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#!/usr/bin/env ruby -wW1
# encoding: UTF-8

$: << File.join(File.dirname(__FILE__), "../lib")
$: << File.join(File.dirname(__FILE__), "../ext")

require 'test/unit'
require 'stringio'
require 'date'
require 'bigdecimal'
require 'oj'

$ruby = RUBY_DESCRIPTION.split(' ')[0]
$ruby = 'ree' if 'ruby' == $ruby && RUBY_DESCRIPTION.include?('Ruby Enterprise Edition')

def hash_eql(h1, h2)
  return false if h1.size != h2.size
  h1.keys.each do |k|
    return false unless h1[k] == h2[k]
  end
  true
end

class Jam
  attr_accessor :x, :y

  def initialize(x, y)
    @x = x
    @y = y
  end

  def eql?(o)
    self.class == o.class && @x == o.x && @y == o.y
  end
  alias == eql?

end # Jam

class Jeez < Jam
  def initialize(x, y)
    super
  end
  
  def to_json()
    %{{"json_class":"#{self.class}","x":#{@x},"y":#{@y}}}
  end

  def self.json_create(h)
    self.new(h['x'], h['y'])
  end
end # Jeez

# contributed by sauliusg to fix as_json
class Orange < Jam
  def initialize(x, y)
    super
  end

  def as_json()
    { :json_class => self.class,
      :x => @x,
      :y => @y }
  end

  def self.json_create(h)
    self.new(h['x'], h['y'])
  end
end

class Melon < Jam
  def initialize(x, y)
    super
  end

  def as_json()
    "#{x} #{y}"
  end

  def self.json_create(h)
    self.new(h['x'], h['y'])
  end
end

class Jazz < Jam
  def initialize(x, y)
    super
  end
  def to_hash()
    { 'json_class' => self.class.to_s, 'x' => @x, 'y' => @y }
  end
  def self.json_create(h)
    self.new(h['x'], h['y'])
  end
end # Jazz

class Range
  def to_hash()
    { 'begin' => self.begin, 'end' => self.end, 'exclude_end' => self.exclude_end? }
  end
end # Range

class Juice < ::Test::Unit::TestCase

  def test0_get_options
    opts = Oj.default_options()
    assert_equal({ :indent=>0,
                   :circular=>false,
                   :auto_define=>true,
                   :symbol_keys=>false,
                   :ascii_only=>false,
                   :mode=>:object,
                   :time_format=>:unix,
                   :max_stack=>65536,
                   :create_id=>'json_class'}, opts)
  end

  def test0_set_options
    orig = {
      :indent=>0,
      :circular=>false,
      :auto_define=>true,
      :symbol_keys=>false,
      :ascii_only=>false,
      :mode=>:object,
      :time_format=>:unix,
      :max_stack=>65536,
      :create_id=>'json_class'}
    o2 = {
      :indent=>4,
      :circular=>true,
      :auto_define=>false,
      :symbol_keys=>true,
      :ascii_only=>true,
      :mode=>:compat,
      :time_format=>:ruby,
      :max_stack=>4000,
      :create_id=>nil}
    o3 = { :indent => 4 }
    Oj.default_options = o2
    opts = Oj.default_options()
    assert_equal(o2, opts);
    Oj.default_options = o3 # see if it throws an exception
    Oj.default_options = orig # return to original
  end

  def test_nil
    dump_and_load(nil, false)
  end

  def test_true
    dump_and_load(true, false)
  end

  def test_false
    dump_and_load(false, false)
  end

  def test_fixnum
    dump_and_load(0, false)
    dump_and_load(12345, false)
    dump_and_load(-54321, false)
    dump_and_load(1, false)
  end

  def test_bignum
    dump_and_load(12345678901234567890123456789, false)
  end

  def test_float
    dump_and_load(0.0, false)
    dump_and_load(12345.6789, false)
    dump_and_load(-54321.012, false)
    dump_and_load(2.48e16, false)
    dump_and_load(2.48e100 * 1.0e10, false)
    dump_and_load(-2.48e100 * 1.0e10, false)
  end

  def test_string
    dump_and_load('', false)
    dump_and_load('abc', false)
    dump_and_load("abc\ndef", false)
    dump_and_load("a\u0041", false)
  end

  def test_string_object
    dump_and_load('abc', false)
    dump_and_load(':abc', false)
  end

  def test_encode
    opts = Oj.default_options
    Oj.default_options = { :ascii_only => false }
    dump_and_load("ぴーたー", false)
    Oj.default_options = { :ascii_only => true }
    json = Oj.dump("ぴーたー")
    assert_equal(%{"\\u3074\\u30fc\\u305f\\u30fc"}, json)
    dump_and_load("ぴーたー", false)
    Oj.default_options = opts
  end

  def test_unicode
    # hits the 3 normal ranges and one extended surrogate pair
    json = %{"\\u019f\\u05e9\\u3074\\ud834\\udd1e"}
    obj = Oj.load(json)
    json2 = Oj.dump(obj, :ascii_only => true)
    assert_equal(json, json2)
  end

  def test_array
    dump_and_load([], false)
    dump_and_load([true, false], false)
    dump_and_load(['a', 1, nil], false)
    dump_and_load([[nil]], false)
    dump_and_load([[nil], 58], false)
  end

  # Symbol
  def test_symbol_strict
    begin
      json = Oj.dump(:abc, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_symbol_null
    json = Oj.dump(:abc, :mode => :null)
    assert_equal('null', json)
  end
  def test_symbol_compat
    json = Oj.dump(:abc, :mode => :compat)
    assert_equal('"abc"', json)
  end
  def test_symbol_object
    Oj.default_options = { :mode => :object }
    #dump_and_load(''.to_sym, false)
    dump_and_load(:abc, false)
    dump_and_load(':xyz'.to_sym, false)
  end

  # Time
  def test_time_strict
    t = Time.local(2012, 1, 5, 23, 58, 7)
    begin
      json = Oj.dump(t, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_time_null
    t = Time.local(2012, 1, 5, 23, 58, 7)
    json = Oj.dump(t, :mode => :null)
    assert_equal('null', json)
  end
  def test_unix_time_compat
    t = Time.xmlschema("2012-01-05T23:58:07.123456000+09:00")
    #t = Time.local(2012, 1, 5, 23, 58, 7, 123456)
    json = Oj.dump(t, :mode => :compat)
    assert_equal(%{1325775487.123456000}, json)
  end
  def test_ruby_time_compat
    t = Time.xmlschema("2012-01-05T23:58:07.123456000+09:00")
    json = Oj.dump(t, :mode => :compat, :time_format => :ruby)
    #assert_equal(%{"2012-01-05 23:58:07 +0900"}, json)
    assert_equal(%{"#{t.to_s}"}, json)
  end
  def test_xml_time_compat
    begin
      t = Time.new(2012, 1, 5, 23, 58, 7.123456000, 34200)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      assert_equal(%{"2012-01-05T23:58:07.123456000+09:30"}, json)
    rescue Exception => e
      # some Rubies (1.8.7) do not allow the timezome to be set
      t = Time.local(2012, 1, 5, 23, 58, 7, 123456)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      tz = t.utc_offset
      # Ruby does not handle a %+02d properly so...
      sign = '+'
      if 0 > tz
        sign = '-'
        tz = -tz
      end
      assert_equal(%{"2012-01-05T23:58:07.123456000%s%02d:%02d"} % [sign, tz / 3600, tz / 60 % 60], json)
    end
  end
  def test_xml_time_compat_no_secs
    begin
      t = Time.new(2012, 1, 5, 23, 58, 7.0, 34200)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      assert_equal(%{"2012-01-05T23:58:07+09:30"}, json)
    rescue Exception => e
      # some Rubies (1.8.7) do not allow the timezome to be set
      t = Time.local(2012, 1, 5, 23, 58, 7, 0)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      tz = t.utc_offset
      # Ruby does not handle a %+02d properly so...
      sign = '+'
      if 0 > tz
        sign = '-'
        tz = -tz
      end
      assert_equal(%{"2012-01-05T23:58:07%s%02d:%02d"} % [sign, tz / 3600, tz / 60 % 60], json)
    end
  end
  def test_xml_time_compat_zulu
    begin
      t = Time.new(2012, 1, 5, 23, 58, 7.0, 0)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      assert_equal(%{"2012-01-05T23:58:07Z"}, json)
    rescue Exception => e
      # some Rubies (1.8.7) do not allow the timezome to be set
      t = Time.utc(2012, 1, 5, 23, 58, 7, 0)
      json = Oj.dump(t, :mode => :compat, :time_format => :xmlschema)
      tz = t.utc_offset
      assert_equal(%{"2012-01-05T23:58:07Z"}, json)
    end
  end
  def test_time_object
    t = Time.now()
    Oj.default_options = { :mode => :object }
    dump_and_load(t, false)
  end

  # Class
  def test_class_strict
    begin
      json = Oj.dump(Juice, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_class_null
    json = Oj.dump(Juice, :mode => :null)
    assert_equal('null', json)
  end
  def test_class_compat
    json = Oj.dump(Juice, :mode => :compat)
    assert_equal(%{"Juice"}, json)
  end
  def test_class_object
    Oj.default_options = { :mode => :object }
    dump_and_load(Juice, false)
  end

  # Hash
  def test_hash
    Oj.default_options = { :mode => :strict }
    dump_and_load({}, false)
    dump_and_load({ 'true' => true, 'false' => false}, false)
    dump_and_load({ 'true' => true, 'array' => [], 'hash' => { }}, false)
  end
  def test_non_str_hash_strict
    begin
      json = Oj.dump({ 1 => true, 0 => false }, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_non_str_hash_null
    begin
      json = Oj.dump({ 1 => true, 0 => false }, :mode => :null)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_non_str_hash_compat
    begin
      json = Oj.dump({ 1 => true, 0 => false }, :mode => :compat)
      assert(false)
    rescue Exception => e
      assert(e.message.include?('Fixnum'))
      assert(true)
    end
  end
  def test_non_str_hash_object
    Oj.default_options = { :mode => :object }
    json = Oj.dump({ 1 => true, :sim => nil })
    h = Oj.load(json, :mode => :strict)
    assert_equal({"^#1" => [1, true], ":sim" => nil}, h)
    h = Oj.load(json)
    assert_equal({ 1 => true, :sim => nil }, h)
  end
  def test_mixed_hash_object
    Oj.default_options = { :mode => :object }
    json = Oj.dump({ 1 => true, 'nil' => nil, :sim => 4 })
    h = Oj.load(json, :mode => :strict)
    assert_equal({"^#1" => [1, true], "nil" => nil, ":sim" => 4}, h)
    h = Oj.load(json)
    assert_equal({ 1 => true, 'nil' => nil, :sim => 4 }, h)
  end

  # Object with to_json()
  def test_json_object_strict
    obj = Jeez.new(true, 58)
    begin
      json = Oj.dump(obj, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_json_object_null
    obj = Jeez.new(true, 58)
    json = Oj.dump(obj, :mode => :null)
    assert_equal('null', json)
  end
  def test_json_object_compat
    Oj.default_options = { :mode => :compat }
    obj = Jeez.new(true, 58)
    json = Oj.dump(obj, :indent => 2)
    assert(%{{"json_class":"Jeez","x":true,"y":58}} == json ||
           %{{"json_class":"Jeez","y":58,"x":true}} == json)
    dump_and_load(obj, false)
  end
  def test_json_object_create_id
    Oj.default_options = { :mode => :compat, :create_id => 'kson_class' }
    expected = Jeez.new(true, 58)
    json = %{{"kson_class":"Jeez","x":true,"y":58}}
    obj = Oj.load(json)
    assert_equal(expected, obj)
    Oj.default_options = { :create_id => 'json_class' }
  end
  def test_json_object_object
    obj = Jeez.new(true, 58)
    json = Oj.dump(obj, :mode => :object, :indent => 2)
    assert(%{{
"^o":"Jeez",
"x":true,
"y":58}} == json ||
%{{
"^o":"Jeez",
"y":58,
"x":true}} == json)
    obj2 = Oj.load(json, :mode => :object)
    assert_equal(obj, obj2)
  end

# Object with to_hash()
  def test_to_hash_object_strict
    obj = Jazz.new(true, 58)
    begin
      json = Oj.dump(obj, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_to_hash_object_null
    obj = Jazz.new(true, 58)
    json = Oj.dump(obj, :mode => :null)
    assert_equal('null', json)
  end
  def test_to_hash_object_compat
    obj = Jazz.new(true, 58)
    json = Oj.dump(obj, :mode => :compat, :indent => 2)
    h = Oj.load(json, :mode => :strict)
    assert_equal(obj.to_hash, h)
  end
  def test_to_hash_object_object
    obj = Jazz.new(true, 58)
    json = Oj.dump(obj, :mode => :object, :indent => 2)
    assert(%{{
"^o":"Jazz",
"x":true,
"y":58}} == json ||
%{{
"^o":"Jazz",
"y":58,
"x":true}} == json)
    obj2 = Oj.load(json, :mode => :object)
    assert_equal(obj, obj2)
  end

  # Object with as_json() # contributed by sauliusg
  def test_as_json_object_strict
    obj = Orange.new(true, 58)
    begin
      json = Oj.dump(obj, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end

  def test_as_json_object_null
    obj = Orange.new(true, 58)
    json = Oj.dump(obj, :mode => :null)
    assert_equal('null', json)
  end

  def test_as_json_object_compat_hash
    Oj.default_options = { :mode => :compat }
    obj = Orange.new(true, 58)
    json = Oj.dump(obj, :indent => 2)
=begin
assert_equal(%{{
"json_class":"Orange",
"x":true,
"y":58}}, json)
=end
    dump_and_load(obj, false)
  end

  def test_as_json_object_compat_non_hash
    Oj.default_options = { :mode => :compat }
    obj = Melon.new(true, 58)
    json = Oj.dump(obj, :indent => 2)
    assert_equal(%{"true 58"}, json)
  end

  def test_as_json_object_object
    obj = Orange.new(true, 58)
    json = Oj.dump(obj, :mode => :object, :indent => 2)
    assert(%{{
"^o":"Orange",
"x":true,
"y":58}} == json ||
%{{
"^o":"Orange",
"y":58,
"x":true}} == json)
    obj2 = Oj.load(json, :mode => :object)
    assert_equal(obj, obj2)
  end

  # Object without to_json() or to_hash()
  def test_object_strict
    obj = Jam.new(true, 58)
    begin
      json = Oj.dump(obj, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_object_null
    obj = Jam.new(true, 58)
    json = Oj.dump(obj, :mode => :null)
    assert_equal('null', json)
  end
  def test_object_compat
    obj = Jam.new(true, 58)
    json = Oj.dump(obj, :mode => :compat, :indent => 2)
    assert(%{{
"x":true,
"y":58}} == json ||
%{{
"y":58,
"x":true}} == json)
  end
  def test_object_object
    obj = Jam.new(true, 58)
    json = Oj.dump(obj, :mode => :object, :indent => 2)
    assert(%{{
"^o":"Jam",
"x":true,
"y":58}} == json ||
%{{
"^o":"Jam",
"y":58,
"x":true}} == json)
    obj2 = Oj.load(json, :mode => :object)
    assert_equal(obj, obj2)
  end

  # Exception
  def test_exception
    err = nil
    begin
      raise StandardError.new('A Message')
      assert(false)
    rescue Exception => e
      err = e
    end
    json = Oj.dump(err, :mode => :object, :indent => 2)
    #puts "*** #{json}"
    e2 = Oj.load(json, :mode => :strict)
    assert_equal(err.class.to_s, e2['^o'])
    assert_equal(err.message, e2['~mesg'])
    assert_equal(err.backtrace, e2['~bt'])
    e2 = Oj.load(json, :mode => :object)
    if RUBY_VERSION.start_with?('1.8') || 'rubinius' == $ruby
      assert_equal(e.class, e2.class);
      assert_equal(e.message, e2.message);
      assert_equal(e.backtrace, e2.backtrace);
    else
      assert_equal(e, e2);
    end
  end

  # Range
  def test_range_strict
    begin
      json = Oj.dump(1..7, :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_range_null
    json = Oj.dump(1..7, :mode => :null)
    assert_equal('null', json)
  end
  def test_range_compat
    json = Oj.dump(1..7, :mode => :compat)
    h = Oj.load(json, :mode => :strict)
    assert_equal({'begin' => 1, 'end' => 7, 'exclude_end' => false}, h)
    json = Oj.dump(1...7, :mode => :compat)
    h = Oj.load(json, :mode => :strict)
    assert_equal({'begin' => 1, 'end' => 7, 'exclude_end' => true}, h)
  end
  def test_range_object
    unless RUBY_VERSION.start_with?('1.8')
      Oj.default_options = { :mode => :object }
      json = Oj.dump(1..7, :mode => :object, :indent => 0)
      if 'rubinius' == $ruby
        assert(%{{"^o":"Range","excl":false,"begin":1,"end":7}} == json ||
               %{{"^o":"Range","begin":1,"end":7,"excl":false}} == json)
      else
        assert_equal(%{{"^u":["Range",1,7,false]}}, json)
      end
      dump_and_load(1..7, false)
      dump_and_load(1..1, false)
      dump_and_load(1...7, false)
    end
  end

  # BigNum
  def test_bignum_strict
    json = Oj.dump(7 ** 55, :mode => :strict)
    assert_equal('30226801971775055948247051683954096612865741943', json)
  end
  def test_bignum_null
    json = Oj.dump(7 ** 55, :mode => :null)
    assert_equal('30226801971775055948247051683954096612865741943', json)
  end
  def test_bignum_compat
    json = Oj.dump(7 ** 55, :mode => :compat)
    b = Oj.load(json, :mode => :strict)
    assert_equal(30226801971775055948247051683954096612865741943, b)
  end
  def test_bignum_object
    dump_and_load(7 ** 55, false)
  end

  # BigDecimal
  def test_bigdecimal_strict
    begin
      json = Oj.dump(BigDecimal.new('3.14159265358979323846'), :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_bigdecimal_null
    json = Oj.dump(BigDecimal.new('3.14159265358979323846'), :mode => :null)
    assert_equal('null', json)
  end
  def test_bigdecimal_compat
    orig = BigDecimal.new('3.14159265358979323846')
    json = Oj.dump(orig, :mode => :compat)
    bg = Oj.load(json, :mode => :compat)
    assert_equal(orig, bg)
  end
  def test_bigdecimal_object
    dump_and_load(BigDecimal.new('3.14159265358979323846'), false)
    # Infinity is the same for Float and BigDecimal
    json = Oj.dump(BigDecimal.new('Infinity'), :mode => :compat)
    assert_equal('Infinity', json)
    json = Oj.dump(BigDecimal.new('-Infinity'), :mode => :compat)
    assert_equal('-Infinity', json)
  end

  # Date
  def test_date_strict
    begin
      json = Oj.dump(Date.new(2012, 6, 19), :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_date_null
    json = Oj.dump(Date.new(2012, 6, 19), :mode => :null)
    assert_equal('null', json)
  end
  def test_date_compat
    orig = Date.new(2012, 6, 19)
    json = Oj.dump(orig, :mode => :compat)
    x = Oj.load(json, :mode => :compat)
    # Some Rubies implement Date as data and some as a real Object. Either are
    # okay for the test.
    if x.is_a?(String)
      assert_equal(orig.to_s, x)
    else # better be a Hash
      assert_equal({"year" => orig.year, "month" => orig.month, "day" => orig.day, "start" => orig.start}, x)
    end
  end
  def test_date_object
    dump_and_load(Date.new(2012, 6, 19), false)
  end

  # DateTime
  def test_datetime_strict
    begin
      json = Oj.dump(DateTime.new(2012, 6, 19, 20, 19, 27), :mode => :strict)
      assert(false)
    rescue Exception => e
      assert(true)
    end
  end
  def test_datetime_null
    json = Oj.dump(DateTime.new(2012, 6, 19, 20, 19, 27), :mode => :null)
    assert_equal('null', json)
  end
  def test_datetime_compat
    orig = DateTime.new(2012, 6, 19, 20, 19, 27)
    json = Oj.dump(orig, :mode => :compat)
    x = Oj.load(json, :mode => :compat)
    # Some Rubies implement Date as data and some as a real Object. Either are
    # okay for the test.
    if x.is_a?(String)
      assert_equal(orig.to_s, x)
    else # better be a Hash
      assert_equal({ "year" => orig.year, "month" => orig.month, "day" => orig.day,
                     "hour" => orig.hour, "min" => orig.min, "sec" => orig.sec,
                     "offset" => orig.offset, "start" => orig.start}, x)
    end
  end
  def test_datetime_object
    dump_and_load(DateTime.new(2012, 6, 19), false)
  end

  # autodefine Oj::Bag
  def test_bag
    json = %{{
"^o":"Jem",
"x":true,
"y":58 }}
    obj = Oj.load(json, :mode => :object)
    assert_equal('Jem', obj.class.name)
    assert_equal(true, obj.x)
    assert_equal(58, obj.y)
  end

  # Circular
  def test_circular_object
    obj = Jam.new(nil, 58)
    obj.x = obj
    json = Oj.dump(obj, :mode => :object, :indent => 2, :circular => true)
    assert(%{{
"^o":"Jam",
"^i":1,
"x":"^r1",
"y":58}} == json ||
%{{
"^o":"Jam",
"^i":1,
"y":58,
"x":"^r1"}} == json)
    obj2 = Oj.load(json, :mode => :object, :circular => true)
    assert_equal(obj2.x.__id__, obj2.__id__)
  end

  def test_circular_hash
    h = { 'a' => 7 }
    h['b'] = h
    json = Oj.dump(h, :mode => :object, :indent => 2, :circular => true)
    ha = Oj.load(json, :mode => :strict)
    assert_equal({'^i' => 1, 'a' => 7, 'b' => '^r1'}, ha)
    h2 = Oj.load(json, :mode => :object, :circular => true)
    assert_equal(h['b'].__id__, h.__id__)
  end

  def test_circular_array
    a = [7]
    a << a
    json = Oj.dump(a, :mode => :object, :indent => 2, :circular => true)
    assert_equal(%{[
"^i1",
7,
"^r1"]}, json)
    a2 = Oj.load(json, :mode => :object, :circular => true)
    assert_equal(a2[1].__id__, a2.__id__)
  end

  def test_circular
    h = { 'a' => 7 }
    obj = Jam.new(h, 58)
    obj.x['b'] = obj
    json = Oj.dump(obj, :mode => :object, :indent => 2, :circular => true)
    ha = Oj.load(json, :mode => :strict)
    assert_equal({'^o' => 'Jam', '^i' => 1, 'x' => { '^i' => 2, 'a' => 7, 'b' => '^r1' }, 'y' => 58 }, ha)
    obj2 = Oj.load(json, :mode => :object, :circular => true)
    assert_equal(obj.x.__id__, h.__id__)
    assert_equal(h['b'].__id__, obj.__id__)
  end

# Stream IO
  def test_io_string
    json = %{{
"x":true,
"y":58,
"z": [1,2,3]
}
}
    input = StringIO.new(json)
    obj = Oj.load(input, :mode => :strict)
    assert_equal({ 'x' => true, 'y' => 58, 'z' => [1, 2, 3]}, obj)
  end

  def test_io_file
    filename = 'open_file_test.json'
    File.open(filename, 'w') { |f| f.write(%{{
"x":true,
"y":58,
"z": [1,2,3]
}
}) }
    f = File.new(filename)
    obj = Oj.load(f, :mode => :strict)
    f.close()
    assert_equal({ 'x' => true, 'y' => 58, 'z' => [1, 2, 3]}, obj)
  end

# symbol_keys option
  def test_symbol_keys
    json = %{{
"x":true,
"y":58,
"z": [1,2,3]
}
}
    obj = Oj.load(json, :mode => :strict, :symbol_keys => true)
    assert_equal({ :x => true, :y => 58, :z => [1, 2, 3]}, obj)
  end

# comments
  def test_comment_slash
    json = %{{
"x":true,//three
"y":58,
"z": [1,2,
3 // six
]}
}
    obj = Oj.load(json, :mode => :strict)
    assert_equal({ 'x' => true, 'y' => 58, 'z' => [1, 2, 3]}, obj)
  end

  def test_comment_c
    json = %{{
"x"/*one*/:/*two*/true,
"y":58,
"z": [1,2,3]}
}
    obj = Oj.load(json, :mode => :strict)
    assert_equal({ 'x' => true, 'y' => 58, 'z' => [1, 2, 3]}, obj)
  end

  def test_comment
    json = %{{
"x"/*one*/:/*two*/true,//three
"y":58/*four*/,
"z": [1,2/*five*/,
3 // six
]
}
}
    obj = Oj.load(json, :mode => :strict)
    assert_equal({ 'x' => true, 'y' => 58, 'z' => [1, 2, 3]}, obj)
  end

  def dump_and_load(obj, trace=false)
    json = Oj.dump(obj, :indent => 2)
    puts json if trace
    loaded = Oj.load(json);
    assert_equal(obj, loaded)
    loaded
  end

end
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