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# mode: run
# tag: py_unicode_strings
import sys
from libc.string cimport memcpy
cdef assert_Py_UNICODE_equal(const Py_UNICODE* u1, const Py_UNICODE* u2):
cdef size_t i = 0
while u1[i] != 0 and u2[i] != 0 and u1[i] == u2[i]:
i += 1
assert u1[i] == u2[i], f"Mismatch at position {i}: {<long>u1[i]} != {<long>u2[i]} ({u1!r} != {u2!r})"
ctypedef Py_UNICODE* LPWSTR
cdef unicode uobj = u'unicode\u1234'
cdef unicode uobj1 = u'u'
cdef Py_UNICODE* c_pu_str = u"unicode\u1234"
cdef Py_UNICODE[42] c_pu_arr
cdef LPWSTR c_wstr = u"unicode\u1234"
cdef Py_UNICODE* c_pu_empty = u""
cdef char* c_empty = ""
cdef unicode uwide_literal = u'\U00020000\U00020001'
cdef Py_UNICODE* c_pu_wide_literal = u'\U00020000\U00020001'
memcpy(c_pu_arr, c_pu_str, sizeof(Py_UNICODE) * (len(uobj) + 1))
def test_c_to_python():
"""
>>> test_c_to_python()
"""
assert c_pu_arr == uobj
assert c_pu_str == uobj
assert c_wstr == uobj
assert c_pu_arr[1:] == uobj[1:]
assert c_pu_str[1:] == uobj[1:]
assert c_wstr[1:] == uobj[1:]
assert c_pu_arr[:1] == uobj[:1]
assert c_pu_arr[:1] == uobj[:1]
assert c_pu_str[:1] == uobj[:1]
assert c_wstr[:1] == uobj[:1]
assert c_pu_arr[1:7] == uobj[1:7]
assert c_pu_str[1:7] == uobj[1:7]
assert c_wstr[1:7] == uobj[1:7]
cdef Py_UNICODE ch = uobj[1] # Py_UCS4 is unsigned, Py_UNICODE is usually signed.
assert c_pu_arr[1] == ch
assert c_pu_str[1] == ch
assert c_wstr[1] == ch
assert len(c_pu_str) == 8
assert len(c_pu_arr) == 8
assert len(c_wstr) == 8
assert sizeof(c_pu_arr) == sizeof(Py_UNICODE) * 42
assert sizeof(c_pu_str) == sizeof(void*)
assert c_pu_wide_literal == uwide_literal
if sizeof(Py_UNICODE) >= 4:
assert len(c_pu_wide_literal) == 2
else:
assert len(c_pu_wide_literal) == 4
if sys.version_info >= (3, 3):
# Make sure len(unicode) is not reverted to pre-3.3 behavior
assert len(uwide_literal) == 2
assert u'unicode'
assert not u''
assert c_pu_str
assert c_pu_empty
def test_python_to_c():
"""
>>> test_python_to_c()
"""
cdef unicode u
assert_Py_UNICODE_equal(c_pu_arr, uobj)
assert_Py_UNICODE_equal(c_pu_str, uobj)
assert_Py_UNICODE_equal(c_pu_str, <LPWSTR>uobj)
u = uobj[1:]
assert_Py_UNICODE_equal(c_pu_str + 1, u)
assert_Py_UNICODE_equal(c_wstr + 1, u)
u = uobj[:1]
assert_Py_UNICODE_equal(<Py_UNICODE*>u"u", u)
u = uobj[1:7]
assert_Py_UNICODE_equal(<Py_UNICODE*>u"nicode", u)
u = uobj[1]
assert_Py_UNICODE_equal(<Py_UNICODE*>u"n", u)
assert_Py_UNICODE_equal(uwide_literal, <Py_UNICODE*>c_pu_wide_literal)
assert len(u"abc\0") == 4
assert len(<Py_UNICODE*>u"abc\0") == 3
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