Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r1618:e5d94f869b43
Date: 2015-02-13 16:18 +0100
http://bitbucket.org/pypy/stmgc/changeset/e5d94f869b43/
Log: Test for 6d9efeaf307b
diff --git a/c7/test/support.py b/c7/test/support.py
--- a/c7/test/support.py
+++ b/c7/test/support.py
@@ -184,6 +184,8 @@
stm_hashtable_t *_get_hashtable(object_t *obj);
uintptr_t _get_entry_index(stm_hashtable_entry_t *entry);
object_t *_get_entry_object(stm_hashtable_entry_t *entry);
+
+object_t *stm_allocate_preexisting(ssize_t size_rounded_up, struct object_s *);
""")
diff --git a/c7/test/test_gcpage.py b/c7/test/test_gcpage.py
--- a/c7/test/test_gcpage.py
+++ b/c7/test/test_gcpage.py
@@ -247,3 +247,16 @@
p1 = self.pop_root()
assert stm_get_char(p1) == 'o'
assert stm_get_char(p2) == 't'
+
+ def test_allocate_preexisting(self):
+ self.start_transaction()
+ p1 = stm_allocate(32)
+ stm_set_char(p1, 'X')
+ rawaddr = stm_get_real_address(p1)
+ p2 = lib.stm_allocate_preexisting(32, rawaddr)
+ #
+ assert stm_get_char(p2) == 'X'
+ #
+ self.switch(1)
+ self.start_transaction()
+ assert stm_get_char(p2) == 'X'
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