def test_frozenlist():
l = frozenlist([1, 2, 3])
assert l[0] == 1
assert l[:2] == [1, 2]
assert l.index(2) == 1
py.test.raises(TypeError, "l[0] = 1")
py.test.raises(TypeError, "del l[0]")
py.test.raises(TypeError, "l[:] = []")
py.test.raises(TypeError, "del l[:]")
py.test.raises(TypeError, "l += []")
py.test.raises(TypeError, "l *= 2")
py.test.raises(TypeError, "l.append(1)")
py.test.raises(TypeError, "l.insert(0, 0)")
py.test.raises(TypeError, "l.pop()")
py.test.raises(TypeError, "l.remove(1)")
py.test.raises(TypeError, "l.reverse()")
py.test.raises(TypeError, "l.sort()")
py.test.raises(TypeError, "l.extend([])")
def test_frozenlist():
l = frozenlist([1, 2, 3])
assert l[0] == 1
assert l[:2] == [1, 2]
assert l.index(2) == 1
py.test.raises(TypeError, "l[0] = 1")
py.test.raises(TypeError, "del l[0]")
py.test.raises(TypeError, "l[:] = []")
py.test.raises(TypeError, "del l[:]")
py.test.raises(TypeError, "l += []")
py.test.raises(TypeError, "l *= 2")
py.test.raises(TypeError, "l.append(1)")
py.test.raises(TypeError, "l.insert(0, 0)")
py.test.raises(TypeError, "l.pop()")
py.test.raises(TypeError, "l.remove(1)")
py.test.raises(TypeError, "l.reverse()")
py.test.raises(TypeError, "l.sort()")
py.test.raises(TypeError, "l.extend([])")
def get_deep_immutable_oplist(operations):
"""
When not we_are_translated(), turns ``operations`` into a frozenlist and
monkey-patch its items to make sure they are not mutated.
When we_are_translated(), do nothing and just return the old list.
"""
from rpython.tool.frozenlist import frozenlist
if we_are_translated():
return operations
#
def setarg(*args):
assert False, "operations cannot change at this point"
def setdescr(*args):
assert False, "operations cannot change at this point"
newops = frozenlist(operations)
for op in newops:
op.setarg = setarg
op.setdescr = setdescr
return newops
def get_deep_immutable_oplist(operations):
"""
When not we_are_translated(), turns ``operations`` into a frozenlist and
monkey-patch its items to make sure they are not mutated.
When we_are_translated(), do nothing and just return the old list.
"""
from rpython.tool.frozenlist import frozenlist
if we_are_translated():
return operations
#
def setarg(*args):
assert False, "operations cannot change at this point"
def setdescr(*args):
assert False, "operations cannot change at this point"
newops = frozenlist(operations)
for op in newops:
op.setarg = setarg
op.setdescr = setdescr
return newops
