Author: Armin Rigo <[email protected]>
Branch: gc-del-2
Changeset: r66071:3ca3e70a4f17
Date: 2013-08-11 17:31 +0200
http://bitbucket.org/pypy/pypy/changeset/3ca3e70a4f17/
Log: A test that would pass if it did major collects instead of minor
collects. The goal is to pass this test now with minor collects.
diff --git a/rpython/memory/test/test_minimark_gc.py
b/rpython/memory/test/test_minimark_gc.py
--- a/rpython/memory/test/test_minimark_gc.py
+++ b/rpython/memory/test/test_minimark_gc.py
@@ -1,3 +1,5 @@
+from rpython.rlib import rgc
+from rpython.rlib.debug import ll_assert
from rpython.rlib.rarithmetic import LONG_BIT
from rpython.memory.test import test_semispace_gc
@@ -9,3 +11,37 @@
GC_CAN_SHRINK_BIG_ARRAY = False
GC_CAN_MALLOC_NONMOVABLE = True
BUT_HOW_BIG_IS_A_BIG_STRING = 11*WORD
+
+ def test_finalizer_chain_minor_collect(self):
+ class A:
+ def __init__(self, n, next):
+ self.n = n
+ self.next = next
+ def __del__(self):
+ state.freed.append(self.n)
+ class State:
+ pass
+ state = State()
+
+ def make(n):
+ a = None
+ i = 0
+ while i < n:
+ a = A(i, a)
+ i += 1
+
+ def f(n):
+ state.freed = []
+ make(n)
+ ll_assert(len(state.freed) == 0, "should be empty before collect")
+ i = 0
+ while i < n:
+ rgc.collect(0) # minor collection only
+ i += 1
+ ll_assert(len(state.freed) == i, "every collect should grow 1")
+ i = 0
+ while i < n:
+ ll_assert(state.freed[i] == n - i - 1, "bogus ordering")
+ i += 1
+
+ self.interpret(f, [4])
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