diff options
Diffstat (limited to 'spec/ruby/core/io/lines_spec.rb')
-rw-r--r-- | spec/ruby/core/io/lines_spec.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/ruby/core/io/lines_spec.rb b/spec/ruby/core/io/lines_spec.rb new file mode 100644 index 0000000000..90ddc4e4cf --- /dev/null +++ b/spec/ruby/core/io/lines_spec.rb @@ -0,0 +1,42 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#lines" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close if @io + end + + it "returns an Enumerator" do + @io.lines.should be_an_instance_of(Enumerator) + end + + describe "when no block is given" do + it "returns an Enumerator" do + @io.lines.should be_an_instance_of(Enumerator) + end + + describe "returned Enumerator" do + describe "size" do + it "should return nil" do + @io.lines.size.should == nil + end + end + end + end + + it "returns a line when accessed" do + enum = @io.lines + enum.first.should == IOSpecs.lines[0] + end + + it "yields each line to the passed block" do + ScratchPad.record [] + @io.lines { |s| ScratchPad << s } + ScratchPad.recorded.should == IOSpecs.lines + end +end |