micropython/tests/basics/for_range.py

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Python

# test for+range, mostly to check optimisation of this pair
# apply args using *
for x in range(*(1, 3)):
print(x)
for x in range(1, *(6, 2)):
print(x)
# zero step
try:
for x in range(1, 2, 0):
pass
except ValueError:
print('ValueError')
# apply args using **
try:
for x in range(**{'end':1}):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, **{'end':1}):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, 1, **{'step':1}):
print(x)
except TypeError:
print('TypeError')
# keyword args
try:
for x in range(end=1):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, end=1):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(start=0, end=1):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, 1, step=1):
print(x)
except TypeError:
print('TypeError')
# argument is a comprehension
try:
for x in range(0 for i in []):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, (0 for i in [])):
print(x)
except TypeError:
print('TypeError')
try:
for x in range(0, 1, (0 for i in [])):
print(x)
except TypeError:
print('TypeError')