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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import pytest
from packaging._structures import Infinity, NegativeInfinity
def test_infinity_repr():
assert repr(Infinity) == "Infinity"
def test_negative_infinity_repr():
assert repr(NegativeInfinity) == "-Infinity"
def test_infinity_hash():
assert hash(Infinity) == hash(Infinity)
def test_negative_infinity_hash():
assert hash(NegativeInfinity) == hash(NegativeInfinity)
@pytest.mark.parametrize("left", [1, "a", ("b", 4)])
def test_infinity_comparison(left):
assert left < Infinity
assert left <= Infinity
assert not left == Infinity
assert left != Infinity
assert not left > Infinity
assert not left >= Infinity
@pytest.mark.parametrize("left", [1, "a", ("b", 4)])
def test_negative_infinity_lesser(left):
assert not left < NegativeInfinity
assert not left <= NegativeInfinity
assert not left == NegativeInfinity
assert left != NegativeInfinity
assert left > NegativeInfinity
assert left >= NegativeInfinity
def test_infinity_equal():
assert Infinity == Infinity
def test_negative_infinity_equal():
assert NegativeInfinity == NegativeInfinity
def test_negate_infinity():
assert isinstance(-Infinity, NegativeInfinity.__class__)
def test_negate_negative_infinity():
assert isinstance(-NegativeInfinity, Infinity.__class__)
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