commit b0f5adc3f4e098b1744eeac65fc830fb1df2b8ab
author Ezio Melotti <ezio.melotti@gmail.com> Sun Jan 24 16:58:36 2010 +0000
committer Ezio Melotti <ezio.melotti@gmail.com> Sun Jan 24 16:58:36 2010 +0000
tree e2936db9f8e1194464aeb7e9546d5a892f7239c7
parent f14c7fc33da8ba3aa28bbb7b0305ea12ab30be09

use assert[Not]IsInstance where appropriate

Lib/test/test_io.py

diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index a90dd50..6f136f2 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -2361,27 +2361,27 @@
 
     def test_abcs(self):
         # Test the visible base classes are ABCs.
-        self.assertTrue(isinstance(self.IOBase, abc.ABCMeta))
-        self.assertTrue(isinstance(self.RawIOBase, abc.ABCMeta))
-        self.assertTrue(isinstance(self.BufferedIOBase, abc.ABCMeta))
-        self.assertTrue(isinstance(self.TextIOBase, abc.ABCMeta))
+        self.assertIsInstance(self.IOBase, abc.ABCMeta)
+        self.assertIsInstance(self.RawIOBase, abc.ABCMeta)
+        self.assertIsInstance(self.BufferedIOBase, abc.ABCMeta)
+        self.assertIsInstance(self.TextIOBase, abc.ABCMeta)
 
     def _check_abc_inheritance(self, abcmodule):
         with self.open(support.TESTFN, "wb", buffering=0) as f:
-            self.assertTrue(isinstance(f, abcmodule.IOBase))
-            self.assertTrue(isinstance(f, abcmodule.RawIOBase))
-            self.assertFalse(isinstance(f, abcmodule.BufferedIOBase))
-            self.assertFalse(isinstance(f, abcmodule.TextIOBase))
+            self.assertIsInstance(f, abcmodule.IOBase)
+            self.assertIsInstance(f, abcmodule.RawIOBase)
+            self.assertNotIsInstance(f, abcmodule.BufferedIOBase)
+            self.assertNotIsInstance(f, abcmodule.TextIOBase)
         with self.open(support.TESTFN, "wb") as f:
-            self.assertTrue(isinstance(f, abcmodule.IOBase))
-            self.assertFalse(isinstance(f, abcmodule.RawIOBase))
-            self.assertTrue(isinstance(f, abcmodule.BufferedIOBase))
-            self.assertFalse(isinstance(f, abcmodule.TextIOBase))
+            self.assertIsInstance(f, abcmodule.IOBase)
+            self.assertNotIsInstance(f, abcmodule.RawIOBase)
+            self.assertIsInstance(f, abcmodule.BufferedIOBase)
+            self.assertNotIsInstance(f, abcmodule.TextIOBase)
         with self.open(support.TESTFN, "w") as f:
-            self.assertTrue(isinstance(f, abcmodule.IOBase))
-            self.assertFalse(isinstance(f, abcmodule.RawIOBase))
-            self.assertFalse(isinstance(f, abcmodule.BufferedIOBase))
-            self.assertTrue(isinstance(f, abcmodule.TextIOBase))
+            self.assertIsInstance(f, abcmodule.IOBase)
+            self.assertNotIsInstance(f, abcmodule.RawIOBase)
+            self.assertNotIsInstance(f, abcmodule.BufferedIOBase)
+            self.assertIsInstance(f, abcmodule.TextIOBase)
 
     def test_abc_inheritance(self):
         # Test implementations inherit from their respective ABCs