rustpy 0.3.0

Bindings of Rust programming language primitives.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

from typing import Tuple

from hypothesis import given

from rustpy.primitive import bool_
from tests.utils import (Primitive,
                         equivalence,
                         implication)
from . import strategies


@given(strategies.comparable_primitives_pairs)
def test_basic(pair: Tuple[Primitive, Primitive]) -> None:
    first, second = pair

    result = first < second

    assert isinstance(result, bool_)


@given(strategies.comparable_primitives)
def test_irreflexivity(primitive: Primitive) -> None:
    assert not primitive < primitive


@given(strategies.comparable_primitives_pairs)
def test_asymmetry(pair: Tuple[Primitive, Primitive]) -> None:
    first, second = pair

    assert implication(first < second, not second < first)


@given(strategies.comparable_primitives_triplets)
def test_transitivity(triplet: Tuple[Primitive, Primitive, Primitive]) -> None:
    first, second, third = triplet

    assert implication(first < second < third, first < third)


@given(strategies.comparable_primitives_pairs)
def test_equivalents(pair: Tuple[Primitive, Primitive]) -> None:
    first, second = pair

    result = first < second

    assert equivalence(result, second > first)
    assert equivalence(result, second >= first != second)
    assert equivalence(result, first <= second != first)