permissions:
  contents: read
on:
  push:
    branches: [main]
  pull_request:
# Spend CI time only on latest ref: https://github.com/jonhoo/rust-ci-conf/pull/5
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true
name: safety
jobs:
  sanitizers:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true
      - name: Install nightly
        uses: dtolnay/rust-toolchain@nightly
      - run: |
            # to get the symbolizer for debug symbol resolution
            sudo apt install llvm
            # to fix buggy leak analyzer:
            # https://github.com/japaric/rust-san#unrealiable-leaksanitizer
            sed -i '/\[features\]/i [profile.dev]' Cargo.toml
            sed -i '/profile.dev/a opt-level = 1' Cargo.toml
            cat Cargo.toml
        name: Enable debug symbols
      - name: cargo test -Zsanitizer=address
        # only --lib --tests b/c of https://github.com/rust-lang/rust/issues/53945
        run: cargo test --lib --tests --all-features --target x86_64-unknown-linux-gnu
        env:
          ASAN_OPTIONS: "detect_odr_violation=0:detect_leaks=0"
          RUSTFLAGS: "-Z sanitizer=address"
      - name: cargo test -Zsanitizer=leak
        if: always()
        run: cargo test --all-features --target x86_64-unknown-linux-gnu
        env:
          LSAN_OPTIONS: "suppressions=lsan-suppressions.txt"
          RUSTFLAGS: "-Z sanitizer=leak"
  miri:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true
      - run: |
          echo "NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)" >> $GITHUB_ENV
      - name: Install ${{ env.NIGHTLY }}
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.NIGHTLY }}
          components: miri
      - name: cargo miri test
        run: cargo miri test
        env:
          MIRIFLAGS: ""
  loom:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true
      - name: Install stable
        uses: dtolnay/rust-toolchain@stable
      - name: cargo test --test loom
        run: cargo test --release --test loom
        env:
          LOOM_MAX_PREEMPTIONS: 2
          RUSTFLAGS: "--cfg loom"