diff options
Diffstat (limited to 'rpython/rlib/test/test_rstring.py')
| -rw-r--r-- | rpython/rlib/test/test_rstring.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/rpython/rlib/test/test_rstring.py b/rpython/rlib/test/test_rstring.py index 18b5103e54..b8b0cd8482 100644 --- a/rpython/rlib/test/test_rstring.py +++ b/rpython/rlib/test/test_rstring.py @@ -27,6 +27,11 @@ def test_split(): 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'] @@ -164,6 +169,12 @@ def test_unicode_replace_overflow(): 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'] |