micropython/tests/basics/string_fstring_invalid.py
Damien George 30a9ccf4ca tests/basics: Move str/bytes tests that give SyntaxWarning to sep file.
In CPython 3.12 these invalid str/bytes/fstring escapes will issue a
SyntaxWarning, and so differ to MicroPython.

Signed-off-by: Damien George <damien@micropython.org>
2024-05-28 10:58:37 +10:00

14 lines
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Python

# PEP-0498 specifies that '\\' and '#' must be disallowed explicitly, whereas
# MicroPython relies on the syntax error as a result of the substitution.
print(f"\\")
print(f"#")
try:
eval("f'{\}'")
except SyntaxError:
print("SyntaxError")
try:
eval("f'{#}'")
except SyntaxError:
print("SyntaxError")