Update to ruby/spec@226cfdc

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

@@ -12,6 +12,17 @@ describe "Array#pack with format 'A'" do
   it_behaves_like :array_pack_string, 'A'
   it_behaves_like :array_pack_taint, 'A'
 
+  it "calls #to_str to convert an Object to a String" do
+    obj = mock("pack A string")
+    obj.should_receive(:to_str).and_return("``abcdef")
+    [obj].pack("A*").should == "``abcdef"
+  end
+
+  it "will not implicitly convert a number to a string" do
+    -> { [0].pack('A') }.should raise_error(TypeError)
+    -> { [0].pack('a') }.should raise_error(TypeError)
+  end
+
   it "adds all the bytes to the output when passed the '*' modifier" do
     ["abc"].pack("A*").should == "abc"
   end

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

@@ -13,11 +13,16 @@ describe "Array#pack with format 'B'" do
   it_behaves_like :array_pack_taint, 'B'
 
   it "calls #to_str to convert an Object to a String" do
-    obj = mock("pack H string")
+    obj = mock("pack B string")
     obj.should_receive(:to_str).and_return("``abcdef")
     [obj].pack("B*").should == "\x2a"
   end
 
+  it "will not implicitly convert a number to a string" do
+    -> { [0].pack('B') }.should raise_error(TypeError)
+    -> { [0].pack('b') }.should raise_error(TypeError)
+  end
+
   it "encodes one bit for each character starting with the most significant bit" do
     [ [["0"], "\x00"],
       [["1"], "\x80"]

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

@@ -18,6 +18,11 @@ describe "Array#pack with format 'H'" do
     [obj].pack("H").should == "\xa0"
   end
 
+  it "will not implicitly convert a number to a string" do
+    -> { [0].pack('H') }.should raise_error(TypeError)
+    -> { [0].pack('h') }.should raise_error(TypeError)
+  end
+
   it "encodes the first character as the most significant nibble when passed no count modifier" do
     ["ab"].pack("H").should == "\xa0"
   end

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

@@ -53,6 +53,14 @@ describe :array_pack_float_le, shared: true do
   it "encodes a negative Float outside the range of a single precision float" do
     [-1e150].pack(pack_format).should == "\x00\x00\x80\xff"
   end
+
+  it "encodes a bignum as a float" do
+    [2 ** 65].pack(pack_format).should == [(2 ** 65).to_f].pack(pack_format)
+  end
+
+  it "encodes a rational as a float" do
+    [Rational(3, 4)].pack(pack_format).should == [Rational(3, 4).to_f].pack(pack_format)
+  end
 end
 
 describe :array_pack_float_be, shared: true do

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

@@ -18,6 +18,16 @@ describe "Array#pack with format 'u'" do
   it_behaves_like :array_pack_arguments, 'u'
   it_behaves_like :array_pack_taint, 'u'
 
+  it "calls #to_str to convert an Object to a String" do
+    obj = mock("pack u string")
+    obj.should_receive(:to_str).and_return("``abcdef")
+    [obj].pack("u*").should == "(8&!A8F-D968`\n"
+  end
+
+  it "will not implicitly convert a number to a string" do
+    -> { [0].pack('u') }.should raise_error(TypeError)
+  end
+
   it "encodes an empty string as an empty string" do
     [""].pack("u").should == ""
   end

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

@@ -12,6 +12,16 @@ describe "Array#pack with format 'Z'" do
   it_behaves_like :array_pack_string, 'Z'
   it_behaves_like :array_pack_taint, 'Z'
 
+  it "calls #to_str to convert an Object to a String" do
+    obj = mock("pack Z string")
+    obj.should_receive(:to_str).and_return("``abcdef")
+    [obj].pack("Z*").should == "``abcdef\x00"
+  end
+
+  it "will not implicitly convert a number to a string" do
+    -> { [0].pack('Z') }.should raise_error(TypeError)
+  end
+
   it "adds all the bytes and appends a NULL byte when passed the '*' modifier" do
     ["abc"].pack("Z*").should == "abc\x00"
   end

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

@@ -75,6 +75,14 @@ describe :file_fnmatch, shared: true do
     File.send(@method, 'c*t', 'c/a/b/t').should == true
   end
 
+  it "does not match unterminated range of characters" do
+    File.send(@method, 'abc[de', 'abcd').should == false
+  end
+
+  it "does not match unterminated range of characters as a literal" do
+    File.send(@method, 'abc[de', 'abc[de').should == false
+  end
+
   it "matches ranges of characters using bracket expression (e.g. [a-z])" do
     File.send(@method, 'ca[a-z]', 'cat').should == true
   end

spec/ruby/core/hash/to_a_spec.rb

@@ -36,4 +36,14 @@ describe "Hash#to_a" do
       {}.untrust.to_a.untrusted?.should be_true
     end
   end
+
+  ruby_version_is '2.7'...'3.0' do
+    it "returns a not tainted array if self is tainted" do
+      {}.taint.to_a.tainted?.should be_false
+    end
+
+    it "returns a trusted array if self is untrusted" do
+      {}.untrust.to_a.untrusted?.should be_false
+    end
+  end
 end

spec/ruby/core/hash/transform_keys_spec.rb

@@ -80,7 +80,7 @@ describe "Hash#transform_keys!" do
   end
 
   ruby_version_is ""..."3.0.2" do # https://bugs.ruby-lang.org/issues/17735
-    it "returns the processed keys if we broke from the block" do
+    it "returns the processed keys if we break from the block" do
       @hash.transform_keys! do |v|
         break if v == :c
         v.succ
@@ -90,7 +90,7 @@ describe "Hash#transform_keys!" do
   end
 
   ruby_version_is "3.0.2" do
-    it "returns the processed keys and non evaluated keys if we broke from the block" do
+    it "returns the processed keys and non evaluated keys if we break from the block" do
       @hash.transform_keys! do |v|
         break if v == :c
         v.succ

spec/ruby/core/integer/constants_spec.rb

@@ -1,7 +1,7 @@
 require_relative '../../spec_helper'
 
-ruby_version_is ""..."3.1" do
-  describe "Fixnum" do
+describe "Fixnum" do
+  ruby_version_is ""..."3.2" do
     it "is unified into Integer" do
       suppress_warning do
         Fixnum.should equal(Integer)
@@ -13,7 +13,15 @@ ruby_version_is ""..."3.1" do
     end
   end
 
-  describe "Bignum" do
+  ruby_version_is "3.2" do
+    it "is no longer defined" do
+      Object.should_not.const_defined?(:Fixnum)
+    end
+  end
+end
+
+describe "Bignum" do
+  ruby_version_is ""..."3.2" do
     it "is unified into Integer" do
       suppress_warning do
         Bignum.should equal(Integer)
@@ -24,4 +32,10 @@ ruby_version_is ""..."3.1" do
       -> { Bignum }.should complain(/constant ::Bignum is deprecated/)
     end
   end
+
+  ruby_version_is "3.2" do
+    it "is no longer defined" do
+      Object.should_not.const_defined?(:Bignum)
+    end
+  end
 end

spec/ruby/core/io/ungetc_spec.rb

@@ -103,7 +103,7 @@ describe "IO#ungetc" do
     -> { @io.sysread(1) }.should raise_error(IOError)
   end
 
-  ruby_version_is "0"..."3.0" do
+  ruby_version_is ""..."3.0" do
     it "does not affect the stream and returns nil when passed nil" do
       @io.getc.should == ?V
       @io.ungetc(nil)

spec/ruby/core/kernel/match_spec.rb

@@ -1,7 +1,7 @@
 require_relative '../../spec_helper'
 
-ruby_version_is ''...'3.2' do
-  describe "Kernel#=~" do
+describe "Kernel#=~" do
+  ruby_version_is ''...'3.2' do
     it "returns nil matching any object" do
       o = Object.new
 
@@ -21,4 +21,10 @@ ruby_version_is ''...'3.2' do
       end.should complain(/deprecated Object#=~ is called on Object/, verbose: true)
     end
   end
+
+  ruby_version_is '3.2' do
+    it "is no longer defined" do
+      Object.new.should_not.respond_to?(:=~)
+    end
+  end
 end

spec/ruby/core/math/log2_spec.rb

@@ -15,7 +15,7 @@ describe "Math.log2" do
     Math.log2((2**301+45677544234809571)).should == 301.0
   end
 
-  it "raises an Errno::EDOM if the argument is less than 0" do
+  it "raises Math::DomainError if the argument is less than 0" do
     -> { Math.log2(-1e-15) }.should raise_error( Math::DomainError)
   end
 

spec/ruby/core/module/include_spec.rb

@@ -532,6 +532,27 @@ describe "Module#include" do
       B.foo.should == 'n'
     end
   end
+
+  it "overrides a previous super method call" do
+    c1 = Class.new do
+      def foo
+        [:c1]
+      end
+    end
+    c2 = Class.new(c1) do
+      def foo
+        [:c2] + super
+      end
+    end
+    c2.new.foo.should == [:c2, :c1]
+    m = Module.new do
+      def foo
+        [:m1]
+      end
+    end
+    c2.include(m)
+    c2.new.foo.should == [:c2, :m1]
+  end
 end
 
 describe "Module#include?" do

spec/ruby/core/module/prepend_spec.rb

@@ -499,7 +499,7 @@ describe "Module#prepend" do
     c.dup.new.should be_kind_of(m)
   end
 
-  ruby_version_is '0'...'3.0' do
+  ruby_version_is ''...'3.0' do
     it "keeps the module in the chain when dupping an intermediate module" do
       m1 = Module.new { def calc(x) x end }
       m2 = Module.new { prepend(m1) }

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

@@ -256,7 +256,6 @@ describe :numeric_step, :shared => true do
   end
 
   describe "when no block is given" do
-    step_enum_class = Enumerator
     step_enum_class = Enumerator::ArithmeticSequence
 
     ruby_version_is ""..."3.0" do

spec/ruby/core/numeric/step_spec.rb

@@ -21,7 +21,6 @@ describe "Numeric#step" do
     it_behaves_like :numeric_step, :step
 
     describe "when no block is given" do
-      step_enum_class = Enumerator
       step_enum_class = Enumerator::ArithmeticSequence
 
       ruby_version_is ""..."3.0" do
@@ -61,7 +60,6 @@ describe "Numeric#step" do
         end
       end
     end
-
   end
 
   describe 'with keyword arguments' do

spec/ruby/core/proc/compose_spec.rb

@@ -61,9 +61,17 @@ describe "Proc#<<" do
         g = proc { |x| x + x }
         lambda_proc = -> x { x }
 
+        # lambda << proc
         (f << g).is_a?(Proc).should == true
         (f << g).should_not.lambda?
+
+        # lambda << lambda
+        (f << lambda_proc).is_a?(Proc).should == true
         (f << lambda_proc).should.lambda?
+
+        # proc << lambda
+        (g << f).is_a?(Proc).should == true
+        (g << f).should.lambda?
       end
     end
 

spec/ruby/core/proc/eql_spec.rb

@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/equal'
 
 describe "Proc#eql?" do
-  ruby_version_is "0"..."3.0" do
+  ruby_version_is ""..."3.0" do
     it_behaves_like :proc_equal_undefined, :eql?
   end
 

spec/ruby/core/proc/equal_value_spec.rb

@@ -2,7 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'shared/equal'
 
 describe "Proc#==" do
-  ruby_version_is "0"..."3.0" do
+  ruby_version_is ""..."3.0" do
     it_behaves_like :proc_equal_undefined, :==
   end
 

spec/ruby/core/random/default_spec.rb

@@ -1,7 +1,7 @@
 require_relative '../../spec_helper'
 
-ruby_version_is ''...'3.2' do
-  describe "Random::DEFAULT" do
+describe "Random::DEFAULT" do
+  ruby_version_is ''...'3.2' do
     it "returns a random number generator" do
       suppress_warning do
         Random::DEFAULT.should respond_to(:rand)
@@ -13,5 +13,33 @@ ruby_version_is ''...'3.2' do
       seed2 = ruby_exe('p Random::DEFAULT.seed', options: '--disable-gems')
       seed1.should != seed2
     end
+
+    ruby_version_is ''...'3.0' do
+      it "returns a Random instance" do
+        suppress_warning do
+          Random::DEFAULT.should be_an_instance_of(Random)
+        end
+      end
+    end
+
+    ruby_version_is '3.0' do
+      it "refers to the Random class" do
+        suppress_warning do
+          Random::DEFAULT.should.equal?(Random)
+        end
+      end
+
+      it "is deprecated" do
+        -> {
+          Random::DEFAULT.should.equal?(Random)
+        }.should complain(/constant Random::DEFAULT is deprecated/)
+      end
+    end
+  end
+
+  ruby_version_is '3.2' do
+    it "is no longer defined" do
+      Random.should_not.const_defined?(:DEFAULT)
+    end
   end
 end

spec/ruby/core/random/raw_seed_spec.rb

@@ -1,6 +0,0 @@
-require_relative '../../spec_helper'
-require_relative 'shared/urandom'
-
-describe "Random.urandom" do
-  it_behaves_like :random_urandom, :urandom
-end

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

@@ -1,23 +0,0 @@
-describe :random_urandom, shared: true do
-  it "returns a String" do
-    Random.send(@method, 1).should be_an_instance_of(String)
-  end
-
-  it "returns a String of the length given as argument" do
-    Random.send(@method, 15).length.should == 15
-  end
-
-  it "raises an ArgumentError on a negative size" do
-    -> {
-      Random.send(@method, -1)
-    }.should raise_error(ArgumentError)
-  end
-
-  it "returns a binary String" do
-    Random.send(@method, 15).encoding.should == Encoding::BINARY
-  end
-
-  it "returns a random binary String" do
-    Random.send(@method, 12).should_not == Random.send(@method, 12)
-  end
-end

spec/ruby/core/random/urandom_spec.rb

@@ -0,0 +1,25 @@
+require_relative '../../spec_helper'
+
+describe "Random.urandom" do
+  it "returns a String" do
+    Random.urandom(1).should be_an_instance_of(String)
+  end
+
+  it "returns a String of the length given as argument" do
+    Random.urandom(15).length.should == 15
+  end
+
+  it "raises an ArgumentError on a negative size" do
+    -> {
+      Random.urandom(-1)
+    }.should raise_error(ArgumentError)
+  end
+
+  it "returns a binary String" do
+    Random.urandom(15).encoding.should == Encoding::BINARY
+  end
+
+  it "returns a random binary String" do
+    Random.urandom(12).should_not == Random.urandom(12)
+  end
+end

spec/ruby/core/string/allocate_spec.rb

@@ -14,6 +14,6 @@ describe "String.allocate" do
   end
 
   it "returns a binary String" do
-    String.new.encoding.should == Encoding::BINARY
+    String.allocate.encoding.should == Encoding::BINARY
   end
 end

spec/ruby/core/string/bytesize_spec.rb

@@ -2,7 +2,7 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
 
-describe "#String#bytesize" do
+describe "String#bytesize" do
   it "returns the length of self in bytes" do
     "hello".bytesize.should == 5
     " ".bytesize.should == 1

spec/ruby/core/string/element_set_spec.rb

@@ -141,6 +141,12 @@ describe "String#[]= with Integer index" do
     str.encoding.should equal(Encoding::BINARY)
   end
 
+  it "updates the string to a compatible encoding" do
+    str = "  "
+    str[1] = [0xB9].pack("C*")
+    str.encoding.should == Encoding::ASCII_8BIT
+  end
+
   it "raises an Encoding::CompatibilityError if the replacement encoding is incompatible" do
     str = "あれ"
     rep = "が".encode Encoding::EUC_JP

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

@@ -12,9 +12,9 @@ describe :string_length, shared: true do
 
   it "returns the length of a string in different encodings" do
     utf8_str = 'こにちわ' * 100
-    utf8_str.size.should == 400
-    utf8_str.encode(Encoding::UTF_32BE).size.should == 400
-    utf8_str.encode(Encoding::SHIFT_JIS).size.should == 400
+    utf8_str.send(@method).should == 400
+    utf8_str.encode(Encoding::UTF_32BE).send(@method).should == 400
+    utf8_str.encode(Encoding::SHIFT_JIS).send(@method).should == 400
   end
 
   it "returns the length of the new self after encoding is changed" do
@@ -32,24 +32,24 @@ describe :string_length, shared: true do
     concat.encoding.should == Encoding::UTF_8
     concat.bytesize.should == 4
 
-    concat.size.should == 2
+    concat.send(@method).should == 2
     concat.force_encoding(Encoding::ASCII_8BIT)
-    concat.size.should == 4
+    concat.send(@method).should == 4
   end
 
   it "adds 1 for every invalid byte in UTF-8" do
-    "\xF4\x90\x80\x80".size.should == 4
-    "a\xF4\x90\x80\x80b".size.should == 6
-    "é\xF4\x90\x80\x80è".size.should == 6
+    "\xF4\x90\x80\x80".send(@method).should == 4
+    "a\xF4\x90\x80\x80b".send(@method).should == 6
+    "é\xF4\x90\x80\x80è".send(@method).should == 6
   end
 
   it "adds 1 (and not 2) for a incomplete surrogate in UTF-16" do
-    "\x00\xd8".force_encoding("UTF-16LE").size.should == 1
-    "\xd8\x00".force_encoding("UTF-16BE").size.should == 1
+    "\x00\xd8".force_encoding("UTF-16LE").send(@method).should == 1
+    "\xd8\x00".force_encoding("UTF-16BE").send(@method).should == 1
   end
 
   it "adds 1 for a broken sequence in UTF-32" do
-    "\x04\x03\x02\x01".force_encoding("UTF-32LE").size.should == 1
-    "\x01\x02\x03\x04".force_encoding("UTF-32BE").size.should == 1
+    "\x04\x03\x02\x01".force_encoding("UTF-32LE").send(@method).should == 1
+    "\x01\x02\x03\x04".force_encoding("UTF-32BE").send(@method).should == 1
   end
 end

spec/ruby/core/string/split_spec.rb

@@ -62,6 +62,10 @@ describe "String#split with String" do
     ",".split(",", -1).should == ["", ""]
   end
 
+  it "raises a RangeError when the limit is larger than int" do
+    -> { "a,b".split(" ", 2147483649) }.should raise_error(RangeError)
+  end
+
   it "defaults to $; when string isn't given or nil" do
     suppress_warning do
       old_fs = $;

spec/ruby/fixtures/class.rb

@@ -122,6 +122,10 @@ module ClassSpecs
       end
     end
   end
+
+  DEFINE_CLASS = -> do
+    class ::A; end
+  end
 end
 
 class Class

spec/ruby/language/case_spec.rb

@@ -156,6 +156,15 @@ describe "The 'case'-construct" do
     end.should == "foo"
   end
 
+  it "tests an empty array" do
+    case []
+    when []
+      'foo'
+    else
+      'bar'
+    end.should == 'foo'
+  end
+
   it "expands arrays to lists of values" do
     case 'z'
     when *['a', 'b', 'c', 'd']

spec/ruby/language/class_spec.rb

@@ -17,6 +17,19 @@ describe "The class keyword" do
     eval "class ClassSpecsKeywordWithoutSemicolon end"
     ClassSpecsKeywordWithoutSemicolon.should be_an_instance_of(Class)
   end
+
+  it "can redefine a class when called from a block" do
+    ClassSpecs::DEFINE_CLASS.call
+    A.should be_an_instance_of(Class)
+
+    Object.send(:remove_const, :A)
+    defined?(A).should be_nil
+
+    ClassSpecs::DEFINE_CLASS.call
+    A.should be_an_instance_of(Class)
+  ensure
+    Object.send(:remove_const, :A) if defined?(::A)
+  end
 end
 
 describe "A class definition" do

spec/ruby/language/constants_spec.rb

@@ -718,3 +718,17 @@ describe 'Allowed characters' do
     eval("mod::ἍBB").should == 1
   end
 end
+
+describe 'Assignment' do
+  context 'dynamic assignment' do
+    it 'raises SyntaxError' do
+      -> do
+        eval <<-CODE
+          def test
+            B = 1
+          end
+        CODE
+      end.should raise_error(SyntaxError, /dynamic constant assignment/)
+    end
+  end
+end

spec/ruby/language/def_spec.rb

@@ -213,7 +213,7 @@ describe "An instance method with a default argument" do
   end
 
   ruby_version_is '2.7' do
-    it "raises a syntaxError an existing method with the same name as the local variable" do
+    it "raises a SyntaxError when there is an existing method with the same name as the local variable" do
       def bar
         1
       end

spec/ruby/language/pattern_matching_spec.rb

@@ -1297,6 +1297,65 @@ ruby_version_is "2.7" do
           a
         RUBY
       end
+
+      it "supports pinning instance variables" do
+        eval(<<~RUBY).should == true
+          @a = /a/
+          case 'abc'
+          in ^@a
+            true
+          end
+        RUBY
+      end
+
+      it "supports pinning class variables" do
+        result = nil
+        Module.new do
+          result = module_eval(<<~RUBY)
+            @@a = 0..10
+
+            case 2
+            in ^@@a
+              true
+            end
+          RUBY
+        end
+
+        result.should == true
+      end
+
+      it "supports pinning global variables" do
+        eval(<<~RUBY).should == true
+          $a = /a/
+          case 'abc'
+          in ^$a
+            true
+          end
+        RUBY
+      end
+
+      it "supports pinning expressions" do
+        eval(<<~RUBY).should == true
+          case 'abc'
+            in ^(/a/)
+            true
+          end
+        RUBY
+
+        eval(<<~RUBY).should == true
+          case {name: '2.6', released_at: Time.new(2018, 12, 25)}
+            in {released_at: ^(Time.new(2010)..Time.new(2020))}
+            true
+          end
+        RUBY
+
+        eval(<<~RUBY).should == true
+          case 0
+          in ^(0+0)
+            true
+          end
+        RUBY
+      end
     end
   end
 end

spec/ruby/language/variables_spec.rb

@@ -797,17 +797,6 @@ describe 'Local variable shadowing' do
 end
 
 describe 'Allowed characters' do
-  # new feature in 2.6 -- https://bugs.ruby-lang.org/issues/13770
-  it 'does not allow non-ASCII upcased characters at the beginning' do
-    -> do
-      eval <<-CODE
-        def test
-          ἍBB = 1
-        end
-      CODE
-    end.should raise_error(SyntaxError, /dynamic constant assignment/)
-  end
-
   it 'allows non-ASCII lowercased characters at the beginning' do
     result = nil
 
@@ -821,6 +810,16 @@ describe 'Allowed characters' do
 
     result.should == 1
   end
+
+  it 'parses a non-ASCII upcased character as a constant identifier' do
+    -> do
+      eval <<-CODE
+        def test
+          ἍBB = 1
+        end
+      CODE
+    end.should raise_error(SyntaxError, /dynamic constant assignment/)
+  end
 end
 
 describe "Instance variables" do

spec/ruby/library/pp/pp_spec.rb

@@ -20,4 +20,11 @@ describe "PP.pp" do
 
     other_out.to_s.should == "[1, 2, 3]\n"
   end
+
+  it 'correctly prints a Hash' do
+    hash = { 'key' => 42 }
+    -> {
+      PP.pp hash
+    }.should output('{"key"=>42}' + "\n")
+  end
 end

spec/ruby/optional/capi/ext/proc_spec.c

@@ -11,10 +11,63 @@ VALUE proc_spec_rb_proc_new_function(RB_BLOCK_CALL_FUNC_ARGLIST(args, dummy)) {
   return rb_funcall(args, rb_intern("inspect"), 0);
 }
 
+VALUE proc_spec_rb_proc_new_function_arg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  return arg;
+}
+
+VALUE proc_spec_rb_proc_new_function_argc(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  return INT2FIX(argc);
+}
+
+VALUE proc_spec_rb_proc_new_function_argv_n(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  int n = FIX2INT(arg);
+  if (n < argc) {
+    return argv[n];
+  } else {
+    rb_exc_raise(rb_exc_new2(rb_eArgError, "Arg index out of bounds."));
+  }
+}
+
+VALUE proc_spec_rb_proc_new_function_callback_arg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  return callback_arg;
+}
+
+VALUE proc_spec_rb_proc_new_function_blockarg(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  return blockarg;
+}
+
+VALUE proc_spec_rb_proc_new_function_block_given_p(VALUE arg, VALUE callback_arg, int argc, const VALUE *argv, VALUE blockarg) {
+  return rb_block_given_p() ? Qtrue : Qfalse;
+}
+
 VALUE proc_spec_rb_proc_new(VALUE self) {
   return rb_proc_new(proc_spec_rb_proc_new_function, Qnil);
 }
 
+VALUE proc_spec_rb_proc_new_arg(VALUE self) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_arg, Qnil);
+}
+
+VALUE proc_spec_rb_proc_new_argc(VALUE self) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_argc, Qnil);
+}
+
+VALUE proc_spec_rb_proc_new_argv_n(VALUE self) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_argv_n, Qnil);
+}
+
+VALUE proc_spec_rb_proc_new_callback_arg(VALUE self, VALUE arg) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_callback_arg, arg);
+}
+
+VALUE proc_spec_rb_proc_new_blockarg(VALUE self) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_blockarg, Qnil);
+}
+
+VALUE proc_spec_rb_proc_new_block_given_p(VALUE self) {
+  return rb_proc_new(proc_spec_rb_proc_new_function_block_given_p, Qnil);
+}
+
 VALUE proc_spec_rb_proc_arity(VALUE self, VALUE prc) {
   return INT2FIX(rb_proc_arity(prc));
 }
@@ -62,6 +115,12 @@ VALUE proc_spec_rb_Proc_new(VALUE self, VALUE scenario) {
 void Init_proc_spec(void) {
   VALUE cls = rb_define_class("CApiProcSpecs", rb_cObject);
   rb_define_method(cls, "rb_proc_new", proc_spec_rb_proc_new, 0);
+  rb_define_method(cls, "rb_proc_new_arg", proc_spec_rb_proc_new_arg, 0);
+  rb_define_method(cls, "rb_proc_new_argc", proc_spec_rb_proc_new_argc, 0);
+  rb_define_method(cls, "rb_proc_new_argv_n", proc_spec_rb_proc_new_argv_n, 0);
+  rb_define_method(cls, "rb_proc_new_callback_arg", proc_spec_rb_proc_new_callback_arg, 1);
+  rb_define_method(cls, "rb_proc_new_blockarg", proc_spec_rb_proc_new_blockarg, 0);
+  rb_define_method(cls, "rb_proc_new_block_given_p", proc_spec_rb_proc_new_block_given_p, 0);
   rb_define_method(cls, "rb_proc_arity", proc_spec_rb_proc_arity, 1);
   rb_define_method(cls, "rb_proc_call", proc_spec_rb_proc_call, 2);
   rb_define_method(cls, "rb_Proc_new", proc_spec_rb_Proc_new, 1);

spec/ruby/optional/capi/ext/thread_spec.c

@@ -11,6 +11,10 @@
 #define pipe(p) rb_w32_pipe(p)
 #endif
 
+#ifndef _WIN32
+#include <pthread.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -131,6 +135,36 @@ static VALUE thread_spec_rb_thread_create(VALUE self, VALUE proc, VALUE arg) {
   return rb_thread_create(thread_spec_call_proc, (void*)args);
 }
 
+static VALUE thread_spec_ruby_native_thread_p(VALUE self) {
+  if (ruby_native_thread_p()) {
+    return Qtrue;
+  } else {
+    return Qfalse;
+  }
+}
+
+static VALUE false_result = Qfalse;
+static VALUE true_result = Qtrue;
+
+static void *new_thread_check(void *args) {
+  if (ruby_native_thread_p()) {
+    return &true_result;
+  } else {
+    return &false_result;
+  }
+}
+
+static VALUE thread_spec_ruby_native_thread_p_new_thread(VALUE self) {
+#ifndef _WIN32
+    pthread_t t;
+    VALUE *result = &true_result;
+    pthread_create(&t, NULL, new_thread_check, NULL);
+    pthread_join(t, (void **)&result);
+    return *result;
+#else
+    return Qfalse;
+#endif
+}
 
 void Init_thread_spec(void) {
   VALUE cls = rb_define_class("CApiThreadSpecs", rb_cObject);
@@ -143,6 +177,8 @@ void Init_thread_spec(void) {
   rb_define_method(cls,  "rb_thread_wakeup", thread_spec_rb_thread_wakeup, 1);
   rb_define_method(cls,  "rb_thread_wait_for", thread_spec_rb_thread_wait_for, 2);
   rb_define_method(cls,  "rb_thread_create", thread_spec_rb_thread_create, 2);
+  rb_define_method(cls,  "ruby_native_thread_p", thread_spec_ruby_native_thread_p, 0);
+  rb_define_method(cls,  "ruby_native_thread_p_new_thread", thread_spec_ruby_native_thread_p_new_thread, 0);
 }
 
 #ifdef __cplusplus

spec/ruby/optional/capi/proc_spec.rb

@@ -7,6 +7,8 @@ describe "C-API Proc function" do
   before :each do
     @p = CApiProcSpecs.new
     @prc = @p.rb_proc_new
+    @prc2 = @p.rb_proc_new_argv_n
+    @prc3 = @p.rb_proc_new_argc
   end
 
   describe "rb_proc_new" do
@@ -15,6 +17,7 @@ describe "C-API Proc function" do
     end
 
     it "calls the C function wrapped by the Proc instance when sent #call" do
+      @p.rb_proc_new_arg.call().should == nil
       @prc.call(:foo_bar).should == ":foo_bar"
       @prc.call([:foo, :bar]).should == "[:foo, :bar]"
     end
@@ -24,6 +27,30 @@ describe "C-API Proc function" do
       @prc[[:foo, :bar]].should == "[:foo, :bar]"
     end
 
+    it "calls the C function with the arg count in argc" do
+      @prc3.call().should == 0
+      @prc3.call(:foo).should == 1
+      @prc3.call(:foo, :bar).should == 2
+    end
+
+    it "calls the C function with arguments in argv" do
+      @prc2.call(1, :foo).should == :foo
+      @prc2.call(2, :foo, :bar).should == :bar
+      -> { @prc2.call(3, :foo, :bar) }.should raise_error(ArgumentError)
+    end
+
+    it "calls the C function with the block passed in blockarg" do
+      a_block = :foo.to_proc
+      @p.rb_proc_new_blockarg.call(&a_block).should == a_block
+      @p.rb_proc_new_blockarg.call().should == nil
+    end
+
+    it "calls the C function and yields to the block passed in blockarg" do
+      @p.rb_proc_new_block_given_p.call() do
+      end.should == false
+      @p.rb_proc_new_block_given_p.call().should == false
+    end
+
     it "returns a Proc instance correctly described in #inspect without source location" do
       @prc.inspect.should =~ /^#<Proc:([^ :@]*?)>$/
     end

spec/ruby/optional/capi/thread_spec.rb

@@ -101,6 +101,16 @@ describe "C-API Thread function" do
     end
   end
 
+  describe "ruby_native_thread_p" do
+    it "returns non-zero for a ruby thread" do
+      @t.ruby_native_thread_p.should be_true
+    end
+
+    it "returns zero for a non ruby thread" do
+      @t.ruby_native_thread_p_new_thread.should be_false
+    end
+  end
+
   describe "rb_thread_call_without_gvl" do
     it "runs a C function with the global lock unlocked and can be woken by Thread#wakeup" do
       thr = Thread.new do

spec/ruby/security/cve_2019_8322_spec.rb

@@ -5,17 +5,19 @@ require 'rubygems'
 require 'rubygems/safe_yaml'
 require 'rubygems/commands/owner_command'
 
-describe "CVE-2019-8322 is resisted by" do
-  it "sanitising owner names" do
-    command = Gem::Commands::OwnerCommand.new
-    def command.rubygems_api_request(*args)
-      Struct.new(:body).new("---\n- email: \"\e]2;nyan\a\"\n  handle: handle\n  id: id\n")
+platform_is_not :darwin do # frequent timeout/hang on macOS
+  describe "CVE-2019-8322 is resisted by" do
+    it "sanitising owner names" do
+      command = Gem::Commands::OwnerCommand.new
+      def command.rubygems_api_request(*args)
+        Struct.new(:body).new("---\n- email: \"\e]2;nyan\a\"\n  handle: handle\n  id: id\n")
+      end
+      def command.with_response(response)
+        yield response
+      end
+      command.should_receive(:say).with("Owners for gem: name")
+      command.should_receive(:say).with("- .]2;nyan.")
+      command.show_owners "name"
     end
-    def command.with_response(response)
-      yield response
-    end
-    command.should_receive(:say).with("Owners for gem: name")
-    command.should_receive(:say).with("- .]2;nyan.")
-    command.show_owners "name"
   end
 end