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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/io/dup_spec.rb | |
parent | 52df1d0d3370919711c0577aaa42d1a864709885 (diff) | |
download | ruby-a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5.tar.gz |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/core/io/dup_spec.rb')
-rw-r--r-- | spec/rubyspec/core/io/dup_spec.rb | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/spec/rubyspec/core/io/dup_spec.rb b/spec/rubyspec/core/io/dup_spec.rb new file mode 100644 index 0000000000..a90b04aa5d --- /dev/null +++ b/spec/rubyspec/core/io/dup_spec.rb @@ -0,0 +1,69 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#dup" do + before :each do + @file = tmp("rubinius_spec_io_dup_#{$$}_#{Time.now.to_f}") + @f = File.open @file, 'w+' + @i = @f.dup + + @f.sync = true + @i.sync = true + end + + after :each do + @i.close if @i && !@i.closed? + @f.close if @f && !@f.closed? + rm_r @file + end + + it "returns a new IO instance" do + @i.class.should == @f.class + end + + it "sets a new descriptor on the returned object" do + @i.fileno.should_not == @f.fileno + end + +quarantine! do # This does not appear to be consistent across platforms + it "shares the original stream between the two IOs" do + start = @f.pos + @i.pos.should == start + + s = "Hello, wo.. wait, where am I?\n" + s2 = "<evil voice> Muhahahaa!" + + @f.write s + @i.pos.should == @f.pos + + @i.rewind + @i.gets.should == s + + @i.rewind + @i.write s2 + + @f.rewind + @f.gets.should == "#{s2}\n" + end +end + + it "allows closing the new IO without affecting the original" do + @i.close + lambda { @f.gets }.should_not raise_error(Exception) + + @i.closed?.should == true + @f.closed?.should == false + end + + it "allows closing the original IO without affecting the new one" do + @f.close + lambda { @i.gets }.should_not raise_error(Exception) + + @i.closed?.should == false + @f.closed?.should == true + end + + it "raises IOError on closed stream" do + lambda { IOSpecs.closed_io.dup }.should raise_error(IOError) + end +end |