Move to tool/lib from test/lib.

1 files changed, 0 insertions, 984 deletions

diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb
deleted file mode 100644
index 169a3dcc7e..0000000000
--- a/test/lib/test/unit/assertions.rb
+++ /dev/null
@@ -1,984 +0,0 @@
-# frozen_string_literal: true
-require 'minitest/unit'
-require 'pp'
-
-module Test
-  module Unit
-    module Assertions
-      include MiniTest::Assertions
-
-      def mu_pp(obj) #:nodoc:
-        obj.pretty_inspect.chomp
-      end
-
-      MINI_DIR = File.join(File.dirname(File.dirname(File.expand_path(__FILE__))), "minitest") #:nodoc:
-
-      # :call-seq:
-      #   assert(test, [failure_message])
-      #
-      #Tests if +test+ is true.
-      #
-      #+msg+ may be a String or a Proc. If +msg+ is a String, it will be used
-      #as the failure message. Otherwise, the result of calling +msg+ will be
-      #used as the message if the assertion fails.
-      #
-      #If no +msg+ is given, a default message will be used.
-      #
-      #    assert(false, "This was expected to be true")
-      def assert(test, *msgs)
-        case msg = msgs.first
-        when String, Proc
-        when nil
-          msgs.shift
-        else
-          bt = caller.reject { |s| s.start_with?(MINI_DIR) }
-          raise ArgumentError, "assertion message must be String or Proc, but #{msg.class} was given.", bt
-        end unless msgs.empty?
-        super
-      end
-
-      # :call-seq:
-      #   assert_block( failure_message = nil )
-      #
-      #Tests the result of the given block. If the block does not return true,
-      #the assertion will fail. The optional +failure_message+ argument is the same as in
-      #Assertions#assert.
-      #
-      #    assert_block do
-      #      [1, 2, 3].any? { |num| num < 1 }
-      #    end
-      def assert_block(*msgs)
-        assert yield, *msgs
-      end
-
-      # :call-seq:
-      #   assert_raise( *args, &block )
-      #
-      #Tests if the given block raises an exception. Acceptable exception
-      #types may be given as optional arguments. If the last argument is a
-      #String, it will be used as the error message.
-      #
-      #    assert_raise do #Fails, no Exceptions are raised
-      #    end
-      #
-      #    assert_raise NameError do
-      #      puts x  #Raises NameError, so assertion succeeds
-      #    end
-      def assert_raise(*exp, &b)
-        case exp.last
-        when String, Proc
-          msg = exp.pop
-        end
-
-        begin
-          yield
-        rescue MiniTest::Skip => e
-          return e if exp.include? MiniTest::Skip
-          raise e
-        rescue Exception => e
-          expected = exp.any? { |ex|
-            if ex.instance_of? Module then
-              e.kind_of? ex
-            else
-              e.instance_of? ex
-            end
-          }
-
-          assert expected, proc {
-            exception_details(e, message(msg) {"#{mu_pp(exp)} exception expected, not"}.call)
-          }
-
-          return e
-        ensure
-          unless e
-            exp = exp.first if exp.size == 1
-
-            flunk(message(msg) {"#{mu_pp(exp)} expected but nothing was raised"})
-          end
-        end
-      end
-
-      def assert_raises(*exp, &b)
-        raise NoMethodError, "use assert_raise", caller
-      end
-
-      # :call-seq:
-      #   assert_raise_with_message(exception, expected, msg = nil, &block)
-      #
-      #Tests if the given block raises an exception with the expected
-      #message.
-      #
-      #    assert_raise_with_message(RuntimeError, "foo") do
-      #      nil #Fails, no Exceptions are raised
-      #    end
-      #
-      #    assert_raise_with_message(RuntimeError, "foo") do
-      #      raise ArgumentError, "foo" #Fails, different Exception is raised
-      #    end
-      #
-      #    assert_raise_with_message(RuntimeError, "foo") do
-      #      raise "bar" #Fails, RuntimeError is raised but the message differs
-      #    end
-      #
-      #    assert_raise_with_message(RuntimeError, "foo") do
-      #      raise "foo" #Raises RuntimeError with the message, so assertion succeeds
-      #    end
-      def assert_raise_with_message(exception, expected, msg = nil, &block)
-        case expected
-        when String
-          assert = :assert_equal
-        when Regexp
-          assert = :assert_match
-        else
-          raise TypeError, "Expected #{expected.inspect} to be a kind of String or Regexp, not #{expected.class}"
-        end
-
-        ex = m = nil
-        EnvUtil.with_default_internal(expected.encoding) do
-          ex = assert_raise(exception, msg || proc {"Exception(#{exception}) with message matches to #{expected.inspect}"}) do
-            yield
-          end
-          m = ex.message
-        end
-        msg = message(msg, "") {"Expected Exception(#{exception}) was raised, but the message doesn't match"}
-
-        if assert == :assert_equal
-          assert_equal(expected, m, msg)
-        else
-          msg = message(msg) { "Expected #{mu_pp expected} to match #{mu_pp m}" }
-          assert expected =~ m, msg
-          block.binding.eval("proc{|_|$~=_}").call($~)
-        end
-        ex
-      end
-
-      # :call-seq:
-      #   assert_nothing_raised( *args, &block )
-      #
-      #If any exceptions are given as arguments, the assertion will
-      #fail if one of those exceptions are raised. Otherwise, the test fails
-      #if any exceptions are raised.
-      #
-      #The final argument may be a failure message.
-      #
-      #    assert_nothing_raised RuntimeError do
-      #      raise Exception #Assertion passes, Exception is not a RuntimeError
-      #    end
-      #
-      #    assert_nothing_raised do
-      #      raise Exception #Assertion fails
-      #    end
-      def assert_nothing_raised(*args)
-        self._assertions += 1
-        if Module === args.last
-          msg = nil
-        else
-          msg = args.pop
-        end
-        begin
-          line = __LINE__; yield
-        rescue MiniTest::Skip
-          raise
-        rescue Exception => e
-          bt = e.backtrace
-          as = e.instance_of?(MiniTest::Assertion)
-          if as
-            ans = /\A#{Regexp.quote(__FILE__)}:#{line}:in /o
-            bt.reject! {|ln| ans =~ ln}
-          end
-          if ((args.empty? && !as) ||
-              args.any? {|a| a.instance_of?(Module) ? e.is_a?(a) : e.class == a })
-            msg = message(msg) { "Exception raised:\n<#{mu_pp(e)}>" }
-            raise MiniTest::Assertion, msg.call, bt
-          else
-            raise
-          end
-        end
-      end
-
-      # :call-seq:
-      #   assert_nothing_thrown( failure_message = nil, &block )
-      #
-      #Fails if the given block uses a call to Kernel#throw, and
-      #returns the result of the block otherwise.
-      #
-      #An optional failure message may be provided as the final argument.
-      #
-      #    assert_nothing_thrown "Something was thrown!" do
-      #      throw :problem?
-      #    end
-      def assert_nothing_thrown(msg=nil)
-        begin
-          ret = yield
-        rescue ArgumentError => error
-          raise error if /\Auncaught throw (.+)\z/m !~ error.message
-          msg = message(msg) { "<#{$1}> was thrown when nothing was expected" }
-          flunk(msg)
-        end
-        assert(true, "Expected nothing to be thrown")
-        ret
-      end
-
-      # :call-seq:
-      #   assert_throw( tag, failure_message = nil, &block )
-      #
-      #Fails unless the given block throws +tag+, returns the caught
-      #value otherwise.
-      #
-      #An optional failure message may be provided as the final argument.
-      #
-      #    tag = Object.new
-      #    assert_throw(tag, "#{tag} was not thrown!") do
-      #      throw tag
-      #    end
-      def assert_throw(tag, msg = nil)
-        ret = catch(tag) do
-          begin
-            yield(tag)
-          rescue UncaughtThrowError => e
-            thrown = e.tag
-          end
-          msg = message(msg) {
-            "Expected #{mu_pp(tag)} to have been thrown"\
-            "#{%Q[, not #{thrown}] if thrown}"
-          }
-          assert(false, msg)
-        end
-        assert(true)
-        ret
-      end
-
-      # :call-seq:
-      #   assert_equal( expected, actual, failure_message = nil )
-      #
-      #Tests if +expected+ is equal to +actual+.
-      #
-      #An optional failure message may be provided as the final argument.
-      def assert_equal(exp, act, msg = nil)
-        msg = message(msg) {
-          exp_str = mu_pp(exp)
-          act_str = mu_pp(act)
-          exp_comment = ''
-          act_comment = ''
-          if exp_str == act_str
-            if (exp.is_a?(String) && act.is_a?(String)) ||
-               (exp.is_a?(Regexp) && act.is_a?(Regexp))
-              exp_comment = " (#{exp.encoding})"
-              act_comment = " (#{act.encoding})"
-            elsif exp.is_a?(Float) && act.is_a?(Float)
-              exp_str = "%\#.#{Float::DIG+2}g" % exp
-              act_str = "%\#.#{Float::DIG+2}g" % act
-            elsif exp.is_a?(Time) && act.is_a?(Time)
-              if exp.subsec * 1000_000_000 == exp.nsec
-                exp_comment = " (#{exp.nsec}[ns])"
-              else
-                exp_comment = " (subsec=#{exp.subsec})"
-              end
-              if act.subsec * 1000_000_000 == act.nsec
-                act_comment = " (#{act.nsec}[ns])"
-              else
-                act_comment = " (subsec=#{act.subsec})"
-              end
-            elsif exp.class != act.class
-              # a subclass of Range, for example.
-              exp_comment = " (#{exp.class})"
-              act_comment = " (#{act.class})"
-            end
-          elsif !Encoding.compatible?(exp_str, act_str)
-            if exp.is_a?(String) && act.is_a?(String)
-              exp_str = exp.dump
-              act_str = act.dump
-              exp_comment = " (#{exp.encoding})"
-              act_comment = " (#{act.encoding})"
-            else
-              exp_str = exp_str.dump
-              act_str = act_str.dump
-            end
-          end
-          "<#{exp_str}>#{exp_comment} expected but was\n<#{act_str}>#{act_comment}"
-        }
-        assert(exp == act, msg)
-      end
-
-      # :call-seq:
-      #   assert_not_nil( expression, failure_message = nil )
-      #
-      #Tests if +expression+ is not nil.
-      #
-      #An optional failure message may be provided as the final argument.
-      def assert_not_nil(exp, msg=nil)
-        msg = message(msg) { "<#{mu_pp(exp)}> expected to not be nil" }
-        assert(!exp.nil?, msg)
-      end
-
-      # :call-seq:
-      #   assert_not_equal( expected, actual, failure_message = nil )
-      #
-      #Tests if +expected+ is not equal to +actual+.
-      #
-      #An optional failure message may be provided as the final argument.
-      def assert_not_equal(exp, act, msg=nil)
-        msg = message(msg) { "<#{mu_pp(exp)}> expected to be != to\n<#{mu_pp(act)}>" }
-        assert(exp != act, msg)
-      end
-
-      # :call-seq:
-      #   assert_no_match( regexp, string, failure_message = nil )
-      #
-      #Tests if the given Regexp does not match a given String.
-      #
-      #An optional failure message may be provided as the final argument.
-      def assert_no_match(regexp, string, msg=nil)
-        assert_instance_of(Regexp, regexp, "The first argument to assert_no_match should be a Regexp.")
-        self._assertions -= 1
-        msg = message(msg) { "<#{mu_pp(regexp)}> expected to not match\n<#{mu_pp(string)}>" }
-        assert(regexp !~ string, msg)
-      end
-
-      # :call-seq:
-      #   assert_not_same( expected, actual, failure_message = nil )
-      #
-      #Tests if +expected+ is not the same object as +actual+.
-      #This test uses Object#equal? to test equality.
-      #
-      #An optional failure message may be provided as the final argument.
-      #
-      #    assert_not_same("x", "x") #Succeeds
-      def assert_not_same(expected, actual, message="")
-        msg = message(msg) { build_message(message, <<EOT, expected, expected.__id__, actual, actual.__id__) }
-<?>
-with id <?> expected to not be equal\\? to
-<?>
-with id <?>.
-EOT
-        assert(!actual.equal?(expected), msg)
-      end
-
-      # :call-seq:
-      #   assert_respond_to( object, method, failure_message = nil )
-      #
-      #Tests if the given Object responds to +method+.
-      #
-      #An optional failure message may be provided as the final argument.
-      #
-      #    assert_respond_to("hello", :reverse)  #Succeeds
-      #    assert_respond_to("hello", :does_not_exist)  #Fails
-      def assert_respond_to(obj, (meth, *priv), msg = nil)
-        unless priv.empty?
-          msg = message(msg) {
-            "Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}#{" privately" if priv[0]}"
-          }
-          return assert obj.respond_to?(meth, *priv), msg
-        end
-        #get rid of overcounting
-        if caller_locations(1, 1)[0].path.start_with?(MINI_DIR)
-          return if obj.respond_to?(meth)
-        end
-        super(obj, meth, msg)
-      end
-
-      # :call-seq:
-      #   assert_not_respond_to( object, method, failure_message = nil )
-      #
-      #Tests if the given Object does not respond to +method+.
-      #
-      #An optional failure message may be provided as the final argument.
-      #
-      #    assert_not_respond_to("hello", :reverse)  #Fails
-      #    assert_not_respond_to("hello", :does_not_exist)  #Succeeds
-      def assert_not_respond_to(obj, (meth, *priv), msg = nil)
-        unless priv.empty?
-          msg = message(msg) {
-            "Expected #{mu_pp(obj)} (#{obj.class}) to not respond to ##{meth}#{" privately" if priv[0]}"
-          }
-          return assert !obj.respond_to?(meth, *priv), msg
-        end
-        #get rid of overcounting
-        if caller_locations(1, 1)[0].path.start_with?(MINI_DIR)
-          return unless obj.respond_to?(meth)
-        end
-        refute_respond_to(obj, meth, msg)
-      end
-
-      # :call-seq:
-      #   assert_send( +send_array+, failure_message = nil )
-      #
-      # Passes if the method send returns a true value.
-      #
-      # +send_array+ is composed of:
-      # * A receiver
-      # * A method
-      # * Arguments to the method
-      #
-      # Example:
-      #   assert_send(["Hello world", :include?, "Hello"])    # -> pass
-      #   assert_send(["Hello world", :include?, "Goodbye"])  # -> fail
-      def assert_send send_ary, m = nil
-        recv, msg, *args = send_ary
-        m = message(m) {
-          if args.empty?
-            argsstr = ""
-          else
-            (argsstr = mu_pp(args)).sub!(/\A\[(.*)\]\z/m, '(\1)')
-          end
-          "Expected #{mu_pp(recv)}.#{msg}#{argsstr} to return true"
-        }
-        assert recv.__send__(msg, *args), m
-      end
-
-      # :call-seq:
-      #   assert_not_send( +send_array+, failure_message = nil )
-      #
-      # Passes if the method send doesn't return a true value.
-      #
-      # +send_array+ is composed of:
-      # * A receiver
-      # * A method
-      # * Arguments to the method
-      #
-      # Example:
-      #   assert_not_send([[1, 2], :member?, 1]) # -> fail
-      #   assert_not_send([[1, 2], :member?, 4]) # -> pass
-      def assert_not_send send_ary, m = nil
-        recv, msg, *args = send_ary
-        m = message(m) {
-          if args.empty?
-            argsstr = ""
-          else
-            (argsstr = mu_pp(args)).sub!(/\A\[(.*)\]\z/m, '(\1)')
-          end
-          "Expected #{mu_pp(recv)}.#{msg}#{argsstr} to return false"
-        }
-        assert !recv.__send__(msg, *args), m
-      end
-
-      ms = instance_methods(true).map {|sym| sym.to_s }
-      ms.grep(/\Arefute_/) do |m|
-        mname = ('assert_not_'.dup << m.to_s[/.*?_(.*)/, 1])
-        alias_method(mname, m) unless ms.include? mname
-      end
-      alias assert_include assert_includes
-      alias assert_not_include assert_not_includes
-
-      def assert_all?(obj, m = nil, &blk)
-        failed = []
-        obj.each do |*a, &b|
-          unless blk.call(*a, &b)
-            failed << (a.size > 1 ? a : a[0])
-          end
-        end
-        assert(failed.empty?, message(m) {failed.pretty_inspect})
-      end
-
-      def assert_not_all?(obj, m = nil, &blk)
-        failed = []
-        obj.each do |*a, &b|
-          if blk.call(*a, &b)
-            failed << (a.size > 1 ? a : a[0])
-          end
-        end
-        assert(failed.empty?, message(m) {failed.pretty_inspect})
-      end
-
-      # compatibility with test-unit
-      alias pend skip
-
-      if defined?(RubyVM::InstructionSequence)
-        def syntax_check(code, fname, line)
-          code = code.dup.force_encoding(Encoding::UTF_8)
-          RubyVM::InstructionSequence.compile(code, fname, fname, line)
-          :ok
-        end
-      else
-        def syntax_check(code, fname, line)
-          code = code.b
-          code.sub!(/\A(?:\xef\xbb\xbf)?(\s*\#.*$)*(\n)?/n) {
-            "#$&#{"\n" if $1 && !$2}BEGIN{throw tag, :ok}\n"
-          }
-          code = code.force_encoding(Encoding::UTF_8)
-          catch {|tag| eval(code, binding, fname, line - 1)}
-        end
-      end
-
-      def prepare_syntax_check(code, fname = nil, mesg = nil, verbose: nil)
-        fname ||= caller_locations(2, 1)[0]
-        mesg ||= fname.to_s
-        verbose, $VERBOSE = $VERBOSE, verbose
-        case
-        when Array === fname
-          fname, line = *fname
-        when defined?(fname.path) && defined?(fname.lineno)
-          fname, line = fname.path, fname.lineno
-        else
-          line = 1
-        end
-        yield(code, fname, line, message(mesg) {
-                if code.end_with?("\n")
-                  "```\n#{code}```\n"
-                else
-                  "```\n#{code}\n```\n""no-newline"
-                end
-              })
-      ensure
-        $VERBOSE = verbose
-      end
-
-      def assert_valid_syntax(code, *args, **opt)
-        prepare_syntax_check(code, *args, **opt) do |src, fname, line, mesg|
-          yield if defined?(yield)
-          assert_nothing_raised(SyntaxError, mesg) do
-            assert_equal(:ok, syntax_check(src, fname, line), mesg)
-          end
-        end
-      end
-
-      def assert_syntax_error(code, error, *args)
-        prepare_syntax_check(code, *args) do |src, fname, line, mesg|
-          yield if defined?(yield)
-          e = assert_raise(SyntaxError, mesg) do
-            syntax_check(src, fname, line)
-          end
-          assert_match(error, e.message, mesg)
-          e
-        end
-      end
-
-      def assert_normal_exit(testsrc, message = '', child_env: nil, **opt)
-        assert_valid_syntax(testsrc, caller_locations(1, 1)[0])
-        if child_env
-          child_env = [child_env]
-        else
-          child_env = []
-        end
-        out, _, status = EnvUtil.invoke_ruby(child_env + %W'-W0', testsrc, true, :merge_to_stdout, **opt)
-        assert !status.signaled?, FailDesc[status, message, out]
-      end
-
-      FailDesc = proc do |status, message = "", out = ""|
-        pid = status.pid
-        now = Time.now
-        faildesc = proc do
-          if signo = status.termsig
-            signame = Signal.signame(signo)
-            sigdesc = "signal #{signo}"
-          end
-          log = EnvUtil.diagnostic_reports(signame, pid, now)
-          if signame
-            sigdesc = "SIG#{signame} (#{sigdesc})"
-          end
-          if status.coredump?
-            sigdesc = "#{sigdesc} (core dumped)"
-          end
-          full_message = ''.dup
-          message = message.call if Proc === message
-          if message and !message.empty?
-            full_message << message << "\n"
-          end
-          full_message << "pid #{pid}"
-          full_message << " exit #{status.exitstatus}" if status.exited?
-          full_message << " killed by #{sigdesc}" if sigdesc
-          if out and !out.empty?
-            full_message << "\n" << out.b.gsub(/^/, '| ')
-            full_message.sub!(/(?<!\n)\z/, "\n")
-          end
-          if log
-            full_message << "Diagnostic reports:\n" << log.b.gsub(/^/, '| ')
-          end
-          full_message
-        end
-        faildesc
-      end
-
-      def assert_in_out_err(args, test_stdin = "", test_stdout = [], test_stderr = [], message = nil,
-                            success: nil, **opt)
-        args = Array(args).dup
-        args.insert((Hash === args[0] ? 1 : 0), '--disable=gems')
-        stdout, stderr, status = EnvUtil.invoke_ruby(args, test_stdin, true, true, **opt)
-        if signo = status.termsig
-          EnvUtil.diagnostic_reports(Signal.signame(signo), status.pid, Time.now)
-        end
-        if block_given?
-          raise "test_stdout ignored, use block only or without block" if test_stdout != []
-          raise "test_stderr ignored, use block only or without block" if test_stderr != []
-          yield(stdout.lines.map {|l| l.chomp }, stderr.lines.map {|l| l.chomp }, status)
-        else
-          all_assertions(message) do |a|
-            [["stdout", test_stdout, stdout], ["stderr", test_stderr, stderr]].each do |key, exp, act|
-              a.for(key) do
-                if exp.is_a?(Regexp)
-                  assert_match(exp, act)
-                elsif exp.all? {|e| String === e}
-                  assert_equal(exp, act.lines.map {|l| l.chomp })
-                else
-                  assert_pattern_list(exp, act)
-                end
-              end
-            end
-            unless success.nil?
-              a.for("success?") do
-                if success
-                  assert_predicate(status, :success?)
-                else
-                  assert_not_predicate(status, :success?)
-                end
-              end
-            end
-          end
-          status
-        end
-      end
-
-      def assert_ruby_status(args, test_stdin="", message=nil, **opt)
-        out, _, status = EnvUtil.invoke_ruby(args, test_stdin, true, :merge_to_stdout, **opt)
-        desc = FailDesc[status, message, out]
-        assert(!status.signaled?, desc)
-        message ||= "ruby exit status is not success:"
-        assert(status.success?, desc)
-      end
-
-      ABORT_SIGNALS = Signal.list.values_at(*%w"ILL ABRT BUS SEGV TERM")
-
-      def assert_separately(args, file = nil, line = nil, src, ignore_stderr: nil, **opt)
-        unless file and line
-          loc, = caller_locations(1,1)
-          file ||= loc.path
-          line ||= loc.lineno
-        end
-        src = <<eom
-# -*- coding: #{line += __LINE__; src.encoding}; -*-
-  require #{__dir__.dump};include Test::Unit::Assertions
-  END {
-    puts [Marshal.dump($!)].pack('m'), "assertions=\#{self._assertions}"
-  }
-#{line -= __LINE__; src}
-  class Test::Unit::Runner
-    @@stop_auto_run = true
-  end
-eom
-        args = args.dup
-        args.insert((Hash === args.first ? 1 : 0), "-w", "--disable=gems", *$:.map {|l| "-I#{l}"})
-        stdout, stderr, status = EnvUtil.invoke_ruby(args, src, true, true, **opt)
-        abort = status.coredump? || (status.signaled? && ABORT_SIGNALS.include?(status.termsig))
-        assert(!abort, FailDesc[status, nil, stderr])
-        self._assertions += stdout[/^assertions=(\d+)/, 1].to_i
-        begin
-          res = Marshal.load(stdout.unpack("m")[0])
-        rescue => marshal_error
-          ignore_stderr = nil
-        end
-        if res
-          if bt = res.backtrace
-            bt.each do |l|
-              l.sub!(/\A-:(\d+)/){"#{file}:#{line + $1.to_i}"}
-            end
-            bt.concat(caller)
-          else
-            res.set_backtrace(caller)
-          end
-          raise res unless SystemExit === res
-        end
-
-        # really is it succeed?
-        unless ignore_stderr
-          # the body of assert_separately must not output anything to detect error
-          assert(stderr.empty?, FailDesc[status, "assert_separately failed with error message", stderr])
-        end
-        assert(status.success?, FailDesc[status, "assert_separately failed", stderr])
-        raise marshal_error if marshal_error
-      end
-
-      def assert_warning(pat, msg = nil)
-        result = nil
-        stderr = EnvUtil.with_default_internal(pat.encoding) {
-          EnvUtil.verbose_warning {
-            result = yield
-          }
-        }
-        msg = message(msg) {diff pat, stderr}
-        assert(pat === stderr, msg)
-        result
-      end
-
-      def assert_warn(*args)
-        assert_warning(*args) {$VERBOSE = false; yield}
-      end
-
-      def assert_no_warning(pat, msg = nil)
-        result = nil
-        stderr = EnvUtil.verbose_warning {
-          EnvUtil.with_default_internal(pat.encoding) {
-            result = yield
-          }
-        }
-        msg = message(msg) {diff pat, stderr}
-        refute(pat === stderr, msg)
-        result
-      end
-
-      def assert_no_memory_leak(args, prepare, code, message=nil, limit: 2.0, rss: false, **opt)
-        # TODO: consider choosing some appropriate limit for MJIT and stop skipping this once it does not randomly fail
-        skip 'assert_no_memory_leak may consider MJIT memory usage as leak' if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
-
-        require_relative '../../memory_status'
-        raise MiniTest::Skip, "unsupported platform" unless defined?(Memory::Status)
-
-        token = "\e[7;1m#{$$.to_s}:#{Time.now.strftime('%s.%L')}:#{rand(0x10000).to_s(16)}:\e[m"
-        token_dump = token.dump
-        token_re = Regexp.quote(token)
-        envs = args.shift if Array === args and Hash === args.first
-        args = [
-          "--disable=gems",
-          "-r", File.expand_path("../../../memory_status", __FILE__),
-          *args,
-          "-v", "-",
-        ]
-        if defined? Memory::NO_MEMORY_LEAK_ENVS then
-          envs ||= {}
-          newenvs = envs.merge(Memory::NO_MEMORY_LEAK_ENVS) { |_, _, _| break }
-          envs = newenvs if newenvs
-        end
-        args.unshift(envs) if envs
-        cmd = [
-          'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new}"}',
-          prepare,
-          'STDERR.puts('"#{token_dump}"'"START=#{$initial_status = Memory::Status.new}")',
-          '$initial_size = $initial_status.size',
-          code,
-          'GC.start',
-        ].join("\n")
-        _, err, status = EnvUtil.invoke_ruby(args, cmd, true, true, **opt)
-        before = err.sub!(/^#{token_re}START=(\{.*\})\n/, '') && Memory::Status.parse($1)
-        after = err.sub!(/^#{token_re}FINAL=(\{.*\})\n/, '') && Memory::Status.parse($1)
-        assert(status.success?, FailDesc[status, message, err])
-        ([:size, (rss && :rss)] & after.members).each do |n|
-          b = before[n]
-          a = after[n]
-          next unless a > 0 and b > 0
-          assert_operator(a.fdiv(b), :<, limit, message(message) {"#{n}: #{b} => #{a}"})
-        end
-      rescue LoadError
-        skip
-      end
-
-      # kernel resolution can limit the minimum time we can measure
-      # [ruby-core:81540]
-      MIN_HZ = MiniTest::Unit::TestCase.windows? ? 67 : 100
-      MIN_MEASURABLE = 1.0 / MIN_HZ
-
-      def assert_cpu_usage_low(msg = nil, pct: 0.05, wait: 1.0, stop: nil)
-        require 'benchmark'
-
-        wait = EnvUtil.apply_timeout_scale(wait)
-        if wait < 0.1 # TIME_QUANTUM_USEC in thread_pthread.c
-          warn "test #{msg || 'assert_cpu_usage_low'} too short to be accurate"
-        end
-        tms = Benchmark.measure(msg || '') do
-          if stop
-            th = Thread.start {sleep wait; stop.call}
-            yield
-            th.join
-          else
-            begin
-              Timeout.timeout(wait) {yield}
-            rescue Timeout::Error
-            end
-          end
-        end
-
-        max = pct * tms.real
-        min_measurable = MIN_MEASURABLE
-        min_measurable *= 1.30 # add a little (30%) to account for misc. overheads
-        if max < min_measurable
-          max = min_measurable
-        end
-
-        assert_operator tms.total, :<=, max, msg
-      end
-
-      def assert_is_minus_zero(f)
-        assert(1.0/f == -Float::INFINITY, "#{f} is not -0.0")
-      end
-
-      def assert_file
-        AssertFile
-      end
-
-      # pattern_list is an array which contains regexp and :*.
-      # :* means any sequence.
-      #
-      # pattern_list is anchored.
-      # Use [:*, regexp, :*] for non-anchored match.
-      def assert_pattern_list(pattern_list, actual, message=nil)
-        rest = actual
-        anchored = true
-        pattern_list.each_with_index {|pattern, i|
-          if pattern == :*
-            anchored = false
-          else
-            if anchored
-              match = /\A#{pattern}/.match(rest)
-            else
-              match = pattern.match(rest)
-            end
-            unless match
-              msg = message(msg) {
-                expect_msg = "Expected #{mu_pp pattern}\n"
-                if /\n[^\n]/ =~ rest
-                  actual_mesg = +"to match\n"
-                  rest.scan(/.*\n+/) {
-                    actual_mesg << '  ' << $&.inspect << "+\n"
-                  }
-                  actual_mesg.sub!(/\+\n\z/, '')
-                else
-                  actual_mesg = "to match " + mu_pp(rest)
-                end
-                actual_mesg << "\nafter #{i} patterns with #{actual.length - rest.length} characters"
-                expect_msg + actual_mesg
-              }
-              assert false, msg
-            end
-            rest = match.post_match
-            anchored = true
-          end
-        }
-        if anchored
-          assert_equal("", rest)
-        end
-      end
-
-      # threads should respond to shift method.
-      # Array can be used.
-      def assert_join_threads(threads, message = nil)
-        errs = []
-        values = []
-        while th = threads.shift
-          begin
-            values << th.value
-          rescue Exception
-            errs << [th, $!]
-            th = nil
-          end
-        end
-        values
-      ensure
-        if th&.alive?
-          th.raise(Timeout::Error.new)
-          th.join rescue errs << [th, $!]
-        end
-        if !errs.empty?
-          msg = "exceptions on #{errs.length} threads:\n" +
-            errs.map {|t, err|
-            "#{t.inspect}:\n" +
-              err.full_message(highlight: false, order: :top)
-          }.join("\n---\n")
-          if message
-            msg = "#{message}\n#{msg}"
-          end
-          raise MiniTest::Assertion, msg
-        end
-      end
-
-      class << (AssertFile = Struct.new(:failure_message).new)
-        include Assertions
-        def assert_file_predicate(predicate, *args)
-          if /\Anot_/ =~ predicate
-            predicate = $'
-            neg = " not"
-          end
-          result = File.__send__(predicate, *args)
-          result = !result if neg
-          mesg = "Expected file ".dup << args.shift.inspect
-          mesg << "#{neg} to be #{predicate}"
-          mesg << mu_pp(args).sub(/\A\[(.*)\]\z/m, '(\1)') unless args.empty?
-          mesg << " #{failure_message}" if failure_message
-          assert(result, mesg)
-        end
-        alias method_missing assert_file_predicate
-
-        def for(message)
-          clone.tap {|a| a.failure_message = message}
-        end
-      end
-
-      class AllFailures
-        attr_reader :failures
-
-        def initialize
-          @count = 0
-          @failures = {}
-        end
-
-        def for(key)
-          @count += 1
-          yield
-        rescue Exception => e
-          @failures[key] = [@count, e]
-        end
-
-        def foreach(*keys)
-          keys.each do |key|
-            @count += 1
-            begin
-              yield key
-            rescue Exception => e
-              @failures[key] = [@count, e]
-            end
-          end
-        end
-
-        def message
-          i = 0
-          total = @count.to_s
-          fmt = "%#{total.size}d"
-          @failures.map {|k, (n, v)|
-            v = v.message
-            "\n#{i+=1}. [#{fmt%n}/#{total}] Assertion for #{k.inspect}\n#{v.b.gsub(/^/, '   | ').force_encoding(v.encoding)}"
-          }.join("\n")
-        end
-
-        def pass?
-          @failures.empty?
-        end
-      end
-
-      def assert_all_assertions(msg = nil)
-        all = AllFailures.new
-        yield all
-      ensure
-        assert(all.pass?, message(msg) {all.message.chomp(".")})
-      end
-      alias all_assertions assert_all_assertions
-
-      def assert_all_assertions_foreach(msg = nil, *keys, &block)
-        all = AllFailures.new
-        all.foreach(*keys, &block)
-      ensure
-        assert(all.pass?, message(msg) {all.message.chomp(".")})
-      end
-      alias all_assertions_foreach assert_all_assertions_foreach
-
-      def build_message(head, template=nil, *arguments) #:nodoc:
-        template &&= template.chomp
-        template.gsub(/\G((?:[^\\]|\\.)*?)(\\)?\?/) { $1 + ($2 ? "?" : mu_pp(arguments.shift)) }
-      end
-
-      def message(msg = nil, *args, &default) # :nodoc:
-        if Proc === msg
-          super(nil, *args) do
-            ary = [msg.call, (default.call if default)].compact.reject(&:empty?)
-            if 1 < ary.length
-              ary[0...-1] = ary[0...-1].map {|str| str.sub(/(?<!\.)\z/, '.') }
-            end
-            begin
-              ary.join("\n")
-            rescue Encoding::CompatibilityError
-              ary.map(&:b).join("\n")
-            end
-          end
-        else
-          super
-        end
-      end
-    end
-  end
-end