Ensure that diagnostic position cannot be less than 0 #301

	name: Testing
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Select Python 3.11
	uses: actions/setup-python@v2
	with:
	python-version: 3.11
	architecture: x64
	- name: Install Dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install wheel
	python -m pip install poetry
	poetry install
	- name: Run linting
	run: poetry run nox -s lint
	- name: Run static type checking
	run: poetry run nox -s typecheck
	tests:
	needs: [lint]
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup, Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	- name: Install Dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install wheel
	python -m pip install poetry
	poetry install
	- name: Run Tests
	run: poetry run nox -s tests
	coverage:
	needs: [lint]
	runs-on: windows-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Select Python 3.11
	uses: actions/setup-python@v2
	with:
	python-version: 3.11
	architecture: x64
	- name: Install Dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install wheel
	python -m pip install poetry
	poetry install
	- name: Run Coverage
	env:
	WITH_COVERAGE: true
	run: poetry run nox -s coverage

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