"""Relative JSON Pointer test cases."""

import pytest

from jsonpath import JSONPointer

from jsonpath import RelativeJSONPointer

from jsonpath import RelativeJSONPointerIndexError

from jsonpath import RelativeJSONPointerSyntaxError

def test_syntax_error() -> None:

with pytest.raises(RelativeJSONPointerSyntaxError):

RelativeJSONPointer("foo")

def test_origin_leading_zero() -> None:

with pytest.raises(RelativeJSONPointerSyntaxError):

RelativeJSONPointer("01")

def test_origin_beyond_pointer() -> None:

pointer = JSONPointer("/foo/bar/0")

rel = RelativeJSONPointer("9/foo")

with pytest.raises(RelativeJSONPointerIndexError):

rel.to(pointer)

def test_equality() -> None:

rel = RelativeJSONPointer("1/foo")

assert rel == RelativeJSONPointer("1/foo")

def test_zero_index_offset() -> None:

with pytest.raises(RelativeJSONPointerSyntaxError):

RelativeJSONPointer("1-0")

with pytest.raises(RelativeJSONPointerSyntaxError):

RelativeJSONPointer("1+0")

def test_negative_index_offset() -> None:

pointer = JSONPointer("/foo/1")

rel = RelativeJSONPointer("0-2")

with pytest.raises(RelativeJSONPointerIndexError):

rel.to(pointer)