Author: Armin Rigo <[email protected]>
Branch:
Changeset: r183:bef700bb02ad
Date: 2013-06-17 20:39 +0200
http://bitbucket.org/pypy/stmgc/changeset/bef700bb02ad/
Log: Next test
diff --git a/c4/test/test_gcpage.py b/c4/test/test_gcpage.py
--- a/c4/test/test_gcpage.py
+++ b/c4/test/test_gcpage.py
@@ -199,3 +199,25 @@
p3 = lib.stm_write_barrier(p2)
assert p3 != p2
assert p3 == lib.stm_write_barrier(p2)
+
+def test_new_version_kill_intermediate():
+ p1 = oalloc(HDR); make_public(p1)
+ p2 = oalloc(HDR); make_public(p2)
+ p3 = oalloc(HDR); make_public(p3)
+ p4 = oalloc(HDR); make_public(p4)
+ delegate(p1, p2)
+ delegate(p2, p3)
+ delegate(p3, p4)
+ lib.stm_push_root(p2)
+ major_collect()
+ major_collect()
+ p2b = lib.stm_pop_root()
+ assert p2b == p4
+ check_free_old(p1)
+ check_free_old(p2)
+ check_free_old(p3)
+ check_not_free(p4)
+ p5 = lib.stm_write_barrier(p4)
+ assert p5 != p4
+ assert p5 == lib.stm_write_barrier(p4)
+ assert p5 == lib.stm_write_barrier(p5)
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