name: Test

on:
  push:
  pull_request:
  schedule:
    # Weekly, at 5:45 AM on Friday (somewhat randomly chosen).
    - cron: '45 5 * * 5'
  workflow_dispatch:

jobs:
  test:
    strategy:
      matrix:
        platform: [x86, x64]
        os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, windows-2019, windows-2022]
        exclude:
            # 32-bit builds on ubuntu-24.04 fail due to a bug in Ubuntu linux-azure
            # kernel that Github runner images use.
            # See: https://bugs.launchpad.net/ubuntu/+source/linux-signed-azure/+bug/2071445
            # TODO: Remove this exclusion when the bugfix is available on the runners.
          - {platform: x86, os: ubuntu-24.04}
    runs-on: '${{ matrix.os }}'
    name: 'Test: ${{ matrix.os }} / ${{ matrix.platform }}'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Clean up PATH
        uses: egor-tensin/cleanup-path@v3
        if: runner.os == 'Windows'
      - name: Set up Clang
        uses: ./
        with:
          platform: '${{ matrix.platform }}'
          cc: 1
      - name: Build foo.exe
        uses: ./.github/actions/build-foo
      - name: Run foo.exe
        uses: ./.github/actions/run-foo
      - name: Check symlinks
        uses: ./.github/actions/check-cc

  versions:
    strategy:
      matrix:
        os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04]
        version: ['6.0', 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]
        exclude:
          - {os: ubuntu-22.04, version: '6.0'}
          - {os: ubuntu-22.04, version: 6}
          - {os: ubuntu-22.04, version: 7}
          - {os: ubuntu-22.04, version: 8}
          - {os: ubuntu-22.04, version: 9}
          - {os: ubuntu-22.04, version: 10}
          - {os: ubuntu-24.04, version: '6.0'}
          - {os: ubuntu-24.04, version: 6}
          - {os: ubuntu-24.04, version: 7}
          - {os: ubuntu-24.04, version: 8}
          - {os: ubuntu-24.04, version: 9}
          - {os: ubuntu-24.04, version: 10}
          - {os: ubuntu-24.04, version: 11}
          - {os: ubuntu-24.04, version: 12}
          - {os: ubuntu-24.04, version: 13}
    runs-on: '${{ matrix.os }}'
    name: 'Version: ${{ matrix.os }} / ${{ matrix.version }}'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - id: setup
        name: Set up Clang
        uses: ./
        with:
          version: '${{ matrix.version }}'
          platform: '${{ matrix.platform }}'
          cc: 1
      - name: Build foo.exe
        uses: ./.github/actions/build-foo
        with:
          binary: '${{ steps.setup.outputs.clangxx }}'
      - name: Run foo.exe
        uses: ./.github/actions/run-foo
      - name: Check symlinks
        uses: ./.github/actions/check-cc
        with:
          version: '${{ matrix.version }}'

  cygwin:
    strategy:
      matrix:
        hardlinks: [0, 1]
    runs-on: windows-latest
    name: 'Cygwin: hardlinks${{ matrix.hardlinks }}'
    # As of January 2023, clang simply doesn't work on Cygwin.
    # It's also marked "Unmaintained" in the installer.
    continue-on-error: true
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Clean up PATH
        uses: egor-tensin/cleanup-path@v3
      - name: Install Cygwin
        uses: egor-tensin/setup-cygwin@v4
      - name: Set up Clang
        uses: ./
        with:
          cygwin: 1
          cc: 1
          hardlinks: '${{ matrix.hardlinks }}'
      - name: Build foo.exe
        uses: ./.github/actions/build-foo
        if: matrix.hardlinks
      - name: Build foo.exe
        uses: ./.github/actions/build-foo-cygwin
        if: '!matrix.hardlinks'
      - name: Run foo.exe
        uses: ./.github/actions/run-foo
      - name: Check symlinks
        uses: ./.github/actions/check-cc
        if: matrix.hardlinks
      - name: Check symlinks
        uses: ./.github/actions/check-cc-cygwin
        if: '!matrix.hardlinks'