mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
32 lines
918 B
Ruby
32 lines
918 B
Ruby
require_relative '../../spec_helper'
|
|
require_relative 'fixtures/classes'
|
|
|
|
describe "IO#ioctl" do
|
|
platform_is_not :windows do
|
|
it "raises IOError on closed stream" do
|
|
-> { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
|
|
end
|
|
end
|
|
|
|
platform_is :linux do
|
|
guard -> { RUBY_PLATFORM.include?("86") } do # x86 / x86_64
|
|
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
|
|
end
|
|
|
|
it "raises an Errno error when ioctl fails" do
|
|
File.open(__FILE__, 'r') do |f|
|
|
-> {
|
|
# TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
|
|
f.ioctl 0x5413, nil
|
|
}.should raise_error(Errno::ENOTTY)
|
|
end
|
|
end
|
|
end
|
|
end
|