circuitpython/tests/cpydiff/syntax_literal_underscore.py
Jeff Epler 8648e6d1cf tests/cpydiff: Add test of underscore-in-literals.
Signed-off-by: Jeff Epler <jepler@gmail.com>
2025-05-16 11:52:03 +10:00

19 lines
537 B
Python

"""
categories: Syntax,Literals
description: MicroPython accepts underscores in numeric literals where CPython doesn't
cause: Different parser implementation
MicroPython's tokenizer ignores underscores in numeric literals, while CPython
rejects multiple consecutive underscores and underscores after the last digit.
workaround: Remove the underscores not accepted by CPython.
"""
try:
print(eval("1__1"))
except SyntaxError:
print("Should not work")
try:
print(eval("1_"))
except SyntaxError:
print("Should not work")