Update to ruby/spec@8d74d49

spec/ruby/.mspec.constants

@@ -78,7 +78,7 @@ Find
 Forwardable
 GetoptLong
 HMACConstants
-HashStringsASCII8BIT
+HashStringsBinary
 HashStringsUSASCII
 HashStringsUTF8
 IPAddr

spec/ruby/command_line/dash_upper_k_spec.rb

@@ -6,24 +6,24 @@ describe 'The -K command line option' do
   end
 
   describe 'sets __ENCODING__ and Encoding.default_external' do
-    it "to Encoding::ASCII_8BIT with -Ka" do
+    it "to Encoding::BINARY with -Ka" do
       ruby_exe(@test_string, options: '-Ka').should ==
-        [Encoding::ASCII_8BIT.name, Encoding::ASCII_8BIT.name, nil].inspect
+        [Encoding::BINARY.name, Encoding::BINARY.name, nil].inspect
     end
 
-    it "to Encoding::ASCII_8BIT with -KA" do
+    it "to Encoding::BINARY with -KA" do
       ruby_exe(@test_string, options: '-KA').should ==
-        [Encoding::ASCII_8BIT.name, Encoding::ASCII_8BIT.name, nil].inspect
+        [Encoding::BINARY.name, Encoding::BINARY.name, nil].inspect
     end
 
-    it "to Encoding::ASCII_8BIT with -Kn" do
+    it "to Encoding::BINARY with -Kn" do
       ruby_exe(@test_string, options: '-Kn').should ==
-        [Encoding::ASCII_8BIT.name, Encoding::ASCII_8BIT.name, nil].inspect
+        [Encoding::BINARY.name, Encoding::BINARY.name, nil].inspect
     end
 
-    it "to Encoding::ASCII_8BIT with -KN" do
+    it "to Encoding::BINARY with -KN" do
       ruby_exe(@test_string, options: '-KN').should ==
-        [Encoding::ASCII_8BIT.name, Encoding::ASCII_8BIT.name, nil].inspect
+        [Encoding::BINARY.name, Encoding::BINARY.name, nil].inspect
     end
 
     it "to Encoding::EUC_JP with -Ke" do

spec/ruby/command_line/dash_x_spec.rb

@@ -18,6 +18,4 @@ describe "The -x command line option" do
     result = ruby_exe(embedded_ruby)
     result.should == "success\n"
   end
-
-  it "needs to be reviewed for spec completeness"
 end

spec/ruby/core/argf/binmode_spec.rb

@@ -31,13 +31,13 @@ describe "ARGF.binmode" do
     end
   end
 
-  it "sets the file's encoding to ASCII-8BIT" do
+  it "sets the file's encoding to BINARY" do
     argf [@bin_file, @file1] do
       @argf.binmode
       @argf.binmode?.should == true
-      @argf.gets.encoding.should == Encoding::ASCII_8BIT
+      @argf.gets.encoding.should == Encoding::BINARY
       @argf.skip
-      @argf.read.encoding.should == Encoding::ASCII_8BIT
+      @argf.read.encoding.should == Encoding::BINARY
     end
   end
 end

spec/ruby/core/array/equal_value_spec.rb

@@ -43,4 +43,9 @@ describe "Array#==" do
     obj.should_receive(:==).and_return(true)
     [obj].should == [5]
   end
+
+  # See https://bugs.ruby-lang.org/issues/1720
+  it "returns true for [NaN] == [NaN] because Array#== first checks with #equal? and NaN.equal?(NaN) is true" do
+    [Float::NAN].should == [Float::NAN]
+  end
 end

spec/ruby/core/array/fixtures/encoded_strings.rb

@@ -37,33 +37,33 @@ module ArraySpecs
     ]
   end
 
-  def self.array_with_utf8_and_7bit_ascii8bit_strings
+  def self.array_with_utf8_and_7bit_binary_strings
     [
       'bar',
       'báz',
-      'foo'.force_encoding('ASCII-8BIT')
+      'foo'.force_encoding('BINARY')
     ]
   end
 
-  def self.array_with_utf8_and_ascii8bit_strings
+  def self.array_with_utf8_and_binary_strings
     [
       'bar',
       'báz',
-      [255].pack('C').force_encoding('ASCII-8BIT')
+      [255].pack('C').force_encoding('BINARY')
     ]
   end
 
-  def self.array_with_usascii_and_7bit_ascii8bit_strings
+  def self.array_with_usascii_and_7bit_binary_strings
     [
       'bar'.force_encoding('US-ASCII'),
-      'foo'.force_encoding('ASCII-8BIT')
+      'foo'.force_encoding('BINARY')
     ]
   end
 
-  def self.array_with_usascii_and_ascii8bit_strings
+  def self.array_with_usascii_and_binary_strings
     [
       'bar'.force_encoding('US-ASCII'),
-      [255].pack('C').force_encoding('ASCII-8BIT')
+      [255].pack('C').force_encoding('BINARY')
     ]
   end
 end

spec/ruby/core/array/pack/a_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

spec/ruby/core/array/pack/at_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

spec/ruby/core/array/pack/b_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'
@@ -47,8 +47,8 @@ describe "Array#pack with format 'B'" do
     ].should be_computed_by(:pack, "B*")
   end
 
-  it "returns an ASCII-8BIT string" do
-    ["1"].pack("B").encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    ["1"].pack("B").encoding.should == Encoding::BINARY
   end
 
   it "encodes the string as a sequence of bytes" do
@@ -98,8 +98,8 @@ describe "Array#pack with format 'b'" do
     ].should be_computed_by(:pack, "b*")
   end
 
-  it "returns an ASCII-8BIT string" do
-    ["1"].pack("b").encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    ["1"].pack("b").encoding.should == Encoding::BINARY
   end
 
   it "encodes the string as a sequence of bytes" do

spec/ruby/core/array/pack/buffer_spec.rb

@@ -1,4 +1,4 @@
-# encoding: ascii-8bit
+# encoding: binary
 
 require_relative '../../../spec_helper'
 

spec/ruby/core/array/pack/c_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'

spec/ruby/core/array/pack/comment_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 

spec/ruby/core/array/pack/h_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'
@@ -97,8 +97,8 @@ describe "Array#pack with format 'H'" do
     ].should be_computed_by(:pack, "H")
   end
 
-  it "returns an ASCII-8BIT string" do
-    ["41"].pack("H").encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    ["41"].pack("H").encoding.should == Encoding::BINARY
   end
 end
 
@@ -194,7 +194,7 @@ describe "Array#pack with format 'h'" do
     ].should be_computed_by(:pack, "h")
   end
 
-  it "returns an ASCII-8BIT string" do
-    ["41"].pack("h").encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    ["41"].pack("h").encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/array/pack/m_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

spec/ruby/core/array/pack/shared/float.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 describe :array_pack_float_le, shared: true do
   it "encodes a positive Float" do

spec/ruby/core/array/pack/shared/integer.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 describe :array_pack_16bit_le, shared: true do
   it "encodes the least significant 16 bits of a positive number" do

spec/ruby/core/array/pack/shared/numeric_basic.rb

@@ -15,9 +15,9 @@ describe :array_pack_numeric_basic, shared: true do
     lambda { [false].pack(pack_format) }.should raise_error(TypeError)
   end
 
-  it "returns an ASCII-8BIT string" do
-    [0xFF].pack(pack_format).encoding.should == Encoding::ASCII_8BIT
-    [0xE3, 0x81, 0x82].pack(pack_format(3)).encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    [0xFF].pack(pack_format).encoding.should == Encoding::BINARY
+    [0xE3, 0x81, 0x82].pack(pack_format(3)).encoding.should == Encoding::BINARY
   end
 end
 

spec/ruby/core/array/pack/shared/string.rb

@@ -38,11 +38,11 @@ describe :array_pack_string, shared: true do
 
   it "returns a string in encoding of common to the concatenated results" do
     f = pack_format("*")
-    [ [["\u{3042 3044 3046 3048}", 0x2000B].pack(f+"U"),       Encoding::ASCII_8BIT],
-      [["abcde\xd1", "\xFF\xFe\x81\x82"].pack(f+"u"),          Encoding::ASCII_8BIT],
-      [["a".force_encoding("ascii"), "\xFF\xFe\x81\x82"].pack(f+"u"), Encoding::ASCII_8BIT],
+    [ [["\u{3042 3044 3046 3048}", 0x2000B].pack(f+"U"),       Encoding::BINARY],
+      [["abcde\xd1", "\xFF\xFe\x81\x82"].pack(f+"u"),          Encoding::BINARY],
+      [["a".force_encoding("ascii"), "\xFF\xFe\x81\x82"].pack(f+"u"), Encoding::BINARY],
       # under discussion [ruby-dev:37294]
-      [["\u{3042 3044 3046 3048}", 1].pack(f+"N"),             Encoding::ASCII_8BIT]
+      [["\u{3042 3044 3046 3048}", 1].pack(f+"N"),             Encoding::BINARY]
     ].should be_computed_by(:encoding)
   end
 end

spec/ruby/core/array/pack/u_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

spec/ruby/core/array/pack/w_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'
@@ -36,7 +36,7 @@ describe "Array#pack with format 'w'" do
     lambda { [-1].pack("w") }.should raise_error(ArgumentError)
   end
 
-  it "returns an ASCII-8BIT string" do
-    [1].pack('w').encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY string" do
+    [1].pack('w').encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/array/pack/x_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

spec/ruby/core/array/pack/z_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 require_relative 'shared/basic'

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

@@ -89,8 +89,8 @@ describe :array_join_with_default_separator, shared: true do
   it "uses the first encoding when other strings are compatible" do
     ary1 = ArraySpecs.array_with_7bit_utf8_and_usascii_strings
     ary2 = ArraySpecs.array_with_usascii_and_7bit_utf8_strings
-    ary3 = ArraySpecs.array_with_utf8_and_7bit_ascii8bit_strings
-    ary4 = ArraySpecs.array_with_usascii_and_7bit_ascii8bit_strings
+    ary3 = ArraySpecs.array_with_utf8_and_7bit_binary_strings
+    ary4 = ArraySpecs.array_with_usascii_and_7bit_binary_strings
 
     ary1.send(@method).encoding.should == Encoding::UTF_8
     ary2.send(@method).encoding.should == Encoding::US_ASCII
@@ -107,9 +107,9 @@ describe :array_join_with_default_separator, shared: true do
   end
 
   it "fails for arrays with incompatibly-encoded strings" do
-    ary_utf8_bad_ascii8bit = ArraySpecs.array_with_utf8_and_ascii8bit_strings
+    ary_utf8_bad_binary = ArraySpecs.array_with_utf8_and_binary_strings
 
-    lambda { ary_utf8_bad_ascii8bit.send(@method) }.should raise_error(EncodingError)
+    lambda { ary_utf8_bad_binary.send(@method) }.should raise_error(EncodingError)
   end
 end
 

spec/ruby/core/array/to_h_spec.rb

@@ -35,6 +35,10 @@ describe "Array#to_h" do
     lambda { [].to_h(:a, :b) }.should raise_error(ArgumentError)
   end
 
+  it "produces a hash that returns nil for a missing element" do
+    [[:a, 1], [:b, 2]].to_h[:c].should be_nil
+  end
+
   ruby_version_is "2.6" do
     context "with block" do
       it "converts [key, value] pairs returned by the block to a Hash" do

spec/ruby/core/dir/children_spec.rb

@@ -43,10 +43,10 @@ ruby_version_is "2.5" do
 
     it "returns children encoded with the filesystem encoding by default" do
       # This spec depends on the locale not being US-ASCII because if it is, the
-      # children that are not ascii_only? will be ASCII-8BIT encoded.
+      # children that are not ascii_only? will be BINARY encoded.
       children = Dir.children(File.join(DirSpecs.mock_dir, 'special')).sort
       encoding = Encoding.find("filesystem")
-      encoding = Encoding::ASCII_8BIT if encoding == Encoding::US_ASCII
+      encoding = Encoding::BINARY if encoding == Encoding::US_ASCII
       platform_is_not :windows do
         children.should include("こんにちは.txt".force_encoding(encoding))
       end
@@ -110,11 +110,11 @@ ruby_version_is "2.6" do
 
     it "returns children encoded with the filesystem encoding by default" do
       # This spec depends on the locale not being US-ASCII because if it is, the
-      # children that are not ascii_only? will be ASCII-8BIT encoded.
+      # children that are not ascii_only? will be BINARY encoded.
       @dir = Dir.new(File.join(DirSpecs.mock_dir, 'special'))
       children = @dir.children.sort
       encoding = Encoding.find("filesystem")
-      encoding = Encoding::ASCII_8BIT if encoding == Encoding::US_ASCII
+      encoding = Encoding::BINARY if encoding == Encoding::US_ASCII
       platform_is_not :windows do
         children.should include("こんにちは.txt".force_encoding(encoding))
       end

spec/ruby/core/dir/entries_spec.rb

@@ -42,10 +42,10 @@ describe "Dir.entries" do
 
   it "returns entries encoded with the filesystem encoding by default" do
     # This spec depends on the locale not being US-ASCII because if it is, the
-    # entries that are not ascii_only? will be ASCII-8BIT encoded.
+    # entries that are not ascii_only? will be BINARY encoded.
     entries = Dir.entries(File.join(DirSpecs.mock_dir, 'special')).sort
     encoding = Encoding.find("filesystem")
-    encoding = Encoding::ASCII_8BIT if encoding == Encoding::US_ASCII
+    encoding = Encoding::BINARY if encoding == Encoding::US_ASCII
     platform_is_not :windows do
       entries.should include("こんにちは.txt".force_encoding(encoding))
     end

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

@@ -37,7 +37,7 @@ describe :dir_pwd, shared: true do
   it "returns a String with the filesystem encoding" do
     enc = Dir.send(@method).encoding
     if @fs_encoding == Encoding::US_ASCII
-      [Encoding::US_ASCII, Encoding::ASCII_8BIT].should include(enc)
+      [Encoding::US_ASCII, Encoding::BINARY].should include(enc)
     else
       enc.should equal(@fs_encoding)
     end

spec/ruby/core/encoding/compatible_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 require_relative '../../spec_helper'
 
@@ -14,12 +14,12 @@ describe "Encoding.compatible? String, String" do
       Encoding.compatible?(@str, "def".encode("us-ascii")).should == Encoding::US_ASCII
     end
 
-    it "returns US-ASCII if the second String is ASCII-8BIT and ASCII only" do
+    it "returns US-ASCII if the second String is BINARY and ASCII only" do
       Encoding.compatible?(@str, "\x7f").should == Encoding::US_ASCII
     end
 
-    it "returns ASCII-8BIT if the second String is ASCII-8BIT but not ASCII only" do
-      Encoding.compatible?(@str, "\xff").should == Encoding::ASCII_8BIT
+    it "returns BINARY if the second String is BINARY but not ASCII only" do
+      Encoding.compatible?(@str, "\xff").should == Encoding::BINARY
     end
 
     it "returns US-ASCII if the second String is UTF-8 and ASCII only" do
@@ -39,16 +39,16 @@ describe "Encoding.compatible? String, String" do
     end
 
     it "returns the first's Encoding if the second is ASCII compatible and ASCII only" do
-      [ [Encoding, "abc".force_encoding("ASCII-8BIT"), "123".force_encoding("US-ASCII"), Encoding::ASCII_8BIT],
-        [Encoding, "123".force_encoding("US-ASCII"), "abc".force_encoding("ASCII-8BIT"), Encoding::US_ASCII]
+      [ [Encoding, "abc".force_encoding("BINARY"), "123".force_encoding("US-ASCII"), Encoding::BINARY],
+        [Encoding, "123".force_encoding("US-ASCII"), "abc".force_encoding("BINARY"), Encoding::US_ASCII]
       ].should be_computed_by(:compatible?)
     end
 
     it "returns the second's Encoding if the second is ASCII compatible but not ASCII only" do
       [ [Encoding, "abc".force_encoding("UTF-8"), "\xff".force_encoding("Shift_JIS"), Encoding::Shift_JIS],
         [Encoding, "123".force_encoding("Shift_JIS"), "\xff".force_encoding("UTF-8"), Encoding::UTF_8],
-        [Encoding, "abc".force_encoding("ASCII-8BIT"), "\xff".force_encoding("US-ASCII"), Encoding::US_ASCII],
-        [Encoding, "123".force_encoding("US-ASCII"), "\xff".force_encoding("ASCII-8BIT"), Encoding::ASCII_8BIT],
+        [Encoding, "abc".force_encoding("BINARY"), "\xff".force_encoding("US-ASCII"), Encoding::US_ASCII],
+        [Encoding, "123".force_encoding("US-ASCII"), "\xff".force_encoding("BINARY"), Encoding::BINARY],
       ].should be_computed_by(:compatible?)
     end
 
@@ -61,11 +61,11 @@ describe "Encoding.compatible? String, String" do
 
   describe "when the first's Encoding is ASCII compatible but not ASCII only" do
     it "returns the first's Encoding if the second's is valid US-ASCII" do
-      Encoding.compatible?("\xff", "def".encode("us-ascii")).should == Encoding::ASCII_8BIT
+      Encoding.compatible?("\xff", "def".encode("us-ascii")).should == Encoding::BINARY
     end
 
     it "returns the first's Encoding if the second's is UTF-8 and ASCII only" do
-      Encoding.compatible?("\xff", "\u{7f}".encode("utf-8")).should == Encoding::ASCII_8BIT
+      Encoding.compatible?("\xff", "\u{7f}".encode("utf-8")).should == Encoding::BINARY
     end
 
     it "returns nil if the second encoding is ASCII compatible but neither String's encoding is ASCII only" do
@@ -82,11 +82,11 @@ describe "Encoding.compatible? String, String" do
       Encoding.compatible?(@str, "def".encode("us-ascii")).should be_nil
     end
 
-    it "returns nil when the second String is ASCII-8BIT and ASCII only" do
+    it "returns nil when the second String is BINARY and ASCII only" do
       Encoding.compatible?(@str, "\x7f").should be_nil
     end
 
-    it "returns nil when the second String is ASCII-8BIT but not ASCII only" do
+    it "returns nil when the second String is BINARY but not ASCII only" do
       Encoding.compatible?(@str, "\xff").should be_nil
     end
 
@@ -109,7 +109,7 @@ describe "Encoding.compatible? String, String" do
       Encoding.compatible?(@str, "\x7f").should == Encoding::UTF_8
     end
 
-    it "returns nil when the second's Encoding is ASCII-8BIT but not ASCII only" do
+    it "returns nil when the second's Encoding is BINARY but not ASCII only" do
       Encoding.compatible?(@str, "\xff").should be_nil
     end
 
@@ -170,7 +170,7 @@ describe "Encoding.compatible? String, Regexp" do
   end
 
   it "returns the String's Encoding if it is not US-ASCII but both are ASCII only" do
-    [ [Encoding, "abc",                     Encoding::ASCII_8BIT],
+    [ [Encoding, "abc",                     Encoding::BINARY],
       [Encoding, "abc".encode("utf-8"),     Encoding::UTF_8],
       [Encoding, "abc".encode("euc-jp"),    Encoding::EUC_JP],
       [Encoding, "abc".encode("shift_jis"), Encoding::Shift_JIS],
@@ -178,7 +178,7 @@ describe "Encoding.compatible? String, Regexp" do
   end
 
   it "returns the String's Encoding if the String is not ASCII only" do
-    [ [Encoding, "\xff",                                  Encoding::ASCII_8BIT],
+    [ [Encoding, "\xff",                                  Encoding::BINARY],
       [Encoding, "\u3042".encode("utf-8"),                Encoding::UTF_8],
       [Encoding, "\xa4\xa2".force_encoding("euc-jp"),     Encoding::EUC_JP],
       [Encoding, "\x82\xa0".force_encoding("shift_jis"),  Encoding::Shift_JIS],
@@ -193,7 +193,7 @@ describe "Encoding.compatible? String, Symbol" do
   end
 
   it "returns the String's Encoding if it is not US-ASCII but both are ASCII only" do
-    [ [Encoding, "abc",                     Encoding::ASCII_8BIT],
+    [ [Encoding, "abc",                     Encoding::BINARY],
       [Encoding, "abc".encode("utf-8"),     Encoding::UTF_8],
       [Encoding, "abc".encode("euc-jp"),    Encoding::EUC_JP],
       [Encoding, "abc".encode("shift_jis"), Encoding::Shift_JIS],
@@ -201,7 +201,7 @@ describe "Encoding.compatible? String, Symbol" do
   end
 
   it "returns the String's Encoding if the String is not ASCII only" do
-    [ [Encoding, "\xff",                                  Encoding::ASCII_8BIT],
+    [ [Encoding, "\xff",                                  Encoding::BINARY],
       [Encoding, "\u3042".encode("utf-8"),                Encoding::UTF_8],
       [Encoding, "\xa4\xa2".force_encoding("euc-jp"),     Encoding::EUC_JP],
       [Encoding, "\x82\xa0".force_encoding("shift_jis"),  Encoding::Shift_JIS],
@@ -219,7 +219,7 @@ describe "Encoding.compatible? String, Encoding" do
   end
 
   it "returns the String's encoding if the Encoding is US-ASCII" do
-    [ [Encoding, "\xff",                                  Encoding::ASCII_8BIT],
+    [ [Encoding, "\xff",                                  Encoding::BINARY],
       [Encoding, "\u3042".encode("utf-8"),                Encoding::UTF_8],
       [Encoding, "\xa4\xa2".force_encoding("euc-jp"),     Encoding::EUC_JP],
       [Encoding, "\x82\xa0".force_encoding("shift_jis"),  Encoding::Shift_JIS],
@@ -229,14 +229,14 @@ describe "Encoding.compatible? String, Encoding" do
   it "returns the Encoding if the String's encoding is ASCII compatible and the String is ASCII only" do
     str = "abc".encode("utf-8")
 
-    Encoding.compatible?(str, Encoding::ASCII_8BIT).should == Encoding::ASCII_8BIT
+    Encoding.compatible?(str, Encoding::BINARY).should == Encoding::BINARY
     Encoding.compatible?(str, Encoding::UTF_8).should == Encoding::UTF_8
     Encoding.compatible?(str, Encoding::EUC_JP).should == Encoding::EUC_JP
     Encoding.compatible?(str, Encoding::Shift_JIS).should == Encoding::Shift_JIS
   end
 
   it "returns nil if the String's encoding is ASCII compatible but the string is not ASCII only" do
-    Encoding.compatible?("\u3042".encode("utf-8"), Encoding::ASCII_8BIT).should be_nil
+    Encoding.compatible?("\u3042".encode("utf-8"), Encoding::BINARY).should be_nil
   end
 end
 
@@ -254,7 +254,7 @@ describe "Encoding.compatible? Regexp, Regexp" do
   end
 
   it "returns the first's Encoding if it is not US-ASCII and not ASCII only" do
-    [ [Encoding, Regexp.new("\xff"),                                  Encoding::ASCII_8BIT],
+    [ [Encoding, Regexp.new("\xff"),                                  Encoding::BINARY],
       [Encoding, Regexp.new("\u3042".encode("utf-8")),                Encoding::UTF_8],
       [Encoding, Regexp.new("\xa4\xa2".force_encoding("euc-jp")),     Encoding::EUC_JP],
       [Encoding, Regexp.new("\x82\xa0".force_encoding("shift_jis")),  Encoding::Shift_JIS],
@@ -268,7 +268,7 @@ describe "Encoding.compatible? Regexp, Symbol" do
   end
 
   it "returns the first's Encoding if it is not US-ASCII and not ASCII only" do
-    [ [Encoding, Regexp.new("\xff"),                                  Encoding::ASCII_8BIT],
+    [ [Encoding, Regexp.new("\xff"),                                  Encoding::BINARY],
       [Encoding, Regexp.new("\u3042".encode("utf-8")),                Encoding::UTF_8],
       [Encoding, Regexp.new("\xa4\xa2".force_encoding("euc-jp")),     Encoding::EUC_JP],
       [Encoding, Regexp.new("\x82\xa0".force_encoding("shift_jis")),  Encoding::Shift_JIS],
@@ -294,7 +294,7 @@ describe "Encoding.compatible? Symbol, Regexp" do
     c = Regexp.new("\xa4\xa2".force_encoding("euc-jp"))
     d = Regexp.new("\x82\xa0".force_encoding("shift_jis"))
 
-    [ [Encoding, :abc, a, Encoding::ASCII_8BIT],
+    [ [Encoding, :abc, a, Encoding::BINARY],
       [Encoding, :abc, b, Encoding::UTF_8],
       [Encoding, :abc, c, Encoding::EUC_JP],
       [Encoding, :abc, d, Encoding::Shift_JIS],
@@ -308,7 +308,7 @@ describe "Encoding.compatible? Symbol, Symbol" do
   end
 
   it "returns the first's Encoding if it is not ASCII only" do
-    [ [Encoding, "\xff".to_sym,                                  Encoding::ASCII_8BIT],
+    [ [Encoding, "\xff".to_sym,                                  Encoding::BINARY],
       [Encoding, "\u3042".encode("utf-8").to_sym,                Encoding::UTF_8],
       [Encoding, "\xa4\xa2".force_encoding("euc-jp").to_sym,     Encoding::EUC_JP],
       [Encoding, "\x82\xa0".force_encoding("shift_jis").to_sym,  Encoding::Shift_JIS],
@@ -322,15 +322,15 @@ describe "Encoding.compatible? Encoding, Encoding" do
       [Encoding, Encoding::US_ASCII, Encoding::UTF_7,   nil],
       [Encoding, Encoding::EUC_JP, Encoding::UTF_7,     nil],
       [Encoding, Encoding::UTF_7, Encoding::EUC_JP,     nil],
-      [Encoding, Encoding::UTF_7, Encoding::ASCII_8BIT, nil],
-      [Encoding, Encoding::ASCII_8BIT, Encoding::UTF_7, nil],
+      [Encoding, Encoding::UTF_7, Encoding::BINARY, nil],
+      [Encoding, Encoding::BINARY, Encoding::UTF_7, nil],
     ].should be_computed_by(:compatible?)
   end
 
   it "returns nil if one of the encodings is not US-ASCII" do
-    [ [Encoding, Encoding::UTF_8, Encoding::ASCII_8BIT,   nil],
-      [Encoding, Encoding::ASCII_8BIT, Encoding::UTF_8,   nil],
-      [Encoding, Encoding::ASCII_8BIT, Encoding::EUC_JP,  nil],
+    [ [Encoding, Encoding::UTF_8, Encoding::BINARY,   nil],
+      [Encoding, Encoding::BINARY, Encoding::UTF_8,   nil],
+      [Encoding, Encoding::BINARY, Encoding::EUC_JP,  nil],
       [Encoding, Encoding::Shift_JIS, Encoding::EUC_JP,   nil],
     ].should be_computed_by(:compatible?)
   end
@@ -339,14 +339,14 @@ describe "Encoding.compatible? Encoding, Encoding" do
     [ [Encoding, Encoding::UTF_8, Encoding::US_ASCII,       Encoding::UTF_8],
       [Encoding, Encoding::EUC_JP, Encoding::US_ASCII,      Encoding::EUC_JP],
       [Encoding, Encoding::Shift_JIS, Encoding::US_ASCII,   Encoding::Shift_JIS],
-      [Encoding, Encoding::ASCII_8BIT, Encoding::US_ASCII,  Encoding::ASCII_8BIT],
+      [Encoding, Encoding::BINARY, Encoding::US_ASCII,  Encoding::BINARY],
     ].should be_computed_by(:compatible?)
   end
 
   it "returns the Encoding if both are the same" do
     [ [Encoding, Encoding::UTF_8, Encoding::UTF_8,            Encoding::UTF_8],
       [Encoding, Encoding::US_ASCII, Encoding::US_ASCII,      Encoding::US_ASCII],
-      [Encoding, Encoding::ASCII_8BIT, Encoding::ASCII_8BIT,  Encoding::ASCII_8BIT],
+      [Encoding, Encoding::BINARY, Encoding::BINARY,  Encoding::BINARY],
       [Encoding, Encoding::UTF_7, Encoding::UTF_7,            Encoding::UTF_7],
     ].should be_computed_by(:compatible?)
   end

spec/ruby/core/encoding/converter/new_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 
 describe "Encoding::Converter.new" do
@@ -96,12 +96,12 @@ describe "Encoding::Converter.new" do
   describe "when passed nil for the replacement object" do
     describe "when the destination encoding is not UTF-8" do
       it "sets the replacement String to '?'" do
-        conv = Encoding::Converter.new("us-ascii", "ascii-8bit", replace: nil)
+        conv = Encoding::Converter.new("us-ascii", "binary", replace: nil)
         conv.replacement.should == "?"
       end
 
       it "sets the replacement String encoding to US-ASCII" do
-        conv = Encoding::Converter.new("us-ascii", "ascii-8bit", replace: nil)
+        conv = Encoding::Converter.new("us-ascii", "binary", replace: nil)
         conv.replacement.encoding.should == Encoding::US_ASCII
       end
 

spec/ruby/core/encoding/converter/search_convpath_spec.rb

@@ -26,7 +26,7 @@ describe "Encoding::Converter.search_convpath" do
 
   it "raises an Encoding::ConverterNotFoundError if no conversion path exists" do
    lambda do
-     Encoding::Converter.search_convpath(Encoding::ASCII_8BIT, Encoding::Emacs_Mule)
+     Encoding::Converter.search_convpath(Encoding::BINARY, Encoding::Emacs_Mule)
    end.should raise_error(Encoding::ConverterNotFoundError)
   end
 end

spec/ruby/core/encoding/default_internal_spec.rb

@@ -24,8 +24,8 @@ describe "Encoding.default_internal" do
   end
 
   it "returns the default internal encoding" do
-    Encoding.default_internal = Encoding::ASCII_8BIT
-    Encoding.default_internal.should == Encoding::ASCII_8BIT
+    Encoding.default_internal = Encoding::BINARY
+    Encoding.default_internal.should == Encoding::BINARY
   end
 end
 

spec/ruby/core/encoding/invalid_byte_sequence_error/error_bytes_spec.rb

@@ -22,9 +22,9 @@ describe "Encoding::InvalidByteSequenceError#error_bytes" do
     @exception2.error_bytes.should == @errinfo2[-2]
   end
 
-  it "uses ASCII-8BIT as the encoding" do
-    @exception.error_bytes.encoding.should == Encoding::ASCII_8BIT
+  it "uses BINARY as the encoding" do
+    @exception.error_bytes.encoding.should == Encoding::BINARY
 
-    @exception2.error_bytes.encoding.should == Encoding::ASCII_8BIT
+    @exception2.error_bytes.encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/encoding/invalid_byte_sequence_error/readagain_bytes_spec.rb

@@ -22,9 +22,9 @@ describe "Encoding::InvalidByteSequenceError#readagain_bytes" do
     @exception2.readagain_bytes.should == @errinfo2[-1]
   end
 
-  it "uses ASCII-8BIT as the encoding" do
-    @exception.readagain_bytes.encoding.should == Encoding::ASCII_8BIT
+  it "uses BINARY as the encoding" do
+    @exception.readagain_bytes.encoding.should == Encoding::BINARY
 
-    @exception2.readagain_bytes.encoding.should == Encoding::ASCII_8BIT
+    @exception2.readagain_bytes.encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/enumerator/each_with_index_spec.rb

@@ -10,7 +10,7 @@ describe "Enumerator#each_with_index" do
     enum1 = [1,2,3].select
     enum2 = enum1.each_with_index
     enum2.should be_an_instance_of(Enumerator)
-    enum1.should_not === enum2
+    enum1.should_not == enum2
   end
 
   it "raises an ArgumentError if passed extra arguments" do
@@ -28,9 +28,7 @@ describe "Enumerator#each_with_index" do
   it "returns the iterator's return value" do
     [1,2,3].select.with_index { |a,b| false }.should == []
   end
-end
 
-describe "Enumerator#each_with_index" do
   it "returns the correct value if chained with itself" do
     [:a].each_with_index.each_with_index.to_a.should == [[[:a,0],0]]
     [:a].each.with_index.with_index.to_a.should == [[[:a,0],0]]

spec/ruby/core/env/element_reference_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 
 describe "ENV.[]" do
@@ -34,7 +34,7 @@ describe "ENV.[]" do
     @external = Encoding.default_external
     @internal = Encoding.default_internal
 
-    Encoding.default_external = Encoding::ASCII_8BIT
+    Encoding.default_external = Encoding::BINARY
   end
 
   after :each do
@@ -48,7 +48,7 @@ describe "ENV.[]" do
     Encoding.default_internal = nil
 
     locale = Encoding.find('locale')
-    locale = Encoding::ASCII_8BIT if locale == Encoding::US_ASCII
+    locale = Encoding::BINARY if locale == Encoding::US_ASCII
     ENV[@variable] = "\xC3\xB8"
     ENV[@variable].encoding.should == locale
   end

spec/ruby/core/env/shared/each.rb

@@ -30,7 +30,7 @@ describe :env_each, shared: true do
       @external = Encoding.default_external
       @internal = Encoding.default_internal
 
-      Encoding.default_external = Encoding::ASCII_8BIT
+      Encoding.default_external = Encoding::BINARY
 
       @locale_encoding = Encoding.find "locale"
     end

spec/ruby/core/env/shared/key.rb

@@ -1,6 +1,4 @@
 describe :env_key, shared: true do
-  it "needs to be reviewed for completeness"
-
   it "returns the index associated with the passed value" do
     ENV["foo"] = "bar"
     ENV.send(@method, "bar").should == "foo"

spec/ruby/core/env/shift_spec.rb

@@ -30,7 +30,7 @@ describe "ENV.shift" do
     @external = Encoding.default_external
     @internal = Encoding.default_internal
 
-    Encoding.default_external = Encoding::ASCII_8BIT
+    Encoding.default_external = Encoding::BINARY
   end
 
   after :each do

spec/ruby/core/file/chown_spec.rb

@@ -142,11 +142,3 @@ describe "File#chown" do
     @file.chown(nil, nil).should == 0
   end
 end
-
-describe "File.chown" do
-  it "needs to be reviewed for spec completeness"
-end
-
-describe "File#chown" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/file/expand_path_spec.rb

@@ -141,12 +141,12 @@ describe "File.expand_path" do
     File.expand_path(path).encoding.should equal(Encoding::CP1251)
 
     weird_path = [222, 173, 190, 175].pack('C*')
-    File.expand_path(weird_path).encoding.should equal(Encoding::ASCII_8BIT)
+    File.expand_path(weird_path).encoding.should equal(Encoding::BINARY)
   end
 
   platform_is_not :windows do
-    it "expands a path when the default external encoding is ASCII-8BIT" do
-      Encoding.default_external = Encoding::ASCII_8BIT
+    it "expands a path when the default external encoding is BINARY" do
+      Encoding.default_external = Encoding::BINARY
       path_8bit = [222, 173, 190, 175].pack('C*')
       File.expand_path( path_8bit, @rootdir).should == "#{@rootdir}" + path_8bit
     end

spec/ruby/core/file/fixtures/file_types.rb

@@ -52,15 +52,10 @@ module FileSpecs
   end
 
   def self.socket
-    require 'socket'
-    name = tmp("ftype_socket.socket")
-    rm_r name
-    begin
-      socket = UNIXServer.new name
-    rescue ArgumentError => error
-      error.message.should =~ /too long/
-      return
-    end
+    require_relative '../../../library/socket/fixtures/classes.rb'
+
+    name = SocketSpecs.socket_path
+    socket = UNIXServer.new name
     begin
       yield name
     ensure

spec/ruby/core/file/initialize_spec.rb

@@ -1,9 +1,5 @@
 require_relative '../../spec_helper'
 
-describe "File#initialize" do
-  it "needs to be reviewed for spec completeness"
-end
-
 describe "File#initialize" do
   after :each do
     @io.close if @io

spec/ruby/core/file/lchown_spec.rb

@@ -57,7 +57,3 @@ as_superuser do
     end
   end
 end
-
-describe "File.lchown" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/file/open_spec.rb

@@ -552,9 +552,9 @@ describe "File.open" do
     lambda { File.open(@file, 'fake') }.should raise_error(ArgumentError)
   end
 
-  it "defaults external_encoding to ASCII-8BIT for binary modes" do
-    File.open(@file, 'rb') {|f| f.external_encoding.should == Encoding::ASCII_8BIT}
-    File.open(@file, 'wb+') {|f| f.external_encoding.should == Encoding::ASCII_8BIT}
+  it "defaults external_encoding to BINARY for binary modes" do
+    File.open(@file, 'rb') {|f| f.external_encoding.should == Encoding::BINARY}
+    File.open(@file, 'wb+') {|f| f.external_encoding.should == Encoding::BINARY}
   end
 
   it "uses the second argument as an options Hash" do

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

@@ -55,10 +55,6 @@ describe "File::Stat#ftype" do
       end
     end
 
-    # This will silently not execute the block if no socket
-    # can be found. However, if you are running X, there is
-    # a good chance that if nothing else, at least the X
-    # Server socket exists.
     it "returns 'socket' when the file is a socket" do
       FileSpecs.socket do |socket|
         File.lstat(socket).ftype.should == 'socket'

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

@@ -5,7 +5,3 @@ require_relative 'fixtures/classes'
 describe "File::Stat#setgid?" do
   it_behaves_like :file_setgid, :setgid?, FileStat
 end
-
-describe "File::Stat#setgid?" do
-  it "needs to be reviewed for spec completeness"
-end

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

@@ -5,7 +5,3 @@ require_relative 'fixtures/classes'
 describe "File::Stat#setuid?" do
   it_behaves_like :file_setuid, :setuid?, FileStat
 end
-
-describe "File::Stat#setuid?" do
-  it "needs to be reviewed for spec completeness"
-end

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

@@ -5,7 +5,3 @@ require_relative 'fixtures/classes'
 describe "File::Stat#socket?" do
   it_behaves_like :file_socket, :socket?, FileStat
 end
-
-describe "File::Stat#socket?" do
-  it "needs to be reviewed for spec completeness"
-end

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

@@ -5,7 +5,3 @@ require_relative 'fixtures/classes'
 describe "File::Stat#sticky?" do
   it_behaves_like :file_sticky, :sticky?, FileStat
 end
-
-describe "File::Stat#sticky?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/filetest/owned_spec.rb

@@ -4,7 +4,3 @@ require_relative '../../shared/file/owned'
 describe "FileTest.owned?" do
   it_behaves_like :file_owned, :owned?, FileTest
 end
-
-describe "FileTest.owned?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/filetest/pipe_spec.rb

@@ -4,7 +4,3 @@ require_relative '../../shared/file/pipe'
 describe "FileTest.pipe?" do
   it_behaves_like :file_pipe, :pipe?, FileTest
 end
-
-describe "FileTest.pipe?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/filetest/setgid_spec.rb

@@ -4,7 +4,3 @@ require_relative '../../shared/file/setgid'
 describe "FileTest.setgid?" do
   it_behaves_like :file_setgid, :setgid?, FileTest
 end
-
-describe "FileTest.setgid?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/filetest/setuid_spec.rb

@@ -4,7 +4,3 @@ require_relative '../../shared/file/setuid'
 describe "FileTest.setuid?" do
   it_behaves_like :file_setuid, :setuid?, FileTest
 end
-
-describe "FileTest.setuid?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/filetest/socket_spec.rb

@@ -4,7 +4,3 @@ require_relative '../../shared/file/socket'
 describe "FileTest.socket?" do
   it_behaves_like :file_socket, :socket?, FileTest
 end
-
-describe "FileTest.socket?" do
-  it "needs to be reviewed for spec completeness"
-end

spec/ruby/core/hash/merge_spec.rb

@@ -99,11 +99,4 @@ end
 
 describe "Hash#merge!" do
   it_behaves_like :hash_update, :merge!
-
-  it "does not raise an exception if changing the value of an existing key during iteration" do
-      hash = {1 => 2, 3 => 4, 5 => 6}
-      hash2 = {1 => :foo, 3 => :bar}
-      hash.each { hash.merge!(hash2) }
-      hash.should == {1 => :foo, 3 => :bar, 5 => 6}
-  end
 end

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

@@ -57,6 +57,13 @@ describe :hash_update, shared: true do
     end.should raise_error(frozen_error_class)
   end
 
+  it "does not raise an exception if changing the value of an existing key during iteration" do
+    hash = {1 => 2, 3 => 4, 5 => 6}
+    hash2 = {1 => :foo, 3 => :bar}
+    hash.each { hash.send(@method, hash2) }
+    hash.should == {1 => :foo, 3 => :bar, 5 => 6}
+  end
+
   ruby_version_is "2.6" do
     it "accepts multiple hashes" do
       result = { a: 1 }.send(@method, { b: 2 }, { c: 3 }, { d: 4 })

spec/ruby/core/integer/chr_spec.rb

@@ -30,9 +30,9 @@ describe "Integer#chr without argument" do
     end
 
     describe "and self is between 128 and 255 (inclusive)" do
-      it "returns an ASCII-8BIT String" do
+      it "returns an BINARY String" do
         (128..255).each do |c|
-          c.chr.encoding.should == Encoding::ASCII_8BIT
+          c.chr.encoding.should == Encoding::BINARY
         end
       end
 
@@ -81,13 +81,13 @@ describe "Integer#chr without argument" do
     end
 
     describe "and self is between 128 and 255 (inclusive)" do
-      it "returns an ASCII-8BIT String" do
+      it "returns an BINARY String" do
         (128..255).each do |c|
           Encoding.default_internal = Encoding::UTF_8
-          c.chr.encoding.should == Encoding::ASCII_8BIT
+          c.chr.encoding.should == Encoding::BINARY
 
           Encoding.default_internal = Encoding::SHIFT_JIS
-          c.chr.encoding.should == Encoding::ASCII_8BIT
+          c.chr.encoding.should == Encoding::BINARY
         end
       end
 
@@ -126,7 +126,7 @@ describe "Integer#chr without argument" do
       # #5864
       it "raises RangeError if self is invalid as a codepoint in the default internal encoding" do
         [ [0x0100, "US-ASCII"],
-          [0x0100, "ASCII-8BIT"],
+          [0x0100, "BINARY"],
           [0x0100, "EUC-JP"],
           [0xA1A0, "EUC-JP"],
           [0x0100, "ISO-8859-9"],
@@ -173,10 +173,10 @@ describe "Integer#chr with an encoding argument" do
     0x0000.chr(Encoding::US_ASCII).encoding.should == Encoding::US_ASCII
     0x007F.chr(Encoding::US_ASCII).encoding.should == Encoding::US_ASCII
 
-    0x0000.chr(Encoding::ASCII_8BIT).encoding.should == Encoding::ASCII_8BIT
-    0x007F.chr(Encoding::ASCII_8BIT).encoding.should == Encoding::ASCII_8BIT
-    0x0080.chr(Encoding::ASCII_8BIT).encoding.should == Encoding::ASCII_8BIT
-    0x00FF.chr(Encoding::ASCII_8BIT).encoding.should == Encoding::ASCII_8BIT
+    0x0000.chr(Encoding::BINARY).encoding.should == Encoding::BINARY
+    0x007F.chr(Encoding::BINARY).encoding.should == Encoding::BINARY
+    0x0080.chr(Encoding::BINARY).encoding.should == Encoding::BINARY
+    0x00FF.chr(Encoding::BINARY).encoding.should == Encoding::BINARY
 
     0x0000.chr(Encoding::UTF_8).encoding.should == Encoding::UTF_8
     0x007F.chr(Encoding::UTF_8).encoding.should == Encoding::UTF_8
@@ -197,10 +197,10 @@ describe "Integer#chr with an encoding argument" do
     0x0000.chr(Encoding::US_ASCII).bytes.to_a.should == [0x00]
     0x007F.chr(Encoding::US_ASCII).bytes.to_a.should == [0x7F]
 
-    0x0000.chr(Encoding::ASCII_8BIT).bytes.to_a.should == [0x00]
-    0x007F.chr(Encoding::ASCII_8BIT).bytes.to_a.should == [0x7F]
-    0x0080.chr(Encoding::ASCII_8BIT).bytes.to_a.should == [0x80]
-    0x00FF.chr(Encoding::ASCII_8BIT).bytes.to_a.should == [0xFF]
+    0x0000.chr(Encoding::BINARY).bytes.to_a.should == [0x00]
+    0x007F.chr(Encoding::BINARY).bytes.to_a.should == [0x7F]
+    0x0080.chr(Encoding::BINARY).bytes.to_a.should == [0x80]
+    0x00FF.chr(Encoding::BINARY).bytes.to_a.should == [0xFF]
 
     0x0000.chr(Encoding::UTF_8).bytes.to_a.should == [0x00]
     0x007F.chr(Encoding::UTF_8).bytes.to_a.should == [0x7F]
@@ -220,7 +220,7 @@ describe "Integer#chr with an encoding argument" do
   # #5864
   it "raises RangeError if self is invalid as a codepoint in the specified encoding" do
     [ [0x80,   "US-ASCII"],
-      [0x0100, "ASCII-8BIT"],
+      [0x0100, "BINARY"],
       [0x0100, "EUC-JP"],
       [0xA1A0, "EUC-JP"],
       [0xA1,   "EUC-JP"],

spec/ruby/core/integer/round_spec.rb

@@ -67,12 +67,15 @@ describe "Integer#round" do
     25.round(-1, half: :up).should      eql(30)
     25.round(-1, half: :down).should    eql(20)
     25.round(-1, half: :even).should    eql(20)
+    25.round(-1, half: nil).should      eql(30)
     35.round(-1, half: :up).should      eql(40)
     35.round(-1, half: :down).should    eql(30)
     35.round(-1, half: :even).should    eql(40)
+    35.round(-1, half: nil).should      eql(40)
     (-25).round(-1, half: :up).should   eql(-30)
     (-25).round(-1, half: :down).should eql(-20)
     (-25).round(-1, half: :even).should eql(-20)
+    (-25).round(-1, half: nil).should   eql(-30)
   end
 
   ruby_version_is "2.4"..."2.5" do
@@ -90,4 +93,9 @@ describe "Integer#round" do
       35.round(1, half: :even).should    eql(35)
     end
   end
+
+  it "raises ArgumentError for an unknown rounding mode" do
+    lambda { 42.round(-1, half: :foo) }.should raise_error(ArgumentError, /invalid rounding mode: foo/)
+    lambda { 42.round(1, half: :foo) }.should raise_error(ArgumentError, /invalid rounding mode: foo/)
+  end
 end

spec/ruby/core/io/binread_spec.rb

@@ -28,13 +28,13 @@ describe "IO.binread" do
     IO.binread(@fname, 5, 3).should == @contents.slice(3, 5)
   end
 
-  it "returns a String in ASCII-8BIT encoding" do
-    IO.binread(@fname).encoding.should == Encoding::ASCII_8BIT
+  it "returns a String in BINARY encoding" do
+    IO.binread(@fname).encoding.should == Encoding::BINARY
   end
 
-  it "returns a String in ASCII-8BIT encoding regardless of Encoding.default_internal" do
+  it "returns a String in BINARY encoding regardless of Encoding.default_internal" do
     Encoding.default_internal = Encoding::EUC_JP
-    IO.binread(@fname).encoding.should == Encoding::ASCII_8BIT
+    IO.binread(@fname).encoding.should == Encoding::BINARY
   end
 
   it "raises an ArgumentError when not passed a valid length" do

spec/ruby/core/io/binwrite_spec.rb

@@ -3,6 +3,4 @@ require_relative 'shared/binwrite'
 
 describe "IO.binwrite" do
   it_behaves_like :io_binwrite, :binwrite
-
-  it "needs to be reviewed for spec completeness"
 end

spec/ruby/core/io/external_encoding_spec.rb

@@ -171,9 +171,9 @@ describe "IO#external_encoding" do
   end
 
   describe "with 'rb' mode" do
-    it "returns Encoding::ASCII_8BIT" do
+    it "returns Encoding::BINARY" do
       @io = new_io @name, "rb"
-      @io.external_encoding.should equal(Encoding::ASCII_8BIT)
+      @io.external_encoding.should equal(Encoding::BINARY)
     end
 
     it "returns the external encoding specified by the mode argument" do
@@ -191,9 +191,9 @@ describe "IO#external_encoding" do
   end
 
   describe "with 'wb' mode" do
-    it "returns Encoding::ASCII_8BIT" do
+    it "returns Encoding::BINARY" do
       @io = new_io @name, "wb"
-      @io.external_encoding.should equal(Encoding::ASCII_8BIT)
+      @io.external_encoding.should equal(Encoding::BINARY)
     end
 
     it "returns the external encoding specified by the mode argument" do

spec/ruby/core/io/gets_spec.rb

@@ -295,25 +295,25 @@ describe "IO#gets" do
   end
 
   it "overwrites the default external encoding with the IO object's own external encoding" do
-    Encoding.default_external = Encoding::ASCII_8BIT
+    Encoding.default_external = Encoding::BINARY
     Encoding.default_internal = Encoding::UTF_8
     @io = new_io @name, 'r'
     @io.set_encoding Encoding::IBM866
     @io.gets.encoding.should == Encoding::UTF_8
   end
 
-  it "ignores the internal encoding if the default external encoding is ASCII-8BIT" do
-    Encoding.default_external = Encoding::ASCII_8BIT
+  it "ignores the internal encoding if the default external encoding is BINARY" do
+    Encoding.default_external = Encoding::BINARY
     Encoding.default_internal = Encoding::UTF_8
     @io = new_io @name, 'r'
-    @io.gets.encoding.should == Encoding::ASCII_8BIT
+    @io.gets.encoding.should == Encoding::BINARY
   end
 
-  it "transcodes to internal encoding if the IO object's external encoding is ASCII-8BIT" do
-    Encoding.default_external = Encoding::ASCII_8BIT
+  it "transcodes to internal encoding if the IO object's external encoding is BINARY" do
+    Encoding.default_external = Encoding::BINARY
     Encoding.default_internal = Encoding::UTF_8
     @io = new_io @name, 'r'
-    @io.set_encoding Encoding::ASCII_8BIT, Encoding::UTF_8
+    @io.set_encoding Encoding::BINARY, Encoding::UTF_8
     @io.gets.encoding.should == Encoding::UTF_8
   end
 end

spec/ruby/core/io/internal_encoding_spec.rb

@@ -82,14 +82,14 @@ describe :io_internal_encoding, shared: true do
       @io.internal_encoding.should equal(Encoding::IBM437)
     end
 
-    it "returns nil when Encoding.default_external is ASCII-8BIT and the internal encoding is not set" do
-      Encoding.default_external = Encoding::ASCII_8BIT
+    it "returns nil when Encoding.default_external is BINARY and the internal encoding is not set" do
+      Encoding.default_external = Encoding::BINARY
       @io = new_io @name, @object
       @io.internal_encoding.should be_nil
     end
 
-    it "returns nil when the external encoding is ASCII-8BIT and the internal encoding is not set" do
-      @io = new_io @name, "#{@object}:ascii-8bit"
+    it "returns nil when the external encoding is BINARY and the internal encoding is not set" do
+      @io = new_io @name, "#{@object}:binary"
       @io.internal_encoding.should be_nil
     end
   end

spec/ruby/core/io/read_spec.rb

@@ -380,16 +380,16 @@ describe "IO#read in binary mode" do
 
     result = File.open(@name, "rb") { |f| f.read }.chomp
 
-    result.encoding.should == Encoding::ASCII_8BIT
+    result.encoding.should == Encoding::BINARY
     xE2 = [226].pack('C*')
-    result.should == ("abc" + xE2 + "def").force_encoding(Encoding::ASCII_8BIT)
+    result.should == ("abc" + xE2 + "def").force_encoding(Encoding::BINARY)
   end
 
   it "does not transcode file contents when an internal encoding is specified" do
     result = File.open(@name, "r:binary:utf-8") { |f| f.read }.chomp
-    result.encoding.should == Encoding::ASCII_8BIT
+    result.encoding.should == Encoding::BINARY
     xE2 = [226].pack('C*')
-    result.should == ("abc" + xE2 + "def").force_encoding(Encoding::ASCII_8BIT)
+    result.should == ("abc" + xE2 + "def").force_encoding(Encoding::BINARY)
   end
 end
 
@@ -420,37 +420,37 @@ describe "IO.read with BOM" do
   it "reads a file without a bom" do
     name = fixture __FILE__, "no_bom_UTF-8.txt"
     result = File.read(name, mode: "rb:BOM|utf-8")
-    result.force_encoding("ascii-8bit").should == "UTF-8\n"
+    result.force_encoding("binary").should == "UTF-8\n"
   end
 
   it "reads a file with a utf-8 bom" do
     name = fixture __FILE__, "bom_UTF-8.txt"
     result = File.read(name, mode: "rb:BOM|utf-16le")
-    result.force_encoding("ascii-8bit").should == "UTF-8\n"
+    result.force_encoding("binary").should == "UTF-8\n"
   end
 
   it "reads a file with a utf-16le bom" do
     name = fixture __FILE__, "bom_UTF-16LE.txt"
     result = File.read(name, mode: "rb:BOM|utf-8")
-    result.force_encoding("ascii-8bit").should == "U\x00T\x00F\x00-\x001\x006\x00L\x00E\x00\n\x00"
+    result.force_encoding("binary").should == "U\x00T\x00F\x00-\x001\x006\x00L\x00E\x00\n\x00"
   end
 
   it "reads a file with a utf-16be bom" do
     name = fixture __FILE__, "bom_UTF-16BE.txt"
     result = File.read(name, mode: "rb:BOM|utf-8")
-    result.force_encoding("ascii-8bit").should == "\x00U\x00T\x00F\x00-\x001\x006\x00B\x00E\x00\n"
+    result.force_encoding("binary").should == "\x00U\x00T\x00F\x00-\x001\x006\x00B\x00E\x00\n"
   end
 
   it "reads a file with a utf-32le bom" do
     name = fixture __FILE__, "bom_UTF-32LE.txt"
     result = File.read(name, mode: "rb:BOM|utf-8")
-    result.force_encoding("ascii-8bit").should == "U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00L\x00\x00\x00E\x00\x00\x00\n\x00\x00\x00"
+    result.force_encoding("binary").should == "U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00L\x00\x00\x00E\x00\x00\x00\n\x00\x00\x00"
   end
 
   it "reads a file with a utf-32be bom" do
     name = fixture __FILE__, "bom_UTF-32BE.txt"
     result = File.read(name, mode: "rb:BOM|utf-8")
-    result.force_encoding("ascii-8bit").should == "\x00\x00\x00U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00B\x00\x00\x00E\x00\x00\x00\n"
+    result.force_encoding("binary").should == "\x00\x00\x00U\x00\x00\x00T\x00\x00\x00F\x00\x00\x00-\x00\x00\x003\x00\x00\x002\x00\x00\x00B\x00\x00\x00E\x00\x00\x00\n"
   end
 end
 
@@ -480,11 +480,11 @@ end
 
 describe :io_read_size_internal_encoding, shared: true do
   it "reads bytes when passed a size" do
-    @io.read(2).should == [164, 162].pack('C*').force_encoding(Encoding::ASCII_8BIT)
+    @io.read(2).should == [164, 162].pack('C*').force_encoding(Encoding::BINARY)
   end
 
-  it "returns a String in ASCII-8BIT when passed a size" do
-    @io.read(4).encoding.should equal(Encoding::ASCII_8BIT)
+  it "returns a String in BINARY when passed a size" do
+    @io.read(4).encoding.should equal(Encoding::BINARY)
   end
 
   it "does not change the buffer's encoding when passed a limit" do

spec/ruby/core/io/readbyte_spec.rb

@@ -21,6 +21,4 @@ describe "IO#readbyte" do
       @io.readbyte
     end.should raise_error EOFError
   end
-
-  it "needs to be reviewed for spec completeness"
 end

spec/ruby/core/io/readlines_spec.rb

@@ -201,10 +201,10 @@ describe "IO.readlines" do
     lines.all? { |s| s.encoding == Encoding::UTF_16 }.should be_true
   end
 
-  it "ignores the default internal encoding if the external encoding is ASCII-8BIT" do
-    Encoding.default_external = Encoding::ASCII_8BIT
+  it "ignores the default internal encoding if the external encoding is BINARY" do
+    Encoding.default_external = Encoding::BINARY
     Encoding.default_internal = Encoding::UTF_8
     lines = IO.readlines(@name)
-    lines.all? { |s| s.encoding == Encoding::ASCII_8BIT }.should be_true
+    lines.all? { |s| s.encoding == Encoding::BINARY }.should be_true
   end
 end

spec/ruby/core/io/readpartial_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 

spec/ruby/core/io/set_encoding_spec.rb

@@ -87,7 +87,7 @@ describe "IO#set_encoding when passed nil, nil" do
   describe "with 'rb' mode" do
     it "returns Encoding.default_external" do
       @io = new_io @name, "rb"
-      @io.external_encoding.should equal(Encoding::ASCII_8BIT)
+      @io.external_encoding.should equal(Encoding::BINARY)
 
       @io.set_encoding nil, nil
       @io.external_encoding.should equal(Encoding.default_external)

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

@@ -168,13 +168,13 @@ describe :io_new, shared: true do
 
   it "sets external encoding to binary with binmode in mode string" do
     @io = IO.send(@method, @fd, 'wb')
-    @io.external_encoding.to_s.should == 'ASCII-8BIT'
+    @io.external_encoding.should == Encoding::BINARY
   end
 
   # #5917
   it "sets external encoding to binary with :binmode option" do
     @io = IO.send(@method, @fd, 'w', {binmode: true})
-    @io.external_encoding.to_s.should == 'ASCII-8BIT'
+    @io.external_encoding.should == Encoding::BINARY
   end
 
   it "does not use binary encoding when mode encoding is specified" do

spec/ruby/core/io/write_spec.rb

@@ -70,7 +70,7 @@ describe "IO#write on a file" do
     ë = ([235].pack('U')).encode('ISO-8859-1')
     ö = ([246].pack('U')).encode('ISO-8859-1')
     res = "H#{ë}ll#{ö}"
-    File.binread(@filename).should == res.force_encoding(Encoding::ASCII_8BIT)
+    File.binread(@filename).should == res.force_encoding(Encoding::BINARY)
   end
 end
 
@@ -94,7 +94,7 @@ describe "IO.write" do
     IO.write(@filename, 'Hëllö'.encode('ISO-8859-1'))
     xEB = [235].pack('C*')
     xF6 = [246].pack('C*')
-    File.binread(@filename).should == ("H" + xEB + "ll" + xF6).force_encoding(Encoding::ASCII_8BIT)
+    File.binread(@filename).should == ("H" + xEB + "ll" + xF6).force_encoding(Encoding::BINARY)
   end
 
   platform_is_not :windows do

spec/ruby/core/kernel/open_spec.rb

@@ -45,8 +45,10 @@ describe "Kernel#open" do
     end
 
     it "opens an io for writing" do
-      bytes = open("|cat", "w") { |io| io.write(".") }
-      bytes.should == 1
+      -> do
+        bytes = open("|cat", "w") { |io| io.write(".") }
+        bytes.should == 1
+      end.should output_to_fd(".")
     end
   end
 

spec/ruby/core/kernel/proc_spec.rb

@@ -59,6 +59,4 @@ describe "Kernel#proc" do
       }.should complain(/Capturing the given block using Proc.new is deprecated/)
     end
   end
-
-  it "needs to be reviewed for spec completeness"
 end

spec/ruby/core/kernel/require_relative_spec.rb

@@ -2,8 +2,6 @@ require_relative '../../spec_helper'
 require_relative '../../fixtures/code_loading'
 
 describe "Kernel#require_relative with a relative path" do
-  it "needs to be reviewed for spec completeness"
-
   before :each do
     CodeLoadingSpecs.spec_setup
     @dir = "../../fixtures/code"
@@ -267,8 +265,6 @@ describe "Kernel#require_relative with a relative path" do
 end
 
 describe "Kernel#require_relative with an absolute path" do
-  it "needs to be reviewed for spec completeness"
-
   before :each do
     CodeLoadingSpecs.spec_setup
     @dir = File.expand_path "../../fixtures/code", File.dirname(__FILE__)

spec/ruby/core/kernel/select_spec.rb

@@ -8,8 +8,6 @@ describe "Kernel#select" do
 end
 
 describe "Kernel.select" do
-  it "needs to be reviewed for spec completeness"
-
   it 'does not block when timeout is 0' do
     IO.pipe do |read, write|
       IO.select([read], [], [], 0).should == nil

spec/ruby/core/marshal/shared/load.rb

@@ -446,11 +446,11 @@ describe :marshal_load, shared: true do
       result.encoding.should equal(Encoding::UTF_16LE)
     end
 
-    it "loads a String as ASCII-8BIT if no encoding is specified at the end" do
-      str = "\xC3\xB8".force_encoding("ASCII-8BIT")
+    it "loads a String as BINARY if no encoding is specified at the end" do
+      str = "\xC3\xB8".force_encoding("BINARY")
       data = "\x04\b\"\a\xC3\xB8".force_encoding("UTF-8")
       result = Marshal.send(@method, data)
-      result.encoding.should == Encoding::ASCII_8BIT
+      result.encoding.should == Encoding::BINARY
       result.should == str
     end
   end

spec/ruby/core/method/hash_spec.rb

@@ -2,8 +2,6 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
 describe "Method#hash" do
-  it "needs to be reviewed for spec completeness"
-
   it "returns the same value for user methods that are eql?" do
     obj = MethodSpecs::Methods.new
     obj.method(:foo).hash.should == obj.method(:bar).hash

spec/ruby/core/module/define_singleton_method_spec.rb

@@ -12,6 +12,4 @@ describe "Module#define_singleton_method" do
     klass.a.should == 42
     klass.b(10).should == 20
   end
-
-  it "needs to be reviewed for spec completeness"
 end

spec/ruby/core/proc/shared/to_s.rb

@@ -4,8 +4,8 @@ describe :proc_to_s, shared: true do
       Proc.new { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:4)?>$/
     end
 
-    it "has an ASCII-8BIT encoding" do
-      Proc.new { "hello" }.send(@method).encoding.should == Encoding::ASCII_8BIT
+    it "has an BINARY encoding" do
+      Proc.new { "hello" }.send(@method).encoding.should == Encoding::BINARY
     end
   end
 
@@ -14,8 +14,8 @@ describe :proc_to_s, shared: true do
       lambda { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:10)? \(lambda\)>$/
     end
 
-    it "has an ASCII-8BIT encoding" do
-      lambda { "hello" }.send(@method).encoding.should == Encoding::ASCII_8BIT
+    it "has an BINARY encoding" do
+      lambda { "hello" }.send(@method).encoding.should == Encoding::BINARY
     end
   end
 
@@ -24,8 +24,8 @@ describe :proc_to_s, shared: true do
       proc { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:16)?>$/
     end
 
-    it "has an ASCII-8BIT encoding" do
-      proc { "hello" }.send(@method).encoding.should == Encoding::ASCII_8BIT
+    it "has an BINARY encoding" do
+      proc { "hello" }.send(@method).encoding.should == Encoding::BINARY
     end
   end
 
@@ -35,9 +35,9 @@ describe :proc_to_s, shared: true do
       method("hello").to_proc.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:22)? \(lambda\)>$/
     end
 
-    it "has an ASCII-8BIT encoding" do
+    it "has an BINARY encoding" do
       def hello; end
-      method("hello").to_proc.send(@method).encoding.should == Encoding::ASCII_8BIT
+      method("hello").to_proc.send(@method).encoding.should == Encoding::BINARY
     end
   end
 
@@ -47,9 +47,9 @@ describe :proc_to_s, shared: true do
       proc.send(@method).should =~ /^#<Proc:0x\h+\(&:foobar\)>$/
     end
 
-    it "has an ASCII-8BIT encoding" do
+    it "has an BINARY encoding" do
       proc = :foobar.to_proc
-      proc.send(@method).encoding.should == Encoding::ASCII_8BIT
+      proc.send(@method).encoding.should == Encoding::BINARY
     end
   end
 end

spec/ruby/core/process/fixtures/clocks.rb

@@ -11,7 +11,7 @@ module ProcessSpecs
       clocks -= [:CLOCK_BOOTTIME_ALARM, :CLOCK_REALTIME_ALARM]
     end
 
-    clocks.map { |c|
+    clocks.sort.map { |c|
       [c, Process.const_get(c)]
     }
   end

spec/ruby/core/process/getrlimit_spec.rb

@@ -41,9 +41,9 @@ platform_is_not :windows do
     end
 
     context "when passed a Symbol" do
-      Process.constants.grep(/\ARLIMIT_/) do |fullname|
-        short = $'
-        it "coerces :#{short} into #{fullname}" do
+      it "coerces the short name into the full RLIMIT_ prefixed name" do
+        Process.constants.grep(/\ARLIMIT_/) do |fullname|
+          short = fullname[/\ARLIMIT_(.+)/, 1]
           Process.getrlimit(short.to_sym).should == Process.getrlimit(Process.const_get(fullname))
         end
       end
@@ -54,9 +54,9 @@ platform_is_not :windows do
     end
 
     context "when passed a String" do
-      Process.constants.grep(/\ARLIMIT_/) do |fullname|
-        short = $'
-        it "coerces '#{short}' into #{fullname}" do
+      it "coerces the short name into the full RLIMIT_ prefixed name" do
+        Process.constants.grep(/\ARLIMIT_/) do |fullname|
+          short = fullname[/\ARLIMIT_(.+)/, 1]
           Process.getrlimit(short).should == Process.getrlimit(Process.const_get(fullname))
         end
       end

spec/ruby/core/process/waitpid_spec.rb

@@ -1,8 +1,6 @@
 require_relative '../../spec_helper'
 
 describe "Process.waitpid" do
-  it "needs to be reviewed for spec completeness"
-
   it "returns nil when the process has not yet completed and WNOHANG is specified" do
     pid = spawn("sleep 5")
     begin

spec/ruby/core/random/shared/bytes.rb

@@ -7,8 +7,8 @@ describe :random_bytes, shared: true do
     @object.bytes(15).length.should == 15
   end
 
-  it "returns an ASCII-8BIT String" do
-    @object.bytes(15).encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY String" do
+    @object.bytes(15).encoding.should == Encoding::BINARY
   end
 
   it "returns a random binary String" do

spec/ruby/core/random/shared/urandom.rb

@@ -13,8 +13,8 @@ describe :random_urandom, shared: true do
     }.should raise_error(ArgumentError)
   end
 
-  it "returns an ASCII-8BIT String" do
-    Random.send(@method, 15).encoding.should == Encoding::ASCII_8BIT
+  it "returns an BINARY String" do
+    Random.send(@method, 15).encoding.should == Encoding::BINARY
   end
 
   it "returns a random binary String" do

spec/ruby/core/range/cover_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 require_relative 'shared/cover_and_include'
 require_relative 'shared/cover'

spec/ruby/core/range/include_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 require_relative 'shared/cover_and_include'
 require_relative 'shared/include'

spec/ruby/core/range/member_spec.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../spec_helper'
 require_relative 'shared/cover_and_include'
 require_relative 'shared/include'

spec/ruby/core/range/shared/cover.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 

spec/ruby/core/range/shared/cover_and_include.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 
 describe :range_cover_and_include, shared: true do

spec/ruby/core/range/shared/include.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 require_relative '../../../spec_helper'
 require_relative '../fixtures/classes'
 

spec/ruby/core/regexp/encoding_spec.rb

@@ -14,8 +14,8 @@ describe "Regexp#encoding" do
     /ASCII/n.encoding.should == Encoding::US_ASCII
   end
 
-  it "returns ASCII-8BIT if the 'n' modifier is supplied and non-US-ASCII characters are present" do
-    /\xc2\xa1/n.encoding.should == Encoding::ASCII_8BIT
+  it "returns BINARY if the 'n' modifier is supplied and non-US-ASCII characters are present" do
+    /\xc2\xa1/n.encoding.should == Encoding::BINARY
   end
 
   it "defaults to UTF-8 if \\u escapes appear" do

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

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 describe :regexp_new, shared: true do
   it "requires one argument and creates a new regular expression object" do
@@ -135,10 +135,10 @@ describe :regexp_new_string, shared: true do
     a = "(?:[\x8E\xA1-\xFE])"
     str = "\A(?:#{a}|x*)\z"
 
-    Regexp.send(@method, str, nil, 'N').encoding.should == Encoding::ASCII_8BIT
-    Regexp.send(@method, str, nil, 'n').encoding.should == Encoding::ASCII_8BIT
-    Regexp.send(@method, str, nil, 'none').encoding.should == Encoding::ASCII_8BIT
-    Regexp.send(@method, str, nil, 'NONE').encoding.should == Encoding::ASCII_8BIT
+    Regexp.send(@method, str, nil, 'N').encoding.should == Encoding::BINARY
+    Regexp.send(@method, str, nil, 'n').encoding.should == Encoding::BINARY
+    Regexp.send(@method, str, nil, 'none').encoding.should == Encoding::BINARY
+    Regexp.send(@method, str, nil, 'NONE').encoding.should == Encoding::BINARY
   end
 
   describe "with escaped characters" do
@@ -499,7 +499,7 @@ describe :regexp_new_regexp, shared: true do
     end
 
     it "sets the encoding to source String's encoding if the Regexp literal has the 'n' option and the source String is not ASCII only" do
-      Regexp.send(@method, Regexp.new("\\xff", nil, 'n')).encoding.should == Encoding::ASCII_8BIT
+      Regexp.send(@method, Regexp.new("\\xff", nil, 'n')).encoding.should == Encoding::BINARY
     end
   end
 end

spec/ruby/core/regexp/shared/quote.rb

@@ -1,4 +1,4 @@
-# -*- encoding: ascii-8bit -*-
+# -*- encoding: binary -*-
 
 describe :regexp_quote, shared: true do
   it "escapes any characters with special meaning in a regular expression" do
@@ -23,9 +23,9 @@ describe :regexp_quote, shared: true do
     Regexp.send(@method, str).encoding.should == Encoding::UTF_8
   end
 
-  it "sets the encoding of the result to ASCII-8BIT if any non-US-ASCII characters are present in an input String with invalid encoding" do
+  it "sets the encoding of the result to BINARY if any non-US-ASCII characters are present in an input String with invalid encoding" do
     str = "\xff".force_encoding "us-ascii"
     str.valid_encoding?.should be_false
-    Regexp.send(@method, "\xff").encoding.should == Encoding::ASCII_8BIT
+    Regexp.send(@method, "\xff").encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/signal/fixtures/trap_all.rb

@@ -1,8 +1,15 @@
-reserved_signals = ARGV
+cannot_be_trapped = %w[KILL STOP] # See man 2 signal
 
-(Signal.list.keys - reserved_signals).each do |signal|
-  Signal.trap(signal, -> {})
-  Signal.trap(signal, "DEFAULT")
+(Signal.list.keys - cannot_be_trapped).each do |signal|
+  begin
+    Signal.trap(signal, -> {})
+  rescue ArgumentError => e
+    unless /can't trap reserved signal|Signal already used by VM or OS/ =~ e.message
+      raise e
+    end
+  else
+    Signal.trap(signal, "DEFAULT")
+  end
 end
 
 puts "OK"

spec/ruby/core/signal/trap_spec.rb

@@ -4,8 +4,7 @@ platform_is_not :windows do
   describe "Signal.trap" do
     before :each do
       ScratchPad.clear
-
-      @proc = lambda { ScratchPad.record :proc_trap }
+      @proc = -> {}
       @saved_trap = Signal.trap(:HUP, @proc)
     end
 
@@ -48,29 +47,54 @@ platform_is_not :windows do
       ScratchPad.recorded.should be_true
     end
 
+    it "registers an handler doing nothing with :IGNORE" do
+      Signal.trap :HUP, :IGNORE
+      Process.kill(:HUP, Process.pid).should == 1
+    end
+
     it "ignores the signal when passed nil" do
       Signal.trap :HUP, nil
       Signal.trap(:HUP, @saved_trap).should be_nil
     end
 
-    it "accepts 'DEFAULT' as a symbol in place of a proc" do
+    it "accepts :DEFAULT in place of a proc" do
       Signal.trap :HUP, :DEFAULT
-      Signal.trap(:HUP, :DEFAULT).should == "DEFAULT"
+      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
     end
 
-    it "accepts 'SIG_DFL' as a symbol in place of a proc" do
+    it "accepts :SIG_DFL in place of a proc" do
       Signal.trap :HUP, :SIG_DFL
-      Signal.trap(:HUP, :SIG_DFL).should == "DEFAULT"
+      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
     end
 
-    it "accepts 'SIG_IGN' as a symbol in place of a proc" do
+    it "accepts :SIG_IGN in place of a proc" do
       Signal.trap :HUP, :SIG_IGN
-      Signal.trap(:HUP, :SIG_IGN).should == "IGNORE"
+      Signal.trap(:HUP, @saved_trap).should == "IGNORE"
     end
 
-    it "accepts 'IGNORE' as a symbol in place of a proc" do
+    it "accepts :IGNORE in place of a proc" do
       Signal.trap :HUP, :IGNORE
-      Signal.trap(:HUP, :IGNORE).should == "IGNORE"
+      Signal.trap(:HUP, @saved_trap).should == "IGNORE"
+    end
+
+    it "accepts 'SIG_DFL' in place of a proc" do
+      Signal.trap :HUP, "SIG_DFL"
+      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
+    end
+
+    it "accepts 'DEFAULT' in place of a proc" do
+      Signal.trap :HUP, "DEFAULT"
+      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
+    end
+
+    it "accepts 'SIG_IGN' in place of a proc" do
+      Signal.trap :HUP, "SIG_IGN"
+      Signal.trap(:HUP, @saved_trap).should == "IGNORE"
+    end
+
+    it "accepts 'IGNORE' in place of a proc" do
+      Signal.trap :HUP, "IGNORE"
+      Signal.trap(:HUP, @saved_trap).should == "IGNORE"
     end
 
     it "accepts long names as Strings" do
@@ -92,47 +116,11 @@ platform_is_not :windows do
       Signal.trap :HUP, @proc
       Signal.trap(:HUP, @saved_trap).should equal(@proc)
     end
-
-    it "accepts 'SIG_DFL' in place of a proc" do
-      Signal.trap :HUP, "SIG_DFL"
-      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
-    end
-
-    it "accepts 'DEFAULT' in place of a proc" do
-      Signal.trap :HUP, "DEFAULT"
-      Signal.trap(:HUP, @saved_trap).should == "DEFAULT"
-    end
-
-    it "accepts 'SIG_IGN' in place of a proc" do
-      Signal.trap :HUP, "SIG_IGN"
-      Signal.trap(:HUP, "SIG_IGN").should == "IGNORE"
-    end
-
-    it "accepts 'IGNORE' in place of a proc" do
-      Signal.trap :HUP, "IGNORE"
-      Signal.trap(:HUP, "IGNORE").should == "IGNORE"
-    end
   end
 
   describe "Signal.trap" do
-    cannot_be_trapped = %w[KILL STOP] # See man 2 signal
-    reserved_signals = %w[VTALRM]
-
-    if PlatformGuard.implementation?(:ruby)
-      reserved_signals += %w[SEGV ILL FPE BUS]
-    end
-
-    if PlatformGuard.implementation?(:truffleruby)
-      if !TruffleRuby.native?
-        reserved_signals += %w[SEGV ILL FPE USR1 QUIT]
-      end
-    end
-
-    if PlatformGuard.implementation?(:jruby)
-      reserved_signals += %w[SEGV ILL FPE BUS USR1 QUIT]
-    end
-
-    cannot_be_trapped.each do |signal|
+    # See man 2 signal
+    %w[KILL STOP].each do |signal|
       it "raises ArgumentError or Errno::EINVAL for SIG#{signal}" do
         -> {
           trap(signal, -> {})
@@ -143,17 +131,8 @@ platform_is_not :windows do
       end
     end
 
-    reserved_signals.each do |signal|
-      it "raises ArgumentError for reserved signal: SIG#{signal}" do
-        -> {
-          trap(signal, -> {})
-        }.should raise_error(ArgumentError, /can't trap reserved signal|Signal already used by VM or OS/)
-      end
-    end
-
-    it "allows to register a handler for all known signals, except reserved signals" do
-      excluded = cannot_be_trapped + reserved_signals
-      out = ruby_exe(fixture(__FILE__, "trap_all.rb"), args: [*excluded, "2>&1"])
+    it "allows to register a handler for all known signals, except reserved signals for which it raises ArgumentError" do
+      out = ruby_exe(fixture(__FILE__, "trap_all.rb"), args: "2>&1")
       out.should == "OK\n"
       $?.exitstatus.should == 0
     end

spec/ruby/core/string/ascii_only_spec.rb

@@ -24,9 +24,9 @@ describe "String#ascii_only?" do
   end
 
   describe "with non-ASCII only characters" do
-    it "returns false if the encoding is ASCII-8BIT" do
+    it "returns false if the encoding is BINARY" do
       chr = 128.chr
-      chr.encoding.should == Encoding::ASCII_8BIT
+      chr.encoding.should == Encoding::BINARY
       chr.ascii_only?.should be_false
     end
 

spec/ruby/core/string/b_spec.rb

@@ -2,9 +2,9 @@
 require_relative '../../spec_helper'
 
 describe "String#b" do
-  it "returns an ASCII-8BIT encoded string" do
-    "Hello".b.should == "Hello".force_encoding(Encoding::ASCII_8BIT)
-    "こんちには".b.should == "こんちには".force_encoding(Encoding::ASCII_8BIT)
+  it "returns an BINARY encoded string" do
+    "Hello".b.should == "Hello".force_encoding(Encoding::BINARY)
+    "こんちには".b.should == "こんちには".force_encoding(Encoding::BINARY)
   end
 
   it "returns new string without modifying self" do

spec/ruby/core/string/bytesize_spec.rb

@@ -3,8 +3,6 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
 describe "#String#bytesize" do
-  it "needs to be reviewed for spec completeness"
-
   it "returns the length of self in bytes" do
     "hello".bytesize.should == 5
     " ".bytesize.should == 1

spec/ruby/core/string/element_set_spec.rb

@@ -134,9 +134,9 @@ describe "String#[]= with Fixnum index" do
 
   it "encodes the String in an encoding compatible with the replacement" do
     str = " ".force_encoding Encoding::US_ASCII
-    rep = [160].pack('C').force_encoding Encoding::ASCII_8BIT
+    rep = [160].pack('C').force_encoding Encoding::BINARY
     str[0] = rep
-    str.encoding.should equal(Encoding::ASCII_8BIT)
+    str.encoding.should equal(Encoding::BINARY)
   end
 
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do
@@ -190,9 +190,9 @@ describe "String#[]= with String index" do
 
   it "encodes the String in an encoding compatible with the replacement" do
     str = " ".force_encoding Encoding::US_ASCII
-    rep = [160].pack('C').force_encoding Encoding::ASCII_8BIT
+    rep = [160].pack('C').force_encoding Encoding::BINARY
     str[" "] = rep
-    str.encoding.should equal(Encoding::ASCII_8BIT)
+    str.encoding.should equal(Encoding::BINARY)
   end
 
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do
@@ -303,9 +303,9 @@ describe "String#[]= with a Regexp index" do
 
   it "encodes the String in an encoding compatible with the replacement" do
     str = " ".force_encoding Encoding::US_ASCII
-    rep = [160].pack('C').force_encoding Encoding::ASCII_8BIT
+    rep = [160].pack('C').force_encoding Encoding::BINARY
     str[/ /] = rep
-    str.encoding.should equal(Encoding::ASCII_8BIT)
+    str.encoding.should equal(Encoding::BINARY)
   end
 
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do
@@ -424,9 +424,9 @@ describe "String#[]= with a Range index" do
 
   it "encodes the String in an encoding compatible with the replacement" do
     str = " ".force_encoding Encoding::US_ASCII
-    rep = [160].pack('C').force_encoding Encoding::ASCII_8BIT
+    rep = [160].pack('C').force_encoding Encoding::BINARY
     str[0..1] = rep
-    str.encoding.should equal(Encoding::ASCII_8BIT)
+    str.encoding.should equal(Encoding::BINARY)
   end
 
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do
@@ -589,9 +589,9 @@ describe "String#[]= with Fixnum index, count" do
 
   it "encodes the String in an encoding compatible with the replacement" do
     str = " ".force_encoding Encoding::US_ASCII
-    rep = [160].pack('C').force_encoding Encoding::ASCII_8BIT
+    rep = [160].pack('C').force_encoding Encoding::BINARY
     str[0, 1] = rep
-    str.encoding.should equal(Encoding::ASCII_8BIT)
+    str.encoding.should equal(Encoding::BINARY)
   end
 
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do

spec/ruby/core/string/encode_spec.rb

@@ -30,7 +30,7 @@ describe "String#encode" do
 
     it "encodes an ascii substring of a binary string to UTF-8" do
       x82 = [0x82].pack('C')
-      str =  "#{x82}foo".force_encoding("ascii-8bit")[1..-1].encode("utf-8")
+      str =  "#{x82}foo".force_encoding("binary")[1..-1].encode("utf-8")
       str.should == "foo".force_encoding("utf-8")
       str.encoding.should equal(Encoding::UTF_8)
     end
@@ -60,12 +60,18 @@ describe "String#encode" do
 
       "\rfoo".encode(universal_newline: true).should == "\nfoo"
     end
+
+    it "replaces invalid encoding" do
+      encoded = "ち\xE3\x81\xFF".encode("UTF-16LE", invalid: :replace, replace: "?")
+      encoded.should == "\u3061??".encode("UTF-16LE")
+      encoded.encode("UTF-8").should == "ち??"
+    end
   end
 
   describe "when passed to, from" do
     it "returns a copy in the destination encoding when both encodings are the same" do
       str = "あ"
-      str.force_encoding("ascii-8bit")
+      str.force_encoding("binary")
       encoded = str.encode("utf-8", "utf-8")
 
       encoded.should_not equal(str)

spec/ruby/core/string/encoding_spec.rb

@@ -125,13 +125,13 @@ describe "String#encoding for Strings with \\x escapes" do
     s.encoding.should == Encoding::US_ASCII
   end
 
-  it "returns ASCII-8BIT when an escape creates a byte with the 8th bit set if the source encoding is US-ASCII" do
+  it "returns BINARY when an escape creates a byte with the 8th bit set if the source encoding is US-ASCII" do
     __ENCODING__.should == Encoding::US_ASCII
     str = " "
     str.encoding.should == Encoding::US_ASCII
     str += [0xDF].pack('C')
     str.ascii_only?.should be_false
-    str.encoding.should == Encoding::ASCII_8BIT
+    str.encoding.should == Encoding::BINARY
   end
 
   # TODO: Deal with case when the byte in question isn't valid in the source
@@ -155,7 +155,7 @@ describe "String#encoding for Strings with \\x escapes" do
     default_external = Encoding.default_external
     Encoding.default_external = Encoding::SHIFT_JIS
     "\x50".encoding.should == Encoding::US_ASCII
-    [0xD4].pack('C').encoding.should == Encoding::ASCII_8BIT
+    [0xD4].pack('C').encoding.should == Encoding::BINARY
     Encoding.default_external = default_external
   end
 
@@ -166,7 +166,7 @@ describe "String#encoding for Strings with \\x escapes" do
     Encoding.default_external = Encoding::SHIFT_JIS
     x50 = "\x50"
     x50.encoding.should == Encoding::US_ASCII
-    [0xD4].pack('C').encoding.should == Encoding::ASCII_8BIT
+    [0xD4].pack('C').encoding.should == Encoding::BINARY
     Encoding.default_external = default_external
     Encoding.default_internal = default_internal
   end