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	git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			525 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			525 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
require 'test/unit'
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require 'drb/drb'
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require 'drb/eq'
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require 'rinda/tuplespace'
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require 'singleton'
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module Rinda
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class MockClock
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  include Singleton
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  class MyTS < Rinda::TupleSpace
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    def keeper
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      nil
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    end
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  end
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  def initialize
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    @now = 2
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    @reso = 0.1
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    @ts = MyTS.new
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    @ts.write([2, :now])
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    @inf = 2**31 - 1
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  end
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  def now
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    @now.to_f
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  end
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  def at(n)
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    n
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  end
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  def _forward(n=nil)
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    now ,= @ts.take([nil, :now])
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    @now = now + n
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    n = @reso if n.nil?
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    @ts.write([@now, :now])
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  end
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  def forward(n=nil)
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    while n > 0
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      _forward(@reso)
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      n -= @reso
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    end
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  end
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  def rewind
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    now ,= @ts.take([nil, :now])
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    @ts.write([@inf, :now])
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    @ts.take([nil, :now])
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    @now = 2
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    @ts.write([2, :now])
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  end
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  def sleep(n=nil)
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    while will_deadlock? 
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      n -= @reso
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      forward
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      return 0 if n <= 0
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    end
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    now ,= @ts.read([nil, :now])
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    @ts.read([(now + n)..@inf, :now])
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    0
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  end
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  def will_deadlock?
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    sz = Thread.current.group.list.find_all {|x| x.status != 'sleep'}.size
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    sz <= 1
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  end
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end
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module Time
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  def sleep(n)
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    @m.sleep(n)
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  end
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  module_function :sleep
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  def at(n)
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    n
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  end
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  module_function :at
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  def now
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    @m ? @m.now : 2
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  end
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  module_function :now
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  def rewind
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    @m.rewind
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  end
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  module_function :rewind
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  def forward(n)
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    @m.forward(n)
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  end
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  module_function :forward
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  @m = MockClock.instance
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end
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class TupleSpace
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  def sleep(n)
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    Time.sleep(n)
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  end
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end
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module TupleSpaceTestModule
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  def sleep(n)
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    if Thread.current == Thread.main
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      Time.forward(n)
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    else
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      Time.sleep(n)
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    end
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  end
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  def test_00_tuple
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    tuple = Rinda::TupleEntry.new([1,2,3])
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    assert(!tuple.canceled?)
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    assert(!tuple.expired?)
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    assert(tuple.alive?)
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  end
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  def test_00_template
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    tmpl = Rinda::Template.new([1,2,3])
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    assert_equal(3, tmpl.size)
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    assert_equal(3, tmpl[2])
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    assert(tmpl.match([1,2,3]))
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    assert(!tmpl.match([1,nil,3]))
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    tmpl = Rinda::Template.new([/^rinda/i, nil, :hello])
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    assert_equal(3, tmpl.size)
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    assert(tmpl.match(['Rinda', 2, :hello]))
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    assert(!tmpl.match(['Rinda', 2, Symbol]))
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    assert(!tmpl.match([1, 2, :hello]))
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    assert(tmpl.match([/^rinda/i, 2, :hello]))
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    tmpl = Rinda::Template.new([Symbol])
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match([:hello]))
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    assert(tmpl.match([Symbol]))
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    assert(!tmpl.match(['Symbol']))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>String})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    assert_raises(Rinda::InvalidHashTupleKey) do
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      tmpl = Rinda::Template.new({:message=>String, "name"=>String})
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    end
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    tmpl = Rinda::Template.new({"name"=>String})
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match({"name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>:symbol, "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>String})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String})
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    assert_equal(1, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    tmpl = Rinda::Template.new({"message"=>String, "name"=>nil})
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    assert_equal(2, tmpl.size)
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    assert(tmpl.match({"message"=>"Hello", "name"=>"Foo"}))
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    assert(!tmpl.match({"message"=>"Hello", "name"=>"Foo", "1"=>2}))
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    assert(!tmpl.match({"message"=>"Hi", "name"=>"Foo", "age"=>1}))
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    assert(!tmpl.match({"message"=>"Hello", "no_name"=>"Foo"}))
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    assert_raises(Rinda::InvalidHashTupleKey) do
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      @ts.write({:message=>String, "name"=>String})
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    end
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    @ts.write([1, 2, 3])
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    assert_equal([1, 2, 3], @ts.take([1, 2, 3]))
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    @ts.write({'1'=>1, '2'=>2, '3'=>3})
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    assert_equal({'1'=>1, '2'=>2, '3'=>3}, @ts.take({'1'=>1, '2'=>2, '3'=>3}))
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    entry = @ts.write(['1'=>1, '2'=>2, '3'=>3])
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    assert_raises(Rinda::RequestExpiredError) do
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      assert_equal({'1'=>1, '2'=>2, '3'=>3}, @ts.read({'1'=>1}, 0))
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    end
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    entry.cancel
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  end
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  def test_00_DRbObject
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    ro = DRbObject.new(nil, "druby://host:1234")
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    tmpl = Rinda::DRbObjectTemplate.new
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    assert(tmpl === ro)
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    tmpl = Rinda::DRbObjectTemplate.new("druby://host:1234")
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    assert(tmpl === ro)
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    tmpl = Rinda::DRbObjectTemplate.new("druby://host:12345")
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    assert(!(tmpl === ro))
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    tmpl = Rinda::DRbObjectTemplate.new(/^druby:\/\/host:/)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with(12345, 1234)
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    assert(!(tmpl === ro))
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    ro = DRbObject.new_with("druby://foo:12345", 1234)
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    assert(!(tmpl === ro))
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    tmpl = Rinda::DRbObjectTemplate.new(/^druby:\/\/(foo|bar):/)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with("druby://bar:12345", 1234)
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    assert(tmpl === ro)
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    ro = DRbObject.new_with("druby://baz:12345", 1234)
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    assert(!(tmpl === ro))
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  end
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  def test_inp_rdp
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    assert_raises(Rinda::RequestExpiredError) do
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      @ts.take([:empty], 0)
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    end
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    assert_raises(Rinda::RequestExpiredError) do
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      @ts.read([:empty], 0)
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    end
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  end
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  def test_core_01
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    5.times do |n|
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      @ts.write([:req, 2])
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    end
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    assert_equal([[:req, 2], [:req, 2], [:req, 2], [:req, 2], [:req, 2]],
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		 @ts.read_all([nil, nil]))
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    taker = Thread.new do
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      s = 0
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      while true
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	begin
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	  tuple = @ts.take([:req, Integer], 0.5)
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	  assert_equal(2, tuple[1])
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	  s += tuple[1]
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	rescue Rinda::RequestExpiredError
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	  break
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	end
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      end
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      @ts.write([:ans, s])
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      s
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    end
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    sleep(20)
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    tuple = @ts.take([:ans, nil])
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    assert_equal(10, tuple[1])
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    assert_equal(10, taker.value)
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  end
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  def test_core_02
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    taker = Thread.new do
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      s = 0
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      while true
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	begin
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	  tuple = @ts.take([:req, Integer], 1.0)
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	  assert_equal(2, tuple[1])
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	  s += tuple[1]
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	rescue Rinda::RequestExpiredError
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	  break
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	end
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      end
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      @ts.write([:ans, s])
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      s
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    end
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    5.times do |n|
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      @ts.write([:req, 2])
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    end
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    sleep(20)
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    tuple = @ts.take([:ans, nil])
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    assert_equal(10, tuple[1])
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    assert_equal(10, taker.value)
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    assert_equal([], @ts.read_all([nil, nil]))
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  end
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  def test_core_03_notify
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    notify1 = @ts.notify(nil, [:req, Integer])
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    notify2 = @ts.notify(nil, [:ans, Integer], 5)
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    notify3 = @ts.notify(nil, {"message"=>String, "name"=>String}, 5)
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    @ts.write({"message"=>"first", "name"=>"3"}, 3)
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    @ts.write({"message"=>"second", "name"=>"1"}, 1)
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    @ts.write({"message"=>"third", "name"=>"0"})
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    @ts.take({"message"=>"third", "name"=>"0"})
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    listener1 = Thread.new do
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      lv = 0
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      n = 0
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      notify1.each  do |ev, tuple|
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	n += 1
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	if ev == 'write'
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	  lv = lv + 1
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	elsif ev == 'take'
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	  lv = lv - 1
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	else
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	  break
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	end
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	assert(lv >= 0)
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	assert_equal([:req, 2], tuple)
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      end
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      [lv, n]
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    end
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    listener2 = Thread.new do
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      result = nil
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      lv = 0
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      n = 0
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      notify2.each  do |ev|
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	n += 1
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	if ev[0] == 'write'
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	  lv = lv + 1
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	elsif ev[0] == 'take'
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	  lv = lv - 1
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	elsif ev[0] == 'close'
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	  result = [lv, n]
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	else
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	  break
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	end
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	assert(lv >= 0)
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	assert_equal([:ans, 10], ev[1])
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      end
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      result
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    end
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    taker = Thread.new do
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      s = 0
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      while true
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	begin
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	  tuple = @ts.take([:req, Integer], 1.0)
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	  s += tuple[1]
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	rescue Rinda::RequestExpiredError
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	  break
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	end
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      end
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      @ts.write([:ans, s])
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      s
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    end
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    writer = Thread.new do
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      5.times do |n|
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	@ts.write([:req, 2])
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	sleep 0.1
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      end
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    end
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    @ts.take({"message"=>"first", "name"=>"3"})
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    sleep(4)
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    tuple = @ts.take([:ans, nil])
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    assert_equal(10, tuple[1])
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    assert_equal(10, taker.value)
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    assert_equal([], @ts.read_all([nil, nil]))
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    notify1.cancel
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    sleep(3) # notify2 expired
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    assert_equal([0, 11], listener1.value)
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    assert_equal([0, 3], listener2.value)
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    ary = []
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    ary.push(["write", {"message"=>"first", "name"=>"3"}])
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    ary.push(["write", {"message"=>"second", "name"=>"1"}])
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    ary.push(["write", {"message"=>"third", "name"=>"0"}])
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    ary.push(["take", {"message"=>"third", "name"=>"0"}])
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    ary.push(["take", {"message"=>"first", "name"=>"3"}])
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    ary.push(["delete", {"message"=>"second", "name"=>"1"}])
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    ary.push(["close"])
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    notify3.each do |ev|
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      assert_equal(ary.shift, ev)
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    end
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    assert_equal([], ary)
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  end
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  def test_cancel_01
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    entry = @ts.write([:removeme, 1])
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    assert_equal([[:removeme, 1]], @ts.read_all([nil, nil]))
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    entry.cancel
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    assert_equal([], @ts.read_all([nil, nil]))
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    template = nil
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    taker = Thread.new do
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      @ts.take([:take, nil], 10) do |template|
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	Thread.new do
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	  sleep 0.2
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	  template.cancel
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	end
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      end
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    end
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    sleep(1)
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    assert(template.canceled?)
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    @ts.write([:take, 1])
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    assert_raises(Rinda::RequestCanceledError) do
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      assert_nil(taker.value)
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    end
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    assert_equal([[:take, 1]], @ts.read_all([nil, nil]))
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  end
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  def test_cancel_02
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    entry = @ts.write([:removeme, 1])
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    assert_equal([[:removeme, 1]], @ts.read_all([nil, nil]))
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    entry.cancel
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    assert_equal([], @ts.read_all([nil, nil]))
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    template = nil
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    reader = Thread.new do
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      @ts.read([:take, nil], 10) do |template|
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	Thread.new do
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	  sleep 0.2
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	  template.cancel
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	end
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      end
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    end
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    sleep(1)
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    assert(template.canceled?)
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    @ts.write([:take, 1])
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 | 
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    assert_raises(Rinda::RequestCanceledError) do
 | 
						|
      assert_nil(reader.value)
 | 
						|
    end
 | 
						|
 | 
						|
    assert_equal([[:take, 1]], @ts.read_all([nil, nil]))
 | 
						|
  end
 | 
						|
 | 
						|
  class SimpleRenewer
 | 
						|
    def initialize(sec, n = 1)
 | 
						|
      @sec = sec
 | 
						|
      @n = n
 | 
						|
    end
 | 
						|
    
 | 
						|
    def renew
 | 
						|
      return -1 if @n <= 0
 | 
						|
      @n -= 1
 | 
						|
      return @sec
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def test_00_renewer
 | 
						|
    tuple = Rinda::TupleEntry.new([1,2,3], true)
 | 
						|
    assert(!tuple.canceled?)
 | 
						|
    assert(tuple.expired?)
 | 
						|
    assert(!tuple.alive?)
 | 
						|
    
 | 
						|
    tuple = Rinda::TupleEntry.new([1,2,3], 1)
 | 
						|
    assert(!tuple.canceled?)
 | 
						|
    assert(!tuple.expired?)
 | 
						|
    assert(tuple.alive?)
 | 
						|
    sleep(2)
 | 
						|
    assert(tuple.expired?)
 | 
						|
    assert(!tuple.alive?)
 | 
						|
 | 
						|
    tuple = Rinda::TupleEntry.new([1,2,3], SimpleRenewer.new(1,2))
 | 
						|
    assert(!tuple.canceled?)
 | 
						|
    assert(!tuple.expired?)
 | 
						|
    assert(tuple.alive?)
 | 
						|
    sleep(1.5)
 | 
						|
    assert(!tuple.canceled?)
 | 
						|
    assert(!tuple.expired?)
 | 
						|
    assert(tuple.alive?)
 | 
						|
    sleep(1.5)
 | 
						|
    assert(tuple.expired?)
 | 
						|
    assert(!tuple.alive?)
 | 
						|
  end
 | 
						|
end
 | 
						|
 | 
						|
class TupleSpaceTest < Test::Unit::TestCase
 | 
						|
  include TupleSpaceTestModule
 | 
						|
 | 
						|
  def setup
 | 
						|
    ThreadGroup.new.add(Thread.current)
 | 
						|
    @ts = Rinda::TupleSpace.new(1)
 | 
						|
  end
 | 
						|
end
 | 
						|
 | 
						|
class TupleSpaceProxyTest < Test::Unit::TestCase
 | 
						|
  include TupleSpaceTestModule
 | 
						|
 | 
						|
  def setup
 | 
						|
    ThreadGroup.new.add(Thread.current)
 | 
						|
    @ts_base = Rinda::TupleSpace.new(1)
 | 
						|
    @ts = Rinda::TupleSpaceProxy.new(@ts_base)
 | 
						|
  end
 | 
						|
 | 
						|
  def test_remote_array_and_hash
 | 
						|
    @ts.write(DRbObject.new([1, 2, 3]))
 | 
						|
    assert_equal([1, 2, 3], @ts.take([1, 2, 3], 0))
 | 
						|
    @ts.write(DRbObject.new({'head' => 1, 'tail' => 2}))
 | 
						|
    assert_equal({'head' => 1, 'tail' => 2},
 | 
						|
                 @ts.take({'head' => 1, 'tail' => 2}, 0))
 | 
						|
  end
 | 
						|
 | 
						|
  @server = DRb.primary_server || DRb.start_service
 | 
						|
end
 | 
						|
 | 
						|
end
 | 
						|
 |