# Core LZ4 functionality testing
name: Core Tests
on:
  push:
  pull_request:

permissions:
  contents: read

concurrency:
  cancel-in-progress: true
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

jobs:
  benchmark:
    name: Benchmark Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install gcc-multilib

    - name: Basic compression test
      run: make -j -C tests test-lz4c V=1

    - name: Full benchmark test
      run: make -j -C tests test-fullbench V=1

    - name: 32-bit benchmark test
      run: make -j -C tests test-fullbench32 V=1

  fuzzer:
    name: Fuzzer Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install gcc-multilib

    - name: Setup memory mapping
      run: sudo sysctl -w vm.mmap_min_addr=4096

    - name: Fuzzer test (64-bit)
      run: make -j -C tests test-fuzzer V=1

    - name: Fuzzer test (32-bit)
      run: make -C tests test-fuzzer32 V=1

  versions:
    name: Version Compatibility Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install gcc-multilib

    - name: Version compatibility test
      run: make -j -C tests versionsTest V=1

  abi:
    name: ABI Compatibility Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install gcc-multilib

    - name: ABI compatibility test
      run: make -j -C tests abiTests V=1

  frame:
    name: LZ4 Frame Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Install dependencies
      run: |
        sudo apt-get update
        sudo apt-get install gcc-multilib

    - name: Frame format test (64-bit)
      run: make -j -C tests test-frametest V=1

    - name: Frame format test (32-bit)
      run: make -j -C tests test-frametest32 V=1

  memory-usage:
    name: Memory Usage Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Test different LZ4_MEMORY_USAGE values
      run: make V=1 -C tests test-compile-with-lz4-memory-usage

  custom-distance:
    name: Custom Configuration Tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Custom LZ4_DISTANCE_MAX test
      run: |
        CPPFLAGS='-DLZ4_DISTANCE_MAX=8000' make V=1 check
        make clean

    - name: Dynamic library linking test
      run: |
        make -C programs lz4-wlib V=1
        make clean

    - name: User memory functions test
      run: |
        make -C tests fullbench-wmalloc V=1
        make clean
        CC="c++ -Wno-deprecated" make -C tests fullbench-wmalloc V=1

  makefile-variables:
    name: Makefile Standard Variables Test
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Test standard variable propagation
      run: make test_stdvars V=1

  block-device:
    name: Block Device Compression Test
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

    - name: Test block device compression
      run: |
        make lz4
        dd if=/dev/zero of=full0.img bs=2M count=1
        BLOCK_DEVICE=$(sudo losetup --show -fP full0.img)
        sudo chmod 666 $BLOCK_DEVICE
        ./lz4 -v $BLOCK_DEVICE -c > /dev/null
        sudo losetup -d $BLOCK_DEVICE
        rm full0.img