diff options
Diffstat (limited to 'spec/ruby/core/io/close_read_spec.rb')
-rw-r--r-- | spec/ruby/core/io/close_read_spec.rb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/spec/ruby/core/io/close_read_spec.rb b/spec/ruby/core/io/close_read_spec.rb new file mode 100644 index 0000000000..b5aba57795 --- /dev/null +++ b/spec/ruby/core/io/close_read_spec.rb @@ -0,0 +1,80 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#close_read" do + + before :each do + @io = IO.popen 'cat', "r+" + @path = tmp('io.close.txt') + end + + after :each do + @io.close unless @io.closed? + rm_r @path + end + + it "closes the read end of a duplex I/O stream" do + @io.close_read + + lambda { @io.read }.should raise_error(IOError) + end + + ruby_version_is ''...'2.3' do + it "raises an IOError on subsequent invocations" do + @io.close_read + + lambda { @io.close_read }.should raise_error(IOError) + end + end + + ruby_version_is '2.3' do + it "does nothing on subsequent invocations" do + @io.close_read + + @io.close_read.should be_nil + end + end + + it "allows subsequent invocation of close" do + @io.close_read + + lambda { @io.close }.should_not raise_error + end + + it "raises an IOError if the stream is writable and not duplexed" do + io = File.open @path, 'w' + + begin + lambda { io.close_read }.should raise_error(IOError) + ensure + io.close unless io.closed? + end + end + + it "closes the stream if it is neither writable nor duplexed" do + io_close_path = @path + touch io_close_path + + io = File.open io_close_path + + io.close_read + + io.closed?.should == true + end + + ruby_version_is ''...'2.3' do + it "raises IOError on closed stream" do + @io.close + + lambda { @io.close_read }.should raise_error(IOError) + end + end + + ruby_version_is '2.3' do + it "does nothing on closed stream" do + @io.close + + @io.close_read.should be_nil + end + end +end |