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import os
from rpython.tool.udir import udir
from rpython.memory.gc.test.test_direct import BaseDirectGCTest, S
from rpython.memory.gc import inspector
from rpython.rtyper.lltypesystem import llmemory
class InspectorTest(BaseDirectGCTest):
def test_dump_rpy_heap(self):
p = self.malloc(S)
p.x = 5
q = self.malloc(S)
q.x = 6
self.write(p, 'next', q)
self.stackroots.append(p)
#
saved = inspector.HeapDumper.flush.im_func
try:
seen = []
def my_flush(self):
for i in range(self.buf_count):
seen.append(self.writebuffer[i])
self.buf_count = 0
inspector.HeapDumper.flush = my_flush
inspector.dump_rpy_heap(self.gc, -123456)
finally:
inspector.HeapDumper.flush = saved
#
class ASize(object):
def __eq__(self, other):
return isinstance(other, llmemory.AddressOffset)
adr_p = seen[0]
adr_q = seen[3]
expected = [adr_p, 1, ASize(), adr_q, -1,
0, 0, 0, -1,
adr_q, 1, ASize(), -1]
assert expected == seen
class TestHybridGC(InspectorTest):
from rpython.memory.gc.hybrid import HybridGC as GCClass
class TestMiniMarkGCSimple(InspectorTest):
from rpython.memory.gc.minimark import MiniMarkGC as GCClass
from rpython.memory.gc.minimarktest import SimpleArenaCollection
GC_PARAMS = {'ArenaCollectionClass': SimpleArenaCollection,
"card_page_indices": 4}
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