# Test the limits of bytecode generation. body = " with f()()() as a:\n try:\n f()()()\n except Exception:\n pass\n" # 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) """ ) # Test overflow of jump offset. for n in (430, 431, 432, 433): try: exec("cond = 0\nif cond:\n" + body * n + "else:\n print('cond false')\n") except RuntimeError: print("RuntimeError")