Bump actions/checkout from 3 to 4 #39

	name: Run Tests
	'on':
	push:
	branches:
	- '**'
	paths:
	- src/*
	- tests/**
	- .github/workflows/test.yml
	- .gitmodules
	workflow_dispatch: ~
	jobs:
	unit-tests:
	runs-on: ubuntu-latest
	name: Run Unit Tests
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Compile and run unit tests
	shell: bash
	run: \|
	shopt -s globstar extglob
	g++ -Og -Isrc tests/unit/*/.cpp src/!(main).cpp
	./a.out
	cli-tests-unix:
	strategy:
	matrix:
	os:
	- ubuntu-latest
	- macos-latest
	runs-on: ${{ matrix.os }}
	name: Run CLI Tests for ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- name: Build and run tests
	shell: bash
	run: \|
	g++ -Og -std=gnu++17 src/*.cpp -o trilangle
	export PATH="${PATH}:${PWD}"
	for script in tests/cli/*/index.sh
	do
	echo "Running ${script}..."
	"$script"
	done
	cli-tests-windows:
	runs-on: windows-latest
	name: Run CLI Tests for Windows
	steps:
	- uses: actions/checkout@v4
	- uses: ilammy/msvc-dev-cmd@v1.12.1
	- name: Compile C++ sources
	shell: pwsh
	run: \|
	cl .\src\*.cpp /Od /EHs /std:c++20 /MTd /link /out:trilangle
	- name: Run test scripts
	# Screw it, I'm not figuring out how to make this work in PowerShell.
	shell: bash
	run: \|
	export PATH="${PATH}:${PWD}"
	for script in tests/cli/*/index.sh
	do
	echo "Running ${script}..."
	"$script"
	done

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