name: keccak

on:
  pull_request:
    paths:
      - ".github/workflows/keccak.yml"
      - "keccak/**"
      - "Cargo.*"
  push:
    branches: master

defaults:
  run:
    working-directory: keccak

env:
  RUSTFLAGS: "-Dwarnings"
  CARGO_INCREMENTAL: 0

jobs:
  set-msrv:
    uses: RustCrypto/actions/.github/workflows/set-msrv.yml@master
    with:
      msrv: 1.85.0

  build:
    needs: set-msrv
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - ${{needs.set-msrv.outputs.msrv}}
          - stable
        target:
          - thumbv7em-none-eabi
          - wasm32-unknown-unknown
    steps:
      - uses: actions/checkout@v4
      - uses: RustCrypto/actions/cargo-cache@master
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
          targets: ${{ matrix.target }}
      - run: cargo build --no-default-features --target ${{ matrix.target }}

  minimal-versions:
    uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
    with:
      working-directory: ${{ github.workflow }}
      stable-cmd: cargo hack test --release --feature-powerset --skip simd # `simd` requires nightly

  test:
    needs: set-msrv
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - ${{needs.set-msrv.outputs.msrv}}
          - stable
    steps:
      - uses: actions/checkout@v4
      - uses: RustCrypto/actions/cargo-cache@master
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - run: cargo check --no-default-features
      - run: cargo check
      - run: cargo check --features no_unroll
      - run: cargo test --no-default-features
      - run: cargo test
      - run: cargo test --features no_unroll

  test-simd:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: RustCrypto/actions/cargo-cache@master
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
      - run: cargo check --features simd
      - run: cargo test --features simd

  miri:
    runs-on: ubuntu-latest
    env:
      MIRIFLAGS: "-Zmiri-symbolic-alignment-check -Zmiri-strict-provenance"
    strategy:
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - s390x-unknown-linux-gnu
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
      - name: Install Miri
        run: |
          rustup component add miri
          cargo miri setup
      - name: Test with Miri
        run: |
          cargo miri test --target ${{ matrix.target }} --no-default-features
          cargo miri test --target ${{ matrix.target }}
          cargo miri test --target ${{ matrix.target }} --features no_unroll
          cargo miri test --target ${{ matrix.target }} --features simd

  aarch64-sha3:
    needs: set-msrv
    runs-on: ubuntu-latest
    defaults:
      run:
        # Cross mounts only current package, i.e. by default it ignores workspace's Cargo.toml
        working-directory: .
    strategy:
      matrix:
        rust:
          - ${{needs.set-msrv.outputs.msrv}}
          - stable
    steps:
      - uses: actions/checkout@v4
      - uses: RustCrypto/actions/cargo-cache@master
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
          targets: aarch64-unknown-linux-gnu
      - name: Install pre-compiled cross
        run: |
          # We need a recent version for RUSTFLAGS to work.
          wget -O /tmp/binaries.tar.gz https://github.com/cross-rs/cross/releases/download/v0.2.4/cross-x86_64-unknown-linux-gnu.tar.gz
          tar -C /tmp -xzf /tmp/binaries.tar.gz
          mv /tmp/cross ~/.cargo/bin
        shell: bash
      - name: cross test
        run: |
          cd keccak
          # Cross doesn't enable `sha3` by default, but QEMU supports it.
          export RUSTFLAGS="-C target-feature=+sha3"
          cross test --target aarch64-unknown-linux-gnu --no-default-features