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Parse nonfinite numbers inside inline tables #464

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13 changes: 13 additions & 0 deletions tests/test_api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import pytest
import os
import sys
import math
from decimal import Decimal

from toml.decoder import InlineTableDict
Expand Down Expand Up @@ -103,6 +104,18 @@ class TestDict(dict, InlineTableDict):
assert o == toml.loads(toml.dumps(o, encoder=encoder))


@pytest.mark.parametrize(
'value', ['inf', 'nan', '+inf', '+nan', '-inf', '-nan', '+1']
)
def test_inline_numeric_values_match_regular_table(value):
expected = toml.loads('n = {}'.format(value))['n']
actual = toml.loads('t = {{n = {}}}'.format(value))['t']['n']
if math.isnan(expected):
assert math.isnan(actual)
else:
assert actual == expected


def test_array_sep():
encoder = toml.TomlArraySeparatorEncoder(separator=",\t")
d = {"a": [1, 2, 3]}
Expand Down
3 changes: 2 additions & 1 deletion toml/decoder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -665,7 +665,8 @@ def load_inline_object(self, line, currentlevel, multikey=False,
raise ValueError("Invalid inline table encountered")
value = value.strip()
if ((value[0] == value[-1] and value[0] in ('"', "'")) or (
value[0] in '-0123456789' or
value[0] in '+-0123456789' or
value.lower() in ('inf', 'nan') or
value in ('true', 'false') or
(value[0] == "[" and value[-1] == "]") or
(value[0] == '{' and value[-1] == '}'))):
Expand Down