include(AddLLVM) # for configure_lit_site_cfg and add_lit_testsuite
include(HandleLitArguments)
macro(pythonize_bool var)
  if (${var})
    set(${var} True)
  else()
    set(${var} False)
  endif()
endmacro()

# Install the library and its dependencies at a fake location so we can run the test
# suite against it. This ensures that we run the test suite against a setup that matches
# what we ship in production as closely as possible (in terms of file paths, rpaths, etc).
set(LIBCXXABI_TESTING_INSTALL_PREFIX "${LIBCXXABI_BINARY_DIR}/test-suite-install")
set(libcxxabi_test_suite_install_targets cxx-headers cxx cxx-modules cxxabi-headers cxxabi)
if (LIBCXXABI_USE_LLVM_UNWINDER AND TARGET unwind)
  list(APPEND libcxxabi_test_suite_install_targets unwind-headers unwind)
endif()
foreach(target IN LISTS libcxxabi_test_suite_install_targets)
  add_custom_target(libcxxabi-test-suite-install-${target} DEPENDS "${target}"
                    COMMAND "${CMAKE_COMMAND}" --install "${CMAKE_BINARY_DIR}"
                                               --prefix "${LIBCXXABI_TESTING_INSTALL_PREFIX}"
                                               --component "${target}")
  add_dependencies(cxxabi-test-depends libcxxabi-test-suite-install-${target})
endforeach()

pythonize_bool(LIBCXXABI_USE_LLVM_UNWINDER)

set(AUTO_GEN_COMMENT "## Autogenerated by libcxxabi configuration.\n# Do not edit!")
set(SERIALIZED_LIT_PARAMS "# Lit parameters serialized here for llvm-lit to pick them up\n")

serialize_lit_string_param(SERIALIZED_LIT_PARAMS compiler "${CMAKE_CXX_COMPILER}")

if (NOT LIBCXXABI_ENABLE_EXCEPTIONS)
  serialize_lit_param(SERIALIZED_LIT_PARAMS enable_exceptions False)
endif()

if (LIBCXXABI_ENABLE_ASSERTIONS)
  serialize_lit_param(SERIALIZED_LIT_PARAMS enable_assertions True)
endif()

serialize_lit_param(SERIALIZED_LIT_PARAMS enable_experimental False)

if (LLVM_USE_SANITIZER)
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS use_sanitizer "${LLVM_USE_SANITIZER}")
endif()

if (CMAKE_CXX_COMPILER_TARGET)
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS target_triple "${CMAKE_CXX_COMPILER_TARGET}")
else()
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS target_triple "${LLVM_DEFAULT_TARGET_TRIPLE}")
endif()

serialize_lit_params_list(SERIALIZED_LIT_PARAMS LIBCXXABI_TEST_PARAMS)

configure_file("${CMAKE_CURRENT_SOURCE_DIR}/configs/cmake-bridge.cfg.in"
               "${CMAKE_CURRENT_BINARY_DIR}/cmake-bridge.cfg"
               @ONLY)

configure_lit_site_cfg(
  "${LIBCXXABI_TEST_CONFIG}"
  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
  MAIN_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py")

add_lit_testsuite(check-cxxabi "Running libcxxabi tests"
  ${CMAKE_CURRENT_BINARY_DIR}
  DEPENDS cxxabi-test-depends)
