kopia lustrzana https://github.com/micropython/micropython
63 wiersze
1.2 KiB
Python
63 wiersze
1.2 KiB
Python
# check that we can do certain things without allocating heap memory
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import micropython
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# Check for stackless build, which can't call functions without
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# allocating a frame on heap.
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try:
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def stackless():
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pass
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micropython.heap_lock()
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stackless()
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micropython.heap_unlock()
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except RuntimeError:
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print("SKIP")
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raise SystemExit
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def f1(a):
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print(a)
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def f2(a, b=2):
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print(a, b)
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def f3(a, b, c, d):
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x1 = x2 = a
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x3 = x4 = b
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x5 = x6 = c
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x7 = x8 = d
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print(x1, x3, x5, x7, x2 + x4 + x6 + x8)
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def f4():
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return True, b"bytes", ()
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global_var = 1
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def test():
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global global_var, global_exc
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global_var = 2 # set an existing global variable
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for i in range(2): # for loop
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f1(i) # function call
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f1(i * 2 + 1) # binary operation with small ints
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f1(a=i) # keyword arguments
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f2(i) # default arg (second one)
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f2(i, i) # 2 args
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f1((1, "two", (b"three",))) # use a constant tuple
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f3(1, 2, 3, 4) # function with lots of local state
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for i in 1, "two": # iterate over constant tuple
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print(i)
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print(f4()) # returns a constant tuple
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# call test() with heap allocation disabled
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micropython.heap_lock()
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test()
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micropython.heap_unlock()
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