vendor/bundle/ruby/2.4.0/gems/ffi-1.9.18/spec/ffi/struct_initialize_spec.rb

#
# 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::Struct, ' with an initialize function' do
  it "should call the initialize function" do
    class StructWithInitialize < FFI::Struct
      layout :string, :string
      attr_accessor :magic
      def initialize
        super
        self.magic = 42
      end
    end
    expect(StructWithInitialize.new.magic).to eq(42)
  end
end

describe FFI::ManagedStruct, ' with an initialize function' do
  it "should call the initialize function" do
    class ManagedStructWithInitialize < FFI::ManagedStruct
      layout :string, :string
      attr_accessor :magic
      def initialize
        super FFI::MemoryPointer.new(:pointer).put_int(0, 0x1234).get_pointer(0)
        self.magic = 42
      end
      def self.release;end
    end
    expect(ManagedStructWithInitialize.new.magic).to eq(42)
  end
end