Update to ruby/spec@032ee74

spec/ruby/command_line/error_message_spec.rb

@@ -3,9 +3,9 @@ require_relative '../spec_helper'
 describe "The error message caused by an exception" do
   it "is not printed to stdout" do
     out = ruby_exe("this_does_not_exist", args: "2> #{File::NULL}")
-    out.chomp.empty?.should == true
+    out.chomp.should.empty?
 
     out = ruby_exe("end #syntax error", args: "2> #{File::NULL}")
-    out.chomp.empty?.should == true
+    out.chomp.should.empty?
   end
 end

spec/ruby/core/argf/binmode_spec.rb

@@ -34,7 +34,7 @@ describe "ARGF.binmode" do
   it "sets the file's encoding to BINARY" do
     argf [@bin_file, @file1] do
       @argf.binmode
-      @argf.binmode?.should == true
+      @argf.should.binmode?
       @argf.gets.encoding.should == Encoding::BINARY
       @argf.skip
       @argf.read.encoding.should == Encoding::BINARY

spec/ruby/core/array/any_spec.rb

@@ -4,17 +4,17 @@ describe "Array#any?" do
   describe 'with no block given (a default block of { |x| x } is implicit)' do
     it "is false if the array is empty" do
       empty_array = []
-      empty_array.any?.should == false
+      empty_array.should_not.any?
     end
 
     it "is false if the array is not empty, but all the members of the array are falsy" do
       falsy_array = [false, nil, false]
-      falsy_array.any?.should == false
+      falsy_array.should_not.any?
     end
 
     it "is true if the array has any truthy members" do
       not_empty_array = ['anything', nil]
-      not_empty_array.any?.should == true
+      not_empty_array.should.any?
     end
   end
 

spec/ruby/core/array/clear_spec.rb

@@ -16,7 +16,7 @@ describe "Array#clear" do
   it "leaves the Array empty" do
     a = [1]
     a.clear
-    a.empty?.should == true
+    a.should.empty?
     a.size.should == 0
   end
 

spec/ruby/core/array/clone_spec.rb

@@ -12,8 +12,8 @@ describe "Array#clone" do
     aa = a.clone
     bb = b.clone
 
-    aa.frozen?.should == true
+    aa.should.frozen?
-    bb.frozen?.should == false
+    bb.should_not.frozen?
   end
 
   it "copies singleton methods" do

spec/ruby/core/array/empty_spec.rb

@@ -3,8 +3,8 @@ require_relative 'fixtures/classes'
 
 describe "Array#empty?" do
   it "returns true if the array has no elements" do
-    [].empty?.should == true
+    [].should.empty?
-    [1].empty?.should == false
+    [1].should_not.empty?
-    [1, 2].empty?.should == false
+    [1, 2].should_not.empty?
   end
 end

spec/ruby/core/array/frozen_spec.rb

@@ -4,13 +4,13 @@ require_relative 'fixtures/classes'
 describe "Array#frozen?" do
   it "returns true if array is frozen" do
     a = [1, 2, 3]
-    a.frozen?.should == false
+    a.should_not.frozen?
     a.freeze
-    a.frozen?.should == true
+    a.should.frozen?
   end
 
   it "returns false for an array being sorted by #sort" do
     a = [1, 2, 3]
-    a.sort { |x,y| a.frozen?.should == false; x <=> y }
+    a.sort { |x,y| a.should_not.frozen?; x <=> y }
   end
 end

spec/ruby/core/array/multiply_spec.rb

@@ -92,39 +92,39 @@ describe "Array#* with an integer" do
     it "copies the taint status of the original array even if the passed count is 0" do
       ary = [1, 2, 3]
       ary.taint
-      (ary * 0).tainted?.should == true
+      (ary * 0).should.tainted?
     end
 
     it "copies the taint status of the original array even if the array is empty" do
       ary = []
       ary.taint
-      (ary * 3).tainted?.should == true
+      (ary * 3).should.tainted?
     end
 
     it "copies the taint status of the original array if the passed count is not 0" do
       ary = [1, 2, 3]
       ary.taint
-      (ary * 1).tainted?.should == true
+      (ary * 1).should.tainted?
-      (ary * 2).tainted?.should == true
+      (ary * 2).should.tainted?
     end
 
     it "copies the untrusted status of the original array even if the passed count is 0" do
       ary = [1, 2, 3]
       ary.untrust
-      (ary * 0).untrusted?.should == true
+      (ary * 0).should.untrusted?
     end
 
     it "copies the untrusted status of the original array even if the array is empty" do
       ary = []
       ary.untrust
-      (ary * 3).untrusted?.should == true
+      (ary * 3).should.untrusted?
     end
 
     it "copies the untrusted status of the original array if the passed count is not 0" do
       ary = [1, 2, 3]
       ary.untrust
-      (ary * 1).untrusted?.should == true
+      (ary * 1).should.untrusted?
-      (ary * 2).untrusted?.should == true
+      (ary * 2).should.untrusted?
     end
   end
 end

spec/ruby/core/array/shared/clone.rb

@@ -26,8 +26,8 @@ describe :array_clone, shared: true do
       aa = a.send @method
       bb = b.send @method
 
-      aa.tainted?.should == true
+      aa.should.tainted?
-      bb.tainted?.should == false
+      bb.should_not.tainted?
     end
 
     it "copies untrusted status from the original" do
@@ -37,8 +37,8 @@ describe :array_clone, shared: true do
       aa = a.send @method
       bb = b.send @method
 
-      aa.untrusted?.should == true
+      aa.should.untrusted?
-      bb.untrusted?.should == false
+      bb.should_not.untrusted?
     end
   end
 end

spec/ruby/core/array/sort_spec.rb

@@ -58,9 +58,9 @@ describe "Array#sort" do
     b = ArraySpecs::MockForCompared.new
     c = ArraySpecs::MockForCompared.new
 
-    ArraySpecs::MockForCompared.compared?.should == false
+    ArraySpecs::MockForCompared.should_not.compared?
     [a, b, c].sort.should == [c, b, a]
-    ArraySpecs::MockForCompared.compared?.should == true
+    ArraySpecs::MockForCompared.should.compared?
   end
 
   it "does not deal with exceptions raised by unimplemented or incorrect #<=>" do
@@ -104,7 +104,7 @@ describe "Array#sort" do
 
   it "does not freezes self during being sorted" do
     a = [1, 2, 3]
-    a.sort { |x,y| a.frozen?.should == false; x <=> y }
+    a.sort { |x,y| a.should_not.frozen?; x <=> y }
   end
 
   it "returns the specified value when it would break in the given block" do
@@ -207,9 +207,9 @@ describe "Array#sort!" do
     b = ArraySpecs::MockForCompared.new
     c = ArraySpecs::MockForCompared.new
 
-    ArraySpecs::MockForCompared.compared?.should == false
+    ArraySpecs::MockForCompared.should_not.compared?
     [a, b, c].sort!.should == [c, b, a]
-    ArraySpecs::MockForCompared.compared?.should == true
+    ArraySpecs::MockForCompared.should.compared?
   end
 
   it "does not call #<=> on contained objects when invoked with a block" do

spec/ruby/core/array/uniq_spec.rb

@@ -87,8 +87,8 @@ describe "Array#uniq" do
       end
 
       a.uniq.should == a
-      a[0].tainted?.should == true
+      a[0].should.tainted?
-      a[1].tainted?.should == true
+      a[1].should.tainted?
 
       a = Array.new(2) do
         obj = mock('0')
@@ -106,8 +106,8 @@ describe "Array#uniq" do
       end
 
       a.uniq.size.should == 1
-      a[0].tainted?.should == true
+      a[0].should.tainted?
-      a[1].tainted?.should == true
+      a[1].should.tainted?
     end
   end
 

spec/ruby/core/class/allocate_spec.rb

@@ -30,7 +30,7 @@ describe "Class#allocate" do
       end
     end
 
-    klass.allocate.initialized?.should == false
+    klass.allocate.should_not.initialized?
   end
 
   it "raises TypeError for #superclass" do

spec/ruby/core/class/new_spec.rb

@@ -126,7 +126,7 @@ describe "Class#new" do
       end
     end
 
-    klass.new.initialized?.should == true
+    klass.new.should.initialized?
     klass.new(1, 2, 3).args.should == [1, 2, 3]
   end
 

spec/ruby/core/complex/finite_spec.rb

@@ -2,31 +2,31 @@ require_relative '../../spec_helper'
 
 describe "Complex#finite?" do
   it "returns true if magnitude is finite" do
-    (1+1i).finite?.should == true
+    (1+1i).should.finite?
   end
 
   it "returns false for positive infinity" do
     value = Complex(Float::INFINITY, 42)
-    value.finite?.should == false
+    value.should_not.finite?
   end
 
   it "returns false for positive complex with infinite imaginary" do
     value = Complex(1, Float::INFINITY)
-    value.finite?.should == false
+    value.should_not.finite?
   end
 
   it "returns false for negative infinity" do
     value = -Complex(Float::INFINITY, 42)
-    value.finite?.should == false
+    value.should_not.finite?
   end
 
   it "returns false for negative complex with infinite imaginary" do
     value = -Complex(1, Float::INFINITY)
-    value.finite?.should == false
+    value.should_not.finite?
   end
 
   it "returns false for NaN" do
     value = Complex(Float::NAN, Float::NAN)
-    value.finite?.should == false
+    value.should_not.finite?
   end
 end

spec/ruby/core/dir/glob_spec.rb

@@ -119,7 +119,7 @@ describe "Dir.glob" do
   end
 
   it "handles infinite directory wildcards" do
-    Dir.glob('**/**/**').empty?.should == false
+    Dir.glob('**/**/**').should_not.empty?
   end
 
   it "handles simple filename patterns" do

spec/ruby/core/dir/home_spec.rb

@@ -17,7 +17,7 @@ describe "Dir.home" do
     end
 
     it "returns a non-frozen string" do
-      Dir.home.frozen?.should == false
+      Dir.home.should_not.frozen?
     end
   end
 
@@ -35,7 +35,7 @@ describe "Dir.home" do
     end
 
     it "returns a non-frozen string" do
-      Dir.home(ENV['USER']).frozen?.should == false
+      Dir.home(ENV['USER']).should_not.frozen?
     end
   end
 

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

@@ -66,7 +66,7 @@ describe :dir_open, shared: true do
       Dir.send(@method, DirSpecs.mock_dir) do |dir|
         io = IO.for_fd(dir.fileno)
         io.autoclose = false
-        io.close_on_exec?.should == true
+        io.should.close_on_exec?
       end
     end
   end

spec/ruby/core/enumerable/all_spec.rb

@@ -10,13 +10,13 @@ describe "Enumerable#all?" do
   end
 
   it "always returns true on empty enumeration" do
-    @empty.all?.should == true
+    @empty.should.all?
     @empty.all? { nil }.should == true
 
-    [].all?.should == true
+    [].should.all?
     [].all? { false }.should == true
 
-    {}.all?.should == true
+    {}.should.all?
     {}.all? { nil }.should == true
   end
 
@@ -38,24 +38,24 @@ describe "Enumerable#all?" do
 
   describe "with no block" do
     it "returns true if no elements are false or nil" do
-      @enum.all?.should == true
+      @enum.should.all?
-      @enum1.all?.should == true
+      @enum1.should.all?
-      @enum2.all?.should == false
+      @enum2.should_not.all?
 
-      EnumerableSpecs::Numerous.new('a','b','c').all?.should == true
+      EnumerableSpecs::Numerous.new('a','b','c').should.all?
-      EnumerableSpecs::Numerous.new(0, "x", true).all?.should == true
+      EnumerableSpecs::Numerous.new(0, "x", true).should.all?
     end
 
     it "returns false if there are false or nil elements" do
-      EnumerableSpecs::Numerous.new(false).all?.should == false
+      EnumerableSpecs::Numerous.new(false).should_not.all?
-      EnumerableSpecs::Numerous.new(false, false).all?.should == false
+      EnumerableSpecs::Numerous.new(false, false).should_not.all?
 
-      EnumerableSpecs::Numerous.new(nil).all?.should == false
+      EnumerableSpecs::Numerous.new(nil).should_not.all?
-      EnumerableSpecs::Numerous.new(nil, nil).all?.should == false
+      EnumerableSpecs::Numerous.new(nil, nil).should_not.all?
 
-      EnumerableSpecs::Numerous.new(1, nil, 2).all?.should == false
+      EnumerableSpecs::Numerous.new(1, nil, 2).should_not.all?
-      EnumerableSpecs::Numerous.new(0, "x", false, true).all?.should == false
+      EnumerableSpecs::Numerous.new(0, "x", false, true).should_not.all?
-      @enum2.all?.should == false
+      @enum2.should_not.all?
     end
 
     it "gathers whole arrays as elements when each yields multiple" do

spec/ruby/core/enumerable/any_spec.rb

@@ -10,13 +10,13 @@ describe "Enumerable#any?" do
   end
 
   it "always returns false on empty enumeration" do
-    @empty.any?.should == false
+    @empty.should_not.any?
     @empty.any? { nil }.should == false
 
-    [].any?.should == false
+    [].should_not.any?
     [].any? { false }.should == false
 
-    {}.any?.should == false
+    {}.should_not.any?
     {}.any? { nil }.should == false
   end
 
@@ -38,24 +38,24 @@ describe "Enumerable#any?" do
 
   describe "with no block" do
     it "returns true if any element is not false or nil" do
-      @enum.any?.should == true
+      @enum.should.any?
-      @enum1.any?.should == true
+      @enum1.should.any?
-      @enum2.any?.should == true
+      @enum2.should.any?
-      EnumerableSpecs::Numerous.new(true).any?.should == true
+      EnumerableSpecs::Numerous.new(true).should.any?
-      EnumerableSpecs::Numerous.new('a','b','c').any?.should == true
+      EnumerableSpecs::Numerous.new('a','b','c').should.any?
-      EnumerableSpecs::Numerous.new('a','b','c', nil).any?.should == true
+      EnumerableSpecs::Numerous.new('a','b','c', nil).should.any?
-      EnumerableSpecs::Numerous.new(1, nil, 2).any?.should == true
+      EnumerableSpecs::Numerous.new(1, nil, 2).should.any?
-      EnumerableSpecs::Numerous.new(1, false).any?.should == true
+      EnumerableSpecs::Numerous.new(1, false).should.any?
-      EnumerableSpecs::Numerous.new(false, nil, 1, false).any?.should == true
+      EnumerableSpecs::Numerous.new(false, nil, 1, false).should.any?
-      EnumerableSpecs::Numerous.new(false, 0, nil).any?.should == true
+      EnumerableSpecs::Numerous.new(false, 0, nil).should.any?
     end
 
     it "returns false if all elements are false or nil" do
-      EnumerableSpecs::Numerous.new(false).any?.should == false
+      EnumerableSpecs::Numerous.new(false).should_not.any?
-      EnumerableSpecs::Numerous.new(false, false).any?.should == false
+      EnumerableSpecs::Numerous.new(false, false).should_not.any?
-      EnumerableSpecs::Numerous.new(nil).any?.should == false
+      EnumerableSpecs::Numerous.new(nil).should_not.any?
-      EnumerableSpecs::Numerous.new(nil, nil).any?.should == false
+      EnumerableSpecs::Numerous.new(nil, nil).should_not.any?
-      EnumerableSpecs::Numerous.new(nil, false, nil).any?.should == false
+      EnumerableSpecs::Numerous.new(nil, false, nil).should_not.any?
     end
 
     it "gathers whole arrays as elements when each yields multiple" do

spec/ruby/core/enumerable/none_spec.rb

@@ -10,7 +10,7 @@ describe "Enumerable#none?" do
   end
 
   it "always returns true on empty enumeration" do
-    @empty.none?.should == true
+    @empty.should.none?
     @empty.none? { true }.should == true
   end
 

spec/ruby/core/enumerable/one_spec.rb

@@ -10,7 +10,7 @@ describe "Enumerable#one?" do
   end
 
   it "always returns false on empty enumeration" do
-    @empty.one?.should == false
+    @empty.should_not.one?
     @empty.one? { true }.should == false
   end
 

spec/ruby/core/enumerable/uniq_spec.rb

@@ -79,8 +79,8 @@ describe 'Enumerable#uniq' do
       end
 
       a.uniq.should == a
-      a[0].tainted?.should == true
+      a[0].should.tainted?
-      a[1].tainted?.should == true
+      a[1].should.tainted?
 
       a = Array.new(2) do
         obj = mock('0')
@@ -98,8 +98,8 @@ describe 'Enumerable#uniq' do
       end
 
       a.to_enum.uniq.size.should == 1
-      a[0].tainted?.should == true
+      a[0].should.tainted?
-      a[1].tainted?.should == true
+      a[1].should.tainted?
     end
   end
 

spec/ruby/core/enumerator/arithmetic_sequence/exclude_end_spec.rb

@@ -4,15 +4,15 @@ ruby_version_is "2.6" do
   describe "Enumerator::ArithmeticSequence#exclude_end?" do
     context "when created using Numeric#step" do
       it "always returns false" do
-        1.step(10).exclude_end?.should == false
+        1.step(10).should_not.exclude_end?
-        10.step(1).exclude_end?.should == false
+        10.step(1).should_not.exclude_end?
       end
     end
 
     context "when created using Range#step" do
       it "mirrors range.exclude_end?" do
-        (1...10).step.exclude_end?.should == true
+        (1...10).step.should.exclude_end?
-        (1..10).step.exclude_end?.should == false
+        (1..10).step.should_not.exclude_end?
       end
     end
   end

spec/ruby/core/env/element_reference_spec.rb

@@ -16,7 +16,7 @@ describe "ENV.[]" do
 
   it "returns only frozen values" do
     ENV[@variable] = "a non-frozen string"
-    ENV[@variable].frozen?.should == true
+    ENV[@variable].should.frozen?
   end
 
   it "coerces a non-string name with #to_str" do

spec/ruby/core/env/empty_spec.rb

@@ -4,12 +4,12 @@ describe "ENV.empty?" do
 
   it "returns true if the Environment is empty" do
     if ENV.keys.size > 0
-      ENV.empty?.should == false
+      ENV.should_not.empty?
     end
     orig = ENV.to_hash
     begin
       ENV.clear
-      ENV.empty?.should == true
+      ENV.should.empty?
     ensure
       ENV.replace orig
     end
@@ -17,7 +17,7 @@ describe "ENV.empty?" do
 
   it "returns false if not empty" do
     if ENV.keys.size > 0
-      ENV.empty?.should == false
+      ENV.should_not.empty?
     end
   end
 end

spec/ruby/core/env/shift_spec.rb

@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
 
 describe "ENV.shift" do
   it "returns a pair and deletes it" do
-    ENV.empty?.should == false
+    ENV.should_not.empty?
     orig = ENV.to_hash
     begin
       pair = ENV.shift

spec/ruby/core/exception/success_spec.rb

@@ -3,13 +3,13 @@ require_relative '../../spec_helper'
 describe "SystemExit#success?" do
   it "returns true if the process exited successfully" do
     -> { exit 0 }.should raise_error(SystemExit) { |e|
-      e.success?.should == true
+      e.should.success?
     }
   end
 
   it "returns false if the process exited unsuccessfully" do
     -> { exit(-1) }.should raise_error(SystemExit) { |e|
-      e.success?.should == false
+      e.should_not.success?
     }
   end
 end

spec/ruby/core/false/to_s_spec.rb

@@ -7,7 +7,7 @@ describe "FalseClass#to_s" do
 
   ruby_version_is "2.7" do
     it "returns a frozen string" do
-      false.to_s.frozen?.should == true
+      false.to_s.should.frozen?
     end
 
     it "always returns the same string" do

spec/ruby/core/file/expand_path_spec.rb

@@ -203,9 +203,9 @@ platform_is_not :windows do
 
     it "does not return a frozen string" do
       home = "/rubyspec_home"
-      File.expand_path('~').frozen?.should == false
+      File.expand_path('~').should_not.frozen?
-      File.expand_path('~', '/tmp/gumby/ddd').frozen?.should == false
+      File.expand_path('~', '/tmp/gumby/ddd').should_not.frozen?
-      File.expand_path('~/a', '/tmp/gumby/ddd').frozen?.should == false
+      File.expand_path('~/a', '/tmp/gumby/ddd').should_not.frozen?
     end
   end
 

spec/ruby/core/file/lchmod_spec.rb

@@ -20,13 +20,13 @@ describe "File.lchmod" do
       File.chmod(0222, @lname).should == 1
       File.lchmod(0755, @lname).should == 1
 
-      File.lstat(@lname).executable?.should == true
+      File.lstat(@lname).should.executable?
-      File.lstat(@lname).readable?.should == true
+      File.lstat(@lname).should.readable?
-      File.lstat(@lname).writable?.should == true
+      File.lstat(@lname).should.writable?
 
-      File.stat(@lname).executable?.should == false
+      File.stat(@lname).should_not.executable?
-      File.stat(@lname).readable?.should == false
+      File.stat(@lname).should_not.readable?
-      File.stat(@lname).writable?.should == true
+      File.stat(@lname).should.writable?
     end
   end
 

spec/ruby/core/file/lstat_spec.rb

@@ -22,8 +22,8 @@ describe "File.lstat" do
     it "returns a File::Stat object with symlink properties for a symlink" do
       st = File.lstat(@link)
 
-      st.symlink?.should == true
+      st.should.symlink?
-      st.file?.should == false
+      st.should_not.file?
     end
   end
 end

spec/ruby/core/file/open_spec.rb

@@ -28,7 +28,7 @@ describe "File.open" do
   describe "with a block" do
     it "does not raise error when file is closed inside the block" do
       @fh = File.open(@file) { |fh| fh.close; fh }
-      @fh.closed?.should == true
+      @fh.should.closed?
     end
 
     it "invokes close on an opened file when exiting the block" do
@@ -485,7 +485,7 @@ describe "File.open" do
     File.size(@file).should > 0
     File.open(@file, "w+") do |f|
       f.pos.should == 0
-      f.eof?.should == true
+      f.should.eof?
     end
     File.size(@file).should == 0
   end
@@ -495,7 +495,7 @@ describe "File.open" do
     File.size(@file).should > 0
     File.open(@file, "rb+") do |f|
       f.pos.should == 0
-      f.eof?.should == false
+      f.should_not.eof?
     end
   end
 
@@ -504,7 +504,7 @@ describe "File.open" do
     File.size(@file).should > 0
     File.open(@file, "wb+") do |f|
       f.pos.should == 0
-      f.eof?.should == true
+      f.should.eof?
     end
     File.size(@file).should == 0
   end

spec/ruby/core/file/stat/owned_spec.rb

@@ -18,7 +18,7 @@ describe "File::Stat#owned?" do
 
   it "returns true if the file is owned by the user" do
     st = File.stat(@file)
-    st.owned?.should == true
+    st.should.owned?
   end
 
   platform_is_not :windows, :android do
@@ -26,7 +26,7 @@ describe "File::Stat#owned?" do
       it "returns false if the file is not owned by the user" do
         system_file = '/etc/passwd'
         st = File.stat(system_file)
-        st.owned?.should == false
+        st.should_not.owned?
       end
     end
   end

spec/ruby/core/file/stat/pipe_spec.rb

@@ -12,7 +12,7 @@ describe "File::Stat#pipe?" do
     touch(filename)
 
     st = File.stat(filename)
-    st.pipe?.should == false
+    st.should_not.pipe?
 
     rm_r filename
   end
@@ -23,7 +23,7 @@ describe "File::Stat#pipe?" do
       File.mkfifo(filename)
 
       st = File.stat(filename)
-      st.pipe?.should == true
+      st.should.pipe?
 
       rm_r filename
     end

spec/ruby/core/file/stat_spec.rb

@@ -23,8 +23,8 @@ platform_is_not :windows do
 
         st = f.stat
 
-        st.file?.should == true
+        st.should.file?
-        st.zero?.should == false
+        st.should_not.zero?
         st.size.should == 8
         st.size?.should == 8
         st.blksize.should >= 0
@@ -38,8 +38,8 @@ platform_is_not :windows do
       File.symlink(@file, @link)
       st = File.stat(@link)
 
-      st.file?.should == true
+      st.should.file?
-      st.symlink?.should == false
+      st.should_not.symlink?
     end
 
     it "returns an error when given missing non-ASCII path" do

spec/ruby/core/file/truncate_spec.rb

@@ -18,7 +18,7 @@ describe "File.truncate" do
 
     File.open(@name, "r") do |f|
       f.read(99).should == "12345"
-      f.eof?.should == true
+      f.should.eof?
     end
   end
 
@@ -120,7 +120,7 @@ describe "File#truncate" do
     File.size(@name).should == 5
     File.open(@name, "r") do |f|
       f.read(99).should == "12345"
-      f.eof?.should == true
+      f.should.eof?
     end
   end
 
@@ -161,7 +161,7 @@ describe "File#truncate" do
 
   it "raises an IOError if file is closed" do
     @file.close
-    @file.closed?.should == true
+    @file.should.closed?
     -> { @file.truncate(42) }.should raise_error(IOError)
   end
 

spec/ruby/core/float/finite_spec.rb

@@ -2,18 +2,18 @@ require_relative '../../spec_helper'
 
 describe "Float#finite?" do
   it "returns true for finite values" do
-    3.14159.finite?.should == true
+    3.14159.should.finite?
   end
 
   it "returns false for positive infinity" do
-    infinity_value.finite?.should == false
+    infinity_value.should_not.finite?
   end
 
   it "returns false for negative infinity" do
-    (-infinity_value).finite?.should == false
+    (-infinity_value).should_not.finite?
   end
 
   it "returns false for NaN" do
-    nan_value.finite?.should == false
+    nan_value.should_not.finite?
   end
 end

spec/ruby/core/float/nan_spec.rb

@@ -2,8 +2,8 @@ require_relative '../../spec_helper'
 
 describe "Float#nan?" do
   it "returns true if self is not a valid IEEE floating-point number" do
-    0.0.nan?.should == false
+    0.0.should_not.nan?
-    -1.5.nan?.should == false
+    -1.5.should_not.nan?
-    nan_value.nan?.should == true
+    nan_value.should.nan?
   end
 end

spec/ruby/core/float/next_float_spec.rb

@@ -44,6 +44,6 @@ describe "Float#next_float" do
   end
 
   it "returns NAN if NAN was the receiver" do
-    Float::NAN.next_float.nan?.should == true
+    Float::NAN.next_float.should.nan?
   end
 end

spec/ruby/core/float/prev_float_spec.rb

@@ -44,6 +44,6 @@ describe "Float#prev_float" do
   end
 
   it "returns NAN if NAN was the receiver" do
-    Float::NAN.prev_float.nan?.should == true
+    Float::NAN.prev_float.should.nan?
   end
 end

spec/ruby/core/float/uminus_spec.rb

@@ -23,6 +23,6 @@ describe "Float#-@" do
   end
 
   it "returns NaN for NaN" do
-    nan_value.send(:-@).nan?.should == true
+    nan_value.send(:-@).should.nan?
   end
 end

spec/ruby/core/float/zero_spec.rb

@@ -2,8 +2,8 @@ require_relative '../../spec_helper'
 
 describe "Float#zero?" do
   it "returns true if self is 0.0" do
-    0.0.zero?.should == true
+    0.0.should.zero?
-    1.0.zero?.should == false
+    1.0.should_not.zero?
-    -1.0.zero?.should == false
+    -1.0.should_not.zero?
   end
 end

spec/ruby/core/gc/profiler/disable_spec.rb

@@ -11,6 +11,6 @@ describe "GC::Profiler.disable" do
 
   it "disables the profiler" do
     GC::Profiler.disable
-    GC::Profiler.enabled?.should == false
+    GC::Profiler.should_not.enabled?
   end
 end

spec/ruby/core/gc/profiler/enable_spec.rb

@@ -12,6 +12,6 @@ describe "GC::Profiler.enable" do
 
   it "enables the profiler" do
     GC::Profiler.enable
-    GC::Profiler.enabled?.should == true
+    GC::Profiler.should.enabled?
   end
 end

spec/ruby/core/hash/any_spec.rb

@@ -4,10 +4,10 @@ describe "Hash#any?" do
   describe 'with no block given' do
     it "checks if there are any members of a Hash" do
       empty_hash = {}
-      empty_hash.any?.should == false
+      empty_hash.should_not.any?
 
       hash_with_members = { 'key' => 'value' }
-      hash_with_members.any?.should == true
+      hash_with_members.should.any?
     end
   end
 

spec/ruby/core/hash/compare_by_identity_spec.rb

@@ -33,7 +33,7 @@ describe "Hash#compare_by_identity" do
   it "has no effect on an already compare_by_identity hash" do
     @idh[:foo] = :bar
     @idh.compare_by_identity.should equal @idh
-    @idh.compare_by_identity?.should == true
+    @idh.should.compare_by_identity?
     @idh[:foo].should == :bar
   end
 

spec/ruby/core/hash/empty_spec.rb

@@ -3,13 +3,13 @@ require_relative 'fixtures/classes'
 
 describe "Hash#empty?" do
   it "returns true if the hash has no entries" do
-    {}.empty?.should == true
+    {}.should.empty?
-    { 1 => 1 }.empty?.should == false
+    { 1 => 1 }.should_not.empty?
   end
 
   it "returns true if the hash has no entries and has a default value" do
-    Hash.new(5).empty?.should == true
+    Hash.new(5).should.empty?
-    Hash.new { 5 }.empty?.should == true
+    Hash.new { 5 }.should.empty?
-    Hash.new { |hsh, k| hsh[k] = k }.empty?.should == true
+    Hash.new { |hsh, k| hsh[k] = k }.should.empty?
   end
 end

spec/ruby/core/hash/reject_spec.rb

@@ -35,7 +35,7 @@ describe "Hash#reject" do
     ruby_version_is ''...'2.7' do
       it "does not taint the resulting hash" do
         h = { a: 1 }.taint
-        h.reject {false}.tainted?.should == false
+        h.reject {false}.should_not.tainted?
       end
     end
   end

spec/ruby/core/hash/shared/store.rb

@@ -50,7 +50,7 @@ describe :hash_store, shared: true do
     key << "bar"
 
     h.should == { "foo" => 0 }
-    h.keys[0].frozen?.should == true
+    h.keys[0].should.frozen?
   end
 
   it "doesn't duplicate and freeze already frozen string keys" do

spec/ruby/core/hash/to_proc_spec.rb

@@ -21,13 +21,13 @@ describe "Hash#to_proc" do
 
     ruby_version_is ""..."2.8" do
       it "is not a lambda" do
-        @proc.lambda?.should == false
+        @proc.should_not.lambda?
       end
     end
 
     ruby_version_is "2.8" do
       it "is a lambda" do
-        @proc.lambda?.should == true
+        @proc.should.lambda?
       end
     end
 

spec/ruby/core/integer/integer_spec.rb

@@ -13,8 +13,8 @@ end
 
 describe "Integer#integer?" do
   it "returns true for Integers" do
-    0.integer?.should == true
+    0.should.integer?
-    -1.integer?.should == true
+    -1.should.integer?
-    bignum_value.integer?.should == true
+    bignum_value.should.integer?
   end
 end

spec/ruby/core/io/close_on_exec_spec.rb

@@ -14,24 +14,24 @@ describe "IO#close_on_exec=" do
   guard -> { platform_is_not :windows } do
     it "sets the close-on-exec flag if true" do
       @io.close_on_exec = true
-      @io.close_on_exec?.should == true
+      @io.should.close_on_exec?
     end
 
     it "sets the close-on-exec flag if non-false" do
       @io.close_on_exec = :true
-      @io.close_on_exec?.should == true
+      @io.should.close_on_exec?
     end
 
     it "unsets the close-on-exec flag if false" do
       @io.close_on_exec = true
       @io.close_on_exec = false
-      @io.close_on_exec?.should == false
+      @io.should_not.close_on_exec?
     end
 
     it "unsets the close-on-exec flag if nil" do
       @io.close_on_exec = true
       @io.close_on_exec = nil
-      @io.close_on_exec?.should == false
+      @io.should_not.close_on_exec?
     end
 
     it "ensures the IO's file descriptor is closed in exec'ed processes" do
@@ -64,12 +64,12 @@ describe "IO#close_on_exec?" do
 
   guard -> { platform_is_not :windows } do
     it "returns true by default" do
-      @io.close_on_exec?.should == true
+      @io.should.close_on_exec?
     end
 
     it "returns true if set" do
       @io.close_on_exec = true
-      @io.close_on_exec?.should == true
+      @io.should.close_on_exec?
     end
 
     it "raises IOError if called on a closed IO" do

spec/ruby/core/io/close_read_spec.rb

@@ -49,7 +49,7 @@ describe "IO#close_read" do
 
     io.close_read
 
-    io.closed?.should == true
+    io.should.closed?
   end
 
   it "does nothing on closed stream" do

spec/ruby/core/io/close_spec.rb

@@ -14,7 +14,7 @@ describe "IO#close" do
 
   it "closes the stream" do
     @io.close
-    @io.closed?.should == true
+    @io.should.closed?
   end
 
   it "returns nil" do

spec/ruby/core/io/close_write_spec.rb

@@ -45,7 +45,7 @@ describe "IO#close_write" do
 
     io.close_write
 
-    io.closed?.should == true
+    io.should.closed?
   end
 
   it "flushes and closes the write stream" do

spec/ruby/core/io/dup_spec.rb

@@ -51,16 +51,16 @@ end
     @i.close
     -> { @f.gets }.should_not raise_error(Exception)
 
-    @i.closed?.should == true
+    @i.should.closed?
-    @f.closed?.should == false
+    @f.should_not.closed?
   end
 
   it "allows closing the original IO without affecting the new one" do
     @f.close
     -> { @i.gets }.should_not raise_error(Exception)
 
-    @i.closed?.should == false
+    @i.should_not.closed?
-    @f.closed?.should == true
+    @f.should.closed?
   end
 
   it "raises IOError on closed stream" do
@@ -71,7 +71,7 @@ end
     @f.close_on_exec = true
     dup = @f.dup
     begin
-      dup.close_on_exec?.should == true
+      dup.should.close_on_exec?
     ensure
       dup.close
     end
@@ -79,7 +79,7 @@ end
     @f.close_on_exec = false
     dup = @f.dup
     begin
-      dup.close_on_exec?.should == true
+      dup.should.close_on_exec?
     ensure
       dup.close
     end

spec/ruby/core/io/eof_spec.rb

@@ -12,7 +12,7 @@ describe "IO#eof?" do
   end
 
   it "returns true on an empty stream that has just been opened" do
-    File.open(@name) { |empty| empty.eof?.should == true }
+    File.open(@name) { |empty| empty.should.eof? }
   end
 
   it "raises IOError on stream not opened for reading" do
@@ -34,35 +34,35 @@ describe "IO#eof?" do
 
   it "returns false when not at end of file" do
     @io.read 1
-    @io.eof?.should == false
+    @io.should_not.eof?
   end
 
   it "returns true after reading with read with no parameters" do
     @io.read()
-    @io.eof?.should == true
+    @io.should.eof?
   end
 
   it "returns true after reading with read" do
     @io.read(File.size(@name))
-    @io.eof?.should == true
+    @io.should.eof?
   end
 
   it "returns true after reading with sysread" do
     @io.sysread(File.size(@name))
-    @io.eof?.should == true
+    @io.should.eof?
   end
 
   it "returns true after reading with readlines" do
     @io.readlines
-    @io.eof?.should == true
+    @io.should.eof?
   end
 
   it "returns false on just opened non-empty stream" do
-    @io.eof?.should == false
+    @io.should_not.eof?
   end
 
   it "does not consume the data from the stream" do
-    @io.eof?.should == false
+    @io.should_not.eof?
     @io.getc.should == 'V'
   end
 
@@ -78,7 +78,7 @@ describe "IO#eof?" do
   it "returns true on one-byte stream after single-byte read" do
     File.open(File.dirname(__FILE__) + '/fixtures/one_byte.txt') { |one_byte|
       one_byte.read(1)
-      one_byte.eof?.should == true
+      one_byte.should.eof?
     }
   end
 end
@@ -92,16 +92,16 @@ describe "IO#eof?" do
   it "returns true on receiving side of Pipe when writing side is closed" do
     @r, @w = IO.pipe
     @w.close
-    @r.eof?.should == true
+    @r.should.eof?
   end
 
   it "returns false on receiving side of Pipe when writing side wrote some data" do
     @r, @w = IO.pipe
     @w.puts "hello"
-    @r.eof?.should == false
+    @r.should_not.eof?
     @w.close
-    @r.eof?.should == false
+    @r.should_not.eof?
     @r.read
-    @r.eof?.should == true
+    @r.should.eof?
   end
 end

spec/ruby/core/io/gets_spec.rb

@@ -41,7 +41,7 @@ describe "IO#gets" do
     ruby_version_is ''...'2.7' do
       it "returns tainted strings" do
         while line = @io.gets
-          line.tainted?.should == true
+          line.should.tainted?
         end
       end
     end
@@ -67,7 +67,7 @@ describe "IO#gets" do
     ruby_version_is ''...'2.7' do
       it "returns tainted strings" do
         while line = @io.gets(nil)
-          line.tainted?.should == true
+          line.should.tainted?
         end
       end
     end
@@ -103,7 +103,7 @@ describe "IO#gets" do
     ruby_version_is ''...'2.7' do
       it "returns tainted strings" do
         while line = @io.gets("")
-          line.tainted?.should == true
+          line.should.tainted?
         end
       end
     end
@@ -129,7 +129,7 @@ describe "IO#gets" do
     ruby_version_is ''...'2.7' do
       it "returns tainted strings" do
         while line = @io.gets("la")
-          line.tainted?.should == true
+          line.should.tainted?
         end
       end
     end

spec/ruby/core/io/pipe_spec.rb

@@ -44,8 +44,8 @@ describe "IO.pipe" do
       r, w = IO.pipe do |_r, _w|
         [_r, _w]
       end
-      r.closed?.should == true
+      r.should.closed?
-      w.closed?.should == true
+      w.should.closed?
     end
 
     it "closes both IO objects when the block raises" do
@@ -57,8 +57,8 @@ describe "IO.pipe" do
           raise RuntimeError
         end
       end.should raise_error(RuntimeError)
-      r.closed?.should == true
+      r.should.closed?
-      w.closed?.should == true
+      w.should.closed?
     end
 
     it "allows IO objects to be closed within the block" do
@@ -67,8 +67,8 @@ describe "IO.pipe" do
         _w.close
         [_r, _w]
       end
-      r.closed?.should == true
+      r.should.closed?
-      w.closed?.should == true
+      w.should.closed?
     end
   end
 end

spec/ruby/core/io/popen_spec.rb

@@ -77,10 +77,10 @@ describe "IO.popen" do
     Process.kill "KILL", pid
     @io.close
     platform_is_not :windows do
-      $?.signaled?.should == true
+      $?.should.signaled?
     end
     platform_is :windows do
-      $?.exited?.should == true
+      $?.should.exited?
     end
   end
 

spec/ruby/core/io/read_nonblock_spec.rb

@@ -46,7 +46,7 @@ describe "IO#read_nonblock" do
       require 'io/nonblock'
       @write.write "abc"
       @read.read_nonblock(1).should == "a"
-      @read.nonblock?.should == true
+      @read.should.nonblock?
     end
   end
 

spec/ruby/core/io/read_spec.rb

@@ -216,7 +216,7 @@ describe "IO#read" do
 
   it "is at end-of-file when everything has been read" do
     @io.read
-    @io.eof?.should == true
+    @io.should.eof?
   end
 
   it "reads the contents of a file" do

spec/ruby/core/io/reopen_spec.rb

@@ -150,11 +150,11 @@ describe "IO#reopen with a String" do
 
     @io.close_on_exec = true
     @io.reopen @other_name
-    @io.close_on_exec?.should == true
+    @io.should.close_on_exec?
 
     @io.close_on_exec = false
     @io.reopen @other_name
-    @io.close_on_exec?.should == true
+    @io.should.close_on_exec?
   end
 
   it "creates the file if it doesn't exist if the IO is opened in write mode" do
@@ -293,12 +293,12 @@ describe "IO#reopen with an IO" do
     @other_io.close_on_exec = true
     @io.close_on_exec = true
     @io.reopen @other_io
-    @io.close_on_exec?.should == true
+    @io.should.close_on_exec?
 
     @other_io.close_on_exec = false
     @io.close_on_exec = false
     @io.reopen @other_io
-    @io.close_on_exec?.should == true
+    @io.should.close_on_exec?
   end
 
   it "may change the class of the instance" do

spec/ruby/core/io/rewind_spec.rb

@@ -21,7 +21,7 @@ describe "IO#rewind" do
   it "positions the instance to the beginning of input and clears EOF" do
     value = @io.read
     @io.rewind
-    @io.eof?.should == false
+    @io.should_not.eof?
     value.should == @io.read
   end
 

spec/ruby/core/io/seek_spec.rb

@@ -44,21 +44,21 @@ describe "IO#seek" do
   it "moves the read position and clears EOF with SEEK_SET" do
     value = @io.read
     @io.seek(0, IO::SEEK_SET)
-    @io.eof?.should == false
+    @io.should_not.eof?
     value.should == @io.read
   end
 
   it "moves the read position and clears EOF with SEEK_CUR" do
     value = @io.read
     @io.seek(-1, IO::SEEK_CUR)
-    @io.eof?.should == false
+    @io.should_not.eof?
     value[-1].should == @io.read[0]
   end
 
   it "moves the read position and clears EOF with SEEK_END" do
     value = @io.read
     @io.seek(-1, IO::SEEK_END)
-    @io.eof?.should == false
+    @io.should_not.eof?
     value[-1].should == @io.read[0]
   end
 

spec/ruby/core/io/shared/new.rb

@@ -148,22 +148,22 @@ describe :io_new, shared: true do
 
   it "sets binmode from mode string" do
     @io = IO.send(@method, @fd, 'wb')
-    @io.binmode?.should == true
+    @io.should.binmode?
   end
 
   it "does not set binmode without being asked" do
     @io = IO.send(@method, @fd, 'w')
-    @io.binmode?.should == false
+    @io.should_not.binmode?
   end
 
   it "sets binmode from :binmode option" do
     @io = IO.send(@method, @fd, 'w', binmode: true)
-    @io.binmode?.should == true
+    @io.should.binmode?
   end
 
   it "does not set binmode from false :binmode" do
     @io = IO.send(@method, @fd, 'w', binmode: false)
-    @io.binmode?.should == false
+    @io.should_not.binmode?
   end
 
   it "sets external encoding to binary with binmode in mode string" do
@@ -270,13 +270,13 @@ describe :io_new, shared: true do
 
   it "accepts an :autoclose option" do
     @io = IO.send(@method, @fd, 'w', autoclose: false)
-    @io.autoclose?.should == false
+    @io.should_not.autoclose?
     @io.autoclose = true
   end
 
   it "accepts any truthy option :autoclose" do
     @io = IO.send(@method, @fd, 'w', autoclose: 42)
-    @io.autoclose?.should == true
+    @io.should.autoclose?
   end
 end
 

spec/ruby/core/io/shared/pos.rb

@@ -27,7 +27,7 @@ describe :io_pos, shared: true do
       io.read 1
       io.read 1
       io.send(@method)
-      io.eof?.should == false
+      io.should_not.eof?
     end
   end
 end

spec/ruby/core/io/ungetc_spec.rb

@@ -74,10 +74,10 @@ describe "IO#ungetc" do
     touch(@empty)
 
     File.open(@empty) { |empty|
-      empty.eof?.should == true
+      empty.should.eof?
       empty.getc.should == nil
       empty.ungetc(100)
-      empty.eof?.should == false
+      empty.should_not.eof?
     }
   end
 

spec/ruby/core/io/write_nonblock_spec.rb

@@ -79,7 +79,7 @@ describe 'IO#write_nonblock' do
     it 'sets the IO in nonblock mode' do
       require 'io/nonblock'
       @write.write_nonblock('a')
-      @write.nonblock?.should == true
+      @write.should.nonblock?
     end
   end
 end

spec/ruby/core/kernel/backtick_spec.rb

@@ -40,16 +40,16 @@ describe "Kernel#`" do
       ip = 'world'
       `echo disc #{ip}`
       $?.should be_kind_of(Process::Status)
-      $?.stopped?.should == false
+      $?.should_not.stopped?
-      $?.exited?.should == true
+      $?.should.exited?
       $?.exitstatus.should == 0
-      $?.success?.should == true
+      $?.should.success?
       `echo disc #{ip}; exit 99`
       $?.should be_kind_of(Process::Status)
-      $?.stopped?.should == false
+      $?.should_not.stopped?
-      $?.exited?.should == true
+      $?.should.exited?
       $?.exitstatus.should == 99
-      $?.success?.should == false
+      $?.should_not.success?
     end
   end
 
@@ -58,16 +58,16 @@ describe "Kernel#`" do
       ip = 'world'
       `echo disc #{ip}`
       $?.should be_kind_of(Process::Status)
-      $?.stopped?.should == false
+      $?.should_not.stopped?
-      $?.exited?.should == true
+      $?.should.exited?
       $?.exitstatus.should == 0
-      $?.success?.should == true
+      $?.should.success?
       `echo disc #{ip}& exit 99`
       $?.should be_kind_of(Process::Status)
-      $?.stopped?.should == false
+      $?.should_not.stopped?
-      $?.exited?.should == true
+      $?.should.exited?
       $?.exitstatus.should == 99
-      $?.success?.should == false
+      $?.should_not.success?
     end
   end
 end

spec/ruby/core/kernel/caller_locations_spec.rb

@@ -7,7 +7,7 @@ describe 'Kernel#caller_locations' do
   end
 
   it 'returns an Array of caller locations' do
-    KernelSpecs::CallerLocationsTest.locations.empty?.should == false
+    KernelSpecs::CallerLocationsTest.locations.should_not.empty?
   end
 
   it 'returns an Array of caller locations using a custom offset' do

spec/ruby/core/kernel/caller_spec.rb

@@ -7,7 +7,7 @@ describe 'Kernel#caller' do
   end
 
   it 'returns an Array of caller locations' do
-    KernelSpecs::CallerTest.locations.empty?.should == false
+    KernelSpecs::CallerTest.locations.should_not.empty?
   end
 
   it 'returns an Array of caller locations using a custom offset' do

spec/ruby/core/kernel/clone_spec.rb

@@ -33,22 +33,22 @@ describe "Kernel#clone" do
     @obj.freeze
     o3 = @obj.clone
 
-    o2.frozen?.should == false
+    o2.should_not.frozen?
-    o3.frozen?.should == true
+    o3.should.frozen?
   end
 
   ruby_version_is '2.8' do
     it 'takes an freeze: true option to frozen copy' do
-      @obj.clone(freeze: true).frozen?.should == true
+      @obj.clone(freeze: true).should.frozen?
       @obj.freeze
-      @obj.clone(freeze: true).frozen?.should == true
+      @obj.clone(freeze: true).should.frozen?
     end
   end
 
   it 'takes an freeze: false option to not return frozen copy' do
-    @obj.clone(freeze: false).frozen?.should == false
+    @obj.clone(freeze: false).should_not.frozen?
     @obj.freeze
-    @obj.clone(freeze: false).frozen?.should == false
+    @obj.clone(freeze: false).should_not.frozen?
   end
 
   it "copies instance variables" do

spec/ruby/core/kernel/dup_spec.rb

@@ -32,7 +32,7 @@ describe "Kernel#dup" do
     @obj.freeze
     dup = @obj.dup
 
-    dup.frozen?.should == false
+    dup.should_not.frozen?
   end
 
   it "copies instance variables" do

spec/ruby/core/kernel/frozen_spec.rb

@@ -6,8 +6,8 @@ describe "Kernel#frozen?" do
     o = mock('o')
     p = mock('p')
     p.freeze
-    o.frozen?.should == false
+    o.should_not.frozen?
-    p.frozen?.should == true
+    p.should.frozen?
   end
 
   describe "on true, false and nil" do

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

@@ -59,8 +59,8 @@ describe :kernel_dup_clone, shared: true do
       o.taint
       o3 = o.send(@method)
 
-      o2.tainted?.should == false
+      o2.should_not.tainted?
-      o3.tainted?.should == true
+      o3.should.tainted?
     end
   end
 
@@ -78,8 +78,8 @@ describe :kernel_dup_clone, shared: true do
       o.untrust
       o3 = o.send(@method)
 
-      o2.untrusted?.should == false
+      o2.should_not.untrusted?
-      o3.untrusted?.should == true
+      o3.should.untrusted?
     end
   end
 

spec/ruby/core/kernel/system_spec.rb

@@ -6,14 +6,14 @@ describe :kernel_system, shared: true do
     -> { @object.system("echo a") }.should output_to_fd("a\n")
 
     $?.should be_an_instance_of Process::Status
-    $?.success?.should == true
+    $?.should.success?
   end
 
   it "returns true when the command exits with a zero exit status" do
     @object.system(ruby_cmd('exit 0')).should == true
 
     $?.should be_an_instance_of Process::Status
-    $?.success?.should == true
+    $?.should.success?
     $?.exitstatus.should == 0
   end
 
@@ -21,7 +21,7 @@ describe :kernel_system, shared: true do
     @object.system(ruby_cmd('exit 1')).should == false
 
     $?.should be_an_instance_of Process::Status
-    $?.success?.should == false
+    $?.should_not.success?
     $?.exitstatus.should == 1
   end
 

spec/ruby/core/kernel/taint_spec.rb

@@ -11,7 +11,7 @@ describe "Kernel#taint" do
     it "sets the tainted bit" do
       o = Object.new
       o.taint
-      o.tainted?.should == true
+      o.should.tainted?
     end
 
     it "raises FrozenError on an untainted, frozen object" do
@@ -27,20 +27,20 @@ describe "Kernel#taint" do
     it "has no effect on immediate values" do
       [nil, true, false].each do |v|
         v.taint
-        v.tainted?.should == false
+        v.should_not.tainted?
       end
     end
 
     it "no raises a RuntimeError on symbols" do
       v = :sym
       -> { v.taint }.should_not raise_error(RuntimeError)
-      v.tainted?.should == false
+      v.should_not.tainted?
     end
 
     it "no raises error on fixnum values" do
       [1].each do |v|
         -> { v.taint }.should_not raise_error(RuntimeError)
-        v.tainted?.should == false
+        v.should_not.tainted?
       end
     end
   end

spec/ruby/core/kernel/tainted_spec.rb

@@ -7,8 +7,8 @@ describe "Kernel#tainted?" do
       o = mock('o')
       p = mock('p')
       p.taint
-      o.tainted?.should == false
+      o.should_not.tainted?
-      p.tainted?.should == true
+      p.should.tainted?
     end
   end
 end

spec/ruby/core/kernel/trust_spec.rb

@@ -11,7 +11,7 @@ describe "Kernel#trust" do
     it "clears the untrusted bit" do
       o = Object.new.untrust
       o.trust
-      o.untrusted?.should == false
+      o.should_not.untrusted?
     end
 
     it "raises FrozenError on an untrusted, frozen object" do

spec/ruby/core/kernel/untaint_spec.rb

@@ -11,7 +11,7 @@ describe "Kernel#untaint" do
     it "clears the tainted bit" do
       o = Object.new.taint
       o.untaint
-      o.tainted?.should == false
+      o.should_not.tainted?
     end
 
     it "raises FrozenError on a tainted, frozen object" do

spec/ruby/core/kernel/untrust_spec.rb

@@ -11,7 +11,7 @@ describe "Kernel#untrust" do
     it "sets the untrusted bit" do
       o = Object.new
       o.untrust
-      o.untrusted?.should == true
+      o.should.untrusted?
     end
 
     it "raises FrozenError on a trusted, frozen object" do

spec/ruby/core/kernel/untrusted_spec.rb

@@ -5,9 +5,9 @@ describe "Kernel#untrusted?" do
   ruby_version_is ''...'2.7' do
     it "returns the untrusted status of an object" do
       o = mock('o')
-      o.untrusted?.should == false
+      o.should_not.untrusted?
       o.untrust
-      o.untrusted?.should == true
+      o.should.untrusted?
     end
 
     it "has no effect on immediate values" do
@@ -17,9 +17,9 @@ describe "Kernel#untrusted?" do
       a.untrust
       b.untrust
       c.untrust
-      a.untrusted?.should == false
+      a.should_not.untrusted?
-      b.untrusted?.should == false
+      b.should_not.untrusted?
-      c.untrusted?.should == false
+      c.should_not.untrusted?
     end
 
     it "has effect on immediate values" do

spec/ruby/core/matchdata/string_spec.rb

@@ -9,7 +9,7 @@ describe "MatchData#string" do
   it "returns a frozen copy of the match string" do
     str = /(.)(.)(\d+)(\d)/.match("THX1138.").string
     str.should == "THX1138."
-    str.frozen?.should == true
+    str.should.frozen?
   end
 
   it "returns the same frozen string for every call" do
@@ -20,6 +20,6 @@ describe "MatchData#string" do
   it "returns a frozen copy of the matched string for gsub(String)" do
     'he[[o'.gsub!('[', ']')
     $~.string.should == 'he[[o'
-    $~.string.frozen?.should == true
+    $~.string.should.frozen?
   end
 end

spec/ruby/core/math/tan_spec.rb

@@ -14,8 +14,8 @@ describe "Math.tan" do
   end
 
   it "returns NaN if called with +-Infinity" do
-    Math.tan(infinity_value).nan?.should == true
+    Math.tan(infinity_value).should.nan?
-    Math.tan(-infinity_value).nan?.should == true
+    Math.tan(-infinity_value).should.nan?
   end
 
   it "raises a TypeError if the argument cannot be coerced with Float()" do

spec/ruby/core/method/compose_spec.rb

@@ -39,8 +39,8 @@ ruby_version_is "2.6" do
         double = proc { |x| x + x }
 
         (pow_2 << double).is_a?(Proc).should == true
-        ruby_version_is(''...'2.8') { (pow_2 << double).lambda?.should == true }
+        ruby_version_is(''...'2.8') { (pow_2 << double).should.lambda? }
-        ruby_version_is('2.8') { (pow_2 << double).lambda?.should == false }
+        ruby_version_is('2.8') { (pow_2 << double).should_not.lambda? }
       end
 
       it "may accept multiple arguments" do
@@ -88,7 +88,7 @@ ruby_version_is "2.6" do
         double = proc { |x| x + x }
 
         (pow_2 >> double).is_a?(Proc).should == true
-        (pow_2 >> double).lambda?.should == true
+        (pow_2 >> double).should.lambda?
       end
 
       it "may accept multiple arguments" do

spec/ruby/core/module/included_spec.rb

@@ -39,6 +39,6 @@ describe "Module#included" do
 
   it "works with super using a singleton class" do
     ModuleSpecs::SingletonOnModuleCase::Bar.include ModuleSpecs::SingletonOnModuleCase::Foo
-    ModuleSpecs::SingletonOnModuleCase::Bar.included_called?.should == true
+    ModuleSpecs::SingletonOnModuleCase::Bar.should.included_called?
   end
 end

spec/ruby/core/module/name_spec.rb

@@ -122,7 +122,7 @@ describe "Module#name" do
 
   ruby_version_is "2.7" do
     it "returns a frozen String" do
-      ModuleSpecs.name.frozen?.should == true
+      ModuleSpecs.name.should.frozen?
     end
 
     it "always returns the same String for a given Module" do

spec/ruby/core/module/singleton_class_spec.rb

@@ -3,25 +3,25 @@ require_relative '../../spec_helper'
 describe "Module#singleton_class?" do
   it "returns true for singleton classes" do
     xs = self.singleton_class
-    xs.singleton_class?.should == true
+    xs.should.singleton_class?
   end
 
   it "returns false for other classes" do
     c = Class.new
-    c.singleton_class?.should == false
+    c.should_not.singleton_class?
   end
 
   describe "with singleton values" do
     it "returns false for nil's singleton class" do
-      NilClass.singleton_class?.should == false
+      NilClass.should_not.singleton_class?
     end
 
     it "returns false for true's singleton class" do
-      TrueClass.singleton_class?.should == false
+      TrueClass.should_not.singleton_class?
     end
 
     it "returns false for false's singleton class" do
-      FalseClass.singleton_class?.should == false
+      FalseClass.should_not.singleton_class?
     end
   end
 end

spec/ruby/core/nil/nil_spec.rb

@@ -2,6 +2,6 @@ require_relative '../../spec_helper'
 
 describe "NilClass#nil?" do
   it "returns true" do
-    nil.nil?.should == true
+    nil.should.nil?
   end
 end

spec/ruby/core/nil/to_s_spec.rb

@@ -7,7 +7,7 @@ describe "NilClass#to_s" do
 
   ruby_version_is "2.7" do
     it "returns a frozen string" do
-      nil.to_s.frozen?.should == true
+      nil.to_s.should.frozen?
     end
 
     it "always returns the same string" do

spec/ruby/core/numeric/integer_spec.rb

@@ -3,6 +3,6 @@ require_relative 'fixtures/classes'
 
 describe "Numeric#integer?" do
   it "returns false" do
-    NumericSpecs::Subclass.new.integer?.should == false
+    NumericSpecs::Subclass.new.should_not.integer?
   end
 end

spec/ruby/core/numeric/negative_spec.rb

@@ -31,11 +31,11 @@ describe "Numeric#negative?" do
 
   it "returns true if self is less than 0" do
     @obj.should_receive(:<).with(0).and_return(true)
-    @obj.negative?.should == true
+    @obj.should.negative?
   end
 
   it "returns false if self is greater than 0" do
     @obj.should_receive(:<).with(0).and_return(false)
-    @obj.negative?.should == false
+    @obj.should_not.negative?
   end
 end

spec/ruby/core/numeric/positive_spec.rb

@@ -31,11 +31,11 @@ describe "Numeric#positive?" do
 
   it "returns true if self is greater than 0" do
     @obj.should_receive(:>).with(0).and_return(true)
-    @obj.positive?.should == true
+    @obj.should.positive?
   end
 
   it "returns false if self is less than 0" do
     @obj.should_receive(:>).with(0).and_return(false)
-    @obj.positive?.should == false
+    @obj.should_not.positive?
   end
 end

spec/ruby/core/numeric/real_spec.rb

@@ -32,6 +32,6 @@ end
 
 describe "Numeric#real?" do
   it "returns true" do
-    NumericSpecs::Subclass.new.real?.should == true
+    NumericSpecs::Subclass.new.should.real?
   end
 end

spec/ruby/core/numeric/zero_spec.rb

@@ -8,11 +8,11 @@ describe "Numeric#zero?" do
 
   it "returns true if self is 0" do
     @obj.should_receive(:==).with(0).and_return(true)
-    @obj.zero?.should == true
+    @obj.should.zero?
   end
 
   it "returns false if self is not 0" do
     @obj.should_receive(:==).with(0).and_return(false)
-    @obj.zero?.should == false
+    @obj.should_not.zero?
   end
 end

spec/ruby/core/proc/compose_spec.rb

@@ -35,7 +35,7 @@ ruby_version_is "2.6" do
         g = proc { |x| x + x }
 
         (f << g).is_a?(Proc).should == true
-        (f << g).lambda?.should == false
+        (f << g).should_not.lambda?
       end
 
       ruby_version_is(''...'2.8') do
@@ -44,7 +44,7 @@ ruby_version_is "2.6" do
           g = -> x { x + x }
 
           (f << g).is_a?(Proc).should == true
-          (f << g).lambda?.should == false
+          (f << g).should_not.lambda?
         end
 
         it "is a lambda when self is lambda" do
@@ -52,7 +52,7 @@ ruby_version_is "2.6" do
           g = proc { |x| x + x }
 
           (f << g).is_a?(Proc).should == true
-          (f << g).lambda?.should == true
+          (f << g).should.lambda?
         end
       end
 
@@ -63,8 +63,8 @@ ruby_version_is "2.6" do
           lambda_proc = -> x { x }
 
           (f << g).is_a?(Proc).should == true
-          (f << g).lambda?.should == false
+          (f << g).should_not.lambda?
-          (f << lambda_proc).lambda?.should == true
+          (f << lambda_proc).should.lambda?
         end
       end
 
@@ -118,7 +118,7 @@ ruby_version_is "2.6" do
         g = proc { |x| x + x }
 
         (f >> g).is_a?(Proc).should == true
-        (f >> g).lambda?.should == false
+        (f >> g).should_not.lambda?
       end
 
       it "is a Proc when other is lambda" do
@@ -126,7 +126,7 @@ ruby_version_is "2.6" do
         g = -> x { x + x }
 
         (f >> g).is_a?(Proc).should == true
-        (f >> g).lambda?.should == false
+        (f >> g).should_not.lambda?
       end
 
       it "is a lambda when self is lambda" do
@@ -134,7 +134,7 @@ ruby_version_is "2.6" do
         g = proc { |x| x + x }
 
         (f >> g).is_a?(Proc).should == true
-        (f >> g).lambda?.should == true
+        (f >> g).should.lambda?
       end
 
       it "may accept multiple arguments" do

spec/ruby/core/range/dup_spec.rb

@@ -5,11 +5,11 @@ describe "Range#dup" do
     copy = (1..3).dup
     copy.begin.should == 1
     copy.end.should == 3
-    copy.exclude_end?.should == false
+    copy.should_not.exclude_end?
 
     copy = ("a"..."z").dup
     copy.begin.should == "a"
     copy.end.should == "z"
-    copy.exclude_end?.should == true
+    copy.should.exclude_end?
   end
 end

spec/ruby/core/range/exclude_end_spec.rb

@@ -2,18 +2,18 @@ require_relative '../../spec_helper'
 
 describe "Range#exclude_end?" do
   it "returns false if the range does not exclude the end value" do
-    (-2..2).exclude_end?.should == false
+    (-2..2).should_not.exclude_end?
-    ('A'..'B').exclude_end?.should == false
+    ('A'..'B').should_not.exclude_end?
-    (0.5..2.4).exclude_end?.should == false
+    (0.5..2.4).should_not.exclude_end?
-    (0xfffd..0xffff).exclude_end?.should == false
+    (0xfffd..0xffff).should_not.exclude_end?
-    Range.new(0, 1).exclude_end?.should == false
+    Range.new(0, 1).should_not.exclude_end?
   end
 
   it "returns true if the range excludes the end value" do
-    (0...5).exclude_end?.should == true
+    (0...5).should.exclude_end?
-    ('A'...'B').exclude_end?.should == true
+    ('A'...'B').should.exclude_end?
-    (0.5...2.4).exclude_end?.should == true
+    (0.5...2.4).should.exclude_end?
-    (0xfffd...0xffff).exclude_end?.should == true
+    (0xfffd...0xffff).should.exclude_end?
-    Range.new(0, 1, true).exclude_end?.should == true
+    Range.new(0, 1, true).should.exclude_end?
   end
 end

spec/ruby/core/regexp/casefold_spec.rb

@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
 
 describe "Regexp#casefold?" do
   it "returns the value of the case-insensitive flag" do
-    /abc/i.casefold?.should == true
+    /abc/i.should.casefold?
-    /xyz/.casefold?.should == false
+    /xyz/.should_not.casefold?
   end
 end