Tests

Make inter-packet delay configurable via --delay-ms (#8) #17

	name: Tests

	on:
	push:
	branches: [master, develop, tests]
	pull_request:
	branches: [master, develop, tests]

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]

	defaults:
	run:
	shell: ${{ matrix.os == 'windows-latest' && 'msys2 {0}' \|\| 'bash' }}

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Set up MSYS2 (Windows)
	if: runner.os == 'Windows'
	uses: msys2/setup-msys2@v2
	with:
	msystem: MINGW64
	install: mingw-w64-x86_64-gcc make mingw-w64-x86_64-gtest

	- name: Install dependencies (Linux)
	if: runner.os == 'Linux'
	run: \|
	sudo apt-get update
	sudo apt-get install -y libgtest-dev

	- name: Install dependencies (macOS)
	if: runner.os == 'macOS'
	run: brew install googletest

	- name: Build program
	run: \|
	if [ "$RUNNER_OS" == "Windows" ]; then
	make program LDLIBS_WIN="-lws2_32"
	else
	make program
	fi

	- name: Build tests
	run: \|
	if [ "$RUNNER_OS" == "macOS" ]; then
	GTEST_PREFIX=$(brew --prefix googletest)
	make gtests GTEST_CFLAGS="-I${GTEST_PREFIX}/include" GTEST_LDFLAGS="-L${GTEST_PREFIX}/lib"
	else
	make gtests
	fi

	- name: Run tests
	run: ./GTests --gtest_filter=*

	- name: Run E2E loopback tests
	# Skip on Windows: SO_REUSEADDR semantics on Winsock cause one socket
	# to silently capture all loopback traffic, which breaks two-process
	# localhost tests. The protocol works fine across separate hosts.
	if: runner.os != 'Windows'
	run: make e2e

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