示例#1
0
def test_get_referents():
    class X(object):
        __slots__ = ['stuff']
    x1 = X()
    x1.stuff = X()
    x2 = X()
    lst = rgc.get_rpy_referents(rgc.cast_instance_to_gcref(x1))
    lst2 = [rgc.try_cast_gcref_to_instance(X, x) for x in lst]
    assert x1.stuff in lst2
    assert x2 not in lst2
示例#2
0
文件: test_rgc.py 项目: njues/Sypy
def test_get_referents():
    class X(object):
        __slots__ = ['stuff']

    x1 = X()
    x1.stuff = X()
    x2 = X()
    lst = rgc.get_rpy_referents(rgc.cast_instance_to_gcref(x1))
    lst2 = [rgc.try_cast_gcref_to_instance(X, x) for x in lst]
    assert x1.stuff in lst2
    assert x2 not in lst2
示例#3
0
文件: referents.py 项目: njues/Sypy
def try_cast_gcref_to_w_root(gcref):
    w_obj = rgc.try_cast_gcref_to_instance(W_Root, gcref)
    # Ignore the instances of W_Root that are not really valid as Python
    # objects.  There is e.g. WeakrefLifeline in module/_weakref that
    # inherits from W_Root for internal reasons.  Such instances don't
    # have a typedef at all (or have a null typedef after translation).
    if not we_are_translated():
        if not hasattr(w_obj, 'typedef'):
            return None
    else:
        if w_obj is None or not w_obj.typedef:
            return None
    return w_obj
示例#4
0
        def fn():
            foo = Foo()
            gcref1 = rgc.cast_instance_to_gcref(foo)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref1) is foo
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref1) is None
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref1) is None

            foobar = FooBar()
            gcref2 = rgc.cast_instance_to_gcref(foobar)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref2) is foobar
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref2) is foobar
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref2) is None

            s = lltype.malloc(S)
            gcref3 = lltype.cast_opaque_ptr(llmemory.GCREF, s)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref3) is None
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref3) is None
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref3) is None

            return 0
示例#5
0
        def fn():
            foo = Foo()
            gcref1 = rgc.cast_instance_to_gcref(foo)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref1) is foo
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref1) is None
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref1) is None

            foobar = FooBar()
            gcref2 = rgc.cast_instance_to_gcref(foobar)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref2) is foobar
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref2) is foobar
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref2) is None

            s = lltype.malloc(S)
            gcref3 = lltype.cast_opaque_ptr(llmemory.GCREF, s)
            assert rgc.try_cast_gcref_to_instance(Foo,    gcref3) is None
            assert rgc.try_cast_gcref_to_instance(FooBar, gcref3) is None
            assert rgc.try_cast_gcref_to_instance(Biz,    gcref3) is None

            return 0