kopia lustrzana https://github.com/micropython/micropython
tests/micropython: Add set of tests for extreme cases of raising exc's.
rodzic
1bfc774a08
commit
5995a199a3
|
@ -0,0 +1,75 @@
|
|||
# test some extreme cases of allocating exceptions and tracebacks
|
||||
|
||||
import micropython
|
||||
|
||||
# some ports need to allocate heap for the emergency exception
|
||||
try:
|
||||
micropython.alloc_emergency_exception_buf(256)
|
||||
except AttributeError:
|
||||
pass
|
||||
|
||||
def main():
|
||||
# create an exception with many args while heap is locked
|
||||
# should revert to empty tuple for args
|
||||
micropython.heap_lock()
|
||||
e = Exception(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
|
||||
micropython.heap_unlock()
|
||||
print(repr(e))
|
||||
|
||||
# create an exception with a long formatted error message while heap is locked
|
||||
# should use emergency exception buffer and truncate the message
|
||||
def f():
|
||||
pass
|
||||
micropython.heap_lock()
|
||||
try:
|
||||
f(abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=1)
|
||||
except Exception as er:
|
||||
e = er
|
||||
micropython.heap_unlock()
|
||||
print(repr(e)[:50])
|
||||
|
||||
# create an exception with a long formatted error message while heap is low
|
||||
# should use the heap and truncate the message
|
||||
lst = []
|
||||
while 1:
|
||||
try:
|
||||
lst = [lst]
|
||||
except MemoryError:
|
||||
break
|
||||
try:
|
||||
f(abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz=1)
|
||||
except Exception as er:
|
||||
e = er
|
||||
lst = None
|
||||
print(repr(e))
|
||||
|
||||
# raise a deep exception with the heap locked
|
||||
# should use emergency exception and be unable to resize traceback array
|
||||
def g():
|
||||
g()
|
||||
micropython.heap_lock()
|
||||
try:
|
||||
g()
|
||||
except Exception as er:
|
||||
e = er
|
||||
micropython.heap_unlock()
|
||||
print(repr(e))
|
||||
|
||||
# create an exception on the heap with some traceback on the heap, but then
|
||||
# raise it with the heap locked so it can't allocate any more traceback
|
||||
exc = Exception('my exception')
|
||||
try:
|
||||
raise exc
|
||||
except:
|
||||
pass
|
||||
def h(e):
|
||||
raise e
|
||||
micropython.heap_lock()
|
||||
try:
|
||||
h(exc)
|
||||
except Exception as er:
|
||||
e = er
|
||||
micropython.heap_unlock()
|
||||
print(repr(e))
|
||||
|
||||
main()
|
|
@ -0,0 +1,5 @@
|
|||
Exception()
|
||||
TypeError("unexpected keyword argument 'abcdefghij
|
||||
TypeError("unexpected keyword argument 'abc",)
|
||||
RuntimeError('maximum recursion depth exceeded',)
|
||||
Exception('my exception',)
|
Ładowanie…
Reference in New Issue