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# tests that differ when running under Python 3.4 vs 3.5/3.6/3.7
try:
exec
except NameError:
print("SKIP")
raise SystemExit
# from basics/fun_kwvarargs.py
# test evaluation order of arguments (in 3.4 it's backwards, 3.5 it's fixed)
def f4(*vargs, **kwargs):
print(vargs, kwargs)
def print_ret(x):
print(x)
return x
f4(*print_ret(['a', 'b']), kw_arg=print_ret(None))
# test evaluation order of dictionary key/value pair (in 3.4 it's backwards)
{print_ret(1):print_ret(2)}
# from basics/syntaxerror.py
def test_syntax(code):
try:
exec(code)
except SyntaxError:
print("SyntaxError")
test_syntax("f(*a, *b)") # can't have multiple * (in 3.5 we can)
test_syntax("f(**a, **b)") # can't have multiple ** (in 3.5 we can)
test_syntax("f(*a, b)") # can't have positional after *
test_syntax("f(**a, b)") # can't have positional after **
test_syntax("() = []") # can't assign to empty tuple (in 3.6 we can)
test_syntax("del ()") # can't delete empty tuple (in 3.6 we can)
# from basics/sys1.py
# uPy prints version 3.4
import usys
print(usys.version[:3])
print(usys.version_info[0], usys.version_info[1])
# from basics/exception1.py
# in 3.7 no comma is printed if there is only 1 arg (in 3.4-3.6 one is printed)
print(repr(IndexError("foo")))
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