def test_transform():
t = symbol('t', '5 * {x: int, y: int}')
expr = transform(t, z=t.x + t.y)
assert expr.fields == ['x', 'y', 'z']
assert builtins.any(
(t.x + t.y).isidentical(node) for node in expr._subterms())
def test_transform():
t = symbol('t', '5 * {x: int, y: int}')
expr = transform(t, z=t.x + t.y)
assert expr.fields == ['x', 'y', 'z']
assert builtins.any((t.x + t.y).isidentical(node)
for node in expr._subterms())