Sha256: 1b5552c0db11c49aeb0b41098f6fd951eb5b8a429ef595354639224661b99ade
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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#ioctl" do
#it "raises IOError on closed stream" do
# lambda { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
# end
=begin
it "resizes an empty String to match the output size" do
File.open(__FILE__, 'r') do |f|
buffer = ''
# FIONREAD in /usr/include/asm-generic/ioctls.h
f.ioctl 0x541B, buffer
buffer.unpack('I').first.should be_kind_of(Integer)
end
end
it "passes data from and to a String correctly" do
s = Socket.new Socket::AF_INET, Socket::SOCK_DGRAM, 0
# /usr/include/net/if.h, structure ifreq
# The structure is 32 bytes on x86, 40 bytes on x86_64
if_name = ['lo'].pack('a16')
buffer = if_name + 'z' * 24
# SIOCGIFADDR in /usr/include/bits/ioctls.h
s.ioctl 0x8915, buffer
s.close
# Interface name should remain unchanged.
buffer[0, 16].should == if_name
# lo should have an IPv4 address of 127.0.0.1
buffer[16, 1].unpack('C').first.should == Socket::AF_INET
buffer[20, 4].should == "\x7f\0\0\x01"
end
it "raises an Errno error when ioctl fails" do
File.open(__FILE__, 'r') do |f|
lambda {
# TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
f.ioctl 0x5413, nil
}.should raise_error(Errno::ENOTTY)
end
end
=end
end
Version data entries
52 entries across 52 versions & 2 rubygems