circuitpython/tests/basics/slice_indices.py

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# Test builtin slice indices resolution
# A class that returns an item key
class A:
def __getitem__(self, idx):
return idx
# Make sure that we have slices and .indices()
try:
A()[2:5].indices(10)
except:
print("SKIP")
raise SystemExit
print(A()[:].indices(10))
print(A()[2:].indices(10))
print(A()[:7].indices(10))
print(A()[2:7].indices(10))
print(A()[2:7:2].indices(10))
print(A()[2:7:-2].indices(10))
print(A()[7:2:2].indices(10))
print(A()[7:2:-2].indices(10))
print(A()[2:7:2].indices(5))
print(A()[2:7:-2].indices(5))
print(A()[7:2:2].indices(5))
print(A()[7:2:-2].indices(5))