* bootstraptest: new test suite.

* bootstraptest/runner.rb: new file.
* bootstraptest/test_literal.rb: new file.
* bootstraptest/test_method.rb: new file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11851 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 563 insertions, 0 deletions

diff --git a/bootstraptest/runner.rb b/bootstraptest/runner.rb
new file mode 100644
index 0000000000..d48d14e6e6
--- /dev/null
+++ b/bootstraptest/runner.rb
@@ -0,0 +1,120 @@
+# $Id: $
+
+# NOTE:
+# Never use optparse in this file.
+# Never use test/unit in this file.
+# Never use Ruby extensions in this file.
+
+require 'fileutils'
+
+def main
+  @ruby = nil
+  dir = 'bootstraptest.tmpwd'
+  tests = nil
+  ARGV.delete_if {|arg|
+    case arg
+    when /\A--ruby=(.*)/
+      @ruby = File.expand_path($1)
+      true
+    when /\A--sets=(.*)/
+      tests = Dir.glob("#{File.dirname($0)}/test_{#{$1}}*.rb")
+      puts tests.map {|path| File.basename(path) }.inspect
+      true
+    else
+      false
+    end
+  }
+  if tests and not ARGV.empty?
+    $stderr.puts "--tests and arguments are exclusive"
+    exit 1
+  end
+  tests ||= ARGV
+  tests = Dir.glob("#{File.dirname($0)}/test_*.rb") if tests.empty?
+  pathes = tests.map {|path| File.expand_path(path) }
+  in_temporary_working_directory(dir) {
+    exec_test pathes
+  }
+end
+
+def exec_test(pathes)
+  @count = 0
+  @error = 0
+  @errbuf = []
+  @location = nil
+  pathes.each do |path|
+    load File.expand_path(path)
+  end
+  $stderr.puts
+  if @error == 0
+    $stderr.puts "PASS #{@count} tests"
+    exit 0
+  else
+    @errbuf.each do |msg|
+      $stderr.puts msg
+    end
+    $stderr.puts "FAIL #{@error}/#{@count} tests failed"
+    exit 1
+  end
+end
+
+def assert_equal(expected, really)
+  newtest
+  restr = get_result_string(really)
+  check_coredump
+  if expected == restr
+    $stderr.print '.'
+  else
+    $stderr.print 'F'
+    error "expected #{expected.inspect} but is: #{restr.inspect}"
+  end
+rescue Exception => err
+  $stderr.print 'E'
+  error err.message
+end
+
+def get_result_string(src)
+  if @ruby
+    File.open('bootstraptest.tmp.rb', 'w') {|f|
+      f.puts "print(begin; #{src}; end)"
+    }
+    `#{@ruby} bootstraptest.tmp.rb`
+  else
+    eval(src).to_s
+  end
+end
+
+def newtest
+  @location = File.basename(caller(2).first)
+  @count += 1
+  cleanup_coredump
+end
+
+def error(msg)
+  @errbuf.push "\##{@count} #{@location}: #{msg}"
+  @error += 1
+end
+
+def in_temporary_working_directory(dir)
+  FileUtils.rm_rf dir
+  Dir.mkdir dir
+  Dir.chdir(dir) {
+    yield
+  }
+end
+
+def cleanup_coredump
+  FileUtils.rm_f 'core'
+  Dir.glob('core.*').each do |ent|
+    FileUtils.rm_f ent
+  end
+end
+
+class CoreDumpError < StandardError; end
+
+def check_coredump
+  if File.file?('core') or not Dir.glob('core.*').empty?
+    raise CoreDumpError, "core dumped"
+  end
+end
+
+main
diff --git a/bootstraptest/test_literal.rb b/bootstraptest/test_literal.rb
new file mode 100644
index 0000000000..fea5bcd07d
--- /dev/null
+++ b/bootstraptest/test_literal.rb
@@ -0,0 +1,165 @@
+# empty program
+assert_equal '',                ''
+assert_equal '',                ' '
+assert_equal '',                "\n"
+
+# special const
+assert_equal 'true',            'true'
+assert_equal 'TrueClass',       'true.class'
+assert_equal 'false',           'false'
+assert_equal 'FalseClass',      'false.class'
+assert_equal '',                'nil'
+assert_equal 'nil',             'nil.inspect'
+assert_equal 'NilClass',        'nil.class'
+assert_equal 'sym',             ':sym'
+assert_equal ':sym',            ':sym.inspect'
+assert_equal 'Symbol',          ':sym.class'
+assert_equal '1234',            '1234'
+assert_equal 'Fixnum',          '1234.class'
+assert_equal '1234',            '1_2_3_4'
+assert_equal 'Fixnum',          '1_2_3_4.class'
+assert_equal '18',              '0x12'
+assert_equal 'Fixnum',          '0x12.class'
+assert_equal '15',              '0o17'
+assert_equal 'Fixnum',          '0o17.class'
+assert_equal '5',               '0b101'
+assert_equal 'Fixnum',          '0b101.class'
+assert_equal '123456789012345678901234567890', '123456789012345678901234567890'
+assert_equal 'Bignum',          '123456789012345678901234567890.class'
+assert_equal '2.0',             '2.0'
+assert_equal 'Float',           '1.3.class'
+
+# self
+assert_equal 'main',            'self'
+assert_equal 'Object',          'self.class'
+
+# string literal
+assert_equal 'a',               '?a'
+assert_equal 'String',          '?a.class'
+assert_equal 'A',               '?A'
+assert_equal 'String',          '?A.class'
+assert_equal "\n",              '?\n'
+assert_equal 'String',          '?\n.class'
+assert_equal ' ',               '?\ '
+assert_equal 'String',          '?\ .class'
+assert_equal 'string',          "'string'"
+assert_equal 'string',          '"string"'
+assert_equal 'string',          '%(string)'
+assert_equal 'string',          '%q(string)'
+assert_equal 'string',          '%Q(string)'
+assert_equal 'string string',   '"string string"'
+assert_equal ' ',               '" "'
+assert_equal "\0",              '"\0"'
+assert_equal "\1",              '"\1"'
+assert_equal "3",               '"\x33"'
+assert_equal "\n",              '"\n"'
+
+# dynamic string literal
+assert_equal '2',               '"#{1 + 1}"'
+assert_equal '16',              '"#{2 ** 4}"'
+assert_equal 'string',          's = "string"; "#{s}"'
+
+# dynamic symbol literal
+assert_equal 'a3c',             ':"a#{1+2}c"'
+assert_equal ':a3c',            ':"a#{1+2}c".inspect'
+assert_equal 'Symbol',          ':"a#{1+2}c".class'
+
+# xstring
+assert_equal "foo\n",           %q(`echo foo`)
+assert_equal "foo\n",           %q(s = "foo"; `echo #{s}`)
+
+# regexp
+assert_equal '',                '//.source'
+assert_equal 'Regexp',          '//.class'
+assert_equal '0',               '// =~ "a"'
+assert_equal '0',               '// =~ ""'
+assert_equal 'a',               '/a/.source'
+assert_equal 'Regexp',          '/a/.class'
+assert_equal '0',               '/a/ =~ "a"'
+assert_equal '0',               '/test/ =~ "test"'
+assert_equal '',                '/test/ =~ "tes"'
+assert_equal '0',               're = /test/; re =~ "test"'
+assert_equal '0',               'str = "test"; /test/ =~ str'
+assert_equal '0',               're = /test/; str = "test"; re =~ str'
+
+# dynacmi regexp
+assert_equal 'regexp',          %q(/re#{'ge'}xp/.source)
+assert_equal 'Regexp',          %q(/re#{'ge'}xp/.class)
+
+# array
+assert_equal 'Array',           '[].class'
+assert_equal '0',               '[].size'
+assert_equal '0',               '[].length'
+assert_equal '[]',              '[].inspect'
+assert_equal 'Array',           '[0].class'
+assert_equal '1',               '[3].size'
+assert_equal '[3]',             '[3].inspect'
+assert_equal '3',               'a = [3]; a[0]'
+assert_equal 'Array',           '[1,2].class'
+assert_equal '2',               '[1,2].size'
+assert_equal '[1, 2]',           '[1,2].inspect'
+assert_equal 'Array',           '[1,2,3,4,5].class'
+assert_equal '5',               '[1,2,3,4,5].size'
+assert_equal '[1, 2, 3, 4, 5]', '[1,2,3,4,5].inspect'
+assert_equal '1',               'a = [1,2]; a[0]'
+assert_equal '2',               'a = [1,2]; a[1]'
+assert_equal 'Array',           'a = [1 + 2, 3 + 4, 5 + 6]; a.class'
+assert_equal '[3, 7, 11]',      'a = [1 + 2, 3 + 4, 5 + 6]; a.inspect'
+assert_equal '7',               'a = [1 + 2, 3 + 4, 5 + 6]; a[1]'
+assert_equal '1',               '([0][0] += 1)'
+assert_equal '1',               '([2][0] -= 1)'
+assert_equal 'Array',           'a = [obj = Object.new]; a.class'
+assert_equal '1',               'a = [obj = Object.new]; a.size'
+assert_equal 'true',            'a = [obj = Object.new]; a[0] == obj'
+assert_equal '5',               'a = [1,2,3]; a[1] = 5; a[1]'
+
+# hash
+assert_equal 'Hash',            '{}.class'
+assert_equal '{}',              '{}.inspect'
+assert_equal 'Hash',            '{1=>2}.class'
+assert_equal '{1=>2}',          '{1=>2}.inspect'
+assert_equal '2',               'h = {1 => 2}; h[1]'
+assert_equal '0',               'h = {1 => 2}; h.delete(1); h.size'
+assert_equal '',                'h = {1 => 2}; h.delete(1); h[1]'
+assert_equal '2',               'h = {"string" => "literal", "goto" => "hell"}; h.size'
+assert_equal 'literal', 'h = {"string"=>"literal", "goto"=>"hell"}; h["string"]'
+assert_equal 'hell', 'h = {"string"=>"literal", "goto"=>"hell"}; h["goto"]'
+
+# range
+assert_equal 'Range',           '(1..2).class'
+assert_equal '1..2',            '(1..2).inspect'
+assert_equal '1',               '(1..2).begin'
+assert_equal '2',               '(1..2).end'
+assert_equal 'false',           '(1..2).exclude_end?'
+assert_equal 'Range',           'r = 1..2; r.class'
+assert_equal '1..2',            'r = 1..2; r.inspect'
+assert_equal '1',               'r = 1..2; r.begin'
+assert_equal '2',               'r = 1..2; r.end'
+assert_equal 'false',           'r = 1..2; r.exclude_end?'
+assert_equal 'Range',           '(1...3).class'
+assert_equal '1...3',           '(1...3).inspect'
+assert_equal '1',               '(1...3).begin'
+assert_equal '3',               '(1...3).end'
+assert_equal 'true',            '(1...3).exclude_end?'
+assert_equal 'Range',           'r = (1...3); r.class'
+assert_equal '1...3',           'r = (1...3); r.inspect'
+assert_equal '1',               'r = (1...3); r.begin'
+assert_equal '3',               'r = (1...3); r.end'
+assert_equal 'true',            'r = (1...3); r.exclude_end?'
+assert_equal 'Range',           'r = (1+2 .. 3+4); r.class'
+assert_equal '3..7',            'r = (1+2 .. 3+4); r.inspect'
+assert_equal '3',               'r = (1+2 .. 3+4); r.begin'
+assert_equal '7',               'r = (1+2 .. 3+4); r.end'
+assert_equal 'false',           'r = (1+2 .. 3+4); r.exclude_end?'
+assert_equal 'Range',           'r = (1+2 ... 3+4); r.class'
+assert_equal '3...7',           'r = (1+2 ... 3+4); r.inspect'
+assert_equal '3',               'r = (1+2 ... 3+4); r.begin'
+assert_equal '7',               'r = (1+2 ... 3+4); r.end'
+assert_equal 'true',            'r = (1+2 ... 3+4); r.exclude_end?'
+assert_equal 'Range',           'r = ("a".."c"); r.class'
+assert_equal '"a".."c"',        'r = ("a".."c"); r.inspect'
+assert_equal 'a',               'r = ("a".."c"); r.begin'
+assert_equal 'c',               'r = ("a".."c"); r.end'
+
+assert_equal 'String',          '__FILE__.class'
+assert_equal 'Fixnum',          '__LINE__.class'
diff --git a/bootstraptest/test_method.rb b/bootstraptest/test_method.rb
new file mode 100644
index 0000000000..e1f6eabdf8
--- /dev/null
+++ b/bootstraptest/test_method.rb
@@ -0,0 +1,278 @@
+# regular argument
+assert_equal '1',       'def m() 1 end; m()'
+assert_equal '1',       'def m(a) a end; m(1)'
+assert_equal '1',       'def m(a,b) a end; m(1,7)'
+assert_equal '1',       'def m(a,b) b end; m(7,1)'
+assert_equal '1',       'def m(a,b,c) a end; m(1,7,7)'
+assert_equal '1',       'def m(a,b,c) b end; m(7,1,7)'
+assert_equal '1',       'def m(a,b,c) c end; m(7,7,1)'
+
+# default argument
+assert_equal '1',       'def m(x=1) x end; m()'
+assert_equal '1',       'def m(x=7) x end; m(1)'
+assert_equal '1',       'def m(a,x=1) x end; m(7)'
+assert_equal '1',       'def m(a,x=7) x end; m(7,1)'
+assert_equal '1',       'def m(a,b,x=1) x end; m(7,7)'
+assert_equal '1',       'def m(a,b,x=7) x end; m(7,7,1)'
+assert_equal '1',       'def m(a,x=1,y=1) x end; m(7)'
+assert_equal '1',       'def m(a,x=1,y=1) y end; m(7)'
+assert_equal '1',       'def m(a,x=7,y=1) x end; m(7,1)'
+assert_equal '1',       'def m(a,x=7,y=1) y end; m(7,1)'
+assert_equal '1',       'def m(a,x=7,y=7) x end; m(7,1,1)'
+assert_equal '1',       'def m(a,x=7,y=7) y end; m(7,1,1)'
+
+# rest argument
+assert_equal '[]',      'def m(*a) a end; m().inspect'
+assert_equal '[1]',     'def m(*a) a end; m(1).inspect'
+assert_equal '[1, 2]',  'def m(*a) a end; m(1,2).inspect'
+assert_equal '[]',      'def m(x,*a) a end; m(7).inspect'
+assert_equal '[1]',     'def m(x,*a) a end; m(7,1).inspect'
+assert_equal '[1, 2]',  'def m(x,*a) a end; m(7,1,2).inspect'
+assert_equal '[]',      'def m(x,y,*a) a end; m(7,7).inspect'
+assert_equal '[1]',     'def m(x,y,*a) a end; m(7,7,1).inspect'
+assert_equal '[1, 2]',  'def m(x,y,*a) a end; m(7,7,1,2).inspect'
+assert_equal '[]',      'def m(x,y=7,*a) a end; m(7).inspect'
+assert_equal '[]',      'def m(x,y,z=7,*a) a end; m(7,7).inspect'
+assert_equal '[]',      'def m(x,y,z=7,*a) a end; m(7,7,7).inspect'
+assert_equal '[]',      'def m(x,y,z=7,zz=7,*a) a end; m(7,7,7).inspect'
+assert_equal '[]',      'def m(x,y,z=7,zz=7,*a) a end; m(7,7,7,7).inspect'
+assert_equal '1',       'def m(x,y,z=7,zz=1,*a) zz end; m(7,7,7).inspect'
+assert_equal '1',       'def m(x,y,z=7,zz=1,*a) zz end; m(7,7,7).inspect'
+assert_equal '1',       'def m(x,y,z=7,zz=7,*a) zz end; m(7,7,7,1).inspect'
+
+# block argument
+assert_equal 'Proc',    'def m(&block) block end; m{}.class'
+assert_equal 'nil',     'def m(&block) block end; m().inspect'
+assert_equal 'Proc',    'def m(a,&block) block end; m(7){}.class'
+assert_equal 'nil',     'def m(a,&block) block end; m(7).inspect'
+assert_equal '1',       'def m(a,&block) a end; m(1){}'
+assert_equal 'Proc',    'def m(a,b=nil,&block) block end; m(7){}.class'
+assert_equal 'nil',     'def m(a,b=nil,&block) block end; m(7).inspect'
+assert_equal 'Proc',    'def m(a,b=nil,&block) block end; m(7,7){}.class'
+assert_equal '1',       'def m(a,b=nil,&block) b end; m(7,1){}'
+assert_equal 'Proc',    'def m(a,b=nil,*c,&block) block end; m(7){}.class'
+assert_equal 'nil',     'def m(a,b=nil,*c,&block) block end; m(7).inspect'
+assert_equal '1',       'def m(a,b=nil,*c,&block) a end; m(1).inspect'
+assert_equal '1',       'def m(a,b=1,*c,&block) b end; m(7).inspect'
+assert_equal '1',       'def m(a,b=7,*c,&block) b end; m(7,1).inspect'
+assert_equal '[1]',     'def m(a,b=7,*c,&block) c end; m(7,7,1).inspect'
+
+# splat
+assert_equal '1',       'def m(a) a end; m(*[1])'
+assert_equal '1',       'def m(x,a) a end; m(7,*[1])'
+assert_equal '1',       'def m(x,y,a) a end; m(7,7,*[1])'
+assert_equal '1',       'def m(a,b) a end; m(*[1,7])'
+assert_equal '1',       'def m(a,b) b end; m(*[7,1])'
+assert_equal '1',       'def m(x,a,b) b end; m(7,*[7,1])'
+assert_equal '1',       'def m(x,y,a,b) b end; m(7,7,*[7,1])'
+assert_equal '1',       'def m(a,b,c) a end; m(*[1,7,7])'
+assert_equal '1',       'def m(a,b,c) b end; m(*[7,1,7])'
+assert_equal '1',       'def m(a,b,c) c end; m(*[7,7,1])'
+assert_equal '1',       'def m(x,a,b,c) a end; m(7,*[1,7,7])'
+assert_equal '1',       'def m(x,y,a,b,c) a end; m(7,7,*[1,7,7])'
+
+# hash argument
+assert_equal '1',       'def m(h) h end; m(7=>1)[7]'
+assert_equal '1',       'def m(h) h end; m(7=>1).size'
+assert_equal '1',       'def m(h) h end; m(7=>1, 8=>7)[7]'
+assert_equal '2',       'def m(h) h end; m(7=>1, 8=>7).size'
+assert_equal '1',       'def m(h) h end; m(7=>1, 8=>7, 9=>7)[7]'
+assert_equal '3',       'def m(h) h end; m(7=>1, 8=>7, 9=>7).size'
+assert_equal '1',       'def m(x,h) h end; m(7, 7=>1)[7]'
+assert_equal '1',       'def m(x,h) h end; m(7, 7=>1, 8=>7)[7]'
+assert_equal '1',       'def m(x,h) h end; m(7, 7=>1, 8=>7, 9=>7)[7]'
+assert_equal '1',       'def m(x,y,h) h end; m(7,7, 7=>1)[7]'
+assert_equal '1',       'def m(x,y,h) h end; m(7,7, 7=>1, 8=>7)[7]'
+assert_equal '1',       'def m(x,y,h) h end; m(7,7, 7=>1, 8=>7, 9=>7)[7]'
+
+# block argument
+assert_equal '1',       %q(def m(&block) mm(&block) end
+                           def mm() yield 1 end
+                           m {|a| a })
+assert_equal '1',       %q(def m(x,&block) mm(x,&block) end
+                           def mm(x) yield 1 end
+                           m(7) {|a| a })
+assert_equal '1',       %q(def m(x,y,&block) mm(x,y,&block) end
+                           def mm(x,y) yield 1 end
+                           m(7,7) {|a| a })
+
+# recursive call
+assert_equal '1',       %q(def m(n) n == 0 ? 1 : m(n-1) end; m(5))
+
+# instance method
+assert_equal '1',       %q(class C; def m() 1 end end;  C.new.m)
+assert_equal '1',       %q(class C; def m(a) a end end;  C.new.m(1))
+assert_equal '1',       %q(class C; def m(a = 1) a end end;  C.new.m)
+assert_equal '[1]',     %q(class C; def m(*a) a end end;  C.new.m(1).inspect)
+assert_equal '1',       %q( class C
+                              def m() mm() end
+                              def mm() 1 end
+                            end
+                            C.new.m )
+
+# singleton method (const)
+assert_equal '1',       %q(class C; def C.m() 1 end end;  C.m)
+assert_equal '1',       %q(class C; def C.m(a) a end end;  C.m(1))
+assert_equal '1',       %q(class C; def C.m(a = 1) a end end;  C.m)
+assert_equal '[1]',     %q(class C; def C.m(*a) a end end;  C.m(1).inspect)
+assert_equal '1',       %q(class C; end; def C.m() 1 end;  C.m)
+assert_equal '1',       %q(class C; end; def C.m(a) a end;  C.m(1))
+assert_equal '1',       %q(class C; end; def C.m(a = 1) a end;  C.m)
+assert_equal '[1]',     %q(class C; end; def C.m(*a) a end;  C.m(1).inspect)
+assert_equal '1',       %q(class C; def m() 7 end end; def C.m() 1 end;  C.m)
+assert_equal '1',       %q( class C
+                              def C.m() mm() end
+                              def C.mm() 1 end
+                            end
+                            C.m )
+
+# singleton method (lvar)
+assert_equal '1',       %q(obj = Object.new; def obj.m() 1 end;  obj.m)
+assert_equal '1',       %q(obj = Object.new; def obj.m(a) a end;  obj.m(1))
+assert_equal '1',       %q(obj = Object.new; def obj.m(a=1) a end;  obj.m)
+assert_equal '[1]',     %q(obj = Object.new; def obj.m(*a) a end;  obj.m(1))
+assert_equal '1',       %q(class C; def m() 7 end; end
+                           obj = C.new
+                           def obj.m() 1 end
+                           obj.m)
+
+# inheritance
+assert_equal '1',       %q(class A; def m(a) a end end
+                           class B < A; end
+                           B.new.m(1))
+assert_equal '1',       %q(class A; end
+                           class B < A; def m(a) a end end
+                           B.new.m(1))
+assert_equal '1',       %q(class A; def m(a) a end end
+                           class B < A; end
+                           class C < B; end
+                           C.new.m(1))
+
+# include
+assert_equal '1',       %q(class A; def m(a) a end end
+                           module M; end
+                           class B < A; include M; end
+                           B.new.m(1))
+assert_equal '1',       %q(class A; end
+                           module M; def m(a) a end end
+                           class B < A; include M; end
+                           B.new.m(1))
+
+# alias
+assert_equal '1',       %q( def a() 1 end
+                            alias m a
+                            m() )
+assert_equal '1',       %q( class C
+                              def a() 1 end
+                              alias m a
+                            end
+                            C.new.m )
+assert_equal '1',       %q( class C
+                              def a() 1 end
+                              alias :m a
+                            end
+                            C.new.m )
+assert_equal '1',       %q( class C
+                              def a() 1 end
+                              alias m :a
+                            end
+                            C.new.m )
+assert_equal '1',       %q( class C
+                              def a() 1 end
+                              alias :m :a
+                            end
+                            C.new.m )
+assert_equal '1',       %q( class C
+                              def a() 1 end
+                              alias m a
+                              undef a
+                            end
+                            C.new.m )
+
+# private
+assert_equal '1',       %q( class C
+                              def m() mm() end
+                              def mm() 1 end
+                              private :mm
+                            end
+                            C.new.m )
+assert_equal '1',       %q( class C
+                              def m() 7 end
+                              private :m
+                            end
+                            begin C.m; rescue NoMethodError; 1 end )
+assert_equal '1',       %q( class C
+                              def C.m() mm() end
+                              def C.mm() 1 end
+                              private_class_method :mm
+                            end
+                            C.m )
+assert_equal '1',       %q( class C
+                              def C.m() 7 end
+                              private_class_method :m
+                            end
+                            begin C.m; rescue NoMethodError; 1 end )
+assert_equal '1',       %q( class C; def m() 1 end end
+                            C.new.m   # cache
+                            class C
+                              alias mm m; private :mm
+                            end
+                            C.new.m
+                            begin C.new.mm; 7; rescue NoMethodError; 1 end )
+
+# nested method
+assert_equal '1',       %q( class C
+                              def m
+                                def mm() 1 end
+                              end
+                            end
+                            C.new.m
+                            C.new.mm )
+assert_equal '1',       %q( class C
+                              def m
+                                def mm() 1 end
+                              end
+                            end
+                            instance_eval "C.new.m; C.new.mm" )
+
+# method_missing
+assert_equal ':m',      %q( class C
+                              def method_missing(mid, *args) mid end
+                            end
+                            C.new.m.inspect )
+assert_equal ':mm',     %q( class C
+                              def method_missing(mid, *args) mid end
+                            end
+                            C.new.mm.inspect )
+assert_equal '[1, 2]',  %q( class C
+                              def method_missing(mid, *args) args end
+                            end
+                            C.new.m(1,2).inspect )
+assert_equal '1',       %q( class C
+                              def method_missing(mid, *args) yield 1 end
+                            end
+                            C.new.m {|a| a })
+assert_equal 'nil',     %q( class C
+                              def method_missing(mid, *args, &block) block end
+                            end
+                            C.new.m.inspect )
+
+# send
+assert_equal '1',       %q( class C; def m() 1 end end;
+                            C.new.__send__(:m) )
+assert_equal '1',       %q( class C; def m() 1 end end;
+                            C.new.send(:m) )
+assert_equal '1',       %q( class C; def m(a) a end end;
+                            C.new.send(:m,1) )
+assert_equal '1',       %q( class C; def m(a,b) a end end;
+                            C.new.send(:m,1,7) )
+assert_equal '1',       %q( class C; def m(x,a=1) a end end;
+                            C.new.send(:m,7) )
+assert_equal '1',       %q( class C; def m(x,a=7) a end end;
+                            C.new.send(:m,7,1) )
+assert_equal '[1, 2]',  %q( class C; def m(*a) a end end;
+                            C.new.send(:m,1,2).inspect )
+assert_equal '1',       %q( class C; def m() 7 end; private :m end
+                            begin C.new.send(:m); rescue NoMethodError; 1 end )
+assert_equal '1',       %q( class C; def m() 1 end; private :m end
+                            C.new.funcall(:m) )