test: switch to catch2 unit tests and add some functions #38

	name: CI

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	env:
	BUILD_DIR: ${{ github.workspace }}/build

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	compiler: [gcc, clang]
	build_type: [Debug, Release]

	steps:
	- uses: actions/checkout@v4

	- name: Create build directory
	run: mkdir -p ${{ env.BUILD_DIR }}

	- name: Install Clang
	if: matrix.compiler == 'clang'
	run: \|
	sudo apt-get install -y clang
	sudo update-alternatives --remove-all cc
	sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang 15

	- name: Configure CMake
	run: cmake -B ${{ env.BUILD_DIR }} -S ${{ github.workspace }} -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DHASHMAP_BUILD_TESTS=ON -DHASHMAP_BUILD_EXAMPLES=ON

	- name: Build
	run: cmake --build ${{ env.BUILD_DIR }} --config ${{ matrix.build_type }}

	- name: Install
	run: sudo cmake --install ${{ env.BUILD_DIR }} --config ${{ matrix.build_type }}

	- name: Test
	run: ctest --output-on-failure --test-dir ${{ env.BUILD_DIR }}

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