1 files changed, 24 insertions, 24 deletions
diff --git a/Lib/test/buffer_tests.py b/Lib/test/buffer_tests.py
index 58689cdb34..6d20f7d9e1 100644
--- a/Lib/test/buffer_tests.py
+++ b/Lib/test/buffer_tests.py
@@ -15,32 +15,32 @@ class MixinBytesBufferCommonTests(object):
 
     def test_islower(self):
         self.assertFalse(self.marshal(b'').islower())
-        self.assert_(self.marshal(b'a').islower())
+        self.assertTrue(self.marshal(b'a').islower())
         self.assertFalse(self.marshal(b'A').islower())
         self.assertFalse(self.marshal(b'\n').islower())
-        self.assert_(self.marshal(b'abc').islower())
+        self.assertTrue(self.marshal(b'abc').islower())
         self.assertFalse(self.marshal(b'aBc').islower())
-        self.assert_(self.marshal(b'abc\n').islower())
+        self.assertTrue(self.marshal(b'abc\n').islower())
         self.assertRaises(TypeError, self.marshal(b'abc').islower, 42)
 
     def test_isupper(self):
         self.assertFalse(self.marshal(b'').isupper())
         self.assertFalse(self.marshal(b'a').isupper())
-        self.assert_(self.marshal(b'A').isupper())
+        self.assertTrue(self.marshal(b'A').isupper())
         self.assertFalse(self.marshal(b'\n').isupper())
-        self.assert_(self.marshal(b'ABC').isupper())
+        self.assertTrue(self.marshal(b'ABC').isupper())
         self.assertFalse(self.marshal(b'AbC').isupper())
-        self.assert_(self.marshal(b'ABC\n').isupper())
+        self.assertTrue(self.marshal(b'ABC\n').isupper())
         self.assertRaises(TypeError, self.marshal(b'abc').isupper, 42)
 
     def test_istitle(self):
         self.assertFalse(self.marshal(b'').istitle())
         self.assertFalse(self.marshal(b'a').istitle())
-        self.assert_(self.marshal(b'A').istitle())
+        self.assertTrue(self.marshal(b'A').istitle())
         self.assertFalse(self.marshal(b'\n').istitle())
-        self.assert_(self.marshal(b'A Titlecased Line').istitle())
-        self.assert_(self.marshal(b'A\nTitlecased Line').istitle())
-        self.assert_(self.marshal(b'A Titlecased, Line').istitle())
+        self.assertTrue(self.marshal(b'A Titlecased Line').istitle())
+        self.assertTrue(self.marshal(b'A\nTitlecased Line').istitle())
+        self.assertTrue(self.marshal(b'A Titlecased, Line').istitle())
         self.assertFalse(self.marshal(b'Not a capitalized String').istitle())
         self.assertFalse(self.marshal(b'Not\ta Titlecase String').istitle())
         self.assertFalse(self.marshal(b'Not--a Titlecase String').istitle())
@@ -50,31 +50,31 @@ class MixinBytesBufferCommonTests(object):
     def test_isspace(self):
         self.assertFalse(self.marshal(b'').isspace())
         self.assertFalse(self.marshal(b'a').isspace())
-        self.assert_(self.marshal(b' ').isspace())
-        self.assert_(self.marshal(b'\t').isspace())
-        self.assert_(self.marshal(b'\r').isspace())
-        self.assert_(self.marshal(b'\n').isspace())
-        self.assert_(self.marshal(b' \t\r\n').isspace())
+        self.assertTrue(self.marshal(b' ').isspace())
+        self.assertTrue(self.marshal(b'\t').isspace())
+        self.assertTrue(self.marshal(b'\r').isspace())
+        self.assertTrue(self.marshal(b'\n').isspace())
+        self.assertTrue(self.marshal(b' \t\r\n').isspace())
         self.assertFalse(self.marshal(b' \t\r\na').isspace())
         self.assertRaises(TypeError, self.marshal(b'abc').isspace, 42)
 
     def test_isalpha(self):
         self.assertFalse(self.marshal(b'').isalpha())
-        self.assert_(self.marshal(b'a').isalpha())
-        self.assert_(self.marshal(b'A').isalpha())
+        self.assertTrue(self.marshal(b'a').isalpha())
+        self.assertTrue(self.marshal(b'A').isalpha())
         self.assertFalse(self.marshal(b'\n').isalpha())
-        self.assert_(self.marshal(b'abc').isalpha())
+        self.assertTrue(self.marshal(b'abc').isalpha())
         self.assertFalse(self.marshal(b'aBc123').isalpha())
         self.assertFalse(self.marshal(b'abc\n').isalpha())
         self.assertRaises(TypeError, self.marshal(b'abc').isalpha, 42)
 
     def test_isalnum(self):
         self.assertFalse(self.marshal(b'').isalnum())
-        self.assert_(self.marshal(b'a').isalnum())
-        self.assert_(self.marshal(b'A').isalnum())
+        self.assertTrue(self.marshal(b'a').isalnum())
+        self.assertTrue(self.marshal(b'A').isalnum())
         self.assertFalse(self.marshal(b'\n').isalnum())
-        self.assert_(self.marshal(b'123abc456').isalnum())
-        self.assert_(self.marshal(b'a1b3c').isalnum())
+        self.assertTrue(self.marshal(b'123abc456').isalnum())
+        self.assertTrue(self.marshal(b'a1b3c').isalnum())
         self.assertFalse(self.marshal(b'aBc000 ').isalnum())
         self.assertFalse(self.marshal(b'abc\n').isalnum())
         self.assertRaises(TypeError, self.marshal(b'abc').isalnum, 42)
@@ -82,8 +82,8 @@ class MixinBytesBufferCommonTests(object):
     def test_isdigit(self):
         self.assertFalse(self.marshal(b'').isdigit())
         self.assertFalse(self.marshal(b'a').isdigit())
-        self.assert_(self.marshal(b'0').isdigit())
-        self.assert_(self.marshal(b'0123456789').isdigit())
+        self.assertTrue(self.marshal(b'0').isdigit())
+        self.assertTrue(self.marshal(b'0123456789').isdigit())
         self.assertFalse(self.marshal(b'0123456789a').isdigit())
 
         self.assertRaises(TypeError, self.marshal(b'abc').isdigit, 42)