[pypy-commit] pypy reverse-debugger: Add test file (not working at all so far)

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: reverse-debugger
Changeset: r86931:6b424d821c6c
Date: 2016-09-07 15:50 +0200
http://bitbucket.org/pypy/pypy/changeset/6b424d821c6c/

Log:	Add test file (not working at all so far)

diff --git a/rpython/translator/revdb/test/test_rawrefcount.py b/rpython/translator/revdb/test/test_rawrefcount.py
new file mode 100644
--- /dev/null
+++ b/rpython/translator/revdb/test/test_rawrefcount.py
@@ -0,0 +1,61 @@
+from rpython.rlib import objectmodel, rgc, revdb
+from rpython.rtyper.lltypesystem import lltype
+from rpython.translator.revdb.test.test_basic import InteractiveTests
+from rpython.translator.revdb.test.test_basic import compile, fetch_rdb, run
+from rpython.translator.revdb.message import *
+
+from rpython.rlib import rawrefcount
+
+
+class TestRawRefcount(InteractiveTests):
+    expected_stop_points = 27
+
+    def setup_class(cls):
+        class W_Root(object):
+            def __init__(self, n):
+                self.n = n
+        PyObjectS = lltype.Struct('PyObjectS',
+                                  ('c_ob_refcnt', lltype.Signed),
+                                  ('c_ob_pypy_link', lltype.Signed))
+        PyObject = lltype.Ptr(PyObjectS)
+        w1 = W_Root(-42)
+        ob1 = lltype.malloc(PyObjectS, flavor='raw', zero=True,
+                            immortal=True)
+        ob1.c_ob_refcnt = rawrefcount.REFCNT_FROM_PYPY
+
+        def main(argv):
+            rawrefcount.create_link_pypy(w1, ob1)
+            w = None
+            ob = lltype.nullptr(PyObjectS)
+            oblist = []
+            for op in argv[1:]:
+                revdb.stop_point()
+                w = W_Root(42)
+                ob = lltype.malloc(PyObjectS, flavor='raw', zero=True)
+                ob.c_ob_refcnt = rawrefcount.REFCNT_FROM_PYPY
+                rawrefcount.create_link_pypy(w, ob)
+                oblist.append(ob)
+            del oblist[-1]
+            #
+            rgc.collect()
+            assert rawrefcount.from_obj(PyObject, w) == ob
+            assert rawrefcount.to_obj(W_Root, ob) == w
+            while True:
+                ob = rawrefcount.next_dead(PyObject)
+                if not ob:
+                    break
+                assert ob in oblist
+                oblist.remove(ob)
+            objectmodel.keepalive_until_here(w)
+            revdb.stop_point()
+            return 9
+        compile(cls, main, backendopt=False)
+        ARGS26 = 'a b c d e f g h i j k l m n o p q r s t u v w x y z'
+        run(cls, ARGS26)
+        rdb = fetch_rdb(cls, [cls.exename] + ARGS26.split())
+        assert rdb.number_of_stop_points() == cls.expected_stop_points
+
+    def test_go(self):
+        child = self.replay()
+        child.send(Message(CMD_FORWARD, 50))
+        child.expect(ANSWER_AT_END)