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import pytest
from StringIO import StringIO
from hypothesis import given, strategies, example
from rpython.rlib.unicodedata.codegen import CodeWriter, get_char_list_offset
def test_charlist():
l = []
d = {}
offset = get_char_list_offset([1, 2, 3], l, d)
assert offset == 0
assert l == [1, 2, 3]
assert d == {(1, ): 0, (2, ): 1, (3, ): 2, (1, 2): 0,
(2, 3): 1, (1, 2, 3): 0}
@example(l=[0, 1])
@given(strategies.lists(strategies.integers(min_value=0, max_value=2*32-1)))
def test_print_listlike(l):
f = StringIO()
c = CodeWriter(f)
print >> c, 'from rpython.rlib.rarithmetic import r_longlong, r_int32, r_uint32, intmask'
print >> c, '''\
from rpython.rlib.unicodedata.supportcode import (signed_ord, _all_short,
_all_ushort, _all_int32, _all_uint32)'''
c.print_listlike("l", l)
d = {}
s = f.getvalue()
print l
print s
exec s in d
func = d['l']
for i, value in enumerate(l):
assert func(i) == value
for index in range(len(l), len(l) + 100):
with pytest.raises((IndexError, KeyError)):
func(index)
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