initial
diff --git a/simplejson/tests/test_decode.py b/simplejson/tests/test_decode.py
new file mode 100644
index 0000000..a5a1c48
--- /dev/null
+++ b/simplejson/tests/test_decode.py
@@ -0,0 +1,73 @@
+import decimal
+from unittest import TestCase
+from StringIO import StringIO
+
+import simplejson as json
+from simplejson import OrderedDict
+
+class TestDecode(TestCase):
+    if not hasattr(TestCase, 'assertIs'):
+        def assertIs(self, a, b):
+            self.assertTrue(a is b, '%r is %r' % (a, b))
+
+    def test_decimal(self):
+        rval = json.loads('1.1', parse_float=decimal.Decimal)
+        self.assertTrue(isinstance(rval, decimal.Decimal))
+        self.assertEquals(rval, decimal.Decimal('1.1'))
+
+    def test_float(self):
+        rval = json.loads('1', parse_int=float)
+        self.assertTrue(isinstance(rval, float))
+        self.assertEquals(rval, 1.0)
+
+    def test_decoder_optimizations(self):
+        # Several optimizations were made that skip over calls to
+        # the whitespace regex, so this test is designed to try and
+        # exercise the uncommon cases. The array cases are already covered.
+        rval = json.loads('{   "key"    :    "value"    ,  "k":"v"    }')
+        self.assertEquals(rval, {"key":"value", "k":"v"})
+
+    def test_empty_objects(self):
+        s = '{}'
+        self.assertEqual(json.loads(s), eval(s))
+        s = '[]'
+        self.assertEqual(json.loads(s), eval(s))
+        s = '""'
+        self.assertEqual(json.loads(s), eval(s))
+
+    def test_object_pairs_hook(self):
+        s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
+        p = [("xkd", 1), ("kcw", 2), ("art", 3), ("hxm", 4),
+             ("qrt", 5), ("pad", 6), ("hoy", 7)]
+        self.assertEqual(json.loads(s), eval(s))
+        self.assertEqual(json.loads(s, object_pairs_hook=lambda x: x), p)
+        self.assertEqual(json.load(StringIO(s),
+                                   object_pairs_hook=lambda x: x), p)
+        od = json.loads(s, object_pairs_hook=OrderedDict)
+        self.assertEqual(od, OrderedDict(p))
+        self.assertEqual(type(od), OrderedDict)
+        # the object_pairs_hook takes priority over the object_hook
+        self.assertEqual(json.loads(s,
+                                    object_pairs_hook=OrderedDict,
+                                    object_hook=lambda x: None),
+                         OrderedDict(p))
+
+    def check_keys_reuse(self, source, loads):
+        rval = loads(source)
+        (a, b), (c, d) = sorted(rval[0]), sorted(rval[1])
+        self.assertIs(a, c)
+        self.assertIs(b, d)
+
+    def test_keys_reuse_str(self):
+        s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'.encode('utf8')
+        self.check_keys_reuse(s, json.loads)
+
+    def test_keys_reuse_unicode(self):
+        s = u'[{"a_key": 1, "b_\xe9": 2}, {"a_key": 3, "b_\xe9": 4}]'
+        self.check_keys_reuse(s, json.loads)
+
+    def test_empty_strings(self):
+        self.assertEqual(json.loads('""'), "")
+        self.assertEqual(json.loads(u'""'), u"")
+        self.assertEqual(json.loads('[""]'), [""])
+        self.assertEqual(json.loads(u'[""]'), [u""])