File: errno_spec.rb

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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.errno" do
  module LibTest
    extend FFI::Library
    ffi_lib TestLibrary::PATH
    attach_function :setLastError, [ :int ], :void
  end

  it "FFI.errno contains errno from last function" do
    LibTest.setLastError(0)
    LibTest.setLastError(0x12345678)
    expect(FFI.errno).to eq(0x12345678)
  end
end