diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 2d15f3a..8449794 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -231,6 +231,29 @@
         self.ftest('tanh(0)', math.tanh(0), 0)
         self.ftest('tanh(1)+tanh(-1)', math.tanh(1)+math.tanh(-1), 0)
 
+    def testCopysign(self):
+        self.assertEqual(math.copysign(1, 42), 1.0)
+        self.assertEqual(math.copysign(0., 42), 0.0)
+        self.assertEqual(math.copysign(1., -42), -1.0)
+        self.assertEqual(math.copysign(3, 0.), 3.0)
+        self.assertEqual(math.copysign(4., -0.), -4.0)
+
+    def testIsnan(self):
+        self.assert_(math.isnan(float("nan")))
+        self.assert_(math.isnan(float("inf")* 0.))
+        self.failIf(math.isnan(float("inf")))
+        self.failIf(math.isnan(0.))
+        self.failIf(math.isnan(1.))
+
+    def testIsinf(self):
+        self.assert_(math.isinf(float("inf")))
+        self.assert_(math.isinf(float("-inf")))
+        self.assert_(math.isinf(1E400))
+        self.assert_(math.isinf(-1E400))
+        self.failIf(math.isinf(float("nan")))
+        self.failIf(math.isinf(0.))
+        self.failIf(math.isinf(1.))
+
     # RED_FLAG 16-Oct-2000 Tim
     # While 2.0 is more consistent about exceptions than previous releases, it
     # still fails this part of the test on some platforms.  For now, we only
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 88fecbf..75c016e 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -632,6 +632,36 @@
             self.assertEqual(re.compile("bla").match(a), None)
             self.assertEqual(re.compile("").match(a).groups(), ())
 
+    def test_inline_flags(self):
+        # Bug #1700
+        upper_char = unichr(0x1ea0) # Latin Capital Letter A with Dot Bellow
+        lower_char = unichr(0x1ea1) # Latin Small Letter A with Dot Bellow
+
+        p = re.compile(upper_char, re.I | re.U)
+        q = p.match(lower_char)
+        self.assertNotEqual(q, None)
+
+        p = re.compile(lower_char, re.I | re.U)
+        q = p.match(upper_char)
+        self.assertNotEqual(q, None)
+
+        p = re.compile('(?i)' + upper_char, re.U)
+        q = p.match(lower_char)
+        self.assertNotEqual(q, None)
+
+        p = re.compile('(?i)' + lower_char, re.U)
+        q = p.match(upper_char)
+        self.assertNotEqual(q, None)
+
+        p = re.compile('(?iu)' + upper_char)
+        q = p.match(lower_char)
+        self.assertNotEqual(q, None)
+
+        p = re.compile('(?iu)' + lower_char)
+        q = p.match(upper_char)
+        self.assertNotEqual(q, None)
+
+
 def run_re_tests():
     from test.re_tests import benchmarks, tests, SUCCEED, FAIL, SYNTAX_ERROR
     if verbose: