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ruby--ruby/spec/ruby/library/stringio/close_read_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

36 lines
860 B
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "StringIO#close_read" do
before :each do
@io = StringIO.new("example")
end
it "returns nil" do
@io.close_read.should be_nil
end
it "prevents further reading" do
@io.close_read
lambda { @io.read(1) }.should raise_error(IOError)
end
it "allows further writing" do
@io.close_read
@io.write("x").should == 1
end
it "raises an IOError when in write-only mode" do
io = StringIO.new("example", "w")
lambda { io.close_read }.should raise_error(IOError)
io = StringIO.new("example")
io.close_read
ruby_version_is ''...'2.3' do
lambda { io.close_read }.should raise_error(IOError)
end
ruby_version_is '2.3' do
io.close_read.should == nil
end
end
end