diff --git a/Lib/test/test_b1.py b/Lib/test/test_b1.py
index 249f1fa..3033667 100644
--- a/Lib/test/test_b1.py
+++ b/Lib/test/test_b1.py
@@ -438,17 +438,19 @@
 except:
     raise TestFailed, "int(%s)" % `s[1:]` + " should return long"
 try:
-    int(1e100)
+    x = int(1e100)
 except OverflowError:
-    pass
+    raise TestFailed("int(1e100) mustn't raise OverflowError")
 else:
-    raise TestFailed("int(1e100) expected OverflowError")
+    if not isinstance(x, long):
+        raise TestFailed("int(1e100) should have returned long")
 try:
-    int(-1e100)
+    x = int(-1e100)
 except OverflowError:
-    pass
+    raise TestFailed("int(-1e100) mustn't raise OverflowError")
 else:
-    raise TestFailed("int(-1e100) expected OverflowError")
+    if not isinstance(x, long):
+        raise TestFailed("int(-1e100) should have returned long")
 
 
 # SF bug 434186:  0x80000000/2 != 0x80000000>>1.
diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py
index 9319734..9cab2de 100644
--- a/Lib/test/test_long.py
+++ b/Lib/test/test_long.py
@@ -267,22 +267,26 @@
     # but long -> int should overflow for hugepos+1 and hugeneg-1
     x = hugepos_aslong + 1
     try:
-        int(x)
-        raise ValueError
+        y = int(x)
     except OverflowError:
-        pass
-    except:
-        raise TestFailed, "int(long(sys.maxint) + 1) didn't overflow"
+        raise TestFailed, "int(long(sys.maxint) + 1) mustn't overflow"
+    if not isinstance(y, long):
+        raise TestFailed("int(long(sys.maxint) + 1) should have returned long")
 
     x = hugeneg_aslong - 1
     try:
-        int(x)
-        raise ValueError
+        y = int(x)
     except OverflowError:
-        pass
-    except:
-        raise TestFailed, "int(long(-sys.maxint-1) - 1) didn't overflow"
+        raise TestFailed, "int(long(-sys.maxint-1) - 1) mustn't overflow"
+    if not isinstance(y, long):
+        raise TestFailed("int(long(-sys.maxint-1) - 1) should have returned long")
 
+    class long2(long):
+        pass
+    x = long2(1L<<100)
+    y = int(x)
+    if type(y) is not long:
+        raise TestFailed("overflowing int conversion must return long not long subtype")
 # ----------------------------------- tests of auto int->long conversion
 
 def test_auto_overflow():
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index d075d94..c20af2e 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -138,16 +138,16 @@
 if not -24L < -12L: raise TestFailed, 'long op'
 x = sys.maxint
 if int(long(x)) != x: raise TestFailed, 'long op'
-try: int(long(x)+1L)
-except OverflowError: pass
-else:raise TestFailed, 'long op'
+try: y = int(long(x)+1L)
+except OverflowError: raise TestFailed, 'long op'
+if not isinstance(y, long): raise TestFailed, 'long op'
 x = -x
 if int(long(x)) != x: raise TestFailed, 'long op'
 x = x-1
 if int(long(x)) != x: raise TestFailed, 'long op'
-try: int(long(x)-1L)
-except OverflowError: pass
-else:raise TestFailed, 'long op'
+try: y = int(long(x)-1L)
+except OverflowError: raise TestFailed, 'long op'
+if not isinstance(y, long): raise TestFailed, 'long op'
 
 try: 5 << -5
 except ValueError: pass