on:
  pull_request:
    branches:
      - "**"
  push:
    branches:
      - "**"

name: Continuous integration

jobs:
  check:
    name: Check
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo check --verbose

  test:
    name: Test Suite
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        features:
          - ""
          - "index-positions"
          - "prohibit-unsafe"
          - "utf16"
          - "index-positions,prohibit-unsafe"
          - "index-positions,utf16"
          - "prohibit-unsafe,utf16"
          - "index-positions,prohibit-unsafe,utf16"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo test --features "${{ matrix.features }}" --verbose

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - uses: Swatinem/rust-cache@v2
      - run: cargo clippy --all-targets --features "backend-pikevm,std,index-positions,prohibit-unsafe,utf16" -- -D warnings

  test-nightly:
    name: Test (Nightly)
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@nightly
      - uses: Swatinem/rust-cache@v2
      - run: cargo test --all-features --verbose

  doc:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - run: cargo doc --verbose --document-private-items
        env:
          RUSTDOCFLAGS: -D warnings