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import sys, py
from rpython.rlib.rstring import StringBuilder, UnicodeBuilder, split, rsplit
from rpython.rlib.rstring import replace, startswith, endswith, replace_count
from rpython.rlib.rstring import find, rfind, count
from rpython.rlib.buffer import StringBuffer
from rpython.rtyper.test.tool import BaseRtypingTest
def test_split():
def check_split(value, sub, *args, **kwargs):
result = kwargs['res']
assert split(value, sub, *args) == result
list_result = [list(i) for i in result]
assert split(list(value), sub, *args) == list_result
assert split(buffer(value), sub, *args) == result
check_split("", 'x', res=[''])
check_split("a", "a", 1, res=['', ''])
check_split(" ", " ", 1, res=['', ''])
check_split("aa", "a", 2, res=['', '', ''])
check_split('a|b|c|d', '|', res=['a', 'b', 'c', 'd'])
check_split('a|b|c|d', '|', 2, res=['a', 'b', 'c|d'])
check_split('a//b//c//d', '//', res=['a', 'b', 'c', 'd'])
check_split('a//b//c//d', '//', 2, res=['a', 'b', 'c//d'])
check_split('endcase test', 'test', res=['endcase ', ''])
py.test.raises(ValueError, split, 'abc', '')
def test_split_no_occurrence():
x = "abc"
assert x.split("d")[0] is x
assert x.rsplit("d")[0] is x
def test_split_None():
assert split("") == []
assert split(' a\ta\na b') == ['a', 'a', 'a', 'b']
assert split(" a a ", maxsplit=1) == ['a', 'a ']
def test_split_unicode():
assert split(u"", u'x') == [u'']
assert split(u"a", u"a", 1) == [u'', u'']
assert split(u" ", u" ", 1) == [u'', u'']
assert split(u"aa", u"a", 2) == [u'', u'', u'']
assert split(u'a|b|c|d', u'|') == [u'a', u'b', u'c', u'd']
assert split(u'a|b|c|d', u'|', 2) == [u'a', u'b', u'c|d']
assert split(u'a//b//c//d', u'//') == [u'a', u'b', u'c', u'd']
assert split(u'endcase test', u'test') == [u'endcase ', u'']
py.test.raises(ValueError, split, u'abc', u'')
def test_split_utf8():
assert split('', 'a', isutf8=1) == ['']
assert split('baba', 'a', isutf8=1) == ['b', 'b', '']
assert split('b b', isutf8=1) == ['b', 'b']
assert split('b\xe1\x9a\x80b', isutf8=1) == ['b', 'b']
def test_rsplit():
def check_rsplit(value, sub, *args, **kwargs):
result = kwargs['res']
assert rsplit(value, sub, *args) == result
list_result = [list(i) for i in result]
assert rsplit(list(value), sub, *args) == list_result
assert rsplit(buffer(value), sub, *args) == result
check_rsplit("a", "a", 1, res=['', ''])
check_rsplit(" ", " ", 1, res=['', ''])
check_rsplit("aa", "a", 2, res=['', '', ''])
check_rsplit('a|b|c|d', '|', res=['a', 'b', 'c', 'd'])
check_rsplit('a|b|c|d', '|', 2, res=['a|b', 'c', 'd'])
check_rsplit('a//b//c//d', '//', res=['a', 'b', 'c', 'd'])
check_rsplit('endcase test', 'test', res=['endcase ', ''])
py.test.raises(ValueError, rsplit, "abc", '')
def test_rsplit_None():
assert rsplit("") == []
assert rsplit(' a\ta\na b') == ['a', 'a', 'a', 'b']
assert rsplit(" a a ", maxsplit=1) == [' a', 'a']
def test_rsplit_unicode():
assert rsplit(u"a", u"a", 1) == [u'', u'']
assert rsplit(u" ", u" ", 1) == [u'', u'']
assert rsplit(u"aa", u"a", 2) == [u'', u'', u'']
assert rsplit(u'a|b|c|d', u'|') == [u'a', u'b', u'c', u'd']
assert rsplit(u'a|b|c|d', u'|', 2) == [u'a|b', u'c', u'd']
assert rsplit(u'a//b//c//d', u'//') == [u'a', u'b', u'c', u'd']
assert rsplit(u'endcase test', u'test') == [u'endcase ', u'']
py.test.raises(ValueError, rsplit, u"abc", u'')
def test_rsplit_utf8():
assert rsplit('', 'a', isutf8=1) == ['']
assert rsplit('baba', 'a', isutf8=1) == ['b', 'b', '']
assert rsplit('b b', isutf8=1) == ['b', 'b']
assert rsplit('b\xe1\x9a\x80b', isutf8=1) == ['b', 'b']
assert rsplit('b\xe1\x9a\x80', isutf8=1) == ['b']
def test_string_replace():
def check_replace(value, sub, *args, **kwargs):
result = kwargs['res']
assert replace(value, sub, *args) == result
assert replace(list(value), sub, *args) == list(result)
count = value.count(sub)
if len(args) >= 2:
count = min(count, args[1])
assert replace_count(value, sub, *args) == (result, count)
assert replace_count(value, sub, *args, isutf8=True) == (result, count)
check_replace('one!two!three!', '!', '@', 1, res='one@two!three!')
check_replace('one!two!three!', '!', '', res='onetwothree')
check_replace('one!two!three!', '!', '@', 2, res='one@two@three!')
check_replace('one!two!three!', '!', '@', 3, res='one@two@three@')
check_replace('one!two!three!', '!', '@', 4, res='one@two@three@')
check_replace('one!two!three!', '!', '@', 0, res='one!two!three!')
check_replace('one!two!three!', '!', '@', res='one@two@three@')
check_replace('one!two!three!', 'x', '@', res='one!two!three!')
check_replace('one!two!three!', 'x', '@', 2, res='one!two!three!')
check_replace('abc', '', '-', res='-a-b-c-')
check_replace('abc', '', '-', 3, res='-a-b-c')
check_replace('abc', '', '-', 0, res='abc')
check_replace('', '', '', res='')
check_replace('', '', 'a', res='a')
check_replace('abc', 'ab', '--', 0, res='abc')
check_replace('abc', 'xy', '--', res='abc')
check_replace('123', '123', '', res='')
check_replace('123123', '123', '', res='')
check_replace('123x123', '123', '', res='x')
def test_string_replace_overflow():
if sys.maxint > 2**31-1:
py.test.skip("Wrong platform")
s = "a" * (2**16)
with py.test.raises(OverflowError):
replace(s, "", s)
with py.test.raises(OverflowError):
replace(s, "a", s)
with py.test.raises(OverflowError):
replace(s, "a", s, len(s) - 10)
def test_unicode_replace():
assert replace(u'one!two!three!', u'!', u'@', 1) == u'one@two!three!'
assert replace(u'one!two!three!', u'!', u'') == u'onetwothree'
assert replace(u'one!two!three!', u'!', u'@', 2) == u'one@two@three!'
assert replace(u'one!two!three!', u'!', u'@', 3) == u'one@two@three@'
assert replace(u'one!two!three!', u'!', u'@', 4) == u'one@two@three@'
assert replace(u'one!two!three!', u'!', u'@', 0) == u'one!two!three!'
assert replace(u'one!two!three!', u'!', u'@') == u'one@two@three@'
assert replace(u'one!two!three!', u'x', u'@') == u'one!two!three!'
assert replace(u'one!two!three!', u'x', u'@', 2) == u'one!two!three!'
assert replace(u'abc', u'', u'-') == u'-a-b-c-'
assert replace(u'abc', u'', u'-', 3) == u'-a-b-c'
assert replace(u'abc', u'', u'-', 0) == u'abc'
assert replace(u'', u'', u'') == u''
assert replace(u'', u'', u'a') == u'a'
assert replace(u'abc', u'ab', u'--', 0) == u'abc'
assert replace(u'abc', u'xy', u'--') == u'abc'
assert replace(u'123', u'123', u'') == u''
assert replace(u'123123', u'123', u'') == u''
assert replace(u'123x123', u'123', u'') == u'x'
def test_unicode_replace_overflow():
if sys.maxint > 2**31-1:
py.test.skip("Wrong platform")
s = u"a" * (2**16)
with py.test.raises(OverflowError):
replace(s, u"", s)
with py.test.raises(OverflowError):
replace(s, u"a", s)
with py.test.raises(OverflowError):
replace(s, u"a", s, len(s) - 10)
def test_replace_no_occurrence():
s = "xyz"
assert replace(s, "a", "b") is s
s = "xyz"
assert replace(s, "abc", "b") is s
def test_startswith():
def check_startswith(value, sub, *args, **kwargs):
result = kwargs['res']
assert startswith(value, sub, *args) is result
assert startswith(list(value), sub, *args) is result
check_startswith('ab', 'ab', res=True)
check_startswith('ab', 'a', res=True)
check_startswith('ab', '', res=True)
check_startswith('x', 'a', res=False)
check_startswith('x', 'x', res=True)
check_startswith('', '', res=True)
check_startswith('', 'a', res=False)
check_startswith('x', 'xx', res=False)
check_startswith('y', 'xx', res=False)
check_startswith('ab', 'a', 0, res=True)
check_startswith('ab', 'a', 1, res=False)
check_startswith('ab', 'b', 1, res=True)
check_startswith('abc', 'bc', 1, 2, res=False)
check_startswith('abc', 'c', -1, 4, res=True)
def test_endswith():
def check_endswith(value, sub, *args, **kwargs):
result = kwargs['res']
assert endswith(value, sub, *args) is result
assert endswith(list(value), sub, *args) is result
check_endswith('ab', 'ab', res=True)
check_endswith('ab', 'b', res=True)
check_endswith('ab', '', res=True)
check_endswith('x', 'a', res=False)
check_endswith('x', 'x', res=True)
check_endswith('', '', res=True)
check_endswith('', 'a', res=False)
check_endswith('x', 'xx', res=False)
check_endswith('y', 'xx', res=False)
check_endswith('abc', 'ab', 0, 2, res=True)
check_endswith('abc', 'bc', 1, res=True)
check_endswith('abc', 'bc', 2, res=False)
check_endswith('abc', 'b', -3, -1, res=True)
def test_string_builder():
s = StringBuilder()
s.append("a")
s.append("abc")
assert s.getlength() == len('aabc')
s.append("a")
s.append_slice("abc", 1, 2)
s.append_multiple_char('d', 4)
result = s.build()
assert result == "aabcabdddd"
assert result == s.build()
s.append("x")
assert s.build() == result + "x"
def test_unicode_builder():
s = UnicodeBuilder()
s.append(u'a')
s.append(u'abc')
s.append_slice(u'abcdef', 1, 2)
assert s.getlength() == len('aabcb')
s.append_multiple_char(u'd', 4)
result = s.build()
assert result == 'aabcbdddd'
assert isinstance(result, unicode)
def test_search():
def check_search(func, value, sub, *args, **kwargs):
result = kwargs['res']
assert func(value, sub, *args) == result
assert func(list(value), sub, *args) == result
check_search(find, 'one two three', 'ne', 0, 13, res=1)
check_search(find, 'one two three', 'ne', 5, 13, res=-1)
check_search(find, 'one two three', '', 0, 13, res=0)
check_search(find, '000000p00000000', 'ap', 0, 15, res=-1)
check_search(rfind, 'one two three', 'e', 0, 13, res=12)
check_search(rfind, 'one two three', 'e', 0, 1, res=-1)
check_search(rfind, 'one two three', '', 0, 13, res=13)
check_search(count, 'one two three', 'e', 0, 13, res=3)
check_search(count, 'one two three', 'e', 0, 1, res=0)
check_search(count, 'one two three', '', 0, 13, res=14)
check_search(count, '', 'ab', 0, 0, res=0)
check_search(count, 'a', 'ab', 0, 1, res=0)
check_search(count, 'ac', 'ab', 0, 2, res=0)
class TestTranslates(BaseRtypingTest):
def test_split_rsplit(self):
def fn():
res = True
res = res and split('a//b//c//d', '//') == ['a', 'b', 'c', 'd']
res = res and split(' a\ta\na b') == ['a', 'a', 'a', 'b']
res = res and split('a//b//c//d', '//', 2) == ['a', 'b', 'c//d']
res = res and split('abcd,efghi', ',') == ['abcd', 'efghi']
res = res and split(u'a//b//c//d', u'//') == [u'a', u'b', u'c', u'd']
res = res and split(u'endcase test', u'test') == [u'endcase ', u'']
res = res and rsplit('a|b|c|d', '|', 2) == ['a|b', 'c', 'd']
res = res and rsplit('a//b//c//d', '//') == ['a', 'b', 'c', 'd']
res = res and rsplit(u'a|b|c|d', u'|') == [u'a', u'b', u'c', u'd']
res = res and rsplit(u'a|b|c|d', u'|', 2) == [u'a|b', u'c', u'd']
res = res and rsplit(u'a//b//c//d', u'//') == [u'a', u'b', u'c', u'd']
return res
res = self.interpret(fn, [])
assert res
def test_buffer_parameter(self):
def fn():
res = True
res = res and find('a//b//c//d', StringBuffer('//'), 0, 10) != -1
res = res and rfind('a//b//c//d', StringBuffer('//'), 0, 10) != -1
res = res and count('a//b//c//d', StringBuffer('//'), 0, 10) != 0
return res
res = self.interpret(fn, [])
assert res
def test_replace(self):
def fn():
res = True
res = res and replace('abc', 'ab', '--', 0) == 'abc'
res = res and replace('abc', 'xy', '--') == 'abc'
res = res and replace('abc', 'ab', '--', 0) == 'abc'
res = res and replace('abc', 'xy', '--') == 'abc'
return res
res = self.interpret(fn, [])
assert res
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