Add some basic tests #46

	name: Main
	on: [push, pull_request]
	jobs:

	tests:
	name: ${{matrix.go-version}} ${{matrix.os}}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	go-version: ['stable']
	os: [macos-latest, windows-latest, ubuntu-latest]
	include:
	- os: ubuntu-latest
	go-version: ''

	steps:
	- name: Install dependencies (linux)
	if: ${{ matrix.os == 'ubuntu-latest' }}
	run: sudo apt-get update && sudo apt-get install libgl-dev libxcursor-dev libxi-dev libxinerama-dev libxrandr-dev libxxf86vm-dev xvfb

	- name: Check out module
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: ${{matrix.go-version}}
	go-version-file: go.mod

	# Test that the package at least builds on all platforms
	- name: Test build
	run: go build -v ./...

	- name: Run tests
	if: ${{ matrix.os == 'ubuntu-latest' }}
	run: \|
	# Update dependencies here to avoid pulling glfw into go.mod
	go mod tidy
	xvfb-run go test -v

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