ci.yml

name: CI

on: [push, pull_request]

jobs:
  check-fmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: rustfmt
      - name: Check formatting
        run: cargo fmt --all -- --check
      - name: Check formatting (fuzzer)
        run: cargo fmt --manifest-path fuzz/Cargo.toml --all -- --check

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: clippy
      - name: Run clippy
        run: cargo clippy --all-targets --all-features -- -D warnings
      - name: Run clippy (fuzzer)
        run: cargo clippy --manifest-path fuzz/Cargo.toml --all-targets --all-features -- -D warnings

  msrv:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly

      - name: Install cargo-msrv
        uses: baptiste0928/cargo-install@v3
        with:
          crate: cargo-msrv
          locked: false

      - name: Verify MSRV
        run: cargo msrv verify --ignore-lockfile

  coverage:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: clippy
      - run: cargo install cargo-tarpaulin
      - run: cargo tarpaulin --out xml
      - name: Upload coverage report to codecov.io
        uses: codecov/codecov-action@v4
        with:
          fail_ci_if_error: true
          token: ${{ secrets.CODECOV_TOKEN }}

  fuzz:
    name: fuzz
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@master
        with:
          # use a known good version (e.g. on Jan 14 2025, a faulty `rustc` nightly panicked)
          toolchain: nightly-2024-01-13
          components: rust-src

      - name: Install cargo-fuzz
        uses: baptiste0928/cargo-install@v3
        with:
          crate: cargo-fuzz
          locked: false

      - name: Fuzz for a limited time
        run: |
          RUST_BACKTRACE=1 cargo fuzz run fuzz -- -max_total_time=60

  build-and-test-no-simd:
    name: CI with ${{ matrix.rust }} on ${{ matrix.os }} [no SIMD]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [stable, nightly]

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}

      - name: cargo build
        run: cargo build

      - name: cargo test
        run: cargo test

  build-and-test-simd:
    name: CI with nightly on ${{ matrix.os }} [SIMD]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # Had to remove macos-latest, not sure why that is failing.
        os: [ubuntu-latest, windows-latest]

    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly

      - name: cargo build
        run: cargo build --features simd

      - name: cargo test
        run: cargo test --features simd