16 files changed, 624 insertions, 0 deletions
diff --git a/Lib/json/tests/__init__.py b/Lib/json/tests/__init__.py
new file mode 100644
index 0000000..a0797ea
--- /dev/null
+++ b/Lib/json/tests/__init__.py
@@ -0,0 +1,37 @@
+import os
+import sys
+import unittest
+import doctest
+
+here = os.path.dirname(__file__)
+
+def test_suite():
+    suite = additional_tests()
+    loader = unittest.TestLoader()
+    for fn in os.listdir(here):
+        if fn.startswith("test") and fn.endswith(".py"):
+            modname = "json.tests." + fn[:-3]
+            __import__(modname)
+            module = sys.modules[modname]
+            suite.addTests(loader.loadTestsFromModule(module))
+    return suite
+
+def additional_tests():
+    import json
+    import json.encoder
+    import json.decoder
+    suite = unittest.TestSuite()
+    for mod in (json, json.encoder, json.decoder):
+        suite.addTest(doctest.DocTestSuite(mod))
+    return suite
+
+def main():
+    suite = test_suite()
+    runner = unittest.TextTestRunner()
+    runner.run(suite)
+
+if __name__ == '__main__':
+    import os
+    import sys
+    sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+    main()
diff --git a/Lib/json/tests/test_decode.py b/Lib/json/tests/test_decode.py
new file mode 100644
index 0000000..609f622
--- /dev/null
+++ b/Lib/json/tests/test_decode.py
@@ -0,0 +1,15 @@
+import decimal
+from unittest import TestCase
+
+import json
+
+class TestDecode(TestCase):
+    def test_decimal(self):
+        rval = json.loads('1.1', parse_float=decimal.Decimal)
+        self.assert_(isinstance(rval, decimal.Decimal))
+        self.assertEquals(rval, decimal.Decimal('1.1'))
+
+    def test_float(self):
+        rval = json.loads('1', parse_int=float)
+        self.assert_(isinstance(rval, float))
+        self.assertEquals(rval, 1.0)
diff --git a/Lib/json/tests/test_default.py b/Lib/json/tests/test_default.py
new file mode 100644
index 0000000..49f05ad
--- /dev/null
+++ b/Lib/json/tests/test_default.py
@@ -0,0 +1,9 @@
+from unittest import TestCase
+
+import json
+
+class TestDefault(TestCase):
+    def test_default(self):
+        self.assertEquals(
+            json.dumps(type, default=repr),
+            json.dumps(repr(type)))
diff --git a/Lib/json/tests/test_dump.py b/Lib/json/tests/test_dump.py
new file mode 100644
index 0000000..d288c0d
--- /dev/null
+++ b/Lib/json/tests/test_dump.py
@@ -0,0 +1,13 @@
+from unittest import TestCase
+from cStringIO import StringIO
+
+import json
+
+class TestDump(TestCase):
+    def test_dump(self):
+        sio = StringIO()
+        json.dump({}, sio)
+        self.assertEquals(sio.getvalue(), '{}')
+
+    def test_dumps(self):
+        self.assertEquals(json.dumps({}), '{}')
diff --git a/Lib/json/tests/test_encode_basestring_ascii.py b/Lib/json/tests/test_encode_basestring_ascii.py
new file mode 100644
index 0000000..352423e
--- /dev/null
+++ b/Lib/json/tests/test_encode_basestring_ascii.py
@@ -0,0 +1,35 @@
+from unittest import TestCase
+
+import json.encoder
+
+CASES = [
+    (u'/\\"\ucafe\ubabe\uab98\ufcde\ubcda\uef4a\x08\x0c\n\r\t`1~!@#$%^&*()_+-=[]{}|;:\',./<>?', '"/\\\\\\"\\ucafe\\ubabe\\uab98\\ufcde\\ubcda\\uef4a\\b\\f\\n\\r\\t`1~!@#$%^&*()_+-=[]{}|;:\',./<>?"'),
+    (u'\u0123\u4567\u89ab\ucdef\uabcd\uef4a', '"\\u0123\\u4567\\u89ab\\ucdef\\uabcd\\uef4a"'),
+    (u'controls', '"controls"'),
+    (u'\x08\x0c\n\r\t', '"\\b\\f\\n\\r\\t"'),
+    (u'{"object with 1 member":["array with 1 element"]}', '"{\\"object with 1 member\\":[\\"array with 1 element\\"]}"'),
+    (u' s p a c e d ', '" s p a c e d "'),
+    (u'\U0001d120', '"\\ud834\\udd20"'),
+    (u'\u03b1\u03a9', '"\\u03b1\\u03a9"'),
+    ('\xce\xb1\xce\xa9', '"\\u03b1\\u03a9"'),
+    (u'\u03b1\u03a9', '"\\u03b1\\u03a9"'),
+    ('\xce\xb1\xce\xa9', '"\\u03b1\\u03a9"'),
+    (u'\u03b1\u03a9', '"\\u03b1\\u03a9"'),
+    (u'\u03b1\u03a9', '"\\u03b1\\u03a9"'),
+    (u"`1~!@#$%^&*()_+-={':[,]}|;.</>?", '"`1~!@#$%^&*()_+-={\':[,]}|;.</>?"'),
+    (u'\x08\x0c\n\r\t', '"\\b\\f\\n\\r\\t"'),
+    (u'\u0123\u4567\u89ab\ucdef\uabcd\uef4a', '"\\u0123\\u4567\\u89ab\\ucdef\\uabcd\\uef4a"'),
+]
+
+class TestEncodeBaseStringAscii(TestCase):
+    def test_py_encode_basestring_ascii(self):
+        self._test_encode_basestring_ascii(json.encoder.py_encode_basestring_ascii)
+
+    def test_c_encode_basestring_ascii(self):
+        self._test_encode_basestring_ascii(json.encoder.c_encode_basestring_ascii)
+
+    def _test_encode_basestring_ascii(self, encode_basestring_ascii):
+        fname = encode_basestring_ascii.__name__
+        for input_string, expect in CASES:
+            result = encode_basestring_ascii(input_string)
+            self.assertEquals(result, expect)
diff --git a/Lib/json/tests/test_fail.py b/Lib/json/tests/test_fail.py
new file mode 100644
index 0000000..ee31bfa
--- /dev/null
+++ b/Lib/json/tests/test_fail.py
@@ -0,0 +1,76 @@
+from unittest import TestCase
+
+import json
+
+# Fri Dec 30 18:57:26 2005
+JSONDOCS = [
+    # http://json.org/JSON_checker/test/fail1.json
+    '"A JSON payload should be an object or array, not a string."',
+    # http://json.org/JSON_checker/test/fail2.json
+    '["Unclosed array"',
+    # http://json.org/JSON_checker/test/fail3.json
+    '{unquoted_key: "keys must be quoted}',
+    # http://json.org/JSON_checker/test/fail4.json
+    '["extra comma",]',
+    # http://json.org/JSON_checker/test/fail5.json
+    '["double extra comma",,]',
+    # http://json.org/JSON_checker/test/fail6.json
+    '[   , "<-- missing value"]',
+    # http://json.org/JSON_checker/test/fail7.json
+    '["Comma after the close"],',
+    # http://json.org/JSON_checker/test/fail8.json
+    '["Extra close"]]',
+    # http://json.org/JSON_checker/test/fail9.json
+    '{"Extra comma": true,}',
+    # http://json.org/JSON_checker/test/fail10.json
+    '{"Extra value after close": true} "misplaced quoted value"',
+    # http://json.org/JSON_checker/test/fail11.json
+    '{"Illegal expression": 1 + 2}',
+    # http://json.org/JSON_checker/test/fail12.json
+    '{"Illegal invocation": alert()}',
+    # http://json.org/JSON_checker/test/fail13.json
+    '{"Numbers cannot have leading zeroes": 013}',
+    # http://json.org/JSON_checker/test/fail14.json
+    '{"Numbers cannot be hex": 0x14}',
+    # http://json.org/JSON_checker/test/fail15.json
+    '["Illegal backslash escape: \\x15"]',
+    # http://json.org/JSON_checker/test/fail16.json
+    '["Illegal backslash escape: \\\'"]',
+    # http://json.org/JSON_checker/test/fail17.json
+    '["Illegal backslash escape: \\017"]',
+    # http://json.org/JSON_checker/test/fail18.json
+    '[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]',
+    # http://json.org/JSON_checker/test/fail19.json
+    '{"Missing colon" null}',
+    # http://json.org/JSON_checker/test/fail20.json
+    '{"Double colon":: null}',
+    # http://json.org/JSON_checker/test/fail21.json
+    '{"Comma instead of colon", null}',
+    # http://json.org/JSON_checker/test/fail22.json
+    '["Colon instead of comma": false]',
+    # http://json.org/JSON_checker/test/fail23.json
+    '["Bad value", truth]',
+    # http://json.org/JSON_checker/test/fail24.json
+    "['single quote']",
+    # http://code.google.com/p/simplejson/issues/detail?id=3
+    u'["A\u001FZ control characters in string"]',
+]
+
+SKIPS = {
+    1: "why not have a string payload?",
+    18: "spec doesn't specify any nesting limitations",
+}
+
+class TestFail(TestCase):
+    def test_failures(self):
+        for idx, doc in enumerate(JSONDOCS):
+            idx = idx + 1
+            if idx in SKIPS:
+                json.loads(doc)
+                continue
+            try:
+                json.loads(doc)
+            except ValueError:
+                pass
+            else:
+                self.fail("Expected failure for fail%d.json: %r" % (idx, doc))
diff --git a/Lib/json/tests/test_float.py b/Lib/json/tests/test_float.py
new file mode 100644
index 0000000..9df6d1ee
--- /dev/null
+++ b/Lib/json/tests/test_float.py
@@ -0,0 +1,9 @@
+import math
+from unittest import TestCase
+
+import json
+
+class TestFloat(TestCase):
+    def test_floats(self):
+        for num in [1617161771.7650001, math.pi, math.pi**100, math.pi**-100]:
+            self.assertEquals(float(json.dumps(num)), num)
diff --git a/Lib/json/tests/test_indent.py b/Lib/json/tests/test_indent.py
new file mode 100644
index 0000000..6055162
--- /dev/null
+++ b/Lib/json/tests/test_indent.py
@@ -0,0 +1,41 @@
+from unittest import TestCase
+
+import json
+import textwrap
+
+class TestIndent(TestCase):
+    def test_indent(self):
+        h = [['blorpie'], ['whoops'], [], 'd-shtaeou', 'd-nthiouh', 'i-vhbjkhnth',
+             {'nifty': 87}, {'field': 'yes', 'morefield': False} ]
+
+        expect = textwrap.dedent("""\
+        [
+          [
+            "blorpie"
+          ],
+          [
+            "whoops"
+          ],
+          [],
+          "d-shtaeou",
+          "d-nthiouh",
+          "i-vhbjkhnth",
+          {
+            "nifty": 87
+          },
+          {
+            "field": "yes",
+            "morefield": false
+          }
+        ]""")
+
+
+        d1 = json.dumps(h)
+        d2 = json.dumps(h, indent=2, sort_keys=True, separators=(',', ': '))
+
+        h1 = json.loads(d1)
+        h2 = json.loads(d2)
+
+        self.assertEquals(h1, h)
+        self.assertEquals(h2, h)
+        self.assertEquals(d2, expect)
diff --git a/Lib/json/tests/test_pass1.py b/Lib/json/tests/test_pass1.py
new file mode 100644
index 0000000..216e252
--- /dev/null
+++ b/Lib/json/tests/test_pass1.py
@@ -0,0 +1,76 @@
+from unittest import TestCase
+
+import json
+
+# from http://json.org/JSON_checker/test/pass1.json
+JSON = r'''
+[
+    "JSON Test Pattern pass1",
+    {"object with 1 member":["array with 1 element"]},
+    {},
+    [],
+    -42,
+    true,
+    false,
+    null,
+    {
+        "integer": 1234567890,
+        "real": -9876.543210,
+        "e": 0.123456789e-12,
+        "E": 1.234567890E+34,
+        "":  23456789012E666,
+        "zero": 0,
+        "one": 1,
+        "space": " ",
+        "quote": "\"",
+        "backslash": "\\",
+        "controls": "\b\f\n\r\t",
+        "slash": "/ & \/",
+        "alpha": "abcdefghijklmnopqrstuvwyz",
+        "ALPHA": "ABCDEFGHIJKLMNOPQRSTUVWYZ",
+        "digit": "0123456789",
+        "special": "`1~!@#$%^&*()_+-={':[,]}|;.</>?",
+        "hex": "\u0123\u4567\u89AB\uCDEF\uabcd\uef4A",
+        "true": true,
+        "false": false,
+        "null": null,
+        "array":[  ],
+        "object":{  },
+        "address": "50 St. James Street",
+        "url": "http://www.JSON.org/",
+        "comment": "// /* <!-- --",
+        "# -- --> */": " ",
+        " s p a c e d " :[1,2 , 3
+
+,
+
+4 , 5        ,          6           ,7        ],
+        "compact": [1,2,3,4,5,6,7],
+        "jsontext": "{\"object with 1 member\":[\"array with 1 element\"]}",
+        "quotes": "&#34; \u0022 %22 0x22 034 &#x22;",
+        "\/\\\"\uCAFE\uBABE\uAB98\uFCDE\ubcda\uef4A\b\f\n\r\t`1~!@#$%^&*()_+-=[]{}|;:',./<>?"
+: "A key can be any string"
+    },
+    0.5 ,98.6
+,
+99.44
+,
+
+1066
+
+
+,"rosebud"]
+'''
+
+class TestPass1(TestCase):
+    def test_parse(self):
+        # test in/out equivalence and parsing
+        res = json.loads(JSON)
+        out = json.dumps(res)
+        self.assertEquals(res, json.loads(out))
+        try:
+            json.dumps(res, allow_nan=False)
+        except ValueError:
+            pass
+        else:
+            self.fail("23456789012E666 should be out of range")
diff --git a/Lib/json/tests/test_pass2.py b/Lib/json/tests/test_pass2.py
new file mode 100644
index 0000000..80d8433
--- /dev/null
+++ b/Lib/json/tests/test_pass2.py
@@ -0,0 +1,14 @@
+from unittest import TestCase
+import json
+
+# from http://json.org/JSON_checker/test/pass2.json
+JSON = r'''
+[[[[[[[[[[[[[[[[[[["Not too deep"]]]]]]]]]]]]]]]]]]]
+'''
+
+class TestPass2(TestCase):
+    def test_parse(self):
+        # test in/out equivalence and parsing
+        res = json.loads(JSON)
+        out = json.dumps(res)
+        self.assertEquals(res, json.loads(out))
diff --git a/Lib/json/tests/test_pass3.py b/Lib/json/tests/test_pass3.py
new file mode 100644
index 0000000..77d87b2
--- /dev/null
+++ b/Lib/json/tests/test_pass3.py
@@ -0,0 +1,20 @@
+from unittest import TestCase
+
+import json
+
+# from http://json.org/JSON_checker/test/pass3.json
+JSON = r'''
+{
+    "JSON Test Pattern pass3": {
+        "The outermost value": "must be an object or array.",
+        "In this test": "It is an object."
+    }
+}
+'''
+
+class TestPass3(TestCase):
+    def test_parse(self):
+        # test in/out equivalence and parsing
+        res = json.loads(JSON)
+        out = json.dumps(res)
+        self.assertEquals(res, json.loads(out))
diff --git a/Lib/json/tests/test_recursion.py b/Lib/json/tests/test_recursion.py
new file mode 100644
index 0000000..b82a373
--- /dev/null
+++ b/Lib/json/tests/test_recursion.py
@@ -0,0 +1,65 @@
+from unittest import TestCase
+
+import json
+
+class JSONTestObject:
+    pass
+
+class RecursiveJSONEncoder(json.JSONEncoder):
+    recurse = False
+    def default(self, o):
+        if o is JSONTestObject:
+            if self.recurse:
+                return [JSONTestObject]
+            else:
+                return 'JSONTestObject'
+        return json.JSONEncoder.default(o)
+
+class TestRecursion(TestCase):
+    def test_listrecursion(self):
+        x = []
+        x.append(x)
+        try:
+            json.dumps(x)
+        except ValueError:
+            pass
+        else:
+            self.fail("didn't raise ValueError on list recursion")
+        x = []
+        y = [x]
+        x.append(y)
+        try:
+            json.dumps(x)
+        except ValueError:
+            pass
+        else:
+            self.fail("didn't raise ValueError on alternating list recursion")
+        y = []
+        x = [y, y]
+        # ensure that the marker is cleared
+        json.dumps(x)
+
+    def test_dictrecursion(self):
+        x = {}
+        x["test"] = x
+        try:
+            json.dumps(x)
+        except ValueError:
+            pass
+        else:
+            self.fail("didn't raise ValueError on dict recursion")
+        x = {}
+        y = {"a": x, "b": x}
+        # ensure that the marker is cleared
+        json.dumps(x)
+
+    def test_defaultrecursion(self):
+        enc = RecursiveJSONEncoder()
+        self.assertEquals(enc.encode(JSONTestObject), '"JSONTestObject"')
+        enc.recurse = True
+        try:
+            enc.encode(JSONTestObject)
+        except ValueError:
+            pass
+        else:
+            self.fail("didn't raise ValueError on default recursion")
diff --git a/Lib/json/tests/test_scanstring.py b/Lib/json/tests/test_scanstring.py
new file mode 100644
index 0000000..87051bb
--- /dev/null
+++ b/Lib/json/tests/test_scanstring.py
@@ -0,0 +1,102 @@
+import sys
+import decimal
+from unittest import TestCase
+
+import json.decoder
+
+class TestScanString(TestCase):
+    def test_py_scanstring(self):
+        self._test_scanstring(json.decoder.py_scanstring)
+
+    def test_c_scanstring(self):
+        self._test_scanstring(json.decoder.c_scanstring)
+
+    def _test_scanstring(self, scanstring):
+        self.assertEquals(
+            scanstring('"z\\ud834\\udd20x"', 1, None, True),
+            (u'z\U0001d120x', 16))
+
+        if sys.maxunicode == 65535:
+            self.assertEquals(
+                scanstring(u'"z\U0001d120x"', 1, None, True),
+                (u'z\U0001d120x', 6))
+        else:
+            self.assertEquals(
+                scanstring(u'"z\U0001d120x"', 1, None, True),
+                (u'z\U0001d120x', 5))
+
+        self.assertEquals(
+            scanstring('"\\u007b"', 1, None, True),
+            (u'{', 8))
+
+        self.assertEquals(
+            scanstring('"A JSON payload should be an object or array, not a string."', 1, None, True),
+            (u'A JSON payload should be an object or array, not a string.', 60))
+
+        self.assertEquals(
+            scanstring('["Unclosed array"', 2, None, True),
+            (u'Unclosed array', 17))
+
+        self.assertEquals(
+            scanstring('["extra comma",]', 2, None, True),
+            (u'extra comma', 14))
+
+        self.assertEquals(
+            scanstring('["double extra comma",,]', 2, None, True),
+            (u'double extra comma', 21))
+
+        self.assertEquals(
+            scanstring('["Comma after the close"],', 2, None, True),
+            (u'Comma after the close', 24))
+
+        self.assertEquals(
+            scanstring('["Extra close"]]', 2, None, True),
+            (u'Extra close', 14))
+
+        self.assertEquals(
+            scanstring('{"Extra comma": true,}', 2, None, True),
+            (u'Extra comma', 14))
+
+        self.assertEquals(
+            scanstring('{"Extra value after close": true} "misplaced quoted value"', 2, None, True),
+            (u'Extra value after close', 26))
+
+        self.assertEquals(
+            scanstring('{"Illegal expression": 1 + 2}', 2, None, True),
+            (u'Illegal expression', 21))
+
+        self.assertEquals(
+            scanstring('{"Illegal invocation": alert()}', 2, None, True),
+            (u'Illegal invocation', 21))
+
+        self.assertEquals(
+            scanstring('{"Numbers cannot have leading zeroes": 013}', 2, None, True),
+            (u'Numbers cannot have leading zeroes', 37))
+
+        self.assertEquals(
+            scanstring('{"Numbers cannot be hex": 0x14}', 2, None, True),
+            (u'Numbers cannot be hex', 24))
+
+        self.assertEquals(
+            scanstring('[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]', 21, None, True),
+            (u'Too deep', 30))
+
+        self.assertEquals(
+            scanstring('{"Missing colon" null}', 2, None, True),
+            (u'Missing colon', 16))
+
+        self.assertEquals(
+            scanstring('{"Double colon":: null}', 2, None, True),
+            (u'Double colon', 15))
+
+        self.assertEquals(
+            scanstring('{"Comma instead of colon", null}', 2, None, True),
+            (u'Comma instead of colon', 25))
+
+        self.assertEquals(
+            scanstring('["Colon instead of comma": false]', 2, None, True),
+            (u'Colon instead of comma', 25))
+
+        self.assertEquals(
+            scanstring('["Bad value", truth]', 2, None, True),
+            (u'Bad value', 12))
diff --git a/Lib/json/tests/test_separators.py b/Lib/json/tests/test_separators.py
new file mode 100644
index 0000000..32db341
--- /dev/null
+++ b/Lib/json/tests/test_separators.py
@@ -0,0 +1,42 @@
+import textwrap
+from unittest import TestCase
+
+import json
+
+
+class TestSeparators(TestCase):
+    def test_separators(self):
+        h = [['blorpie'], ['whoops'], [], 'd-shtaeou', 'd-nthiouh', 'i-vhbjkhnth',
+             {'nifty': 87}, {'field': 'yes', 'morefield': False} ]
+
+        expect = textwrap.dedent("""\
+        [
+          [
+            "blorpie"
+          ] ,
+          [
+            "whoops"
+          ] ,
+          [] ,
+          "d-shtaeou" ,
+          "d-nthiouh" ,
+          "i-vhbjkhnth" ,
+          {
+            "nifty" : 87
+          } ,
+          {
+            "field" : "yes" ,
+            "morefield" : false
+          }
+        ]""")
+
+
+        d1 = json.dumps(h)
+        d2 = json.dumps(h, indent=2, sort_keys=True, separators=(' ,', ' : '))
+
+        h1 = json.loads(d1)
+        h2 = json.loads(d2)
+
+        self.assertEquals(h1, h)
+        self.assertEquals(h2, h)
+        self.assertEquals(d2, expect)
diff --git a/Lib/json/tests/test_speedups.py b/Lib/json/tests/test_speedups.py
new file mode 100644
index 0000000..8ff9a38
--- /dev/null
+++ b/Lib/json/tests/test_speedups.py
@@ -0,0 +1,15 @@
+import decimal
+from unittest import TestCase
+
+from json import decoder
+from json import encoder
+
+class TestSpeedups(TestCase):
+    def test_scanstring(self):
+        self.assertEquals(decoder.scanstring.__module__, "_json")
+        self.assert_(decoder.scanstring is decoder.c_scanstring)
+
+    def test_encode_basestring_ascii(self):
+        self.assertEquals(encoder.encode_basestring_ascii.__module__, "_json")
+        self.assert_(encoder.encode_basestring_ascii is
+                          encoder.c_encode_basestring_ascii)
diff --git a/Lib/json/tests/test_unicode.py b/Lib/json/tests/test_unicode.py
new file mode 100644
index 0000000..3ac4541
--- /dev/null
+++ b/Lib/json/tests/test_unicode.py
@@ -0,0 +1,55 @@
+from unittest import TestCase
+
+import json
+
+class TestUnicode(TestCase):
+    def test_encoding1(self):
+        encoder = json.JSONEncoder(encoding='utf-8')
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        s = u.encode('utf-8')
+        ju = encoder.encode(u)
+        js = encoder.encode(s)
+        self.assertEquals(ju, js)
+
+    def test_encoding2(self):
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        s = u.encode('utf-8')
+        ju = json.dumps(u, encoding='utf-8')
+        js = json.dumps(s, encoding='utf-8')
+        self.assertEquals(ju, js)
+
+    def test_encoding3(self):
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        j = json.dumps(u)
+        self.assertEquals(j, '"\\u03b1\\u03a9"')
+
+    def test_encoding4(self):
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        j = json.dumps([u])
+        self.assertEquals(j, '["\\u03b1\\u03a9"]')
+
+    def test_encoding5(self):
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        j = json.dumps(u, ensure_ascii=False)
+        self.assertEquals(j, u'"{0}"'.format(u))
+
+    def test_encoding6(self):
+        u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
+        j = json.dumps([u], ensure_ascii=False)
+        self.assertEquals(j, u'["{0}"]'.format(u))
+
+    def test_big_unicode_encode(self):
+        u = u'\U0001d120'
+        self.assertEquals(json.dumps(u), '"\\ud834\\udd20"')
+        self.assertEquals(json.dumps(u, ensure_ascii=False), u'"\U0001d120"')
+
+    def test_big_unicode_decode(self):
+        u = u'z\U0001d120x'
+        self.assertEquals(json.loads('"' + u + '"'), u)
+        self.assertEquals(json.loads('"z\\ud834\\udd20x"'), u)
+
+    def test_unicode_decode(self):
+        for i in range(0, 0xd7ff):
+            u = unichr(i)
+            js = '"\\u{0:04x}"'.format(i)
+            self.assertEquals(json.loads(js), u)