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# Test the limits of bytecode generation.
body = " with f()()() as a:\n try:\n f()()()\n except Exception:\n pass\n"
# Test overflow of jump offset.
# Print results at the end in case an intermediate value of n fails with MemoryError.
results = []
for n in (433, 432, 431, 430):
try:
exec("cond = 0\nif cond:\n" + body * n + "else:\n print('cond false')\n")
results.append((n, "ok"))
except MemoryError:
print("SKIP")
raise SystemExit
except RuntimeError:
results.append((n, "RuntimeError"))
print(results)
# Test changing size of code info (source line/bytecode mapping) due to changing
# bytecode size in the final passes. This test is very specific to how the
# code info is encoded, and how jump offsets shrink in the final passes. This
# test should fail if the bytecode emitter doesn't correctly handle shrinking of
# the code info section.
exec(
"""
x = 0
if x:
"""
+ body * 13
+ """
x = [1 if x else 123]
print(x)
"""
)
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