fix test failure due to file handle cleanup #35 #40

	name: CMake

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

	env:
	# Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
	BUILD_TYPE: Release

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

	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Configure CMake
	run: cmake -B ${{github.workspace}}/build -S ${{github.workspace}} -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} --trace-expand

	- name: Build
	# Build your program with the given configuration
	run: cmake --build ${{github.workspace}}/build --verbose --clean-first --config ${{env.BUILD_TYPE}}

	- name: Test
	working-directory: ${{github.workspace}}/build
	# Execute tests defined by the CMake configuration.
	# See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
	run: ctest -C ${{env.BUILD_TYPE}}

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