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# Test cases for tuples (compile and run)
[case testTuple]
from typing import List, Optional, Tuple
from typing import Tuple
def f(x: Tuple[int, int]) -> Tuple[int,int]:
return x
def lurr(x: List[Optional[Tuple[int, str]]]) -> object:
return x[0]
def asdf(x: Tuple[int, str]) -> None:
pass
[file driver.py]
from testutil import assertRaises
from native import f, lurr, asdf
assert f((1,2)) == (1, 2)
assert lurr([(1, '2')]) == (1, '2')
with assertRaises(TypeError):
print(lurr([(1, 2)]))
with assertRaises(TypeError):
asdf((1, 2))
[case testTupleGet]
from typing import Tuple
def f(x: Tuple[Tuple[int, bool], int]) -> int:
return x[0][0]
[file driver.py]
from native import f
print(f(((1,True),2)))
big_number = pow(2, 80)
print(f(((big_number,True),2)))
[out]
1
1208925819614629174706176
[case testSequenceTupleArg]
from typing import Tuple
def f(x: Tuple[int, ...]) -> int:
return x[1]
[file driver.py]
from native import f
print(f((1,2,3,4)))
[out]
2
[case testTupleAttr]
from typing import Tuple
class C:
b: Tuple[Tuple[Tuple[int, int], int], int, str, object]
c: Tuple[()]
def f() -> None:
c = C()
c.b = (((1, 2), 2), 1, 'hi', 'hi2')
print(c.b)
def g() -> None:
try:
h()
except Exception:
print('caught the exception')
def h() -> Tuple[Tuple[Tuple[int, int], int], int, str, object]:
raise Exception('Intentional exception')
[file driver.py]
from native import f, g, C
f()
g()
assert not hasattr(C(), 'c')
[out]
(((1, 2), 2), 1, 'hi', 'hi2')
caught the exception
[case testNamedTupleAttributeRun]
from typing import NamedTuple
NT = NamedTuple('NT', [('x', int), ('y', int)])
def f(nt: NT) -> int:
if nt.x > nt.y:
return nt.x
return nt.y
nt = NT(1, 2)
[file driver.py]
from native import NT, nt, f
assert f(nt) == 2
assert f(NT(3, 2)) == 3
class Sub(NT):
pass
assert f(Sub(3, 2)) == 3
[case testTupleOps]
from typing import Tuple, List, Any, Optional
def f() -> Tuple[()]:
return ()
def test_empty_tuple() -> None:
assert f() == ()
def f2() -> Any:
return ()
def test_empty_tuple_with_any_type():
assert f2() == ()
def f3() -> int:
x = (False, 1)
return x[1]
def test_new_tuple() -> None:
assert f3() == 1
def f4(y: int) -> int:
x = (False, y)
return x[1]
def test_new_tuple_boxed_int() -> None:
big_number = 1208925819614629174706176
assert f4(big_number) == big_number
def f5(x: List[int]) -> int:
return tuple(x)[1]
def test_sequence_tuple() -> None:
assert f5([1,2,3,4]) == 2
def f6(x: List[int]) -> int:
return len(tuple(x))
def test_sequence_tuple_len() -> None:
assert f6([1,2,3,4]) == 4
def f7(x: List[Tuple[int, int]]) -> int:
a, b = x[0]
return a + b
def test_unbox_tuple() -> None:
assert f7([(5, 6)]) == 11
# Test that order is irrelevant to unions. Really I only care that this builds.
class A:
pass
def lol() -> A:
return A()
def foo(x: bool, y: bool) -> Tuple[Optional[A], bool]:
z = lol()
return None if y else z, x
def test_slicing() -> None:
# Use dummy adds to avoid constant folding
zero = int()
two = zero + 2
s: Tuple[str, ...] = ("f", "o", "o", "b", "a", "r")
assert s[two:] == ("o", "b", "a", "r")
assert s[:two] == ("f", "o")
assert s[two:-two] == ("o", "b")
assert s[two:two] == ()
assert s[two:two + 1] == ("o",)
assert s[-two:] == ("a", "r")
assert s[:-two] == ("f", "o", "o", "b")
assert s[:] == ("f", "o", "o", "b", "a", "r")
assert s[two:333] == ("o", "b", "a", "r")
assert s[333:two] == ()
assert s[two:-333] == ()
assert s[-333:two] == ("f", "o")
long_int: int = 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000
assert s[1:long_int] == ("o", "o", "b", "a", "r")
assert s[long_int:] == ()
assert s[-long_int:-1] == ("f", "o", "o", "b", "a")
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