Add two new functions, any() and all().

Lib/test/test_builtin.py

@@ -92,6 +92,14 @@ if have_unicode:
         (unichr(0x200), ValueError),
 ]
 
+class TestFailingBool:
+    def __nonzero__(self):
+        raise RuntimeError
+
+class TestFailingIter:
+    def __iter__(self):
+        raise RuntimeError
+
 class BuiltinTest(unittest.TestCase):
 
     def test_import(self):
@@ -117,6 +125,34 @@ class BuiltinTest(unittest.TestCase):
         # str
         self.assertRaises(TypeError, abs, 'a')
 
+    def test_all(self):
+        self.assertEqual(all([2, 4, 6]), True)
+        self.assertEqual(all([2, None, 6]), False)
+        self.assertRaises(RuntimeError, all, [2, TestFailingBool(), 6])
+        self.assertRaises(RuntimeError, all, TestFailingIter())
+        self.assertRaises(TypeError, all, 10)               # Non-iterable
+        self.assertRaises(TypeError, all)                   # No args
+        self.assertRaises(TypeError, all, [2, 4, 6], [])    # Too many args
+        self.assertEqual(all([]), True)                     # Empty iterator
+        S = [50, 60]
+        self.assertEqual(all(x > 42 for x in S), True)
+        S = [50, 40, 60]
+        self.assertEqual(all(x > 42 for x in S), False)
+
+    def test_any(self):
+        self.assertEqual(any([None, None, None]), False)
+        self.assertEqual(any([None, 4, None]), True)
+        self.assertRaises(RuntimeError, any, [None, TestFailingBool(), 6])
+        self.assertRaises(RuntimeError, all, TestFailingIter())
+        self.assertRaises(TypeError, any, 10)               # Non-iterable
+        self.assertRaises(TypeError, any)                   # No args
+        self.assertRaises(TypeError, any, [2, 4, 6], [])    # Too many args
+        self.assertEqual(any([]), False)                    # Empty iterator
+        S = [40, 60, 30]
+        self.assertEqual(any(x > 42 for x in S), True)
+        S = [10, 20, 30]
+        self.assertEqual(any(x > 42 for x in S), False)
+
     def test_apply(self):
         def f0(*args):
             self.assertEqual(args, ())