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|
# ticket: t425
cimport cython
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=False]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=True]",
)
def swap(a,b):
"""
>>> swap(1,2)
(2, 1)
"""
a,b = b,a
return a,b
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=False]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=True]",
)
def swap5(a,b,c,d,e):
"""
>>> swap5(1,2,3,4,5)
(5, 4, 3, 2, 1)
"""
a,b,c,d,e = e,d,c,b,a
return a,b,c,d,e
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=False]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=True]",
)
cdef bint c_swap_cmp5(a, b, c, d, e):
a,b,c,d,e = e,d,c,b,a
return a > b > c > d > e
def swap_cmp5(a,b,c,d,e):
"""
>>> swap_cmp5(1,2,3,4,5)
True
"""
return c_swap_cmp5(a,b,c,d,e)
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=True]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//CoerceToTempNode[@use_managed_ref=False]",
)
def swap_py(a,b):
"""
>>> swap_py(1,2)
(1, 2)
"""
a,a = b,a
return a,b
cdef class A:
cdef readonly object x
cdef readonly object y
def __init__(self, x, y):
self.x, self.y = x, y
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode",
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode[@use_managed_ref=False]",
"//ParallelAssignmentNode/SingleAssignmentNode//AttributeNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//AttributeNode[@use_managed_ref=False]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode[@use_managed_ref=True]",
"//ParallelAssignmentNode/SingleAssignmentNode/AttributeNode[@use_managed_ref=True]",
)
def swap_attr_values(A a, A b):
"""
>>> a, b = A(1,2), A(3,4)
>>> a.x, a.y, b.x, b.y
(1, 2, 3, 4)
>>> swap_attr_values(a,b)
>>> a.x, a.y, b.x, b.y
(3, 2, 1, 4)
"""
a.x, a.y, b.x, b.y = a.y, b.x, b.y, a.x # shift by one
a.x, a.y, b.x, b.y = b.x, b.y, a.x, a.y # shift by two
a.x, a.y, b.x, b.y = b.y, b.x, a.y, a.x # reverse
cdef class B:
cdef readonly A a1
cdef readonly A a2
def __init__(self, x1, y1, x2, y2):
self.a1, self.a2 = A(x1, y1), A(x2, y2)
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode",
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode[@use_managed_ref=False]",
"//ParallelAssignmentNode/SingleAssignmentNode//AttributeNode/NameNode",
"//ParallelAssignmentNode/SingleAssignmentNode//AttributeNode[@use_managed_ref=False]/NameNode",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode/CoerceToTempNode[@use_managed_ref=True]",
"//ParallelAssignmentNode/SingleAssignmentNode/AttributeNode[@use_managed_ref=True]",
)
def swap_recursive_attr_values(B a, B b):
"""
>>> a, b = B(1,2,3,4), B(5,6,7,8)
>>> a.a1.x, a.a1.y, a.a2.x, a.a2.y
(1, 2, 3, 4)
>>> b.a1.x, b.a1.y, b.a2.x, b.a2.y
(5, 6, 7, 8)
>>> swap_recursive_attr_values(a,b)
>>> a.a1.x, a.a1.y, a.a2.x, a.a2.y
(2, 1, 4, 4)
>>> b.a1.x, b.a1.y, b.a2.x, b.a2.y
(6, 5, 8, 8)
# compatibility test
>>> class A:
... def __init__(self, x, y):
... self.x, self.y = x, y
>>> class B:
... def __init__(self, x1, y1, x2, y2):
... self.a1, self.a2 = A(x1, y1), A(x2, y2)
>>> a, b = B(1,2,3,4), B(5,6,7,8)
>>> a.a1, a.a2 = a.a2, a.a1
>>> b.a1, b.a2 = b.a2, b.a1
>>> a.a1, a.a1.x, a.a2.y, a.a2, a.a1.y, a.a2.x = a.a2, a.a2.y, a.a1.x, a.a1, a.a2.x, a.a1.y
>>> b.a1, b.a1.x, b.a2.y, b.a2, b.a1.y, b.a2.x = b.a2, b.a2.y, b.a1.x, b.a1, b.a2.x, b.a1.y
>>> a.a1.x, a.a1.y, a.a2.x, a.a2.y
(2, 1, 4, 4)
>>> b.a1.x, b.a1.y, b.a2.x, b.a2.y
(6, 5, 8, 8)
"""
a.a1, a.a2 = a.a2, a.a1
b.a1, b.a2 = b.a2, b.a1
a.a1, a.a1.x, a.a2.y, a.a2, a.a1.y, a.a2.x = a.a2, a.a2.y, a.a1.x, a.a1, a.a2.x, a.a1.y
b.a1, b.a1.x, b.a2.y, b.a2, b.a1.y, b.a2.x = b.a2, b.a2.y, b.a1.x, b.a1, b.a2.x, b.a1.y
@cython.test_assert_path_exists(
# "//ParallelAssignmentNode",
# "//ParallelAssignmentNode/SingleAssignmentNode",
# "//ParallelAssignmentNode/SingleAssignmentNode//IndexNode",
# "//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=False]",
)
@cython.test_fail_if_path_exists(
# "//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=True]",
)
def swap_list_items(list a, int i, int j):
"""
>>> l = [1,2,3,4]
>>> swap_list_items(l, 1, 2)
>>> l
[1, 3, 2, 4]
>>> swap_list_items(l, 3, 0)
>>> l
[4, 3, 2, 1]
>>> swap_list_items(l, 0, 5)
Traceback (most recent call last):
IndexError: list index out of range
>>> l
[4, 3, 2, 1]
"""
a[i], a[j] = a[j], a[i]
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode",
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=True]",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=False]",
)
def swap_list_items_py1(list a, int i, int j):
a[i], a[j] = a[j+1], a[i]
@cython.test_assert_path_exists(
"//ParallelAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode",
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode",
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=True]",
)
@cython.test_fail_if_path_exists(
"//ParallelAssignmentNode/SingleAssignmentNode//IndexNode[@use_managed_ref=False]",
)
def swap_list_items_py2(list a, int i, int j):
a[i], a[j] = a[i], a[i]
|
