Update to ruby/spec@c1b568b

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/enumerable/all_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#all?" do
 

spec/ruby/core/enumerable/any_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#any?" do
   before :each do

spec/ruby/core/enumerable/chunk_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#chunk" do
   before do

spec/ruby/core/enumerable/chunk_while_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 ruby_version_is "2.3" do
   describe "Enumerable#chunk_while" do

spec/ruby/core/enumerable/collect_concat_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/collect_concat', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/collect_concat'
 
 describe "Enumerable#collect_concat" do
   it_behaves_like :enumerable_collect_concat , :collect_concat

spec/ruby/core/enumerable/collect_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/collect', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/collect'
 
 describe "Enumerable#collect" do
   it_behaves_like :enumerable_collect , :collect

spec/ruby/core/enumerable/count_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#count" do
   before :each do

spec/ruby/core/enumerable/cycle_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumeratorized'
 
 describe "Enumerable#cycle" do
   describe "passed no argument or nil" do

spec/ruby/core/enumerable/detect_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/find', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/find'
 
 describe "Enumerable#detect" do
   it_behaves_like :enumerable_find , :detect

spec/ruby/core/enumerable/drop_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#drop" do
   before :each do

spec/ruby/core/enumerable/drop_while_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#drop_while" do
   before :each do

spec/ruby/core/enumerable/each_cons_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumeratorized'
 
 describe "Enumerable#each_cons" do
   before :each do

spec/ruby/core/enumerable/each_entry_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#each_entry" do
   before :each do

spec/ruby/core/enumerable/each_slice_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumeratorized'
 
 describe "Enumerable#each_slice" do
   before :each do

spec/ruby/core/enumerable/each_with_index_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#each_with_index" do
 

spec/ruby/core/enumerable/each_with_object_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#each_with_object" do
   before :each do

spec/ruby/core/enumerable/entries_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/entries', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/entries'
 
 describe "Enumerable#entries" do
   it_behaves_like :enumerable_entries , :entries

spec/ruby/core/enumerable/filter_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/find_all', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/find_all'
 
 ruby_version_is "2.6" do
   describe "Enumerable#filter" do

spec/ruby/core/enumerable/find_all_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/find_all', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/find_all'
 
 describe "Enumerable#find_all" do
   it_behaves_like :enumerable_find_all , :find_all

spec/ruby/core/enumerable/find_index_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#find_index" do
   before :each do

spec/ruby/core/enumerable/find_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/find', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/find'
 
 describe "Enumerable#find" do
   it_behaves_like :enumerable_find , :find

spec/ruby/core/enumerable/first_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/take', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/take'
 
 describe "Enumerable#first" do
   it "returns the first element" do

spec/ruby/core/enumerable/flat_map_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/collect_concat', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/collect_concat'
 
 describe "Enumerable#flat_map" do
   it_behaves_like :enumerable_collect_concat , :flat_map

spec/ruby/core/enumerable/grep_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#grep" do
   before :each do

spec/ruby/core/enumerable/grep_v_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 ruby_version_is "2.3" do
   describe "Enumerable#grep_v" do

spec/ruby/core/enumerable/group_by_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#group_by" do
   it "returns a hash with values grouped according to the block" do

spec/ruby/core/enumerable/include_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/include', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/include'
 
 describe "Enumerable#include?" do
   it_behaves_like :enumerable_include, :include?

spec/ruby/core/enumerable/inject_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/inject', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/inject'
 
 describe "Enumerable#inject" do
   it_behaves_like :enumerable_inject, :inject

spec/ruby/core/enumerable/lazy_spec.rb

@@ -1,7 +1,7 @@
 # -*- encoding: us-ascii -*-
 
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#lazy" do
   it "returns an instance of Enumerator::Lazy" do

spec/ruby/core/enumerable/map_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/collect', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/collect'
 
 describe "Enumerable#map" do
   it_behaves_like :enumerable_collect , :map

spec/ruby/core/enumerable/max_by_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#max_by" do
   it "returns an enumerator if no block" do

spec/ruby/core/enumerable/max_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#max" do
   before :each do

spec/ruby/core/enumerable/member_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/include', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/include'
 
 describe "Enumerable#member?" do
   it_behaves_like :enumerable_include, :member?

spec/ruby/core/enumerable/min_by_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#min_by" do
   it "returns an enumerator if no block" do

spec/ruby/core/enumerable/min_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#min" do
   before :each do

spec/ruby/core/enumerable/minmax_by_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#minmax_by" do
   it "returns an enumerator if no block" do

spec/ruby/core/enumerable/minmax_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#minmax" do
   before :each do

spec/ruby/core/enumerable/none_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#none?" do
   it "returns true if none of the elements in self are true" do

spec/ruby/core/enumerable/one_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#one?" do
   describe "when passed a block" do

spec/ruby/core/enumerable/partition_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#partition" do
   it "returns two arrays, the first containing elements for which the block is true, the second containing the rest" do

spec/ruby/core/enumerable/reduce_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/inject', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/inject'
 
 describe "Enumerable#reduce" do
   it_behaves_like :enumerable_inject, :reduce

spec/ruby/core/enumerable/reject_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#reject" do
   it "returns an array of the elements for which block is false" do

spec/ruby/core/enumerable/reverse_each_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#reverse_each" do
   it "traverses enum in reverse order and pass each element to block" do

spec/ruby/core/enumerable/select_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/find_all', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/find_all'
 
 describe "Enumerable#select" do
   it_behaves_like :enumerable_find_all , :select

spec/ruby/core/enumerable/shared/collect.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../enumerable_enumeratorized', __FILE__)
+require_relative 'enumerable_enumeratorized'
 
 describe :enumerable_collect, shared: true do
   before :each do

spec/ruby/core/enumerable/shared/collect_concat.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../enumerable_enumeratorized', __FILE__)
+require_relative 'enumerable_enumeratorized'
 
 describe :enumerable_collect_concat, shared: true do
   it "yields elements to the block and flattens one level" do

spec/ruby/core/enumerable/shared/enumerable_enumeratorized.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../enumeratorized', __FILE__)
+require_relative 'enumeratorized'
 
 describe :enumerable_enumeratorized_with_unknown_size, shared: true do
   describe "Enumerable with size" do

spec/ruby/core/enumerable/shared/find.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../enumerable_enumeratorized', __FILE__)
+require_relative 'enumerable_enumeratorized'
 
 describe :enumerable_find, shared: true do
   # #detect and #find are aliases, so we only need one function

spec/ruby/core/enumerable/shared/find_all.rb

@@ -1,4 +1,4 @@
-require File.expand_path('../enumerable_enumeratorized', __FILE__)
+require_relative 'enumerable_enumeratorized'
 
 describe :enumerable_find_all, shared: true do
   before :each do

spec/ruby/core/enumerable/slice_after_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#slice_after" do
   before :each do

spec/ruby/core/enumerable/slice_before_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#slice_before" do
   before :each do

spec/ruby/core/enumerable/slice_when_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#slice_when" do
   before :each do

spec/ruby/core/enumerable/sort_by_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#sort_by" do
   it "returns an array of elements ordered by the result of block" do

spec/ruby/core/enumerable/sort_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#sort" do
   it "sorts by the natural order as defined by <=>" do

spec/ruby/core/enumerable/sum_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 ruby_version_is '2.4' do
   describe 'Enumerable#sum' do

spec/ruby/core/enumerable/take_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/take', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/take'
 
 describe "Enumerable#take" do
   it "requires an argument" do

spec/ruby/core/enumerable/take_while_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
 
 describe "Enumerable#take_while" do
   before :each do

spec/ruby/core/enumerable/to_a_spec.rb

@@ -1,6 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/entries', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/entries'
 
 describe "Enumerable#to_a" do
   it_behaves_like :enumerable_entries , :to_a

spec/ruby/core/enumerable/to_h_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#to_h" do
   it "converts empty enumerable to empty hash" do

spec/ruby/core/enumerable/uniq_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 ruby_version_is '2.4' do
   describe 'Enumerable#uniq' do

spec/ruby/core/enumerable/zip_spec.rb

@@ -1,5 +1,5 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Enumerable#zip" do