name: Rust

on:
  push:
    branches: [ '*' ]
  pull_request:
    branches: [ 'main', 'develop', 'release/2.0' ]

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: '-D warnings'

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # 32-bit target
          - target: i686-unknown-linux-gnu
            deps: sudo apt update && sudo apt install gcc-multilib

          # 64-bit target
          - target: x86_64-unknown-linux-gnu
    steps:
      - uses: actions/checkout@v3
      - uses: dtolnay/rust-toolchain@stable
      - run: rustup target add ${{ matrix.target }}
      - run: ${{ matrix.deps }}
      - run: cargo test --target ${{ matrix.target }}

  test-simd:
    name: Test simd backend (nightly)
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: nightly
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: test
        args: --no-default-features --features "std nightly simd_backend"

  test-defaults-serde:
    name: Test default feature selection and serde
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: stable
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: test
        args: --features "serde"

  test-alloc-u32:
    name: Test no_std+alloc
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: stable
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: test
        args: --lib --no-default-features --features "alloc"

  test-batch-deterministic:
    name: Test deterministic batch verification
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: stable
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: test
        args: --features "batch_deterministic"

  msrv:
    name: Current MSRV is 1.56.1
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: 1.56.1
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: build

  bench:
    name: Check that benchmarks compile
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: stable
        override: true
    - uses: actions-rs/cargo@v1
      with:
        command: bench
        # This filter selects no benchmarks, so we don't run any, only build them.
        args: --features "batch" "nonexistentbenchmark"