Index: Lib/test/test_index.py
===================================================================
--- Lib/test/test_index.py	(revision 79486)
+++ Lib/test/test_index.py	(working copy)
@@ -39,6 +39,8 @@
         self.assertEqual(-7 .__index__(), -7)
         self.assertEqual(self.o.__index__(), 4)
         self.assertEqual(self.n.__index__(), 5)
+        self.assertEqual(True.__index__(), 1)
+        self.assertEqual(False.__index__(), 0)
 
     def test_subclasses(self):
         r = list(range(10))
Index: Lib/test/test_decimal.py
===================================================================
--- Lib/test/test_decimal.py	(revision 79486)
+++ Lib/test/test_decimal.py	(working copy)
@@ -472,6 +472,12 @@
         self.assertRaises(ValueError, Decimal, (1, (4, 10, 4, 9, 1), 2) )
         self.assertRaises(ValueError, Decimal, (1, (4, 3, 4, 'a', 1), 2) )
 
+    def test_explicit_from_bool(self):
+        self.assertIs(bool(Decimal(0)), False)
+        self.assertIs(bool(Decimal(1)), True)
+        self.assertEqual(Decimal(False), Decimal(0))
+        self.assertEqual(Decimal(True), Decimal(1))
+
     def test_explicit_from_Decimal(self):
 
         #positive
Index: Lib/test/test_bool.py
===================================================================
--- Lib/test/test_bool.py	(revision 79486)
+++ Lib/test/test_bool.py	(working copy)
@@ -44,6 +44,12 @@
         self.assertIsNot(int(False), False)
         self.assertEqual(int(True), 1)
         self.assertIsNot(int(True), True)
+    
+    def test_float(self):
+        self.assertEqual(float(False), 0.0)
+        self.assertIsNot(float(False), False)
+        self.assertEqual(float(True), 1.0)
+        self.assertIsNot(float(True), True)
 
     def test_math(self):
         self.assertEqual(+False, 0)
@@ -234,6 +240,11 @@
             self.assertIs(f.closed, True)
         finally:
             os.remove(support.TESTFN)
+    def test_types(self):
+        # types are always true.
+        for t in [bool, complex, dict, float, int, list, object,
+                  set, str, tuple, type]:
+            self.assertIs(bool(t), True)
 
     def test_operator(self):
         import operator