diff options
Diffstat (limited to 'spec/ruby/library/stringio/pos_spec.rb')
-rw-r--r-- | spec/ruby/library/stringio/pos_spec.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/pos_spec.rb b/spec/ruby/library/stringio/pos_spec.rb new file mode 100644 index 0000000000..59d0a43f12 --- /dev/null +++ b/spec/ruby/library/stringio/pos_spec.rb @@ -0,0 +1,28 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/tell', __FILE__) + +describe "StringIO#pos" do + it_behaves_like :stringio_tell, :pos +end + +describe "StringIO#pos=" do + before :each do + @io = StringIOSpecs.build + end + + it "updates the current byte offset" do + @io.pos = 26 + @io.read(1).should == "r" + end + + it "raises an EINVAL if given a negative argument" do + lambda { @io.pos = -10 }.should raise_error(Errno::EINVAL) + end + + it "updates the current byte offset after reaching EOF" do + @io.read + @io.pos = 26 + @io.read(1).should == "r" + end +end |