diff options
Diffstat (limited to 'spec/ruby/library/zlib/gzipreader/eof_spec.rb')
-rw-r--r-- | spec/ruby/library/zlib/gzipreader/eof_spec.rb | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/spec/ruby/library/zlib/gzipreader/eof_spec.rb b/spec/ruby/library/zlib/gzipreader/eof_spec.rb new file mode 100644 index 0000000000..446cbfec37 --- /dev/null +++ b/spec/ruby/library/zlib/gzipreader/eof_spec.rb @@ -0,0 +1,56 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'stringio' +require 'zlib' + +describe "GzipReader#eof?" do + + before :each do + @data = '{"a":1234}' + @zip = [31, 139, 8, 0, 0, 0, 0, 0, 0, 3, 171, 86, 74, 84, 178, 50, + 52, 50, 54, 169, 5, 0, 196, 20, 118, 213, 10, 0, 0, 0].pack('C*') + @io = StringIO.new @zip + end + + it "returns true when at EOF" do + gz = Zlib::GzipReader.new @io + gz.eof?.should be_false + gz.read + gz.eof?.should be_true + end + + it "returns true when at EOF with the exact length of uncompressed data" do + gz = Zlib::GzipReader.new @io + gz.eof?.should be_false + gz.read(10) + gz.eof?.should be_true + end + + it "returns true when at EOF with a length greater than the size of uncompressed data" do + gz = Zlib::GzipReader.new @io + gz.eof?.should be_false + gz.read(11) + gz.eof?.should be_true + end + + it "returns false when at EOF when there's data left in the buffer to read" do + gz = Zlib::GzipReader.new @io + gz.read(9) + gz.eof?.should be_false + gz.read + gz.eof?.should be_true + end + + # This is especially important for JRuby, since eof? there + # is more than just a simple accessor. + it "does not affect the reading data" do + gz = Zlib::GzipReader.new @io + 0.upto(9) do |i| + gz.eof?.should be_false + gz.read(1).should == @data[i, 1] + end + gz.eof?.should be_true + gz.read().should == "" + gz.eof?.should be_true + end + +end |