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ruby--ruby/spec/ruby/library/zlib/gzipreader/eof_spec.rb
2019-11-30 21:26:52 +01:00

54 lines
1.4 KiB
Ruby

require_relative '../../../spec_helper'
require 'stringio'
require 'zlib'
describe "Zlib::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