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ruby--ruby/spec/ruby/core/io/ioctl_spec.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-20 20:18:52 +00:00

32 lines
945 B
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#ioctl" do
platform_is_not :windows do
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.ioctl(5, 5) }.should raise_error(IOError)
end
end
platform_is :linux do
platform_is "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|
lambda {
# TIOCGWINSZ in /usr/include/asm-generic/ioctls.h
f.ioctl 0x5413, nil
}.should raise_error(Errno::ENOTTY)
end
end
end
end