Module: InterfaceTest

Defined in:
lib/type_struct/interface_test.rb

Constant Summary collapse

Interface = 
TypeStruct::Interface
Reader = 
Interface.new(:read)
Writer = 
Interface.new(:write)
ReadWriter = 
Interface.new(:read, :write)

Instance Method Summary collapse

Instance Method Details

#test_equal(t) ⇒ Object 



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# File 'lib/type_struct/interface_test.rb', line 21

def test_equal(t)
  r = Object.new
  def r.read
  end
  case r
  when Reader
  else
    t.error("expect Reader === r is true")
  end

  w = Object.new
  def w.write
  end
  case w
  when Writer
  else
    t.error("expect Writer === w is true")
  end

  case r
  when ReadWriter
    t.error("expect ReadWriter === r is false")
  end
end

#test_initialize(t) ⇒ Object 



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# File 'lib/type_struct/interface_test.rb', line 5

def test_initialize(t)
  unless Interface === Interface.new
    t.error("return value was break")
  end
  unless Interface === Interface.new(:foo)
    t.error("return value was break")
  end
  unless Interface === Interface.new(:foo, :bar)
    t.error("return value was break")
  end
end

#test_or(t) ⇒ Object 



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# File 'lib/type_struct/interface_test.rb', line 46

def test_or(t)
  r_or_w = Reader | Writer
  r = Object.new
  def r.read
  end

  case r
  when r_or_w
  else
    t.error("expect rw === r is true")
  end
end