* test/lib/test/unit.rb: added test files with `_test` suffix for json

  upstream.
* test/json: merge original test files from json upstream.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 105 insertions, 0 deletions

diff --git a/test/json/json_encoding_test.rb b/test/json/json_encoding_test.rb
new file mode 100644
index 0000000000..29ae02e563
--- /dev/null
+++ b/test/json/json_encoding_test.rb
@@ -0,0 +1,105 @@
+# encoding: utf-8
+#frozen_string_literal: false
+require 'test_helper'
+
+class JSONEncodingTest < Test::Unit::TestCase
+  include JSON
+
+  def setup
+    @utf_8      = '"© ≠ €!"'
+    @ascii_8bit = @utf_8.dup.force_encoding('ascii-8bit')
+    @parsed     = "© ≠ €!"
+    @generated  = '"\u00a9 \u2260 \u20ac!"'
+    if String.method_defined?(:encode)
+      @utf_16_data = @parsed.encode('utf-16be', 'utf-8')
+      @utf_16be = @utf_8.encode('utf-16be', 'utf-8')
+      @utf_16le = @utf_8.encode('utf-16le', 'utf-8')
+      @utf_32be = @utf_8.encode('utf-32be', 'utf-8')
+      @utf_32le = @utf_8.encode('utf-32le', 'utf-8')
+    else
+      require 'iconv'
+      @utf_16_data, = Iconv.iconv('utf-16be', 'utf-8', @parsed)
+      @utf_16be, = Iconv.iconv('utf-16be', 'utf-8', @utf_8)
+      @utf_16le, = Iconv.iconv('utf-16le', 'utf-8', @utf_8)
+      @utf_32be, = Iconv.iconv('utf-32be', 'utf-8', @utf_8)
+      @utf_32le, = Iconv.iconv('utf-32le', 'utf-8', @utf_8)
+    end
+  end
+
+  def test_parse
+    assert_equal @parsed, JSON.parse(@ascii_8bit)
+    assert_equal @parsed, JSON.parse(@utf_8)
+    assert_equal @parsed, JSON.parse(@utf_16be)
+    assert_equal @parsed, JSON.parse(@utf_16le)
+    assert_equal @parsed, JSON.parse(@utf_32be)
+    assert_equal @parsed, JSON.parse(@utf_32le)
+  end
+
+  def test_generate
+    assert_equal @generated, JSON.generate(@parsed, :ascii_only => true)
+    assert_equal @generated, JSON.generate(@utf_16_data, :ascii_only => true)
+  end
+
+  def test_unicode
+    assert_equal '""', ''.to_json
+    assert_equal '"\\b"', "\b".to_json
+    assert_equal '"\u0001"', 0x1.chr.to_json
+    assert_equal '"\u001f"', 0x1f.chr.to_json
+    assert_equal '" "', ' '.to_json
+    assert_equal "\"#{0x7f.chr}\"", 0x7f.chr.to_json
+    utf8 = [ "© ≠ €! \01" ]
+    json = '["© ≠ €! \u0001"]'
+    assert_equal json, utf8.to_json(:ascii_only => false)
+    assert_equal utf8, parse(json)
+    json = '["\u00a9 \u2260 \u20ac! \u0001"]'
+    assert_equal json, utf8.to_json(:ascii_only => true)
+    assert_equal utf8, parse(json)
+    utf8 = ["\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212"]
+    json = "[\"\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212\"]"
+    assert_equal utf8, parse(json)
+    assert_equal json, utf8.to_json(:ascii_only => false)
+    utf8 = ["\343\201\202\343\201\204\343\201\206\343\201\210\343\201\212"]
+    assert_equal utf8, parse(json)
+    json = "[\"\\u3042\\u3044\\u3046\\u3048\\u304a\"]"
+    assert_equal json, utf8.to_json(:ascii_only => true)
+    assert_equal utf8, parse(json)
+    utf8 = ['საქართველო']
+    json = '["საქართველო"]'
+    assert_equal json, utf8.to_json(:ascii_only => false)
+    json = "[\"\\u10e1\\u10d0\\u10e5\\u10d0\\u10e0\\u10d7\\u10d5\\u10d4\\u10da\\u10dd\"]"
+    assert_equal json, utf8.to_json(:ascii_only => true)
+    assert_equal utf8, parse(json)
+    assert_equal '["Ã"]', generate(["Ã"], :ascii_only => false)
+    assert_equal '["\\u00c3"]', generate(["Ã"], :ascii_only => true)
+    assert_equal ["€"], parse('["\u20ac"]')
+    utf8 = ["\xf0\xa0\x80\x81"]
+    json = "[\"\xf0\xa0\x80\x81\"]"
+    assert_equal json, generate(utf8, :ascii_only => false)
+    assert_equal utf8, parse(json)
+    json = '["\ud840\udc01"]'
+    assert_equal json, generate(utf8, :ascii_only => true)
+    assert_equal utf8, parse(json)
+  end
+
+  def test_chars
+    (0..0x7f).each do |i|
+      json = '["\u%04x"]' % i
+      if RUBY_VERSION >= "1.9."
+        i = i.chr
+      end
+      assert_equal i, parse(json).first[0]
+      if i == ?\b
+        generated = generate(["" << i])
+        assert '["\b"]' == generated || '["\10"]' == generated
+      elsif [?\n, ?\r, ?\t, ?\f].include?(i)
+        assert_equal '[' << ('' << i).dump << ']', generate(["" << i])
+      elsif i.chr < 0x20.chr
+        assert_equal json, generate(["" << i])
+      end
+    end
+    assert_raise(JSON::GeneratorError) do
+      generate(["\x80"], :ascii_only => true)
+    end
+    assert_equal "\302\200", parse('["\u0080"]').first
+  end
+end