A test for uglifier encoding Chinese bug

chinese.js

alert("ÖÐÎÄ");

test_chinese.rake

# encoding: UTF-8
# A test for uglifier encoding Chinese bug
# author jinze@corp.netease.com
# at least need JRuby 1.6.5 && JRUBY_OPTS="--1.9"

$KCODE = 'UTF8'

require "rubygems"
require "uglifier"
require "multi_json"

ExecJS.runtime = ExecJS::Runtimes::Node	#need NodeJS
#MultiJson.engine = :json_gem	#(encode bug)
#MultiJson.engine = :ok_json	#(encode bug, defalut but slow?)
#MultiJson.engine = :yajl		#(encode bug, can not run under JRuby 1.6.4)
MultiJson.engine = :json_pure	#(a little slow...but encode right!)

SRC_ENCODING = 'gb18030'

task :chinese do
	str = '{"chinese":"中文"}'
	puts str
	puts MultiJson.encode(MultiJson.decode(str))
	File.open("chinese_r.js", 'w') do |file|
		file << str
		result = File.read("chinese.js").encode('utf-8',SRC_ENCODING)
		puts result
		puts result.encoding
		file << result
		result2 = result.encode(SRC_ENCODING)
		puts result2
		puts result2.encoding
		file << result2
		result = Uglifier.compile(result, :copyright => false)
		puts result
		puts result.encoding
		file << result
		result = result.encode(SRC_ENCODING)
		puts result
		puts result.encoding
		file << result
	end
end