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Fixes empty string bug in str isalpha method #2484

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merged 1 commit into from
Feb 7, 2024
Merged

Fixes empty string bug in str isalpha method #2484

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3 changes: 3 additions & 0 deletions integration_tests/test_str_01.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,14 +42,17 @@ def test_str_isalpha():
b: str = "hj kl"
c: str = "a12(){}A"
d: str = " "
e: str = ""
res: bool = a.isalpha()
res2: bool = b.isalpha()
res3: bool = c.isalpha()
res4: bool = d.isalpha()
res5: bool = e.isalpha()
assert res == True
assert res2 == False
assert res3 == False
assert res4 == False
assert res5 == False


def test_str_title():
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1 change: 1 addition & 0 deletions lpython
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Submodule lpython added at 467081
1 change: 1 addition & 0 deletions src/runtime/lpython_builtin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,7 @@ def _lpython_str_join(s:str, lis:list[str]) -> str:

def _lpython_str_isalpha(s: str) -> bool:
ch: str
if len(s) == 0: return False
for ch in s:
ch_ord: i32 = ord(ch)
if 65 <= ch_ord and ch_ord <= 90:
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