зеркало из https://github.com/github/ruby.git
111 строки
2.7 KiB
Ruby
111 строки
2.7 KiB
Ruby
# frozen_string_literal: true
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begin
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require_relative 'helper'
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rescue LoadError
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end
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module Fiddle
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class TestClosure < Fiddle::TestCase
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def test_argument_errors
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assert_raise(TypeError) do
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Closure.new(TYPE_INT, TYPE_INT)
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end
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assert_raise(TypeError) do
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Closure.new('foo', [TYPE_INT])
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end
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assert_raise(TypeError) do
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Closure.new(TYPE_INT, ['meow!'])
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end
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end
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def test_type_symbol
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closure = Closure.new(:int, [:void])
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assert_equal([
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TYPE_INT,
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[TYPE_VOID],
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],
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[
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closure.instance_variable_get(:@ctype),
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closure.instance_variable_get(:@args),
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])
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end
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def test_call
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closure = Class.new(Closure) {
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def call
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10
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end
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}.new(TYPE_INT, [])
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func = Function.new(closure, [], TYPE_INT)
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assert_equal 10, func.call
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end
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def test_returner
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closure = Class.new(Closure) {
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def call thing
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thing
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end
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}.new(TYPE_INT, [TYPE_INT])
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func = Function.new(closure, [TYPE_INT], TYPE_INT)
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assert_equal 10, func.call(10)
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end
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def test_const_string
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closure_class = Class.new(Closure) do
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def call(string)
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@return_string = "Hello! #{string}"
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@return_string
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end
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end
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closure = closure_class.new(:const_string, [:const_string])
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func = Function.new(closure, [:const_string], :const_string)
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assert_equal("Hello! World!", func.call("World!"))
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end
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def test_block_caller
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cb = Closure::BlockCaller.new(TYPE_INT, [TYPE_INT]) do |one|
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one
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end
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func = Function.new(cb, [TYPE_INT], TYPE_INT)
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assert_equal 11, func.call(11)
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end
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def test_memsize
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require 'objspace'
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bug = '[ruby-dev:42480]'
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n = 10000
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assert_equal(n, n.times {ObjectSpace.memsize_of(Closure.allocate)}, bug)
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end
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%w[INT SHORT CHAR LONG LONG_LONG].each do |name|
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type = Fiddle.const_get("TYPE_#{name}") rescue next
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size = Fiddle.const_get("SIZEOF_#{name}")
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[[type, size-1, name], [-type, size, "unsigned_"+name]].each do |t, s, n|
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define_method("test_conversion_#{n.downcase}") do
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arg = nil
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clos = Class.new(Closure) do
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define_method(:call) {|x| arg = x}
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end.new(t, [t])
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v = ~(~0 << (8*s))
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arg = nil
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assert_equal(v, clos.call(v))
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assert_equal(arg, v, n)
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arg = nil
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func = Function.new(clos, [t], t)
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assert_equal(v, func.call(v))
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assert_equal(arg, v, n)
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end
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end
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end
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end
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end if defined?(Fiddle)
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