# 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. for n in (433, 432, 431, 430): try: exec("cond = 0\nif cond:\n" + body * n + "else:\n print('cond false')\n") except MemoryError: print("SKIP") raise SystemExit except RuntimeError: print("RuntimeError") # 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) """ )