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name: Code Coverage

on:
  push:
    branches: [ master ]
  schedule:
    - cron: "0 11 * * *"

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      CC: clang
      CXX: clang++
      BUILD_TYPE: Debug
      CMAKE_GENERATOR: Ninja
      COV_DETAILS_PATH: ${{github.workspace}}/cov-details

    steps:
    - uses: actions/checkout@v4

    - name: Setup
      run: |
        sudo apt-get remove -y --purge man-db
        sudo apt-get update -y
        sudo apt-get install -y gcovr ninja-build llvm clang

    ## Building
    - name: Configure CMake Z3
      run: CFLAGS=="--coverage" CXXFLAGS="--coverage" LDFLAGS="-lgcov" cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_INSTALL_PREFIX=./install

    - name: Build Z3
      run: cmake --build ${{github.workspace}}/build --target install --config ${{env.BUILD_TYPE}}

    - name: Build test-z3
      run: cmake --build ${{github.workspace}}/build --target test-z3 --config ${{env.BUILD_TYPE}}

    - name: Build examples
      run: |
        cmake --build ${{github.workspace}}/build --target c_example
        cmake --build ${{github.workspace}}/build --target cpp_example
        cmake --build ${{github.workspace}}/build --target z3_tptp5
        cmake --build ${{github.workspace}}/build --target c_maxsat_example

    - name: Clone z3test
      run: git clone https://github.com/z3prover/z3test z3test

    ## Testing
    - name: Run test-z3
      run: |
        cd ${{github.workspace}}/build
        ./test-z3 -a
        cd -

# Disabled:       ${{github.workspace}}/build/examples/c_example_build_dir/c_example

    - name: Run examples
      run: |
        ${{github.workspace}}/build/examples/cpp_example_build_dir/cpp_example
        ${{github.workspace}}/build/examples/tptp_build_dir/z3_tptp5 --help
        ${{github.workspace}}/build/examples/c_maxsat_example_build_dir/c_maxsat_example ${{github.workspace}}/examples/maxsat/ex.smt

    - name: Run regressions
      run: |
        python z3test/scripts/test_benchmarks.py build/z3 z3test/regressions/smt2
        python z3test/scripts/test_benchmarks.py build/z3 z3test/regressions/smt2-debug
        python z3test/scripts/test_benchmarks.py build/z3 z3test/regressions/smt2-extra

    - name: Run coverage tests
      run: python z3test/scripts/test_coverage_tests.py ./install z3test/coverage/cpp

    ## Artifact
    - name: Gather coverage
      run: |
        cd ${{github.workspace}}
        gcovr --html coverage.html --gcov-ignore-parse-errors --gcov-executable "llvm-cov gcov" .
        cd -

    - name: Gather detailed coverage
      run: |
        cd ${{github.workspace}}
        mkdir cov-details
        gcovr --html-details ${{env.COV_DETAILS_PATH}}/coverage.html --gcov-ignore-parse-errors --gcov-executable "llvm-cov gcov" -r `pwd`/src --object-directory `pwd`/build
        cd -

    - name: Get date
      id: date
      run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT

    - uses: actions/upload-artifact@v4
      with:
        name: coverage-${{steps.date.outputs.date}}
        path: ${{github.workspace}}/coverage.html
        retention-days: 4

    - uses: actions/upload-artifact@v4
      with:
        name: coverage-details-${{steps.date.outputs.date}}
        path: ${{env.COV_DETAILS_PATH}}
        retention-days: 4