| # |
| # This file is part of ruby-ffi. |
| # For licensing, see LICENSE.SPECS |
| # |
| |
| require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper")) |
| |
| unless FFI::Platform.windows? |
| class Timeval < FFI::Struct |
| layout :tv_sec, :ulong, 0, :tv_usec, :ulong, 4 |
| end |
| |
| module LibC |
| extend FFI::Library |
| ffi_lib FFI::Library::LIBC |
| |
| attach_function :gettimeofday, [:pointer, :pointer], :int |
| end |
| |
| describe FFI::Library, "#attach_function" do |
| it "correctly returns a value for gettimeofday" do |
| t = Timeval.new |
| time = LibC.gettimeofday(t.pointer, nil) |
| expect(time).to be_kind_of(Integer) |
| end |
| |
| it "correctly populates a struct for gettimeofday" do |
| t = Timeval.new |
| LibC.gettimeofday(t.pointer, nil) |
| expect(t[:tv_sec]).to be_kind_of(Numeric) |
| expect(t[:tv_usec]).to be_kind_of(Numeric) |
| end |
| end |
| end |