Drop support for ruby 2.4 from ruby/spec

Merged: https://github.com/ruby/ruby/pull/2892

.travis.yml

@@ -360,17 +360,17 @@ env:
         -Wunused-variable'
       - LDFLAGS=-Wno-unused-command-line-argument
 
-  - &rubyspec24
-    name: Check ruby/spec version guards on Ruby 2.4
+  - &rubyspec25
+    name: Check ruby/spec version guards on Ruby 2.5
     language: ruby
-    rvm: 2.4.9
+    rvm: 2.5.7
     before_install:
     install:
     before_script: chmod -R u+w spec/ruby
     # -j randomly hangs.
     script: ruby -C spec/ruby ../mspec/bin/mspec .
     after_failure:
-      - echo "ruby/spec failed on Ruby 2.4. This is likely because of a missing ruby_version_is guard, please add it. See spec/README.md."
+      - echo "ruby/spec failed on Ruby 2.5. This is likely because of a missing ruby_version_is guard, please add it. See spec/README.md."
 
   - &rubyspec27
     name: Check ruby/spec version guards on Ruby 2.7
@@ -435,7 +435,7 @@ matrix:
     - <<: *pedanticism
     - <<: *assertions
     - <<: *baseruby
-    - <<: *rubyspec24
+    - <<: *rubyspec25
     - <<: *rubyspec27
     - <<: *dependency
     # Build every commit (Allowed Failures):

spec/mspec/README.md

@@ -38,7 +38,7 @@ specs in a manner compatible with multiple Ruby implementations.
 
 ## Requirements
 
-MSpec requires Ruby 2.4 or more recent.
+MSpec requires Ruby 2.5 or more recent.
 
 ## Bundler
 

spec/mspec/lib/mspec/utils/script.rb

@@ -39,8 +39,8 @@ class MSpecScript
   end
 
   def initialize
-    ruby_version_is ""..."2.4" do
-      abort "MSpec needs Ruby 2.4 or more recent"
+    ruby_version_is ""..."2.5" do
+      abort "MSpec needs Ruby 2.5 or more recent"
     end
 
     config[:formatter] = nil

spec/mspec/lib/mspec/utils/warnings.rb

@@ -1,20 +1,6 @@
 require 'mspec/guards/version'
 
 if RUBY_ENGINE == "ruby"
-  ruby_version_is "2.4"..."2.5" do
-    # Kernel#warn does not delegate to Warning.warn in 2.4
-    module Kernel
-      remove_method :warn
-      def warn(*messages)
-        return if $VERBOSE == nil or messages.empty?
-        msg = messages.join("\n")
-        msg += "\n" unless msg.end_with?("\n")
-        Warning.warn(msg)
-      end
-      private :warn
-    end
-  end
-
   def Warning.warn(message)
     # Suppress any warning inside the method to prevent recursion
     verbose = $VERBOSE

spec/ruby/.rubocop.yml

@@ -1,7 +1,7 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.5
   DisplayCopNames: true
   Exclude:
     - command_line/fixtures/bad_syntax.rb

spec/ruby/CONTRIBUTING.md

@@ -133,12 +133,12 @@ Here is a list of the most commonly-used guards:
 #### Version guards
 
 ```ruby
-ruby_version_is ""..."2.4" do
-  # Specs for RUBY_VERSION < 2.4
+ruby_version_is ""..."2.6 do
+  # Specs for RUBY_VERSION < 2.6
 end
 
-ruby_version_is "2.4" do
-  # Specs for RUBY_VERSION >= 2.4
+ruby_version_is "2.6 do
+  # Specs for RUBY_VERSION >= 2.6
 end
 ```
 
@@ -185,11 +185,11 @@ end
 #### Combining guards
 
 ```ruby
-guard -> { platform_is :windows and ruby_version_is ""..."2.5" } do
-  # Windows and RUBY_VERSION < 2.5
+guard -> { platform_is :windows and ruby_version_is ""..."2.6" } do
+  # Windows and RUBY_VERSION < 2.6
 end
 
-guard_not -> { platform_is :windows and ruby_version_is ""..."2.5" } do
+guard_not -> { platform_is :windows and ruby_version_is ""..."2.6" } do
   # The opposite
 end
 ```

spec/ruby/README.md

@@ -27,8 +27,8 @@ ruby/spec is known to be tested in these implementations for every commit:
 * [TruffleRuby](https://github.com/oracle/truffleruby/tree/master/spec/ruby)
 * [Opal](https://github.com/opal/opal/tree/master/spec)
 
-ruby/spec describes the behavior of Ruby 2.4 and more recent Ruby versions.
-More precisely, every latest stable MRI release should [pass](https://travis-ci.org/ruby/spec) all specs of ruby/spec (2.4.x, 2.5.x, 2.6.x, 2.7.x, etc), and those are tested in TravisCI.
+ruby/spec describes the behavior of Ruby 2.5 and more recent Ruby versions.
+More precisely, every latest stable MRI release should [pass](https://travis-ci.org/ruby/spec) all specs of ruby/spec (2.5.x, 2.6.x, 2.7.x, etc), and those are tested in TravisCI.
 
 The specs are synchronized both ways around once a month by @eregon between ruby/spec, MRI, JRuby and TruffleRuby.
 Each of these repositories has a full copy of the specs under `spec/ruby` to ease editing specs.
@@ -49,6 +49,8 @@ For older specs try these commits:
 * Ruby 2.1.9 - [Suite](https://github.com/ruby/spec/commit/f029e65241374386077ac500add557ae65069b55) using [MSpec](https://github.com/ruby/mspec/commit/55568ea3918c6380e64db8c567d732fa5781efed)
 * Ruby 2.2.10 - [Suite](https://github.com/ruby/spec/commit/cbaa0e412270c944df0c2532fc500c920dba0e92) using [MSpec](https://github.com/ruby/mspec/commit/d84d7668449e96856c5f6bac8cb1526b6d357ce3)
 * Ruby 2.3.8 - [Suite](https://github.com/ruby/spec/commit/dc733114d8ae66a3368ba3a98422c50147a76ba5) using [MSpec](https://github.com/ruby/mspec/commit/4599bc195fb109f2a482a01c32a7d659518369ea)
+* Ruby 2.4.10 - [Suite](https://github.com/ruby/spec/commit/f03892a0a9cac6972e0aa6f83cb08bb8e9b5739c) using [MSpec](https://github.com/ruby/mspec/commit/18fd75a7b4853d79d8148f6a503f99733be91712)
+* Ruby 2.5.8 - [Suite](https://github.com/ruby/spec/commit/f03892a0a9cac6972e0aa6f83cb08bb8e9b5739c) using [MSpec](https://github.com/ruby/mspec/commit/18fd75a7b4853d79d8148f6a503f99733be91712)
 
 ### Running the specs
 

spec/ruby/command_line/dash_l_spec.rb

@@ -11,13 +11,11 @@ describe "The -l command line option" do
         "false\nfalse\nfalse\n"
   end
 
-  ruby_version_is "2.5" do
   it "chomps last line based on $/" do
     ruby_exe('BEGIN { $/ = "ones\n" }; puts $_', options: "-W0 -n -l", escape: true,
              args: " < #{@names}").should ==
       "alice j\nbob field\njames grey\n"
   end
-  end
 
   it "sets $\\ to the value of $/" do
     ruby_exe("puts $\\ == $/", options: "-W0 -n -l", escape: true,

spec/ruby/core/array/append_spec.rb

@@ -35,8 +35,6 @@ describe "Array#<<" do
   end
 end
 
-ruby_version_is "2.5" do
 describe "Array#append" do
   it_behaves_like :array_push, :append
 end
-end

spec/ruby/core/array/flatten_spec.rb

@@ -109,21 +109,11 @@ describe "Array#flatten" do
       -> { [@obj].flatten }.should raise_error(TypeError)
     end
 
-    ruby_version_is ""..."2.5" do
-      it "calls respond_to_missing?(:to_ary, false) to try coercing" do
-        def @obj.respond_to_missing?(*args) ScratchPad << args; false end
-        [@obj].flatten.should == [@obj]
-        ScratchPad.recorded.should == [[:to_ary, false]]
-      end
-    end
-
-    ruby_version_is "2.5" do
     it "calls respond_to_missing?(:to_ary, true) to try coercing" do
       def @obj.respond_to_missing?(*args) ScratchPad << args; false end
       [@obj].flatten.should == [@obj]
       ScratchPad.recorded.should == [[:to_ary, true]]
     end
-    end
 
     it "does not call #to_ary if not defined when #respond_to_missing? returns false" do
       def @obj.respond_to_missing?(name, priv) ScratchPad << name; false end

spec/ruby/core/array/prepend_spec.rb

@@ -2,8 +2,6 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 require_relative 'shared/unshift'
 
-ruby_version_is "2.5" do
 describe "Array#prepend" do
   it_behaves_like :array_unshift, :prepend
 end
-end

spec/ruby/core/binding/irb_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Binding#irb" do
   it "creates an IRB session with the binding in scope" do
     irb_fixture = fixture __FILE__, "irb.rb"
@@ -15,4 +14,3 @@ ruby_version_is "2.5" do
     out[-3..-1].should == ["a ** 2", "100", "exit"]
   end
 end
-end

spec/ruby/core/data/constants_spec.rb

@@ -7,9 +7,7 @@ describe "Data" do
     end
   end
 
-  ruby_version_is "2.5" do
   it "is deprecated" do
     -> { Data }.should complain(/constant ::Data is deprecated/)
   end
 end
-end

spec/ruby/core/dir/children_spec.rb

@@ -3,7 +3,6 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/common'
 
-ruby_version_is "2.5" do
 describe "Dir.children" do
   before :all do
     DirSpecs.create_mock_dirs
@@ -69,7 +68,6 @@ ruby_version_is "2.5" do
     -> { Dir.children DirSpecs.nonexistent }.should raise_error(SystemCallError)
   end
 end
-end
 
 ruby_version_is "2.6" do
   describe "Dir#children" do

spec/ruby/core/dir/each_child_spec.rb

@@ -1,7 +1,6 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/common'
 
-ruby_version_is "2.5" do
 describe "Dir.each_child" do
   before :all do
     DirSpecs.create_mock_dirs
@@ -50,7 +49,6 @@ ruby_version_is "2.5" do
     end
   end
 end
-end
 
 ruby_version_is "2.6" do
   describe "Dir#each_child" do

spec/ruby/core/dir/shared/glob.rb

@@ -291,7 +291,6 @@ describe :dir_glob, shared: true do
     end
   end
 
-  ruby_version_is "2.5" do
   context ":base option passed" do
     before :each do
       @mock_dir = File.expand_path tmp('dir_glob_mock')
@@ -362,7 +361,6 @@ describe :dir_glob, shared: true do
     end
   end
 end
-end
 
 describe :dir_glob_recursive, shared: true do
   before :each do

spec/ruby/core/enumerable/all_spec.rb

@@ -26,15 +26,6 @@ describe "Enumerable#all?" do
     -> { {}.all?(1, 2, 3) }.should raise_error(ArgumentError)
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises an ArgumentError when any arguments provided" do
-      -> { @enum.all?(Proc.new {}) }.should raise_error(ArgumentError)
-      -> { @enum.all?(nil) }.should raise_error(ArgumentError)
-      -> { @empty.all?(1) }.should raise_error(ArgumentError)
-      -> { @enum1.all?(1) {} }.should raise_error(ArgumentError)
-    end
-  end
-
   it "does not hide exceptions out of #each" do
     -> {
       EnumerableSpecs::ThrowingEach.new.all?
@@ -133,7 +124,6 @@ describe "Enumerable#all?" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe 'when given a pattern argument' do
     it "calls `===` on the pattern the return value " do
       pattern = EnumerableSpecs::Pattern.new { |x| x >= 0 }
@@ -198,4 +188,3 @@ describe "Enumerable#all?" do
     end
   end
 end
-end

spec/ruby/core/enumerable/any_spec.rb

@@ -26,15 +26,6 @@ describe "Enumerable#any?" do
     -> { {}.any?(1, 2, 3) }.should raise_error(ArgumentError)
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises an ArgumentError when any arguments provided" do
-      -> { @enum.any?(Proc.new {}) }.should raise_error(ArgumentError)
-      -> { @enum.any?(nil) }.should raise_error(ArgumentError)
-      -> { @empty.any?(1) }.should raise_error(ArgumentError)
-      -> { @enum1.any?(1) {} }.should raise_error(ArgumentError)
-    end
-  end
-
   it "does not hide exceptions out of #each" do
     -> {
       EnumerableSpecs::ThrowingEach.new.any?
@@ -147,7 +138,6 @@ describe "Enumerable#any?" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe 'when given a pattern argument' do
     it "calls `===` on the pattern the return value " do
       pattern = EnumerableSpecs::Pattern.new { |x| x == 2 }
@@ -211,4 +201,3 @@ describe "Enumerable#any?" do
     end
   end
 end
-end

spec/ruby/core/enumerable/none_spec.rb

@@ -20,15 +20,6 @@ describe "Enumerable#none?" do
     -> { {}.none?(1, 2, 3) }.should raise_error(ArgumentError)
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises an ArgumentError when any arguments provided" do
-      -> { @enum.none?(Proc.new {}) }.should raise_error(ArgumentError)
-      -> { @enum.none?(nil) }.should raise_error(ArgumentError)
-      -> { @empty.none?(1) }.should raise_error(ArgumentError)
-      -> { @enum.none?(1) {} }.should raise_error(ArgumentError)
-    end
-  end
-
   it "does not hide exceptions out of #each" do
     -> {
       EnumerableSpecs::ThrowingEach.new.none?
@@ -102,7 +93,6 @@ describe "Enumerable#none?" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe 'when given a pattern argument' do
     it "calls `===` on the pattern the return value " do
       pattern = EnumerableSpecs::Pattern.new { |x| x == 3 }
@@ -164,4 +154,3 @@ describe "Enumerable#none?" do
     end
   end
 end
-end

spec/ruby/core/enumerable/one_spec.rb

@@ -20,15 +20,6 @@ describe "Enumerable#one?" do
     -> { {}.one?(1, 2, 3) }.should raise_error(ArgumentError)
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises an ArgumentError when any arguments provided" do
-      -> { @enum.one?(Proc.new {}) }.should raise_error(ArgumentError)
-      -> { @enum.one?(nil) }.should raise_error(ArgumentError)
-      -> { @empty.one?(1) }.should raise_error(ArgumentError)
-      -> { @enum.one?(1) {} }.should raise_error(ArgumentError)
-    end
-  end
-
   it "does not hide exceptions out of #each" do
     -> {
       EnumerableSpecs::ThrowingEach.new.one?
@@ -93,7 +84,6 @@ describe "Enumerable#one?" do
   end
 
 
-  ruby_version_is "2.5" do
   describe 'when given a pattern argument' do
     it "calls `===` on the pattern the return value " do
       pattern = EnumerableSpecs::Pattern.new { |x| x == 1 }
@@ -166,4 +156,3 @@ describe "Enumerable#one?" do
     end
   end
 end
-end

spec/ruby/core/exception/full_message_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Exception#full_message" do
   it "returns formatted string of exception using the same format that is used to print an uncaught exceptions to stderr" do
     e = RuntimeError.new("Some runtime error")
@@ -91,4 +90,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/exception/hierarchy_spec.rb

@@ -37,7 +37,9 @@ describe "Exception" do
             FloatDomainError => nil,
           },
           RegexpError => nil,
-          RuntimeError => nil,
+          RuntimeError => {
+            FrozenError => nil,
+          },
           SystemCallError => nil,
           ThreadError => nil,
           TypeError => nil,
@@ -47,9 +49,7 @@ describe "Exception" do
         SystemStackError => nil,
       },
     }
-    ruby_version_is "2.5" do
-      hierarchy[Exception][StandardError][RuntimeError] = {FrozenError => nil}
-    end
+
     traverse = -> parent_class, parent_subclass_hash {
       parent_subclass_hash.each do |child_class, child_subclass_hash|
         child_class.class.should == Class

spec/ruby/core/file/atime_spec.rb

@@ -15,7 +15,7 @@ describe "File.atime" do
     File.atime(@file).should be_kind_of(Time)
   end
 
-  guard -> { platform_is :linux or (platform_is :windows and ruby_version_is '2.5') } do
+  guard -> { platform_is :linux or platform_is :windows } do
     ## NOTE also that some Linux systems disable atime (e.g. via mount params) for better filesystem speed.
     it "returns the last access time for the named file with microseconds" do
       supports_subseconds = Integer(`stat -c%x '#{__FILE__}'`[/\.(\d+)/, 1], 10)

spec/ruby/core/file/ctime_spec.rb

@@ -14,7 +14,7 @@ describe "File.ctime" do
     File.ctime(@file).should be_kind_of(Time)
   end
 
-  guard -> { platform_is :linux or (platform_is :windows and ruby_version_is '2.5') } do
+  guard -> { platform_is :linux or platform_is :windows } do
     it "returns the change time for the named file (the time at which directory information about the file was changed, not the file itself) with microseconds." do
       supports_subseconds = Integer(`stat -c%z '#{__FILE__}'`[/\.(\d+)/, 1], 10)
       if supports_subseconds != 0

spec/ruby/core/file/lutime_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "File.lutime" do
   platform_is_not :windows do
     before :each do
@@ -37,4 +36,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/file/mtime_spec.rb

@@ -15,7 +15,7 @@ describe "File.mtime" do
     File.mtime(@filename).should be_close(@mtime, TIME_TOLERANCE)
   end
 
-  guard -> { platform_is :linux or (platform_is :windows and ruby_version_is '2.5') } do
+  guard -> { platform_is :linux or platform_is :windows } do
     it "returns the modification Time of the file with microseconds" do
       supports_subseconds = Integer(`stat -c%y '#{__FILE__}'`[/\.(\d+)/, 1], 10)
       if supports_subseconds != 0

spec/ruby/core/file/open_spec.rb

@@ -623,13 +623,11 @@ describe "File.open" do
     end
   end
 
-  ruby_version_is "2.5" do
   it "raises ArgumentError if mixing :newline and binary mode" do
     -> {
       File.open(@file, "rb", newline: :universal) {}
     }.should raise_error(ArgumentError, "newline decorator with binary mode")
   end
-  end
 
   ruby_version_is "2.6" do
     context "'x' flag" do

spec/ruby/core/file/shared/path.rb

@@ -50,7 +50,6 @@ describe :file_path, shared: true do
     @file.send(@method).encoding.should == Encoding.find("euc-jp")
   end
 
-  ruby_version_is "2.5" do
   platform_is :linux do
     guard -> { defined?(File::TMPFILE) } do
       before :each do
@@ -74,4 +73,3 @@ describe :file_path, shared: true do
     end
   end
 end
-end

spec/ruby/core/float/comparison_spec.rb

@@ -33,7 +33,6 @@ describe "Float#<=>" do
     coercible.call_count.should == 3
   end
 
-  ruby_version_is "2.5" do
   it "raises TypeError when #coerce misbehaves" do
     klass = Class.new do
       def coerce(other)
@@ -46,7 +45,6 @@ describe "Float#<=>" do
       4.2 <=> bad_coercible
     }.should raise_error(TypeError, "coerce must return [x, y]")
   end
-  end
 
   # The 4 tests below are taken from matz's revision 23730 for Ruby trunk
   #

spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb

@@ -1,27 +1,6 @@
 require_relative '../fixtures/classes'
 
 describe :float_arithmetic_exception_in_coerce, shared: true do
-  ruby_version_is ""..."2.5" do
-    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" do
-      b = mock("numeric with failed #coerce")
-      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
-
-      # e.g. 1.0 > b
-      -> { 1.0.send(@method, b) }.should raise_error(TypeError, /MockObject can't be coerced into Float/)
-    end
-
-    it "does not rescue Exception and StandardError siblings raised in other#coerce" do
-      [Exception, NoMemoryError].each do |exception|
-        b = mock("numeric with failed #coerce")
-        b.should_receive(:coerce).and_raise(exception)
-
-        # e.g. 1.0 > b
-        -> { 1.0.send(@method, b) }.should raise_error(exception)
-      end
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "does not rescue exception raised in other#coerce" do
     b = mock("numeric with failed #coerce")
     b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
@@ -30,4 +9,3 @@ describe :float_arithmetic_exception_in_coerce, shared: true do
     -> { 1.0.send(@method, b) }.should raise_error(FloatSpecs::CoerceError)
   end
 end
-end

spec/ruby/core/float/shared/comparison_exception_in_coerce.rb

@@ -1,29 +1,6 @@
 require_relative '../fixtures/classes'
 
 describe :float_comparison_exception_in_coerce, shared: true do
-  ruby_version_is ""..."2.5" do
-    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises ArgumentError" do
-      b = mock("numeric with failed #coerce")
-      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
-
-      # e.g. 1.0 > b
-      -> {
-        -> { 1.0.send(@method, b) }.should raise_error(ArgumentError, /comparison of Float with MockObject failed/)
-      }.should complain(/Numerical comparison operators will no more rescue exceptions of #coerce/)
-    end
-
-    it "does not rescue Exception and StandardError siblings raised in other#coerce" do
-      [Exception, NoMemoryError].each do |exception|
-        b = mock("numeric with failed #coerce")
-        b.should_receive(:coerce).and_raise(exception)
-
-        # e.g. 1.0 > b
-        -> { 1.0.send(@method, b) }.should raise_error(exception)
-      end
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "does not rescue exception raised in other#coerce" do
     b = mock("numeric with failed #coerce")
     b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
@@ -32,4 +9,3 @@ describe :float_comparison_exception_in_coerce, shared: true do
     -> { 1.0.send(@method, b) }.should raise_error(FloatSpecs::CoerceError)
   end
 end
-end

spec/ruby/core/hash/slice_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Hash#slice" do
   before :each do
     @hash = { a: 1, b: 2, c: 3 }
@@ -52,4 +51,3 @@ ruby_version_is "2.5" do
     ScratchPad.recorded.should == []
   end
 end
-end

spec/ruby/core/hash/transform_keys_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Hash#transform_keys" do
   before :each do
     @hash = { a: 1, b: 2, c: 3 }
@@ -129,4 +128,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/integer/allbits_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is '2.5' do
 describe "Integer#allbits?" do
   it "returns true iff all the bits of the argument are set in the receiver" do
     42.allbits?(42).should == true
@@ -36,4 +35,3 @@ ruby_version_is '2.5' do
     -> { 13.allbits?(:symbol) }.should raise_error(TypeError)
   end
 end
-end

spec/ruby/core/integer/anybits_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is '2.5' do
 describe "Integer#anybits?" do
   it "returns true iff all the bits of the argument are set in the receiver" do
     42.anybits?(42).should == true
@@ -35,4 +34,3 @@ ruby_version_is '2.5' do
     -> { 13.anybits?(:symbol) }.should raise_error(TypeError)
   end
 end
-end

spec/ruby/core/integer/comparison_spec.rb

@@ -124,24 +124,12 @@ describe "Integer#<=>" do
         @big <=> @num
       end
 
-      ruby_version_is ""..."2.5" do
-        it "returns nil if #coerce raises an exception" do
-          @num.should_receive(:coerce).with(@big).and_raise(RuntimeError)
-          -> {
-            @result = (@big <=> @num)
-          }.should complain(/Numerical comparison operators will no more rescue exceptions/)
-          @result.should be_nil
-        end
-      end
-
-      ruby_version_is "2.5" do
       it "lets the exception go through if #coerce raises an exception" do
         @num.should_receive(:coerce).with(@big).and_raise(RuntimeError.new("my error"))
         -> {
           @big <=> @num
         }.should raise_error(RuntimeError, "my error")
       end
-      end
 
       it "raises an exception if #coerce raises a non-StandardError exception" do
         @num.should_receive(:coerce).with(@big).and_raise(Exception)

spec/ruby/core/integer/divide_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/arithmetic_coerce'
 
 describe "Integer#/" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_arithmetic_coerce_rescue, :/
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_arithmetic_coerce_not_rescue, :/
-  end
 
   context "fixnum" do
     it "returns self divided by the given argument" do

spec/ruby/core/integer/gt_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/comparison_coerce'
 
 describe "Integer#>" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_comparison_coerce_rescue, :>
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_comparison_coerce_not_rescue, :>
-  end
 
   context "fixnum" do
     it "returns true if self is greater than the given argument" do

spec/ruby/core/integer/gte_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/comparison_coerce'
 
 describe "Integer#>=" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_comparison_coerce_rescue, :>=
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_comparison_coerce_not_rescue, :>=
-  end
 
   context "fixnum" do
     it "returns true if self is greater than or equal to the given argument" do

spec/ruby/core/integer/lt_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/comparison_coerce'
 
 describe "Integer#<" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_comparison_coerce_rescue, :<
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_comparison_coerce_not_rescue, :<
-  end
 
   context "fixnum" do
     it "returns true if self is less than the given argument" do

spec/ruby/core/integer/lte_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/comparison_coerce'
 
 describe "Integer#<=" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_comparison_coerce_rescue, :<=
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_comparison_coerce_not_rescue, :<=
-  end
 
   context "fixnum" do
     it "returns true if self is less than or equal to other" do

spec/ruby/core/integer/minus_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/arithmetic_coerce'
 
 describe "Integer#-" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_arithmetic_coerce_rescue, :-
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_arithmetic_coerce_not_rescue, :-
-  end
 
   context "fixnum" do
     it "returns self minus the given Integer" do

spec/ruby/core/integer/multiply_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/arithmetic_coerce'
 
 describe "Integer#*" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_arithmetic_coerce_rescue, :*
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_arithmetic_coerce_not_rescue, :*
-  end
 
   context "fixnum" do
     it "returns self multiplied by the given Integer" do

spec/ruby/core/integer/nobits_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is '2.5' do
 describe "Integer#nobits?" do
   it "returns true iff all no bits of the argument are set in the receiver" do
     42.nobits?(42).should == false
@@ -35,4 +34,3 @@ ruby_version_is '2.5' do
     -> { 13.nobits?(:symbol) }.should raise_error(TypeError)
   end
 end
-end

spec/ruby/core/integer/plus_spec.rb

@@ -2,13 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/arithmetic_coerce'
 
 describe "Integer#+" do
-  ruby_version_is "2.4"..."2.5" do
-    it_behaves_like :integer_arithmetic_coerce_rescue, :+
-  end
-
-  ruby_version_is "2.5" do
   it_behaves_like :integer_arithmetic_coerce_not_rescue, :+
-  end
 
   context "fixnum" do
     it "returns self plus the given Integer" do

spec/ruby/core/integer/pow_spec.rb

@@ -2,7 +2,6 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 require_relative 'shared/exponent'
 
-ruby_version_is "2.5" do
 describe "Integer#pow" do
   context "one argument is passed" do
     it_behaves_like :integer_exponent, :pow
@@ -46,4 +45,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/integer/round_spec.rb

@@ -6,14 +6,6 @@ describe "Integer#round" do
   it_behaves_like :integer_to_i, :round
   it_behaves_like :integer_rounding_positive_precision, :round
 
-  ruby_version_is ""..."2.5" do # Not just since 2.4
-    it "rounds itself as a float if passed a positive precision" do
-      [2, -4, 10**70, -10**100].each do |v|
-        v.round(42).should eql(v.to_f)
-      end
-    end
-  end
-
   # redmine:5228
   it "returns itself rounded if passed a negative value" do
     +249.round(-2).should eql(+200)
@@ -78,21 +70,11 @@ describe "Integer#round" do
     (-25).round(-1, half: nil).should   eql(-30)
   end
 
-  ruby_version_is "2.4"..."2.5" do
-    it "returns itself as a float if passed a positive precision and the half option" do
-      35.round(1, half: :up).should      eql(35.0)
-      35.round(1, half: :down).should    eql(35.0)
-      35.round(1, half: :even).should    eql(35.0)
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "returns itself if passed a positive precision and the half option" do
     35.round(1, half: :up).should      eql(35)
     35.round(1, half: :down).should    eql(35)
     35.round(1, half: :even).should    eql(35)
   end
-  end
 
   it "raises ArgumentError for an unknown rounding mode" do
     -> { 42.round(-1, half: :foo) }.should raise_error(ArgumentError, /invalid rounding mode: foo/)

spec/ruby/core/integer/shared/arithmetic_coerce.rb

@@ -1,25 +1,5 @@
 require_relative '../fixtures/classes'
 
-describe :integer_arithmetic_coerce_rescue, shared: true do
-  it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" do
-    b = mock("numeric with failed #coerce")
-    b.should_receive(:coerce).and_raise(IntegerSpecs::CoerceError)
-
-    # e.g. 1 + b
-    -> { 1.send(@method, b) }.should raise_error(TypeError, /MockObject can't be coerced into Integer/)
-  end
-
-  it "does not rescue Exception and StandardError siblings raised in other#coerce" do
-    [Exception, NoMemoryError].each do |exception|
-      b = mock("numeric with failed #coerce")
-      b.should_receive(:coerce).and_raise(exception)
-
-      # e.g. 1 + b
-      -> { 1.send(@method, b) }.should raise_error(exception)
-    end
-  end
-end
-
 describe :integer_arithmetic_coerce_not_rescue, shared: true do
   it "does not rescue exception raised in other#coerce" do
     b = mock("numeric with failed #coerce")

spec/ruby/core/integer/shared/integer_rounding.rb

@@ -11,19 +11,9 @@ describe :integer_rounding_positive_precision, shared: true do
     end
   end
 
-  ruby_version_is "2.4"..."2.5" do
-    it "returns itself as a float if passed a positive precision" do
-      [2, -4, 10**70, -10**100].each do |v|
-        v.send(@method, 42).should eql(v.to_f)
-      end
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "returns itself if passed a positive precision" do
     [2, -4, 10**70, -10**100].each do |v|
       v.send(@method, 42).should eql(v)
     end
   end
 end
-end

spec/ruby/core/integer/sqrt_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Integer.sqrt" do
   it "returns an integer" do
     Integer.sqrt(10).should be_kind_of(Integer)
@@ -30,4 +29,3 @@ ruby_version_is "2.5" do
     -> { Integer.sqrt("test") }.should raise_error(TypeError)
   end
 end
-end

spec/ruby/core/io/close_spec.rb

@@ -44,7 +44,6 @@ describe "IO#close" do
     @io.close.should be_nil
   end
 
-  ruby_version_is '2.5' do
   it 'raises an IOError with a clear message' do
     read_io, write_io = IO.pipe
     going_to_read = false
@@ -61,7 +60,6 @@ describe "IO#close" do
     write_io.close
   end
 end
-end
 
 describe "IO#close on an IO.popen stream" do
 

spec/ruby/core/io/pread_spec.rb

@@ -1,7 +1,6 @@
 # -*- encoding: utf-8 -*-
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 platform_is_not :windows do
   describe "IO#pread" do
     before :each do
@@ -49,4 +48,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/io/pwrite_spec.rb

@@ -1,7 +1,6 @@
 # -*- encoding: utf-8 -*-
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 platform_is_not :windows do
   describe "IO#pwrite" do
     before :each do
@@ -42,4 +41,3 @@ ruby_version_is "2.5" do
     end
   end
 end
-end

spec/ruby/core/io/write_spec.rb

@@ -126,7 +126,6 @@ end
 describe "IO#write" do
   it_behaves_like :io_write, :write
 
-  ruby_version_is "2.5" do
   it "accepts multiple arguments" do
     IO.pipe do |r, w|
       w.write("foo", "bar")
@@ -136,7 +135,6 @@ describe "IO#write" do
     end
   end
 end
-end
 
 platform_is :windows do
   describe "IO#write on Windows" do

spec/ruby/core/kernel/freeze_spec.rb

@@ -51,7 +51,6 @@ describe "Kernel#freeze" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe "on a Complex" do
     it "has no effect since it is already frozen" do
       c = Complex(1.3, 3.1)
@@ -67,7 +66,6 @@ describe "Kernel#freeze" do
       r.freeze
     end
   end
-  end
 
   it "causes mutative calls to raise RuntimeError" do
     o = Class.new do

spec/ruby/core/kernel/frozen_spec.rb

@@ -50,7 +50,6 @@ describe "Kernel#frozen?" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe "on a Complex" do
     it "returns true" do
       c = Complex(1.3, 3.1)
@@ -75,4 +74,3 @@ describe "Kernel#frozen?" do
     end
   end
 end
-end

spec/ruby/core/kernel/pp_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is "2.5" do
 describe "Kernel#pp" do
   it "lazily loads the 'pp' library and delegates the call to that library" do
     # Run in child process to ensure 'pp' hasn't been loaded yet.
@@ -8,4 +7,3 @@ ruby_version_is "2.5" do
     output.should == "[1, 2, 3]\n"
   end
 end
-end

spec/ruby/core/kernel/shared/dup_clone.rb

@@ -103,19 +103,6 @@ describe :kernel_dup_clone, shared: true do
     :my_symbol.send(@method).should == :my_symbol
   end
 
-  ruby_version_is ''...'2.5' do
-    it "raises a TypeError for Complex" do
-      c = Complex(1.3, 3.1)
-      -> { c.send(@method) }.should raise_error(TypeError)
-    end
-
-    it "raises a TypeError for Rational" do
-      r = Rational(1, 3)
-      -> { r.send(@method) }.should raise_error(TypeError)
-    end
-  end
-
-  ruby_version_is '2.5' do
   it "returns self for Complex" do
     c = Complex(1.3, 3.1)
     c.send(@method).should equal c
@@ -126,4 +113,3 @@ describe :kernel_dup_clone, shared: true do
     r.send(@method).should equal r
   end
 end
-end

spec/ruby/core/kernel/shared/require.rb

@@ -354,18 +354,6 @@ describe :kernel_require, shared: true do
           rm_r @dir, @symlink_to_dir
         end
 
-        ruby_version_is ""..."2.4.4" do
-          it "canonicalizes neither the entry in $LOAD_PATH nor the filename passed to #require" do
-            $LOAD_PATH.unshift(@symlink_to_dir)
-            @object.require("symfile").should be_true
-            loaded_feature = "#{@symlink_to_dir}/symfile.rb"
-            ScratchPad.recorded.should == [loaded_feature]
-            $".last.should == loaded_feature
-            $LOAD_PATH[0].should == @symlink_to_dir
-          end
-        end
-
-        ruby_version_is "2.4.4" do
         it "canonicalizes the entry in $LOAD_PATH but not the filename passed to #require" do
           $LOAD_PATH.unshift(@symlink_to_dir)
           @object.require("symfile").should be_true
@@ -376,7 +364,6 @@ describe :kernel_require, shared: true do
         end
       end
     end
-    end
 
     it "does not store the path if the load fails" do
       $LOAD_PATH << CODE_LOADING_DIR
@@ -527,21 +514,6 @@ describe :kernel_require, shared: true do
       ScratchPad.recorded.should == []
     end
 
-    ruby_version_is ""..."2.5" do
-      it "complex, enumerator, rational, thread and unicode_normalize are already required" do
-        provided = %w[complex enumerator rational thread unicode_normalize]
-        features = ruby_exe("puts $LOADED_FEATURES", options: '--disable-gems')
-        provided.each { |feature|
-          features.should =~ /\b#{feature}\.(rb|so|jar)$/
-        }
-
-        code = provided.map { |f| "puts require #{f.inspect}\n" }.join
-        required = ruby_exe(code, options: '--disable-gems')
-        required.should == "false\n" * provided.size
-      end
-    end
-
-    ruby_version_is "2.5" do
     it "complex, enumerator, rational and thread are already required" do
       provided = %w[complex enumerator rational thread]
       features = ruby_exe("puts $LOADED_FEATURES", options: '--disable-gems')
@@ -563,7 +535,6 @@ describe :kernel_require, shared: true do
       -> { @object.require("unicode_normalize") }.should raise_error(LoadError)
     end
   end
-  end
 
   describe "(shell expansion)" do
     before :each do

spec/ruby/core/kernel/shared/sprintf.rb

@@ -345,19 +345,11 @@ describe :kernel_sprintf, shared: true do
     end
 
     describe "%" do
-      ruby_version_is ""..."2.5" do
-        it "alone displays the percent sign" do
-          @method.call("%").should == "%"
-        end
-      end
-
-      ruby_version_is "2.5" do
       it "alone raises an ArgumentError" do
         -> {
           @method.call("%")
         }.should raise_error(ArgumentError)
       end
-      end
 
       it "is escaped by %" do
         @method.call("%%").should == "%"
@@ -876,7 +868,6 @@ describe :kernel_sprintf, shared: true do
       }.should raise_error(KeyError)
     end
 
-    ruby_version_is "2.5" do
     it "sets the Hash as the receiver of KeyError" do
       -> {
         @method.call("%<foo>s", @object)
@@ -894,4 +885,3 @@ describe :kernel_sprintf, shared: true do
     end
   end
 end
-end

spec/ruby/core/kernel/warn_spec.rb

@@ -87,7 +87,6 @@ describe "Kernel#warn" do
     }.should output(nil, "to_s called\n")
   end
 
-  ruby_version_is "2.5" do
   describe ":uplevel keyword argument" do
     before :each do
       $VERBOSE = true
@@ -154,4 +153,3 @@ describe "Kernel#warn" do
     -> { warn('foo', **h) }.should complain("foo\n")
   end
 end
-end

spec/ruby/core/kernel/yield_self_spec.rb

@@ -1,8 +1,6 @@
 require_relative '../../spec_helper'
 require_relative 'shared/then'
 
-ruby_version_is "2.5" do
 describe "Kernel#yield_self" do
   it_behaves_like :kernel_then, :yield_self
 end
-end

spec/ruby/core/method/case_compare_spec.rb

@@ -2,8 +2,6 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 require_relative 'shared/call'
 
-ruby_version_is "2.5" do
 describe "Method#===" do
   it_behaves_like :method_call, :===
 end
-end

spec/ruby/core/module/alias_method_spec.rb

@@ -81,16 +81,9 @@ describe "Module#alias_method" do
     -> { @class.make_alias mock('x'), :public_one }.should raise_error(TypeError)
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      -> { @class.alias_method :ichi, :public_one }.should raise_error(NoMethodError)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:alias_method, false)
   end
-  end
 
   it "returns self" do
     @class.send(:alias_method, :checking_return_value, :public_one).should equal(@class)

spec/ruby/core/module/attr_accessor_spec.rb

@@ -63,16 +63,9 @@ describe "Module#attr_accessor" do
     -> { c.new.foo=1 }.should raise_error(NoMethodError)
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:attr_accessor, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:attr_accessor, false)
   end
-  end
 
   describe "on immediates" do
     before :each do

spec/ruby/core/module/attr_reader_spec.rb

@@ -58,14 +58,7 @@ describe "Module#attr_reader" do
     -> { c.new.foo }.should raise_error(NoMethodError)
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:attr_reader, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:attr_reader, false)
   end
 end
-end

spec/ruby/core/module/attr_spec.rb

@@ -142,14 +142,7 @@ describe "Module#attr" do
     }.should complain(/boolean argument is obsoleted/, verbose: true)
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:attr, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:attr, false)
   end
 end
-end

spec/ruby/core/module/attr_writer_spec.rb

@@ -58,14 +58,7 @@ describe "Module#attr_writer" do
     -> { c.new.foo=1 }.should raise_error(NoMethodError)
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:attr_writer, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:attr_writer, false)
   end
 end
-end

spec/ruby/core/module/define_method_spec.rb

@@ -355,16 +355,9 @@ describe "Module#define_method" do
     klass.new.string_test.should == "string_test result"
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:define_method)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:define_method)
   end
-  end
 
   it "returns its symbol" do
     class DefineMethodSpecClass

spec/ruby/core/module/refine_spec.rb

@@ -393,27 +393,6 @@ describe "Module#refine" do
       end
     end
 
-    ruby_version_is "" ... "2.5" do
-      it "is not honored by string interpolation" do
-        refinement = Module.new do
-          refine Integer do
-            def to_s
-              "foo"
-            end
-          end
-        end
-
-        result = nil
-        Module.new do
-          using refinement
-          result = "#{1}"
-        end
-
-        result.should == "1"
-      end
-    end
-
-    ruby_version_is "2.5" do
     it "is honored by string interpolation" do
       refinement = Module.new do
         refine Integer do
@@ -431,7 +410,6 @@ describe "Module#refine" do
 
       result.should == "foo"
     end
-    end
 
     it "is honored by Kernel#binding" do
       refinement = Module.new do

spec/ruby/core/module/remove_method_spec.rb

@@ -20,16 +20,9 @@ describe "Module#remove_method" do
     @module = Module.new { def method_to_remove; end }
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:remove_method, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:remove_method, false)
   end
-  end
 
   it "removes the method from a class" do
     klass = Class.new do

spec/ruby/core/module/undef_method_spec.rb

@@ -18,16 +18,9 @@ describe "Module#undef_method" do
     @module = Module.new { def method_to_undef; end }
   end
 
-  ruby_version_is ''...'2.5' do
-    it "is a private method" do
-      Module.should have_private_instance_method(:undef_method, false)
-    end
-  end
-  ruby_version_is '2.5' do
   it "is a public method" do
     Module.should have_public_instance_method(:undef_method, false)
   end
-  end
 
   it "requires multiple arguments" do
     Module.instance_method(:undef_method).arity.should < 0

spec/ruby/core/numeric/shared/step.rb

@@ -224,33 +224,25 @@ describe :numeric_step, :shared => true do
   end
 
   describe "when step is a String" do
-    error = nil
-    ruby_version_is "2.4"..."2.5" do
-      error = TypeError
-    end
-    ruby_version_is "2.5" do
-      error = ArgumentError
-    end
-
     describe "with self and stop as Fixnums" do
-      it "raises an #{error} when step is a numeric representation" do
-        -> { @step.call(1, 5, "1") {} }.should raise_error(error)
-        -> { @step.call(1, 5, "0.1") {} }.should raise_error(error)
-        -> { @step.call(1, 5, "1/3") {} }.should raise_error(error)
+      it "raises an ArgumentError when step is a numeric representation" do
+        -> { @step.call(1, 5, "1") {} }.should raise_error(ArgumentError)
+        -> { @step.call(1, 5, "0.1") {} }.should raise_error(ArgumentError)
+        -> { @step.call(1, 5, "1/3") {} }.should raise_error(ArgumentError)
       end
-      it "raises an #{error} with step as an alphanumeric string" do
-        -> { @step.call(1, 5, "foo") {} }.should raise_error(error)
+      it "raises an ArgumentError with step as an alphanumeric string" do
+        -> { @step.call(1, 5, "foo") {} }.should raise_error(ArgumentError)
       end
     end
 
     describe "with self and stop as Floats" do
-      it "raises an #{error} when step is a numeric representation" do
-        -> { @step.call(1.1, 5.1, "1") {} }.should raise_error(error)
-        -> { @step.call(1.1, 5.1, "0.1") {} }.should raise_error(error)
-        -> { @step.call(1.1, 5.1, "1/3") {} }.should raise_error(error)
+      it "raises an ArgumentError when step is a numeric representation" do
+        -> { @step.call(1.1, 5.1, "1") {} }.should raise_error(ArgumentError)
+        -> { @step.call(1.1, 5.1, "0.1") {} }.should raise_error(ArgumentError)
+        -> { @step.call(1.1, 5.1, "1/3") {} }.should raise_error(ArgumentError)
       end
-      it "raises an #{error} with step as an alphanumeric string" do
-        -> { @step.call(1.1, 5.1, "foo") {} }.should raise_error(error)
+      it "raises an ArgumentError with step as an alphanumeric string" do
+        -> { @step.call(1.1, 5.1, "foo") {} }.should raise_error(ArgumentError)
       end
     end
   end
@@ -302,33 +294,25 @@ describe :numeric_step, :shared => true do
     describe "returned Enumerator" do
       describe "size" do
         describe "when step is a String" do
-          error = nil
-          ruby_version_is "2.4"..."2.5" do
-            error = TypeError
-          end
-          ruby_version_is "2.5" do
-            error = ArgumentError
-          end
-
           describe "with self and stop as Fixnums" do
-            it "raises an #{error} when step is a numeric representation" do
-              -> { @step.call(1, 5, "1").size }.should raise_error(error)
-              -> { @step.call(1, 5, "0.1").size }.should raise_error(error)
-              -> { @step.call(1, 5, "1/3").size }.should raise_error(error)
+            it "raises an ArgumentError when step is a numeric representation" do
+              -> { @step.call(1, 5, "1").size }.should raise_error(ArgumentError)
+              -> { @step.call(1, 5, "0.1").size }.should raise_error(ArgumentError)
+              -> { @step.call(1, 5, "1/3").size }.should raise_error(ArgumentError)
             end
-            it "raises an #{error} with step as an alphanumeric string" do
-              -> { @step.call(1, 5, "foo").size }.should raise_error(error)
+            it "raises an ArgumentError with step as an alphanumeric string" do
+              -> { @step.call(1, 5, "foo").size }.should raise_error(ArgumentError)
             end
           end
 
           describe "with self and stop as Floats" do
-            it "raises an #{error} when step is a numeric representation" do
-              -> { @step.call(1.1, 5.1, "1").size }.should raise_error(error)
-              -> { @step.call(1.1, 5.1, "0.1").size }.should raise_error(error)
-              -> { @step.call(1.1, 5.1, "1/3").size }.should raise_error(error)
+            it "raises an ArgumentError when step is a numeric representation" do
+              -> { @step.call(1.1, 5.1, "1").size }.should raise_error(ArgumentError)
+              -> { @step.call(1.1, 5.1, "0.1").size }.should raise_error(ArgumentError)
+              -> { @step.call(1.1, 5.1, "1/3").size }.should raise_error(ArgumentError)
             end
-            it "raises an #{error} with step as an alphanumeric string" do
-              -> { @step.call(1.1, 5.1, "foo").size }.should raise_error(error)
+            it "raises an ArgumentError with step as an alphanumeric string" do
+              -> { @step.call(1.1, 5.1, "foo").size }.should raise_error(ArgumentError)
             end
           end
         end

spec/ruby/core/process/last_status_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is '2.5' do
 describe 'Process#last_status' do
   it 'returns the status of the last executed child process in the current thread' do
     pid = Process.wait Process.spawn("exit 0")
@@ -17,4 +16,3 @@ ruby_version_is '2.5' do
     -> { Process.last_status(1) }.should raise_error(ArgumentError)
   end
 end
-end

spec/ruby/core/process/times_spec.rb

@@ -13,7 +13,6 @@ describe "Process.times" do
     Process.times.utime.should > user
   end
 
-  ruby_version_is "2.5" do
   platform_is_not :windows do
     it "uses getrusage when available to improve precision beyond milliseconds" do
       max = 10_000
@@ -34,4 +33,3 @@ describe "Process.times" do
     end
   end
 end
-end

spec/ruby/core/random/raw_seed_spec.rb

@@ -1,9 +1,6 @@
-# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 require_relative 'shared/urandom'
 
-ruby_version_is "2.5" do
 describe "Random.urandom" do
   it_behaves_like :random_urandom, :urandom
 end
-end

spec/ruby/core/random/urandom_spec.rb

@@ -1,9 +0,0 @@
-# -*- encoding: binary -*-
-require_relative '../../spec_helper'
-require_relative 'shared/urandom'
-
-ruby_version_is ""..."2.5" do
-  describe "Random.raw_seed" do
-    it_behaves_like :random_urandom, :raw_seed
-  end
-end

spec/ruby/core/range/new_spec.rb

@@ -33,7 +33,6 @@ describe "Range.new" do
     -> { Range.new(a, b) }.should raise_error(ArgumentError)
   end
 
-  ruby_version_is "2.5" do
   it "does not rescue exception raised in #<=> when compares the given start and end" do
     b = mock('a')
     a = mock('b')
@@ -41,7 +40,6 @@ describe "Range.new" do
 
     -> { Range.new(a, b) }.should raise_error(RangeSpecs::ComparisonError)
   end
-  end
 
   describe "beginless/endless range" do
     ruby_version_is ""..."2.7" do

spec/ruby/core/string/casecmp_spec.rb

@@ -25,17 +25,9 @@ describe "String#casecmp independent of case" do
     "abc".casecmp(other).should == 0
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises a TypeError if other can't be converted to a string" do
-      -> { "abc".casecmp(mock('abc')) }.should raise_error(TypeError)
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "returns nil if other can't be converted to a string" do
     "abc".casecmp(mock('abc')).should be_nil
   end
-  end
 
   it "returns nil if incompatible encodings" do
     "あれ".casecmp("れ".encode(Encoding::EUC_JP)).should be_nil
@@ -196,15 +188,7 @@ describe 'String#casecmp? independent of case' do
     "ß".casecmp?("ss").should be_true
   end
 
-  ruby_version_is "2.4"..."2.5" do
-    it "raises a TypeError if other can't be converted to a string" do
-      -> { "abc".casecmp?(mock('abc')) }.should raise_error(TypeError)
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "returns nil if other can't be converted to a string" do
     "abc".casecmp?(mock('abc')).should be_nil
   end
 end
-end

spec/ruby/core/string/delete_prefix_spec.rb

@@ -2,7 +2,6 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
-ruby_version_is '2.5' do
 describe "String#delete_prefix" do
   it "returns a copy of the string, with the given prefix removed" do
     'hello'.delete_prefix('hell').should == 'o'
@@ -80,4 +79,3 @@ ruby_version_is '2.5' do
     -> { ''.freeze.delete_prefix!('') }.should raise_error(FrozenError)
   end
 end
-end

spec/ruby/core/string/delete_suffix_spec.rb

@@ -2,7 +2,6 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
-ruby_version_is '2.5' do
 describe "String#delete_suffix" do
   it "returns a copy of the string, with the given suffix removed" do
     'hello'.delete_suffix('ello').should == 'h'
@@ -80,4 +79,3 @@ ruby_version_is '2.5' do
     -> { ''.freeze.delete_suffix!('') }.should raise_error(FrozenError)
   end
 end
-end

spec/ruby/core/string/each_grapheme_cluster_spec.rb

@@ -2,10 +2,8 @@ require_relative 'shared/chars'
 require_relative 'shared/grapheme_clusters'
 require_relative 'shared/each_char_without_block'
 
-ruby_version_is "2.5" do
 describe "String#each_grapheme_cluster" do
   it_behaves_like :string_chars, :each_grapheme_cluster
   it_behaves_like :string_grapheme_clusters, :each_grapheme_cluster
   it_behaves_like :string_each_char_without_block, :each_grapheme_cluster
 end
-end

spec/ruby/core/string/grapheme_clusters_spec.rb

@@ -1,7 +1,6 @@
 require_relative 'shared/chars'
 require_relative 'shared/grapheme_clusters'
 
-ruby_version_is "2.5" do
 describe "String#grapheme_clusters" do
   it_behaves_like :string_chars, :grapheme_clusters
   it_behaves_like :string_grapheme_clusters, :grapheme_clusters
@@ -12,4 +11,3 @@ ruby_version_is "2.5" do
 
   end
 end
-end

spec/ruby/core/string/modulo_spec.rb

@@ -50,19 +50,10 @@ describe "String#%" do
     end
   end
 
-  ruby_version_is ""..."2.5" do
-    it "formats single % character at the end as literal %" do
-      ("%" % []).should == "%"
-      ("foo%" % []).should == "foo%"
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "raises an error if single % appears at the end" do
     -> { ("%" % []) }.should raise_error(ArgumentError)
     -> { ("foo%" % [])}.should raise_error(ArgumentError)
   end
-  end
 
   it "formats single % character before a newline as literal %" do
     ("%\n" % []).should == "%\n"

spec/ruby/core/string/shared/each_line.rb

@@ -54,19 +54,6 @@ describe :string_each_line, shared: true do
     a.should == ["one\ntwo\r\nthree"]
   end
 
-  ruby_version_is ''...'2.5' do
-    it "yields paragraphs (broken by 2 or more successive newlines) when passed ''" do
-      a = []
-      "hello\nworld\n\n\nand\nuniverse\n\n\n\n\n".send(@method, '') { |s| a << s }
-      a.should == ["hello\nworld\n\n\n", "and\nuniverse\n\n\n\n\n"]
-
-      a = []
-      "hello\nworld\n\n\nand\nuniverse\n\n\n\n\ndog".send(@method, '') { |s| a << s }
-      a.should == ["hello\nworld\n\n\n", "and\nuniverse\n\n\n\n\n", "dog"]
-    end
-  end
-
-  ruby_version_is '2.5' do
   it "yields paragraphs (broken by 2 or more successive newlines) when passed '' and replaces multiple newlines with only two ones" do
     a = []
     "hello\nworld\n\n\nand\nuniverse\n\n\n\n\n".send(@method, '') { |s| a << s }
@@ -76,7 +63,6 @@ describe :string_each_line, shared: true do
     "hello\nworld\n\n\nand\nuniverse\n\n\n\n\ndog".send(@method, '') { |s| a << s }
     a.should == ["hello\nworld\n\n", "and\nuniverse\n\n", "dog"]
   end
-  end
 
   describe "uses $/" do
     before :each do

spec/ruby/core/string/start_with_spec.rb

@@ -43,7 +43,6 @@ describe "String#start_with?" do
     "céréale".should.start_with?("cér")
   end
 
-  ruby_version_is "2.5" do
   it "supports regexps" do
     regexp = /[h1]/
     "hello".should.start_with?(regexp)
@@ -73,4 +72,3 @@ describe "String#start_with?" do
     $1.should be_nil
   end
 end
-end

spec/ruby/core/string/uminus_spec.rb

@@ -18,7 +18,6 @@ describe 'String#-@' do
     output.should == 'foo'
   end
 
-  ruby_version_is "2.5" do
   it "returns the same object for equal unfrozen strings" do
     origin = "this is a string"
     dynamic = %w(this is a string).join(' ')
@@ -31,9 +30,8 @@ describe 'String#-@' do
     (-"unfrozen string").should equal(-"unfrozen string")
     (-"unfrozen string").should_not equal(-"another unfrozen string")
   end
-  end
 
-  ruby_version_is "2.5"..."2.6" do
+  ruby_version_is ""..."2.6" do
     it "does not deduplicate already frozen strings" do
       dynamic = %w(this string is frozen).join(' ').freeze
 

spec/ruby/core/string/undump_spec.rb

@@ -2,7 +2,6 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
-ruby_version_is '2.5' do
 describe "String#undump" do
   ruby_version_is ''...'2.7' do
     it "taints the result if self is tainted" do
@@ -450,4 +449,3 @@ ruby_version_is '2.5' do
     end
   end
 end
-end

spec/ruby/core/struct/hash_spec.rb

@@ -25,7 +25,6 @@ describe "Struct#hash" do
     s1.hash.should_not == s2.hash
   end
 
-  ruby_version_is "2.5" do
   it "returns different hashes for structs with different values when using keyword_init: true" do
     key = :"1 non symbol member"
     struct_class = Struct.new(key, keyword_init: true)
@@ -33,7 +32,6 @@ describe "Struct#hash" do
     t2 = struct_class.new(key => 2)
     t1.hash.should_not == t2.hash
   end
-  end
 
   it "allows for overriding methods in an included module" do
     mod = Module.new do

spec/ruby/core/struct/new_spec.rb

@@ -62,17 +62,9 @@ describe "Struct.new" do
     -> { Struct.new(:animal, ['chris', 'evan'])    }.should raise_error(TypeError)
   end
 
-  ruby_version_is ""..."2.5" do
-    it "raises a TypeError if an argument is a Hash" do
-      -> { Struct.new(:animal, { name: 'chris' }) }.should raise_error(TypeError)
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "raises a ArgumentError if passed a Hash with an unknown key" do
     -> { Struct.new(:animal, { name: 'chris' }) }.should raise_error(ArgumentError)
   end
-  end
 
   it "raises ArgumentError when there is a duplicate member" do
     -> { Struct.new(:foo, :foo) }.should raise_error(ArgumentError, "duplicate member: foo")
@@ -147,7 +139,6 @@ describe "Struct.new" do
     end
   end
 
-  ruby_version_is "2.5" do
   context "keyword_init: true option" do
     before :all do
       @struct_with_kwa = Struct.new(:name, :legs, keyword_init: true)
@@ -214,4 +205,3 @@ describe "Struct.new" do
     end
   end
 end
-end

spec/ruby/core/thread/fetch_spec.rb

@@ -1,6 +1,5 @@
 require_relative '../../spec_helper'
 
-ruby_version_is '2.5' do
 describe 'Thread#fetch' do
   describe 'with 2 arguments' do
     it 'returns the value of the fiber-local variable if value has been assigned' do
@@ -35,4 +34,3 @@ ruby_version_is '2.5' do
     -> { Thread.current.fetch(1, 2, 3) }.should raise_error(ArgumentError)
   end
 end
-end

spec/ruby/core/thread/report_on_exception_spec.rb

@@ -1,18 +1,10 @@
 require_relative '../../spec_helper'
 
 describe "Thread.report_on_exception" do
-  ruby_version_is "2.4"..."2.5" do
-    it "defaults to false" do
-      ruby_exe("p Thread.report_on_exception").should == "false\n"
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "defaults to true" do
     ruby_exe("p Thread.report_on_exception").should == "true\n"
   end
 end
-end
 
 describe "Thread.report_on_exception=" do
   before :each do
@@ -33,7 +25,6 @@ describe "Thread.report_on_exception=" do
 end
 
 describe "Thread#report_on_exception" do
-  ruby_version_is "2.5" do
   it "returns true for the main Thread" do
     Thread.current.report_on_exception.should == true
   end
@@ -41,7 +32,6 @@ describe "Thread#report_on_exception" do
   it "returns true for new Threads" do
     Thread.new { Thread.current.report_on_exception }.value.should == true
   end
-  end
 
   it "returns whether the Thread will print a backtrace if it exits with an exception" do
     t = Thread.new { Thread.current.report_on_exception = true }

spec/ruby/core/thread/to_s_spec.rb

@@ -1,8 +1,6 @@
 require_relative '../../spec_helper'
 require_relative 'shared/to_s'
 
-ruby_version_is "2.5" do
 describe "Thread#to_s" do
   it_behaves_like :thread_to_s, :to_s
 end
-end

spec/ruby/core/time/at_spec.rb

@@ -144,7 +144,6 @@ describe "Time.at" do
     end
   end
 
-  ruby_version_is "2.5" do
   describe "passed [Time, Numeric, format]" do
     context ":nanosecond format" do
       it "treats second argument as nanoseconds" do
@@ -198,7 +197,6 @@ describe "Time.at" do
       Time.at(0, 123.500, :millisecond).nsec.should == 123500000
     end
   end
-  end
 
   ruby_version_is "2.6" do
     describe ":in keyword argument" do

spec/ruby/core/time/shared/now.rb

@@ -18,7 +18,6 @@ describe :time_now, shared: true do
     end
   end
 
-  guard_not -> { platform_is :windows and ruby_version_is ""..."2.5" } do
   it "has at least microsecond precision" do
     times = []
     10_000.times do
@@ -32,4 +31,3 @@ describe :time_now, shared: true do
     times.select { |t| t % (expected * 10) == 0  }.size.should_not == times.size
   end
 end
-end

spec/ruby/core/tracepoint/new_spec.rb

@@ -55,11 +55,9 @@ describe 'TracePoint.new' do
     -> { TracePoint.new(o) {}}.should raise_error(TypeError)
   end
 
-  ruby_version_is "2.5" do
   it 'expects to be called with a block' do
     -> { TracePoint.new(:line) }.should raise_error(ArgumentError, "must be called with a block")
   end
-  end
 
   it "raises a Argument error when the given argument doesn't match an event name" do
     -> { TracePoint.new(:test) }.should raise_error(ArgumentError, "unknown event: test")

spec/ruby/core/warning/warn_spec.rb

@@ -51,7 +51,6 @@ describe "Warning.warn" do
     end
   end
 
-  ruby_version_is "2.5" do
   it "is called by Kernel.warn" do
     Warning.should_receive(:warn).with("Chunky bacon!\n")
     verbose = $VERBOSE
@@ -63,4 +62,3 @@ describe "Warning.warn" do
     end
   end
 end
-end

spec/ruby/language/block_spec.rb

@@ -317,12 +317,10 @@ describe "A block" do
       @y.s(0) { 1 }.should == 1
     end
 
-    ruby_version_is "2.5" do
     it "may include a rescue clause" do
       eval("@y.z do raise ArgumentError; rescue ArgumentError; 7; end").should == 7
     end
   end
-  end
 
   describe "taking || arguments" do
     it "does not raise an exception when no values are yielded" do
@@ -333,12 +331,10 @@ describe "A block" do
       @y.s(0) { || 1 }.should == 1
     end
 
-    ruby_version_is "2.5" do
     it "may include a rescue clause" do
       eval('@y.z do || raise ArgumentError; rescue ArgumentError; 7; end').should == 7
     end
   end
-  end
 
   describe "taking |a| arguments" do
     it "assigns nil to the argument when no values are yielded" do
@@ -364,12 +360,10 @@ describe "A block" do
       @y.s([1, 2]) { |a| a }.should == [1, 2]
     end
 
-    ruby_version_is "2.5" do
     it "may include a rescue clause" do
       eval('@y.s(1) do |x| raise ArgumentError; rescue ArgumentError; 7; end').should == 7
     end
   end
-  end
 
   describe "taking |a, b| arguments" do
     it "assigns nil to the arguments when no values are yielded" do

spec/ruby/language/constants_spec.rb

@@ -425,20 +425,10 @@ end
 
 describe "top-level constant lookup" do
   context "on a class" do
-    ruby_version_is "" ... "2.5" do
-      it "searches Object successfully after searching other scopes" do
-        -> {
-          String::Hash.should == Hash
-        }.should complain(/toplevel constant Hash referenced by/)
-      end
-    end
-
-    ruby_version_is "2.5" do
     it "does not search Object after searching other scopes" do
       -> { String::Hash }.should raise_error(NameError)
     end
   end
-  end
 
   it "searches Object unsuccessfully when searches on a module" do
     -> { Enumerable::Hash }.should raise_error(NameError)

spec/ruby/language/defined_spec.rb

@@ -756,17 +756,9 @@ describe "The defined? keyword for a scoped constant" do
     defined?(DefinedSpecs::String).should be_nil
   end
 
-  ruby_version_is ""..."2.5" do
-    it "returns 'constant' when a constant is defined on top-level but not on the class" do
-      defined?(DefinedSpecs::Basic::String).should == 'constant'
-    end
-  end
-
-  ruby_version_is "2.5" do
   it "returns nil when a constant is defined on top-level but not on the class" do
     defined?(DefinedSpecs::Basic::String).should be_nil
   end
-  end
 
   it "returns 'constant' if the scoped-scoped constant is defined" do
     defined?(DefinedSpecs::Child::A).should == "constant"