @@ class Float
 end
 
 class Symbol
-  def ffi_yajl(yajl_gen, state)
+  def ffi_yajl(yajl_gen, _state)
     str = to_s
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, str)
     end
   end
 end
 
 class String
-  def ffi_yajl(yajl_gen, state)
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, self, bytesize) ) != 0
+  def ffi_yajl(yajl_gen, _state)
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, self, bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, self)
     end
   end
 end
 
 class StringIO
-  def ffi_yajl(yajl_gen, state)
+  def ffi_yajl(yajl_gen, _state)
     str = read
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, str)
     end
   end
 end
 
 class Date
-  def ffi_yajl(yajl_gen, state)
+  def ffi_yajl(yajl_gen, _state)
     str = to_s
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, str)
     end
   end
 end
 
 class Time
-  def ffi_yajl(yajl_gen, state)
+  def ffi_yajl(yajl_gen, _state)
     str = strftime "%Y-%m-%d %H:%M:%S %z"
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, str)
     end
   end
 end
 
 class DateTime
-  def ffi_yajl(yajl_gen, state)
+  def ffi_yajl(yajl_gen, _state)
     str = to_s
-    if ( status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize) ) != 0
+    if (status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)) != 0
       FFI_Yajl::Encoder.raise_error_for_status(status, str)
     end
   end
@@ -273,6 +273,6 @@ class Object
       str = to_s
       status = FFI_Yajl.yajl_gen_string(yajl_gen, str, str.bytesize)
     end
-    FFI_Yajl::Encoder.raise_error_for_status(status, str) if ( status ) != 0
+    FFI_Yajl::Encoder.raise_error_for_status(status, str) if (status) != 0
   end
 end
diff --git a/lib/ffi_yajl/ffi/parser.rb b/lib/ffi_yajl/ffi/parser.rb
index 67df934..4f39179 100644
--- a/lib/ffi_yajl/ffi/parser.rb
+++ b/lib/ffi_yajl/ffi/parser.rb
@@ -39,7 +39,7 @@ module FFI_Yajl
       end
 
       def stack_pop
-        set_value( stack.pop ) if stack.length > 1
+        set_value(stack.pop) if stack.length > 1
       end
 
       def key_push
@@ -51,58 +51,58 @@ module FFI_Yajl
       end
 
       def setup_callbacks
-        @null_callback = ::FFI::Function.new(:int, [:pointer]) do |ctx|
+        @null_callback = ::FFI::Function.new(:int, [:pointer]) do |_ctx|
           set_value(nil)
           1
         end
-        @boolean_callback = ::FFI::Function.new(:int, [:pointer, :int]) do |ctx, boolval|
+        @boolean_callback = ::FFI::Function.new(:int, [:pointer, :int]) do |_ctx, boolval|
           set_value(boolval == 1 ? true : false)
           1
         end
-        @integer_callback = ::FFI::Function.new(:int, [:pointer, :long_long]) do |ctx, intval|
+        @integer_callback = ::FFI::Function.new(:int, [:pointer, :long_long]) do |_ctx, intval|
           set_value(intval)
           1
         end
-        @number_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t ]) do |ctx, stringval, stringlen|
+        @number_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t]) do |_ctx, stringval, stringlen|
           s = stringval.slice(0, stringlen)
-          s.force_encoding('UTF-8') if defined? Encoding
+          s.force_encoding("UTF-8") if defined? Encoding
           # XXX: I can't think of a better way to do this right now.  need to call to_f if and only if its a float.
-          v = ( s =~ /[\.eE]/ ) ? s.to_f : s.to_i
+          v = (s =~ /[\.eE]/) ? s.to_f : s.to_i
           set_value(v)
           1
         end
-        @double_callback = ::FFI::Function.new(:int, [:pointer, :double]) do |ctx, doubleval|
+        @double_callback = ::FFI::Function.new(:int, [:pointer, :double]) do |_ctx, doubleval|
           set_value(doubleval)
           1
         end
-        @string_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t]) do |ctx, stringval, stringlen|
+        @string_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t]) do |_ctx, stringval, stringlen|
           s = stringval.slice(0, stringlen)
-          s.force_encoding('UTF-8') if defined? Encoding
+          s.force_encoding("UTF-8") if defined? Encoding
           set_value(s)
           1
         end
-        @start_map_callback = ::FFI::Function.new(:int, [:pointer]) do |ctx|
+        @start_map_callback = ::FFI::Function.new(:int, [:pointer]) do |_ctx|
           key_push  # for key => { } case, save the key
           stack.push({})
           1
         end
-        @map_key_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t]) do |ctx, key, keylen|
+        @map_key_callback = ::FFI::Function.new(:int, [:pointer, :string, :size_t]) do |_ctx, key, keylen|
           s = key.slice(0, keylen)
-          s.force_encoding('UTF-8') if defined? Encoding
+          s.force_encoding("UTF-8") if defined? Encoding
           self.key = @opts[:symbolize_keys] ? s.to_sym : s
           1
         end
-        @end_map_callback = ::FFI::Function.new(:int, [:pointer]) do |ctx|
+        @end_map_callback = ::FFI::Function.new(:int, [:pointer]) do |_ctx|
           key_pop
           stack_pop
           1
         end
-        @start_array_callback = ::FFI::Function.new(:int, [:pointer]) do |ctx|
+        @start_array_callback = ::FFI::Function.new(:int, [:pointer]) do |_ctx|
           key_push  # for key => [ ] case, save the key
           stack.push([])
           1
         end
-        @end_array_callback = ::FFI::Function.new(:int, [:pointer]) do |ctx|
+        @end_array_callback = ::FFI::Function.new(:int, [:pointer]) do |_ctx|
           key_pop
           stack_pop
           1
@@ -143,12 +143,12 @@ module FFI_Yajl
           ::FFI_Yajl.yajl_config(yajl_handle, :yajl_allow_partial_values, :int, 1)
         end
 
-        if ( ::FFI_Yajl.yajl_parse(yajl_handle, str, str.bytesize) != :yajl_status_ok )
+        if (::FFI_Yajl.yajl_parse(yajl_handle, str, str.bytesize) != :yajl_status_ok)
           # FIXME: dup the error and call yajl_free_error?
           error = ::FFI_Yajl.yajl_get_error(yajl_handle, 1, str, str.bytesize)
           raise ::FFI_Yajl::ParseError, error
         end
-        if ( ::FFI_Yajl.yajl_complete_parse(yajl_handle) != :yajl_status_ok )
+        if (::FFI_Yajl.yajl_complete_parse(yajl_handle) != :yajl_status_ok)
           # FIXME: dup the error and call yajl_free_error?
           error = ::FFI_Yajl.yajl_get_error(yajl_handle, 1, str, str.bytesize)
           raise ::FFI_Yajl::ParseError, error
diff --git a/lib/ffi_yajl/map_library_name.rb b/lib/ffi_yajl/map_library_name.rb
index 249116e..83d9e0e 100644
--- a/lib/ffi_yajl/map_library_name.rb
+++ b/lib/ffi_yajl/map_library_name.rb
@@ -20,7 +20,7 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'libyajl2'
+require "libyajl2"
 
 # Mixin for use in finding the right yajl library on the system.  The 'caller'
 # needs to also mixin either the FFI module or the DLopen module.  Those are
@@ -36,7 +36,7 @@ module FFI_Yajl
     # @api private
     # @return Array<String> lower case ruby host_os string
     def host_os
-      RbConfig::CONFIG['host_os'].downcase
+      RbConfig::CONFIG["host_os"].downcase
     end
 
     # Array of yajl library names on the platform.  Some platforms like Windows
@@ -47,13 +47,13 @@ module FFI_Yajl
     def library_names
       case host_os
       when /mingw|mswin/
-        [ "libyajl.so", "yajl.dll" ]
+        ["libyajl.so", "yajl.dll"]
       when /cygwin/
-        [ "libyajl.so", "cygyajl.dll" ]
+        ["libyajl.so", "cygyajl.dll"]
       when /darwin/
-        [ "libyajl.bundle", "libyajl.dylib" ]
+        ["libyajl.bundle", "libyajl.dylib"]
       else
-        [ "libyajl.so" ]
+        ["libyajl.so"]
       end
     end
 
@@ -78,7 +78,7 @@ module FFI_Yajl
     # @api private
     def dlopen_yajl_library
       found = false
-      ( expanded_library_names + library_names ).each do |libname|
+      (expanded_library_names + library_names).each do |libname|
         begin
           dlopen(libname)
           found = true
@@ -103,7 +103,7 @@ module FFI_Yajl
         rescue LoadError
         end
       end
-      ffi_lib 'yajl' unless found
+      ffi_lib "yajl" unless found
     end
   end
 end
diff --git a/spec/ffi_yajl/encoder_spec.rb b/spec/ffi_yajl/encoder_spec.rb
index 91009f4..3e7f410 100644
--- a/spec/ffi_yajl/encoder_spec.rb
+++ b/spec/ffi_yajl/encoder_spec.rb
@@ -21,8 +21,8 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'spec_helper'
-require 'date'
+require "spec_helper"
+require "date"
 
 describe "FFI_Yajl::Encoder" do
   let(:options) { {} }
@@ -30,7 +30,7 @@ describe "FFI_Yajl::Encoder" do
   let(:encoder) { FFI_Yajl::Encoder.new(options) }
 
   it "encodes hashes in keys as strings", ruby_gte_193: true do
-    ruby = { { 'a' => 'b' } => 2 }
+    ruby = { { "a" => "b" } => 2 }
     expect(encoder.encode(ruby)).to eq('{"{\"a\"=>\"b\"}":2}')
   end
 
@@ -77,7 +77,7 @@ describe "FFI_Yajl::Encoder" do
 
   it "encodes an object in a key which has a #to_json method as strings" do
     class Thing
-      def to_json(*a)
+      def to_json(*_a)
         "{}"
       end
     end
@@ -126,40 +126,40 @@ describe "FFI_Yajl::Encoder" do
   end
 
   it "can encode Date objects" do
-    ruby = Date.parse('2001-02-03')
-    expect(encoder.encode(ruby)).to eq( '"2001-02-03"' )
+    ruby = Date.parse("2001-02-03")
+    expect(encoder.encode(ruby)).to eq('"2001-02-03"')
   end
 
   it "can encode StringIOs" do
-    ruby = { "foo" => StringIO.new('THING') }
+    ruby = { "foo" => StringIO.new("THING") }
     expect(encoder.encode(ruby)).to eq("{\"foo\":\"THING\"}")
   end
 
   context "when encoding Time objects in UTC timezone" do
     before do
-      @saved_tz = ENV['TZ']
-      ENV['TZ'] = 'UTC'
+      @saved_tz = ENV["TZ"]
+      ENV["TZ"] = "UTC"
     end
 
     after do
-      ENV['TZ'] = @saved_tz
+      ENV["TZ"] = @saved_tz
     end
 
     it "encodes them correctly" do
       ruby = Time.local(2001, 02, 02, 21, 05, 06)
-      expect(encoder.encode(ruby)).to eq( '"2001-02-02 21:05:06 +0000"' )
+      expect(encoder.encode(ruby)).to eq('"2001-02-02 21:05:06 +0000"')
     end
   end
 
   it "can encode DateTime objects" do
-    ruby = DateTime.parse('2001-02-03T04:05:06.1+07:00')
-    expect(encoder.encode(ruby)).to eq( '"2001-02-03T04:05:06+07:00"' )
+    ruby = DateTime.parse("2001-02-03T04:05:06.1+07:00")
+    expect(encoder.encode(ruby)).to eq('"2001-02-03T04:05:06+07:00"')
   end
 
   describe "testing .to_json for Objects" do
     class NoToJson; end
     class HasToJson
-      def to_json(*args)
+      def to_json(*_args)
         "{}"
       end
     end
@@ -179,10 +179,10 @@ describe "FFI_Yajl::Encoder" do
         "etc" => {
           "passwd" => {
             "root" => { "dir" => "/root", "gid" => 0, "uid" => 0, "shell" => "/bin/sh", "gecos" => "Elan Ruusam\xc3\xa4e" },
-            "glen" => { "dir" => "/home/glen", "gid" => 500, "uid" => 500, "shell" => "/bin/bash", "gecos" => "Elan Ruusam\xE4e" },
-          },
-        },
-      },
+            "glen" => { "dir" => "/home/glen", "gid" => 500, "uid" => 500, "shell" => "/bin/bash", "gecos" => "Elan Ruusam\xE4e" }
+          }
+        }
+      }
     }
 
     it "raises an error on invalid json" do
@@ -197,11 +197,11 @@ describe "FFI_Yajl::Encoder" do
       end
 
       it "returns utf8" do
-        expect( encoder.encode(ruby).encoding ).to eq(Encoding::UTF_8)
+        expect(encoder.encode(ruby).encoding).to eq(Encoding::UTF_8)
       end
 
       it "returns valid utf8" do
-        expect( encoder.encode(ruby).valid_encoding? ).to be true
+        expect(encoder.encode(ruby).valid_encoding?).to be true
       end
     end
   end
diff --git a/spec/ffi_yajl/map_library_name_spec.rb b/spec/ffi_yajl/map_library_name_spec.rb
index 0b5e9cb..b9e9bfe 100644
--- a/spec/ffi_yajl/map_library_name_spec.rb
+++ b/spec/ffi_yajl/map_library_name_spec.rb
@@ -20,24 +20,24 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'spec_helper'
+require "spec_helper"
 
 class Test
   extend FFI_Yajl::MapLibraryName
 end
 
 host_os_library_name_mapping = {
-  "mingw"    => [ "libyajl.so", "yajl.dll" ],
-  "mswin"    => [ "libyajl.so", "yajl.dll" ],
-  "cygwin"   => [ "libyajl.so", "cygyajl.dll" ],
-  "darwin"   => [ "libyajl.bundle", "libyajl.dylib" ],
-  "solaris2" => [ "libyajl.so" ],
-  "linux"    => [ "libyajl.so" ],
-  "aix"      => [ "libyajl.so" ],
-  "hpux"     => [ "libyajl.so" ],
-  "netbsd"   => [ "libyajl.so" ],
-  "openbsd"  => [ "libyajl.so" ],
-  "freebsd"  => [ "libyajl.so" ],
+  "mingw"    => ["libyajl.so", "yajl.dll"],
+  "mswin"    => ["libyajl.so", "yajl.dll"],
+  "cygwin"   => ["libyajl.so", "cygyajl.dll"],
+  "darwin"   => ["libyajl.bundle", "libyajl.dylib"],
+  "solaris2" => ["libyajl.so"],
+  "linux"    => ["libyajl.so"],
+  "aix"      => ["libyajl.so"],
+  "hpux"     => ["libyajl.so"],
+  "netbsd"   => ["libyajl.so"],
+  "openbsd"  => ["libyajl.so"],
+  "freebsd"  => ["libyajl.so"]
 }
 
 describe "FFI_Yajl::MapLibraryName" do
@@ -107,7 +107,7 @@ describe "FFI_Yajl::MapLibraryName" do
           allow(File).to receive(:file?).with(path).and_return(true)
           allow(Test).to receive(:ffi_lib).with(path).and_raise(LoadError)
         end
-        allow(Test).to receive(:ffi_lib).with('yajl').and_return(nil)
+        allow(Test).to receive(:ffi_lib).with("yajl").and_return(nil)
         Test.send(:ffi_open_yajl_library)
       end
     end
diff --git a/spec/ffi_yajl/parser_spec.rb b/spec/ffi_yajl/parser_spec.rb
index 750567f..f40307e 100644
--- a/spec/ffi_yajl/parser_spec.rb
+++ b/spec/ffi_yajl/parser_spec.rb
@@ -21,7 +21,7 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-require 'spec_helper'
+require "spec_helper"
 
 describe "FFI_Yajl::Parser" do
   shared_examples_for "correct json parsing" do
@@ -44,42 +44,42 @@ describe "FFI_Yajl::Parser" do
     context "when parsing bare int" do
       let(:json) { "1" }
       it "should parse to the int value" do
-        expect( parser ).to eq(1)
+        expect(parser).to eq(1)
       end
     end
 
     context "when parsing bare string" do
       let(:json) { '"a"' }
       it "should parse to the string value" do
-        expect( parser ).to eq("a")
+        expect(parser).to eq("a")
       end
     end
 
     context "when parsing bare true" do
       let(:json) { "true" }
       it "should parse to the true value" do
-        expect( parser ).to eq(true)
+        expect(parser).to eq(true)
       end
     end
 
     context "when parsing bare false" do
       let(:json) { "false" }
       it "should parse to the false value" do
-        expect( parser ).to eq(false)
+        expect(parser).to eq(false)
       end
     end
 
     context "when parsing bare null" do
       let(:json) { "null" }
       it "should parse to the nil value" do
-        expect( parser ).to eq(nil)
+        expect(parser).to eq(nil)
       end
     end
 
     context "when parsing bare float" do
       let(:json) { "1.1" }
       it "should parse to the a float" do
-        expect( parser ).to eq(1.1)
+        expect(parser).to eq(1.1)
       end
     end
 
@@ -271,14 +271,14 @@ describe "FFI_Yajl::Parser" do
             Encoding.default_internal = @saved_encoding
           end
           it "encodes keys to UTF-8" do
-            expect(parser.keys.first.encoding).to eql(Encoding.find('utf-8'))
+            expect(parser.keys.first.encoding).to eql(Encoding.find("utf-8"))
           end
           it "encodes values to UTF-8" do
-            expect(parser.values.first.encoding).to eql(Encoding.find('utf-8'))
+            expect(parser.values.first.encoding).to eql(Encoding.find("utf-8"))
           end
         end
 
-        %w{utf-8 us-ascii}.each do |encoding|
+        %w[utf-8 us-ascii].each do |encoding|
           context "when Encoding.default_internal is #{encoding}" do
             before do
               @saved_encoding = Encoding.default_internal
@@ -349,7 +349,7 @@ describe "FFI_Yajl::Parser" do
     # NOTE: we are choosing to be compatible with yajl-ruby here vs. JSON
     # gem and libyajl C behavior (which is to throw an exception in this case)
     context "when the JSON is empty string" do
-      let(:json) { '' }
+      let(:json) { "" }
 
       it "returns nil" do
         expect(parser).to be_nil
@@ -402,7 +402,7 @@ describe "FFI_Yajl::Parser" do
       let(:json) { '{"München": "Bayern"}' }
 
       it "correctly parses" do
-        expect(parser).to eql( "München" => "Bayern" )
+        expect(parser).to eql("München" => "Bayern")
       end
     end
 
@@ -411,7 +411,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 3.14159265358979}' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 3.14159265358979 )
+          expect(parser).to eql("foo" => 3.14159265358979)
         end
       end
 
@@ -419,7 +419,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo":-2.00231930436153}' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => -2.00231930436153 )
+          expect(parser).to eql("foo" => -2.00231930436153)
         end
       end
 
@@ -427,7 +427,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 1.602176565E-19}' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 1.602176565e-19 )
+          expect(parser).to eql("foo" => 1.602176565e-19)
         end
       end
 
@@ -435,7 +435,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 6.6260689633e-34 }' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 6.6260689633e-34 )
+          expect(parser).to eql("foo" => 6.6260689633e-34)
         end
       end
 
@@ -443,7 +443,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 6.0221413E+23}' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 6.0221413e+23 )
+          expect(parser).to eql("foo" => 6.0221413e+23)
         end
       end
 
@@ -451,7 +451,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 8.9875517873681764e+9 }' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 8.9875517873681764e+9 )
+          expect(parser).to eql("foo" => 8.9875517873681764e+9)
         end
       end
 
@@ -459,7 +459,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 2.99792458E8  }' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 2.99792458e+8 )
+          expect(parser).to eql("foo" => 2.99792458e+8)
         end
       end
 
@@ -467,7 +467,7 @@ describe "FFI_Yajl::Parser" do
         let(:json) { '{"foo": 1.0973731568539e7 }' }
 
         it "correctly parses" do
-          expect(parser).to eql( "foo" => 1.0973731568539e+7 )
+          expect(parser).to eql("foo" => 1.0973731568539e+7)
         end
       end
     end
@@ -475,7 +475,7 @@ describe "FFI_Yajl::Parser" do
     # NOTE: parsing floats with 8 million digits on windows has some kind of huge
     #       perf issues likely in ruby and/or the underlying windows libs
     context "when parsing big floats", ruby_gte_193: true, unix_only: true do
-      let(:json) { '[0.' + '1' * 2**23 + ']' }
+      let(:json) { "[0." + "1" * 2**23 + "]" }
 
       it "parses" do
         expect { parser }.not_to raise_error
@@ -483,7 +483,7 @@ describe "FFI_Yajl::Parser" do
     end
 
     context "when parsing long hash keys with symbolize_keys option", ruby_gte_193: true do
-      let(:json) { '{"' + 'a' * 2**23 + '": 0}' }
+      let(:json) { '{"' + "a" * 2**23 + '": 0}' }
       let(:options) { { symbolize_keys: true } }
 
       it "parses" do
@@ -494,7 +494,7 @@ describe "FFI_Yajl::Parser" do
     context "should ignore repeated keys by default" do
       let(:json) { '{"foo":"bar","foo":"baz"}' }
       it "should replace the first hash key with the second" do
-        expect(parser).to eql( "foo" => "baz" )
+        expect(parser).to eql("foo" => "baz")
       end
     end
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 9ec853d..1858417 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -20,24 +20,24 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-$LOAD_PATH << File.expand_path(File.join(File.dirname( __FILE__ ), "../lib"))
+$LOAD_PATH << File.expand_path(File.join(File.dirname(__FILE__), "../lib"))
 
 # load yajl-ruby into the same process (tests that both c-libs can be
 # linked in the same process).  this should work, see:
 # http://stackoverflow.com/questions/3232822/linking-with-multiple-versions-of-a-library
 begin
-  require 'yajl'
+  require "yajl"
 rescue LoadError
-  puts 'WARN: yajl cannot be loaded, expected if this is jruby'
+  puts "WARN: yajl cannot be loaded, expected if this is jruby"
 end
 
-require 'ffi_yajl'
+require "ffi_yajl"
 
 RSpec.configure do |conf|
   conf.filter_run_excluding unix_only: true unless RUBY_PLATFORM !~ /mswin|mingw|windows/
   conf.filter_run_excluding ruby_gte_193: true unless RUBY_VERSION.to_f >= 2.0 || RUBY_VERSION =~ /^1\.9\.3/
 
-  conf.order = 'random'
+  conf.order = "random"
 
   conf.expect_with :rspec do |rspec|
     rspec.syntax = :expect