name: CI

on: [push, pull_request]

jobs:
  test:
    name: Test Suite
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust:
          - stable
          - beta
          - nightly
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Run cargo test
        run: cargo test

  test-msrv:
    name: Test Suite
    runs-on: [ubuntu-latest, windows-latest]
    strategy:
      matrix:
        rust:
          - 1.70.0
          - stable
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
      - name: Run cargo test
        # Exclude doctests here, as we don't want to clutter docs themselves
        # with backwards compatibility workarounds.
        run: cargo test --lib

  style:
    name: lints and formatting
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: 1.70.0 # pin a version for reproducible results
          components: rustfmt
      - name: Check warnings
        run: RUSTFLAGS="-D warnings" cargo check --all-targets
      - name: Check formatting
        run: cargo fmt -- --check