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#
# This file is part of ruby-ffi.
# For licensing, see LICENSE.SPECS
#
require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
describe "FFI::FunctionType", skip: RUBY_ENGINE != "ruby" do
it 'is initialized with return type and a list of parameter types' do
function_type = FFI::FunctionType.new(:int, [ :char, :ulong ])
expect(function_type.return_type).to be == FFI::Type::Builtin::INT
expect(function_type.param_types).to be == [ FFI::Type::Builtin::CHAR, FFI::Type::Builtin::ULONG ]
end
it 'has a memsize function' do
base_size = ObjectSpace.memsize_of(Object.new)
function_type = FFI::FunctionType.new(:int, [])
size = ObjectSpace.memsize_of(function_type)
expect(size).to be > base_size
base_size = size
function_type = FFI::FunctionType.new(:int, [:char])
size = ObjectSpace.memsize_of(function_type)
expect(size).to be > base_size
end
end
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