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name: Smoke-Test Fuzz Targets

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

jobs:
  fuzz:
    runs-on: ubuntu-latest

    env:
      # 要安装和使用的 cargo-fuzz 版本。
      CARGO_FUZZ_VERSION: 0.12.0

      # 运行模糊测试目标的秒数。300 秒 = 5 分钟。
      FUZZ_TIME: 300

    strategy:
      matrix:
        include:
          # TODO: 在此列出你的模糊测试目标。
          - fuzz_target: my_first_fuzz_target
          - fuzz_target: my_second_fuzz_target
          # 等等...

    steps:
    - uses: actions/checkout@v4

    # 安装 nightly Rust 工具链。
    - run: rustup toolchain install nightly
    - run: rustup default nightly

    # 安装并缓存 cargo-fuzz。
    - uses: actions/cache@v4
      with:
        path: ${{ runner.tool_cache }}/cargo-fuzz
        key: cargo-fuzz-bin-${{ env.CARGO_FUZZ_VERSION }}
    - run: echo "${{ runner.tool_cache }}/cargo-fuzz/bin" >> $GITHUB_PATH
    - run: cargo install --root "${{ runner.tool_cache }}/cargo-fuzz" --version ${{ env.CARGO_FUZZ_VERSION }} cargo-fuzz --locked

    # 构建并运行模糊测试目标。
    - run: cargo fuzz build ${{ matrix.fuzz_target }}
    - run: cargo fuzz run ${{ matrix.fuzz_target }} -- -max_total_time=${{ env.FUZZ_TIME }}

    # 失败时上传模糊测试产物以便事后调试。
    - uses: actions/upload-artifact@v4
      if: failure()
      with:
        name: fuzzing-artifacts-${{ matrix.fuzz_target }}-${{ github.sha }}
        path: fuzz/artifacts