Test

Add unittest for safe cast for (u)int4 type; remove safe cast from int8 to int4 types #256

	name: Test

	on:
	# Trigger the workflow on push or pull request, but only on main branch
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	permissions:
	contents: read # to fetch code

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- uses: pre-commit/[email protected]
	build:
	name: ${{ matrix.os }} Python ${{ matrix.python-version }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: ["ubuntu-latest"]
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	include:
	- os: macOS-11
	python-version: "3.11"
	- os: windows-2019
	python-version: "3.11"

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[dev]
	- name: Run tests
	run: \|
	pytest -n auto

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