From 6bce74d590343ad39dc5b2beaeadfcfc2d201462 Mon Sep 17 00:00:00 2001
From: David Malcolm <dmalcolm@redhat.com>
Date: Sat, 27 Feb 2010 03:01:12 -0500
Subject: Add initial support for new-style classes

---
 test_gdb.py | 44 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 3 deletions(-)

(limited to 'test_gdb.py')

diff --git a/test_gdb.py b/test_gdb.py
index 82cef5d..a75a2b9 100644
--- a/test_gdb.py
+++ b/test_gdb.py
@@ -169,14 +169,53 @@ class DebuggerTests(unittest.TestCase):
         gdb_repr, gdb_output = self.get_gdb_repr('''
 class Foo:
     pass
-foo = Foo();
-foo.an_int = 42;
+foo = Foo()
+foo.an_int = 42
 print foo''')
         # FIXME: is there an "assertMatches"; should there be?
         m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr)
         self.assertTrue(m,
                         msg='Unexpected classic-class rendering %r' % gdb_repr)
 
+    def test_modern_class(self):
+        gdb_repr, gdb_output = self.get_gdb_repr('''
+class Foo(object):
+    pass
+foo = Foo()
+foo.an_int = 42
+print foo''')
+        # FIXME: is there an "assertMatches"; should there be?
+        m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr)
+        self.assertTrue(m,
+                        msg='Unexpected new-style class rendering %r' % gdb_repr)
+
+    def test_subclassing_list(self):
+        gdb_repr, gdb_output = self.get_gdb_repr('''
+class Foo(list):
+    pass
+foo = Foo()
+foo += [1, 2, 3]
+foo.an_int = 42
+print foo''')
+        # FIXME: is there an "assertMatches"; should there be?
+        m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr)
+        self.assertTrue(m,
+                        msg='Unexpected new-style class rendering %r' % gdb_repr)
+
+    def test_subclassing_tuple(self):
+        '''This should exercise the negative tp_dictoffset code in the
+        new-style class support'''
+        gdb_repr, gdb_output = self.get_gdb_repr('''
+class Foo(tuple):
+    pass
+foo = Foo((1, 2, 3))
+foo.an_int = 42
+print foo''')
+        # FIXME: is there an "assertMatches"; should there be?
+        m = re.match(r'<Foo\(an_int=42\) at remote 0x[0-9a-f]+>', gdb_repr)
+        self.assertTrue(m,
+                        msg='Unexpected new-style class rendering %r' % gdb_repr)
+
     def assertSane(self, source, corruption, exp_type='unknown'):
         '''Run Python under gdb, corrupting variables in the inferior process
         immediately before taking a backtrace.
@@ -214,7 +253,6 @@ print foo''')
                         'set op->ob_type->tp_name=0xDEADBEEF')
 
     # TODO:
-    #   new-style classes
     #   frames
 
 
-- 
cgit