8000 tests/stress: Add test for maximum length limit of qstrs. · rlangoy/micropython@1675b98 · GitHub
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tests/stress: Add test for maximum length limit of qstrs.
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‎tests/stress/qstr_limit.py

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# Test interning qstrs that go over the limit of the maximum qstr length
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# (which is 255 bytes for the default configuration)
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def make_id(n, base='a'):
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return ''.join(chr(ord(base) + i % 26) for i in range(n))
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# identifiers in parser
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for l in range(254, 259):
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g = {}
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var = make_id(l)
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try:
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exec(var + '=1', g)
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except RuntimeError:
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print('RuntimeError', l)
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continue
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print(var in g)
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# calling a function with kwarg
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def f(**k):
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print(k)
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for l in range(254, 259):
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try:
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exec('f({}=1)'.format(make_id(l)))
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except RuntimeError:
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print('RuntimeError', l)
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# type construction
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for l in range(254, 259):
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id = make_id(l)
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try:
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print(type(id, (), {}).__name__)
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except RuntimeError:
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print('RuntimeError', l)
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# hasattr, setattr, getattr
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class A:
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pass
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for l in range(254, 259):
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id = make_id(l)
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a = A()
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try:
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setattr(a, id, 123)
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except RuntimeError:
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print('RuntimeError', l)
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try:
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print(hasattr(a, id), getattr(a, id))
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except RuntimeError:
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print('RuntimeError', l)
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# format with keys
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for l in range(254, 259):
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id = make_id(l)
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try:
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print(('{' + id + '}').format(**{id: l}))
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except RuntimeError:
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print('RuntimeError', l)
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# modulo format with keys
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for l in range(254, 259):
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id = make_id(l)
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try:
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print(('%(' + id + ')d') % {id: l})
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except RuntimeError:
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print('RuntimeError', l)
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# import module
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# (different OS's have different results so only print those that are consistent)
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for l in range(150, 259):
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try:
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__import__(make_id(l))
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except ImportError:
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if l < 152:
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print('ok', l)
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except RuntimeError:
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if l > 255:
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print('RuntimeError', l)
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# import package
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for l in range(125, 130):
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try:
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exec('import ' + make_id(l) + '.' + make_id(l, 'A'))
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except ImportError:
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print('ok', l)
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except RuntimeError:
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print('RuntimeError', l)

‎tests/stress/qstr_limit.py.exp

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True
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True
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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{'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrst': 1}
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{'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstu': 1}
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrst
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abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstu
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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True 123
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True 123
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RuntimeError 256
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RuntimeError 256
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RuntimeError 257
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RuntimeError 257
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RuntimeError 258
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RuntimeError 258
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254
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255
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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254
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255
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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ok 150
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ok 151
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RuntimeError 256
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RuntimeError 257
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RuntimeError 258
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ok 125
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ok 126
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ok 127
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RuntimeError 128
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RuntimeError 129

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