test-rust.yml

name: Test Rust

on:
  pull_request:
    branches: ["main", "main-*"]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  test_rust:
    name: Test Rust
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Print Machine Specs
        shell: bash
        run: |
          echo "::group::Machine Information"
          uname -a || true
          cat /proc/cpuinfo 2>/dev/null | head -30 || sysctl -a machdep.cpu 2>/dev/null | head -30 || wmic cpu get Name,NumberOfCores,MaxClockSpeed 2>/dev/null || true
          free -h 2>/dev/null || vm_stat 2>/dev/null || systeminfo 2>/dev/null | head -20 || true
          echo "::endgroup::"

      - name: Install Rust Toolchain
        uses: moonrepo/setup-rust@v1

      - name: Install Cross-Compilation Targets and Dependencies
        run: |
          rustup target add i686-unknown-linux-gnu
          rustup target add armv7-unknown-linux-gnueabihf
          sudo dpkg --add-architecture i386
          sudo apt-get update
          # Install i686 multilib and ARM cross-compiler separately to avoid
          # gcc-multilib vs gcc-arm-linux-gnueabihf package conflicts.
          sudo apt-get install -y gcc-multilib g++-multilib libc6-dev-i386
          sudo apt-get install -y gcc-14-arm-linux-gnueabihf

      - name: Test Default Build
        run: cargo test

      - name: Test with All Features
        run: cargo test --all-features

      - name: Test No-Std Build (Check Only)
        run: cargo check --no-default-features

      - name: Test i686 Cross-Compilation Build
        run: cargo build --target i686-unknown-linux-gnu --features std

      - name: Test i686 Cross-Compilation (No-Std)
        run: cargo build --target i686-unknown-linux-gnu --no-default-features

      # 32-bit ARM — catches AArch64-only intrinsics leaking into NEON paths
      - name: Test ARMv7 Cross-Compilation Build
        env:
          CC_armv7_unknown_linux_gnueabihf: arm-linux-gnueabihf-gcc-14
          CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER: arm-linux-gnueabihf-gcc-14
        run: cargo build --target armv7-unknown-linux-gnueabihf --features std

      - name: Test ARMv7 Cross-Compilation (No-Std)
        env:
          CC_armv7_unknown_linux_gnueabihf: arm-linux-gnueabihf-gcc-14
          CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER: arm-linux-gnueabihf-gcc-14
        run: cargo build --target armv7-unknown-linux-gnueabihf --no-default-features