1#!/usr/bin/env ruby
2# encoding: utf-8
3
4require 'test/unit'
5require File.join(File.dirname(__FILE__), 'setup_variant')
6
7class TestJSONUnicode < Test::Unit::TestCase
8  include JSON
9
10  def test_unicode
11    assert_equal '""', ''.to_json
12    assert_equal '"\\b"', "\b".to_json
13    assert_equal '"\u0001"', 0x1.chr.to_json
14    assert_equal '"\u001f"', 0x1f.chr.to_json
15    assert_equal '" "', ' '.to_json
16    assert_equal "\"#{0x7f.chr}\"", 0x7f.chr.to_json
17    utf8 = [ "© ≠ €! \01" ]
18    json = '["© ≠ €! \u0001"]'
19    assert_equal json, utf8.to_json(:ascii_only => false)
20    assert_equal utf8, parse(json)
21    json = '["\u00a9 \u2260 \u20ac! \u0001"]'
22    assert_equal json, utf8.to_json(:ascii_only => true)
23    assert_equal utf8, parse(json)
24    utf8 = ["\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212"]
25    json = "[\"\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212\"]"
26    assert_equal utf8, parse(json)
27    assert_equal json, utf8.to_json(:ascii_only => false)
28    utf8 = ["\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212"]
29    assert_equal utf8, parse(json)
30    json = "[\"\\u3042\\u3044\\u3046\\u3048\\u304a\"]"
31    assert_equal json, utf8.to_json(:ascii_only => true)
32    assert_equal utf8, parse(json)
33    utf8 = ['საქართველო']
34    json = '["საქართველო"]'
35    assert_equal json, utf8.to_json(:ascii_only => false)
36    json = "[\"\\u10e1\\u10d0\\u10e5\\u10d0\\u10e0\\u10d7\\u10d5\\u10d4\\u10da\\u10dd\"]"
37    assert_equal json, utf8.to_json(:ascii_only => true)
38    assert_equal utf8, parse(json)
39    assert_equal '["Ã"]', JSON.generate(["Ã"], :ascii_only => false)
40    assert_equal '["\\u00c3"]', JSON.generate(["Ã"], :ascii_only => true)
41    assert_equal ["€"], JSON.parse('["\u20ac"]')
42    utf8 = ["\xf0\xa0\x80\x81"]
43    json = "[\"\xf0\xa0\x80\x81\"]"
44    assert_equal json, JSON.generate(utf8, :ascii_only => false)
45    assert_equal utf8, JSON.parse(json)
46    json = '["\ud840\udc01"]'
47    assert_equal json, JSON.generate(utf8, :ascii_only => true)
48    assert_equal utf8, JSON.parse(json)
49  end
50
51  def test_chars
52    (0..0x7f).each do |i|
53      json = '["\u%04x"]' % i
54      if RUBY_VERSION >= "1.9."
55        i = i.chr
56      end
57      assert_equal i, JSON.parse(json).first[0]
58      if i == ?\b
59        generated = JSON.generate(["" << i])
60        assert '["\b"]' == generated || '["\10"]' == generated
61      elsif [?\n, ?\r, ?\t, ?\f].include?(i)
62        assert_equal '[' << ('' << i).dump << ']', JSON.generate(["" << i])
63      elsif i.chr < 0x20.chr
64        assert_equal json, JSON.generate(["" << i])
65      end
66    end
67    assert_raise(JSON::GeneratorError) do
68      JSON.generate(["\x80"], :ascii_only => true)
69    end
70    assert_equal "\302\200", JSON.parse('["\u0080"]').first
71  end
72end
73