summaryrefslogtreecommitdiffstats
path: root/_test/test_float.py
blob: 4be2e48278ef9e4a8158dcd3d2f061e2d59a61ee (plain)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
# coding: utf-8

import pytest  # NOQA

from .roundtrip import dedent, round_trip, round_trip_dump, round_trip_load  # NOQA

# http://yaml.org/type/int.html is where underscores in integers are defined


class TestFloat:
    def test_round_trip_non_exp(self):
        data = round_trip(
            """\
        - 1.0
        - 1.00
        - 23.100
        - -1.0
        - -1.00
        - -23.100
        - 42.
        - -42.
        - +42.
        - .5
        - +.5
        - -.5
        """
        )
        print(data)
        assert 0.999 < data[0] < 1.001
        assert 0.999 < data[1] < 1.001
        assert 23.099 < data[2] < 23.101
        assert 0.999 < -data[3] < 1.001
        assert 0.999 < -data[4] < 1.001
        assert 23.099 < -data[5] < 23.101
        assert 41.999 < data[6] < 42.001
        assert 41.999 < -data[7] < 42.001
        assert 41.999 < data[8] < 42.001
        assert 0.49 < data[9] < 0.51
        assert 0.49 < data[10] < 0.51
        assert -0.51 < data[11] < -0.49

    def test_round_trip_zeros_0(self):
        data = round_trip(
            """\
        - 0.
        - +0.
        - -0.
        - 0.0
        - +0.0
        - -0.0
        - 0.00
        - +0.00
        - -0.00
        """
        )
        print(data)
        for d in data:
            assert -0.00001 < d < 0.00001

    def Xtest_round_trip_non_exp_trailing_dot(self):
        data = round_trip(
            """\
        """
        )
        print(data)

    def test_yaml_1_1_no_dot(self):
        from ruyaml.error import MantissaNoDotYAML1_1Warning

        with pytest.warns(MantissaNoDotYAML1_1Warning):
            round_trip_load(
                """\
            %YAML 1.1
            ---
            - 1e6
            """
            )


class TestCalculations:
    def test_mul_00(self):
        # issue 149 reported by jan.brezina@tul.cz
        d = round_trip_load(
            """\
        - 0.1
        """
        )
        d[0] *= -1
        x = round_trip_dump(d)
        assert x == '- -0.1\n'