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Diffstat (limited to 'spec/ruby/core/io/close_spec.rb')
-rw-r--r-- | spec/ruby/core/io/close_spec.rb | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/spec/ruby/core/io/close_spec.rb b/spec/ruby/core/io/close_spec.rb new file mode 100644 index 0000000000..0e51ec23d2 --- /dev/null +++ b/spec/ruby/core/io/close_spec.rb @@ -0,0 +1,82 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#close" do + before :each do + @name = tmp('io_close.txt') + @io = new_io @name + end + + after :each do + @io.close unless @io.closed? + rm_r @name + end + + it "closes the stream" do + @io.close + @io.closed?.should == true + end + + it "returns nil" do + @io.close.should == nil + end + + it "raises an IOError reading from a closed IO" do + @io.close + lambda { @io.read }.should raise_error(IOError) + end + + it "raises an IOError writing to a closed IO" do + @io.close + lambda { @io.write "data" }.should raise_error(IOError) + end + + ruby_version_is ''...'2.3' do + it "raises an IOError if closed" do + @io.close + lambda { @io.close }.should raise_error(IOError) + end + end + + ruby_version_is "2.3" do + it "does nothing if already closed" do + @io.close + + @io.close.should be_nil + end + end +end + +describe "IO#close on an IO.popen stream" do + + it "clears #pid" do + io = IO.popen ruby_cmd('r = loop{puts "y"; 0} rescue 1; exit r'), 'r' + + io.pid.should_not == 0 + + io.close + + lambda { io.pid }.should raise_error(IOError) + end + + it "sets $?" do + io = IO.popen ruby_cmd('exit 0'), 'r' + io.close + + $?.exitstatus.should == 0 + + io = IO.popen ruby_cmd('exit 1'), 'r' + io.close + + $?.exitstatus.should == 1 + end + + it "waits for the child to exit" do + io = IO.popen ruby_cmd('r = loop{puts "y"; 0} rescue 1; exit r'), 'r' + io.close + + $?.exitstatus.should_not == 0 + end + +end + |