fix rubocop Style/ParenthesesAroundCondition cop

.rubocop_rubyzip.yml

@@ -239,12 +239,6 @@ Style/Not:
 Style/NumericLiterals:
   MinDigits: 12
 
-# Offense count: 15
-# Cop supports --auto-correct.
-# Configuration parameters: AllowSafeAssignment.
-Style/ParenthesesAroundCondition:
-  Enabled: false
-
 # Offense count: 3
 # Cop supports --auto-correct.
 # Configuration parameters: PreferredDelimiters.

lib/zip/entry.rb

@@ -399,7 +399,7 @@ module Zip
     end
 
     def set_extra_attributes_on_path(dest_path) # :nodoc:
-      return unless (file? || directory?)
+      return unless file? || directory?
 
       case @fstype
       when ::Zip::FSTYPE_UNIX

lib/zip/extra_field/old_unix.rb

@@ -18,7 +18,7 @@ module Zip
       return if binstr.empty?
       size, content = initial_parse(binstr)
       # size: 0 for central directory. 4 for local header
-      return if (!size || size == 0)
+      return if !size || size == 0
       atime, mtime, uid, gid = content.unpack('VVvv')
       @uid ||= uid
       @gid ||= gid

lib/zip/extra_field/unix.rb

@@ -16,7 +16,7 @@ module Zip
       return if binstr.empty?
       size, content = initial_parse(binstr)
       # size: 0 for central directory. 4 for local header
-      return if (!size || size == 0)
+      return if !size || size == 0
       uid, gid = content.unpack('vv')
       @uid     ||= uid
       @gid     ||= gid

lib/zip/inflater.rb

@@ -20,7 +20,7 @@ module Zip
     end
 
     def produce_input
-      if (@output_buffer.empty?)
+      if @output_buffer.empty?
         internal_produce_input
       else
         @output_buffer.slice!(0...(@output_buffer.length))

lib/zip/streamable_directory.rb

@@ -4,8 +4,8 @@ module Zip
       super(zipfile, entry)
 
       @ftype = :directory
-      entry.get_extra_attributes_from_path(srcPath) if (srcPath)
-      @unix_perms = permissionInt if (permissionInt)
+      entry.get_extra_attributes_from_path(srcPath) if srcPath
+      @unix_perms = permissionInt if permissionInt
     end
   end
 end

samples/qtzip.rb

@@ -55,7 +55,7 @@ class ZipDialog < ZipDialogUI
     selected_items = []
     unselected_items = []
     lv_item = entry_list_view.first_child
-    while (lv_item)
+    while lv_item
       if entry_list_view.is_selected(lv_item)
         selected_items << lv_item.text(0)
       else
@@ -69,7 +69,7 @@ class ZipDialog < ZipDialogUI
     puts "items.size = #{items.size}"
 
     d = Qt::FileDialog.get_existing_directory(nil, self)
-    if (!d)
+    if !d
       puts 'No directory chosen'
     else
       zipfile { |zf| items.each { |e| zf.extract(e, File.join(d, e)) } }

test/gentestfiles.rb

@@ -35,13 +35,13 @@ class TestFiles
 
     def create_random_ascii(filename, size)
       File.open(filename, 'wb') do |file|
-        file << rand while (file.tell < size)
+        file << rand while file.tell < size
       end
     end
 
     def create_random_binary(filename, size)
       File.open(filename, 'wb') do |file|
-        file << [rand].pack('V') while (file.tell < size)
+        file << [rand].pack('V') while file.tell < size
       end
     end
 
@@ -78,7 +78,7 @@ class TestZipFile
     ziptestTxt=''
     File.open('test/data/file2.txt') { |file| ziptestTxt=file.read }
     File.open('test/data/generated/longAscii.txt', 'w') do |file|
-      file << ziptestTxt while (file.tell < 1E5)
+      file << ziptestTxt while file.tell < 1E5
     end
 
     testBinaryPattern=''
@@ -86,7 +86,7 @@ class TestZipFile
     testBinaryPattern *= 4
 
     File.open('test/data/generated/longBinary.bin', 'wb') do |file|
-      file << testBinaryPattern << rand << "\0" while (file.tell < 6E5)
+      file << testBinaryPattern << rand << "\0" while file.tell < 6E5
     end
 
     raise "failed to create test zip '#{TEST_ZIP2.zip_name}'" unless system("/usr/bin/zip #{TEST_ZIP2.zip_name} #{TEST_ZIP2.entry_names.join(' ')}")

test/test_helper.rb

@@ -36,7 +36,7 @@ module IOizeString
     else
       raise 'Error in test method IOizeString::seek'
     end
-    if (newPos < 0 || newPos >= size)
+    if newPos < 0 || newPos >= size
       raise Errno::EINVAL
     else
       @tell=newPos
@@ -99,7 +99,7 @@ module AssertEntry
       expected = file.read
       actual = zis.read
       if (expected != actual)
-        if ((expected && actual) && (expected.length > 400 || actual.length > 400))
+        if (expected && actual) && (expected.length > 400 || actual.length > 400)
           zipEntryFilename=entryName+'.zipEntry'
           File.open(zipEntryFilename, 'wb') { |entryfile| entryfile << actual }
           fail("File '#{filename}' is different from '#{zipEntryFilename}'")
@@ -114,7 +114,7 @@ module AssertEntry
     fileContents = ''
     File.open(filename, 'rb') { |f| fileContents = f.read }
     if (fileContents != aString)
-      if (fileContents.length > 400 || aString.length > 400)
+      if fileContents.length > 400 || aString.length > 400
         stringFile = filename + '.other'
         File.open(stringFile, 'wb') { |f| f << aString }
         fail("File '#{filename}' is different from contents of string stored in '#{stringFile}'")