begin require_relative 'helper' rescue LoadError end module Fiddle class TestClosure < Fiddle::TestCase def test_argument_errors assert_raises(TypeError) do Closure.new(TYPE_INT, TYPE_INT) end assert_raises(TypeError) do Closure.new('foo', [TYPE_INT]) end assert_raises(TypeError) do Closure.new(TYPE_INT, ['meow!']) end end def test_call closure = Class.new(Closure) { def call 10 end }.new(TYPE_INT, []) func = Function.new(closure, [], TYPE_INT) assert_equal 10, func.call end def test_returner closure = Class.new(Closure) { def call thing thing end }.new(TYPE_INT, [TYPE_INT]) func = Function.new(closure, [TYPE_INT], TYPE_INT) assert_equal 10, func.call(10) end def test_block_caller cb = Closure::BlockCaller.new(TYPE_INT, [TYPE_INT]) do |one| one end func = Function.new(cb, [TYPE_INT], TYPE_INT) assert_equal 11, func.call(11) end def test_memsize require 'objspace' bug = '[ruby-dev:42480]' n = 10000 assert_equal(n, n.times {ObjectSpace.memsize_of(Closure.allocate)}, bug) end end end if defined?(Fiddle)