Some (maybe) unexpected return values from yajl-ruby (0.8.3)

yajl_weirdness_spec.rb

require 'yajl'

require 'minitest/spec'
require 'minitest/autorun'

describe Yajl do
  def parse(*args)
    Yajl::Parser.parse(*args)
  end

  it "returns an empty hash sometimes" do
    parse('{')  == {}
    parse('{"') == {}
    parse('{"foo bar baz') == {}
  end

  it "returns nil in some cases" do
    parse('"') == nil
    parse(' ') == nil
  end

  it "returns an empty string sometimes" do
    parse('{""') == ""
  end

  it "raises parse errors in some cases" do
    -> { parse("'") }.must_raise Yajl::ParseError
    -> { parse(nil) }.must_raise Yajl::ParseError
  end
end