diff options
Diffstat (limited to 'spec/rubyspec/library/zlib/gzipreader/shared/each.rb')
-rw-r--r-- | spec/rubyspec/library/zlib/gzipreader/shared/each.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/spec/rubyspec/library/zlib/gzipreader/shared/each.rb b/spec/rubyspec/library/zlib/gzipreader/shared/each.rb new file mode 100644 index 0000000000..47cd284b6a --- /dev/null +++ b/spec/rubyspec/library/zlib/gzipreader/shared/each.rb @@ -0,0 +1,51 @@ +require File.expand_path('../../../../../spec_helper', __FILE__) +require 'stringio' +require 'zlib' + +describe :gzipreader_each, shared: true do + + before :each do + @data = "firstline\nsecondline\n\nforthline" + @zip = [31, 139, 8, 0, 244, 125, 128, 88, 2, 255, 75, 203, 44, 42, 46, 201, + 201, 204, 75, 229, 42, 78, 77, 206, 207, 75, 1, 51, 185, 210,242, + 139, 74, 50, 64, 76, 0, 180, 54, 61, 111, 31, 0, 0, 0].pack('C*') + + @io = StringIO.new @zip + @gzreader = Zlib::GzipReader.new @io + end + + after :each do + ScratchPad.clear + end + + it "calls the given block for each line in the stream, passing the line as an argument" do + ScratchPad.record [] + @gzreader.send(@method) { |b| ScratchPad << b } + + ScratchPad.recorded.should == ["firstline\n", "secondline\n", "\n", "forthline"] + end + + it "returns an enumerator, which yields each byte in the stream, when no block is passed" do + enum = @gzreader.send(@method) + + ScratchPad.record [] + while true + begin + ScratchPad << enum.next + rescue StopIteration + break + end + end + + ScratchPad.recorded.should == ["firstline\n", "secondline\n", "\n", "forthline"] + end + + it "increments position before calling the block" do + i = 0 + @gzreader.send(@method) do |line| + i += line.length + @gzreader.pos.should == i + end + end + +end |