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import cython
@cython.test_fail_if_path_exists(
'//CascadedAssignmentNode//CoerceFromPyTypeNode',
'//CascadedAssignmentNode//CoerceToPyTypeNode',
)
@cython.test_assert_path_exists('//CascadedAssignmentNode')
def test_cascaded_assignment_simple():
"""
>>> test_cascaded_assignment_simple()
5
"""
a = b = c = 5
return a
@cython.test_fail_if_path_exists(
'//CascadedAssignmentNode//CoerceFromPyTypeNode',
'//CascadedAssignmentNode//CoerceToPyTypeNode',
)
@cython.test_assert_path_exists('//CascadedAssignmentNode')
def test_cascaded_assignment_typed():
"""
>>> test_cascaded_assignment_typed()
int Python object double
(5, 5, 5.0)
"""
cdef int a
cdef object b
cdef double c
a = b = c = 5
print cython.typeof(a), cython.typeof(b), cython.typeof(c)
return a, b, c
def test_cascaded_assignment_builtin_expr():
"""
This test is useful as previously the rhs expr node got replaced resulting
in CloneNode generating None in the C source.
>>> test_cascaded_assignment_builtin_expr()
(10.0, 10.0, 10.0)
"""
a = b = c = float(10)
return a, b, c
def expr():
print "expr called"
return 10
def test_cascaded_assignment_evaluate_expr():
"""
>>> test_cascaded_assignment_evaluate_expr()
expr called
(10.0, 10.0, 10.0)
"""
a = b = c = float(expr())
return a, b, c
def test_overwrite():
"""
>>> test_overwrite()
{0: {1: {2: {}}}}
"""
x = a = {}
for i in range(3):
a[i] = a = {}
assert a == {}
return x
|
