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In such case, please +# contact "Maintainer" of this script. +# ---------------------------------------------------------------------------- + +PACKAGE_DIR="crc32c" +PACKAGE_NAME="crc32c" +PACKAGE_VERSION=${1:-v2.8} +PACKAGE_URL="https://github.com/ICRAR/crc32c.git" +SOURCE_ROOT="$(pwd)" + +echo "Building ${PACKAGE_NAME} ${PACKAGE_VERSION}" + +# Install system dependencies +dnf install -y gcc-toolset-13 git python3.12 python3.12-devel python3.12-pip + +export PATH="/opt/rh/gcc-toolset-13/root/usr/bin:$PATH" +export CFLAGS="-I/usr/include" +export LDFLAGS="-L/usr/lib64" + +python3.12 -m pip install --upgrade pip setuptools wheel build + +# Clone and checkout +rm -rf "$PACKAGE_DIR" +git clone "$PACKAGE_URL" +cd "${PACKAGE_DIR}" +git checkout "$PACKAGE_VERSION" +git submodule update --init --depth 1 + +# Build wheel +python3.12 -m build --wheel --outdir "${SOURCE_ROOT}/dist/" + +WHEEL=$(find "${SOURCE_ROOT}/dist" -name "${PACKAGE_NAME}-*.whl" | head -1) +if [ -z "$WHEEL" ]; then + echo "ERROR: wheel not found after build" + exit 1 +fi +echo "Wheel: $WHEEL" + +cd "${SOURCE_ROOT}" + +cp "${WHEEL}" "${SOURCE_ROOT}" + +# Install wheel +echo "=== Installing Wheel ===" +python3.12 -m pip install "$WHEEL" + +# Run tests +echo "=== Running Tests ===" + +echo "Test 1: Import and version" +python3.12 -c " +import ${PACKAGE_NAME} +from importlib.metadata import version +print('Import successful:', ${PACKAGE_NAME}.__file__) +print('Version:', version('${PACKAGE_NAME}')) +print('Import and version: OK') +" + +echo "Test 2: Basic checksum correctness" +python3.12 -c " +import crc32c +result = crc32c.crc32c(b'hello world') +expected = 0xC99465AA +assert result == expected, f'Expected {expected:#010x}, got {result:#010x}' +print(f'crc32c(b\"hello world\") = {result:#010x}: OK') +" + +echo "Test 3: Empty input" +python3.12 -c " +import crc32c +result = crc32c.crc32c(b'') +expected = 0x00000000 +assert result == expected, f'Expected {expected:#010x}, got {result:#010x}' +print(f'crc32c(b\"\") = {result:#010x}: OK') +" + +echo "Test 4: Incremental / chained checksum" +python3.12 -c " +import crc32c +crc = crc32c.crc32c(b'hello ') +crc = crc32c.crc32c(b'world', crc) +expected = crc32c.crc32c(b'hello world') +assert crc == expected, f'Incremental mismatch: {crc:#010x} != {expected:#010x}' +print(f'Incremental checksum = {crc:#010x}: OK') +" + +echo "Test 5: Single zero byte" +python3.12 -c " +import crc32c +result = crc32c.crc32c(b'\x00') +expected = 0x527D5351 +assert result == expected, f'Expected {expected:#010x}, got {result:#010x}' +print(f'crc32c(b\"\\x00\") = {result:#010x}: OK') +" + +echo "Test 6: All 0xFF bytes" +python3.12 -c " +import crc32c +result = crc32c.crc32c(b'\xff' * 32) +print(f'crc32c(0xFF * 32) = {result:#010x}: OK (non-zero check)') +assert result != 0, 'Expected non-zero checksum for 0xFF buffer' +" + +echo "Test 7: Bytearray and memoryview inputs" +python3.12 -c " +import crc32c +data = b'hello world' +ref = crc32c.crc32c(data) +ba_result = crc32c.crc32c(bytearray(data)) +mv_result = crc32c.crc32c(memoryview(data)) +assert ba_result == ref, f'bytearray mismatch: {ba_result:#010x}' +assert mv_result == ref, f'memoryview mismatch: {mv_result:#010x}' +print(f'bytearray input = {ba_result:#010x}: OK') +print(f'memoryview input = {mv_result:#010x}: OK') +" + +echo "Test 8: Large buffer (1 MB)" +python3.12 -c " +import crc32c +data = b'A' * (1024 * 1024) +result = crc32c.crc32c(data) +assert isinstance(result, int) and 0 <= result <= 0xFFFFFFFF, 'Result out of uint32 range' +print(f'crc32c(1 MB of A) = {result:#010x}: OK') +" + +echo "Test 9: Hardware acceleration flag" +python3.12 -c " +import crc32c +hw = crc32c.hardware_based +print(f'Hardware acceleration: {hw}') +print('Hardware flag check: OK') +" + +echo -e "\n=== Build Complete ===" \ No newline at end of file