def test_any_range_some_true(self):
e = Enumerable(range(10))
result = e.any(lambda x: x == 9)
self.assertTrue(result)
def test_any_dict_empty(self):
d = dict()
e = Enumerable(d)
result = e.any(lambda x: True)
self.assertFalse(result)
def test_any_dict_predicate_exists(self):
d = {'a': 1, 'b': 2}
e = Enumerable(d)
result = e.any(lambda x: x.isalpha())
self.assertTrue(result)
def test_any_dict_predicate_not_exists(self):
d = {'a': 1, 'b': 2}
e = Enumerable(d)
result = e.any(lambda x: x.isdigit())
self.assertFalse(result)
def test_any_range_predicate_not_exists(self):
e = Enumerable(range(10))
result = e.any(lambda x: x > 100)
self.assertFalse(result)