From c1d73270717f30498f8f4d55d6695509107c2834 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Mon, 26 Apr 2010 19:32:23 -0700
Subject: JSON: encode objects that don't have a native JSON representation
 using to_hash, if available, instead of instance_values (the old fallback) or
 to_s (other encoders' default). Encode BigDecimal and Regexp encode as
 strings to conform with other encoders. Try to transcode non-UTF-8 strings.

---
 activesupport/test/json/encoding_test.rb | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'activesupport/test/json')

diff --git a/activesupport/test/json/encoding_test.rb b/activesupport/test/json/encoding_test.rb
index 188b799f3f..ff95c0ca18 100644
--- a/activesupport/test/json/encoding_test.rb
+++ b/activesupport/test/json/encoding_test.rb
@@ -9,6 +9,12 @@ class TestJSONEncoding < Test::Unit::TestCase
     end
   end
 
+  class Hashlike
+    def to_hash
+      { :a => 1 }
+    end
+  end
+
   class Custom
     def as_json(options)
       'custom'
@@ -19,7 +25,8 @@ class TestJSONEncoding < Test::Unit::TestCase
   FalseTests    = [[ false, %(false) ]]
   NilTests      = [[ nil,   %(null)  ]]
   NumericTests  = [[ 1,     %(1)     ],
-                   [ 2.5,   %(2.5)   ]]
+                   [ 2.5,   %(2.5)   ],
+                   [ BigDecimal('2.5'), %("#{BigDecimal('2.5').to_s}") ]]
 
   StringTests   = [[ 'this is the <string>',     %("this is the \\u003Cstring\\u003E")],
                    [ 'a "string" with quotes & an ampersand', %("a \\"string\\" with quotes \\u0026 an ampersand") ],
@@ -35,11 +42,12 @@ class TestJSONEncoding < Test::Unit::TestCase
                    [ :"a b", %("a b")  ]]
 
   ObjectTests   = [[ Foo.new(1, 2), %({\"a\":1,\"b\":2}) ]]
+  HashlikeTests = [[ Hashlike.new, %({\"a\":1}) ]]
   CustomTests   = [[ Custom.new, '"custom"' ]]
 
   VariableTests = [[ ActiveSupport::JSON::Variable.new('foo'), 'foo'],
                    [ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
-  RegexpTests   = [[ /^a/, '/^a/' ], [/^\w{1,2}[a-z]+/ix, '/^\\w{1,2}[a-z]+/ix']]
+  RegexpTests   = [[ /^a/, '"(?-mix:^a)"' ], [/^\w{1,2}[a-z]+/ix, '"(?ix-m:^\\\\w{1,2}[a-z]+)"']]
 
   DateTests     = [[ Date.new(2005,2,1), %("2005/02/01") ]]
   TimeTests     = [[ Time.utc(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
@@ -91,6 +99,15 @@ class TestJSONEncoding < Test::Unit::TestCase
     end
   end
 
+  if '1.9'.respond_to?(:force_encoding)
+    def test_non_utf8_string_transcodes
+      s = '二'.encode('Shift_JIS')
+      result = ActiveSupport::JSON.encode(s)
+      assert_equal '"\\u4e8c"', result
+      assert_equal Encoding::UTF_8, result.encoding
+    end
+  end
+
   def test_exception_raised_when_encoding_circular_reference
     a = [1]
     a << a
-- 
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