Used the GitHub actions wizard to create a workflow for configuring, …

…building and testing the library - and tweaked it. Also added a badge for the `README.md` regarding test passage.

.github/workflows/build_and_test.yml

@@ -0,0 +1,47 @@
+name: tests
+
+on:
+  push:
+    branches: [ master, develop, github-actions-ci ]
+  pull_request:
+    branches: [ master, develop, github-actions-ci ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+  EXTRA_CONFIG_OPTIONS: -DBUILD_TESTS:BOOL=ON
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
+    # You can convert this to a matrix build if you need cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ${{env.EXTRA_CONFIG_OPTIONS}}
+
+    - name: Build
+      # Build your program with the given configuration
+      run: cmake --build ${{github.workspace}}/build --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}} --output-on-failure
+
+#    - name: Upload code coverage report as an artifact
+#      uses: actions/upload-artifact@v2
+#      with:
+#        name: codecov_report
+#        path: codecov_report.html
+
+#    - name: Upload code coverage reports to codecov.io page
+#      run: bash <(curl -s https://codecov.io/bash)
+

.gitignore

@@ -8,6 +8,7 @@ syntax: glob
 # Files which "ask" to be hidden
 *~
 .*
+!.github
 unused/
 
 # Build artifacts

README.md

@@ -1,5 +1,6 @@
 # Standalone printf/sprintf formatted printing function library
 
+[![tests passing](https://github.com/eyalroz/printf/actions/workflows/build_and_test.yml/badge.svg)](https://github.com/eyalroz/printf/actions/workflows/build_and_test.yml)
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/eyalroz/printf/master/LICENSE)
 [![Github Bug-type issues](https://shields.io/github/issues-search/eyalroz/printf?query=is:open%20is:issue%20label:bug&label=open%20bugs)](http://github.com/eyalroz/printf/issues)
 <sup>Parent repository: </sup>[![Github issues (original repo)](https://img.shields.io/github/issues/mpaland/printf.svg)](http://github.com/mpaland/printf/issues)