diff options
Diffstat (limited to 'spec/ruby/core/io/pid_spec.rb')
-rw-r--r-- | spec/ruby/core/io/pid_spec.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/io/pid_spec.rb b/spec/ruby/core/io/pid_spec.rb new file mode 100644 index 0000000000..a4f6bbfcf8 --- /dev/null +++ b/spec/ruby/core/io/pid_spec.rb @@ -0,0 +1,35 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes.rb', __FILE__) + +describe "IO#pid" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close if @io + end + + it "returns nil for IO not associated with a process" do + @io.pid.should == nil + end +end + +describe "IO#pid" do + before :each do + @io = IO.popen ruby_cmd('STDIN.read'), "r+" + end + + after :each do + @io.close if @io && !@io.closed? + end + + it "returns the ID of a process associated with stream" do + @io.pid.should_not be_nil + end + + it "raises an IOError on closed stream" do + @io.close + lambda { @io.pid }.should raise_error(IOError) + end +end |