def test_heapcache_write_fields_multiple_array(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.new(box3)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is box2 # box1 and box3 cannot alias
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is box3 # box1 and box3 cannot alias
def test_circular_virtuals(self):
h = HeapCache()
h.new(box1)
h.new(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1]) # does not crash
def test_heapcache_write_fields_multiple_array(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.new(box3)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is box2 # box1 and box3 cannot alias
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is box3 # box1 and box3 cannot alias
def test_circular_virtuals(self):
h = HeapCache()
h.new(box1)
h.new(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1]) # does not crash
def test_unescaped(self):
h = HeapCache()
assert not h.is_unescaped(box1)
h.new(box2)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert not h.is_unescaped(box2)
def test_unescaped(self):
h = HeapCache()
assert not h.is_unescaped(box1)
h.new(box2)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert not h.is_unescaped(box2)
def test_unescaped_testing(self):
h = HeapCache()
h.new(box1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
# Putting a virtual inside of another virtual doesn't escape it.
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert h.is_unescaped(box2)
# Reading a field from a virtual doesn't escape it.
h.invalidate_caches(rop.GETFIELD_GC, None, [box1])
assert h.is_unescaped(box1)
# Escaping a virtual transitively escapes anything inside of it.
assert not h.is_unescaped(box3)
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1])
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_unescaped_testing(self):
h = HeapCache()
h.new(box1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
# Putting a virtual inside of another virtual doesn't escape it.
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert h.is_unescaped(box2)
# Reading a field from a virtual doesn't escape it.
h.invalidate_caches(rop.GETFIELD_GC, None, [box1])
assert h.is_unescaped(box1)
# Escaping a virtual transitively escapes anything inside of it.
assert not h.is_unescaped(box3)
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1])
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_unescaped_array(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, index1, box2])
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box2, index1, box1])
assert not h.is_unescaped(box1)
h = HeapCache()
h.new_array(box1, lengthbox1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, lengthbox2, box2])
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS), [box1]
)
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_unescaped_array(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, index1, box2])
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box2, index1, box1])
assert not h.is_unescaped(box1)
h = HeapCache()
h.new_array(box1, lengthbox1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, lengthbox2, box2])
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS), [box1]
)
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)