name: Ubuntu

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
    - name: install_gcc
      run: |
           sudo apt update
           sudo apt install gcc-10 g++-10
      shell: bash
    - name: cmake
      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
      env:
        CC:   gcc-10
        CXX:  g++-10
    - name: build
      run: cmake --build build --parallel 10
    - name: test
      run: cd build ; ctest -j 10 --output-on-failure