# See adjacent README.rst for documentation of this test infrastructure.

macro(add_RunCMake_test test)
  set(TEST_ARGS ${ARGN})
  if ("${ARGV1}" STREQUAL "TEST_DIR")
    if ("${ARGV2}" STREQUAL "")
      message(FATAL_ERROR "Invalid args")
    endif()
    set(Test_Dir ${ARGV2})
    list(REMOVE_AT TEST_ARGS 0)
    list(REMOVE_AT TEST_ARGS 0)
  else()
    set(Test_Dir ${test})
  endif()
  add_test(NAME RunCMake.${test} COMMAND ${CMAKE_CMAKE_COMMAND}
    -DCMAKE_MODULE_PATH=${CMAKE_CURRENT_SOURCE_DIR}
    -DRunCMake_GENERATOR=${CMAKE_GENERATOR}
    -DRunCMake_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
    -DRunCMake_GENERATOR_TOOLSET=${CMAKE_GENERATOR_TOOLSET}
    -DRunCMake_MAKE_PROGRAM=${CMake_TEST_EXPLICIT_MAKE_PROGRAM}
    -DRunCMake_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${Test_Dir}
    -DRunCMake_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/${test}
    ${${test}_ARGS}
    ${TEST_ARGS}
    -P "${CMAKE_CURRENT_SOURCE_DIR}/${Test_Dir}/RunCMakeTest.cmake"
    )
endmacro()

function(add_RunCMake_test_group test types)
  # create directory for common content
  set(TEST_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/${test}/conf")
  file(REMOVE_RECURSE "${TEST_CONFIG_DIR}")
  file(MAKE_DIRECTORY "${TEST_CONFIG_DIR}")

  foreach(type IN LISTS types)
    # generate prerequirements config file in cmake as ctest doesn't have as
    # much system information so it is easier to set programs and environment
    # values here
    unset(${test}_${type}_FOUND_PREREQUIREMENTS)
    include("${CMAKE_CURRENT_SOURCE_DIR}/${test}/${type}/Prerequirements.cmake")
    get_test_prerequirements("${test}_${type}_FOUND_PREREQUIREMENTS"
        "${TEST_CONFIG_DIR}/${type}_config.cmake")

    # only add the test if prerequirements are met
    if(${test}_${type}_FOUND_PREREQUIREMENTS)
      add_test(NAME RunCMake.${test}_${type} COMMAND ${CMAKE_CMAKE_COMMAND}
        -DTEST_TYPE=${type}
        -DCMAKE_MODULE_PATH=${CMAKE_CURRENT_SOURCE_DIR}
        -DRunCMake_GENERATOR=${CMAKE_GENERATOR}
        -DRunCMake_GENERATOR_PLATFORM=${CMAKE_GENERATOR_PLATFORM}
        -DRunCMake_GENERATOR_TOOLSET=${CMAKE_GENERATOR_TOOLSET}
        -DRunCMake_MAKE_PROGRAM=${CMake_TEST_EXPLICIT_MAKE_PROGRAM}
        -DRunCMake_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${test}
        -DRunCMake_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}/${type}/${test}
        -Dconfig_file=${TEST_CONFIG_DIR}/${type}_config.cmake
        -P "${CMAKE_CURRENT_SOURCE_DIR}/${test}/RunCMakeTest.cmake"
        )
    endif()
  endforeach()
endfunction()

if(XCODE_VERSION AND "${XCODE_VERSION}" VERSION_LESS 6.1)
  set(Swift_ARGS -DXCODE_BELOW_6_1=1)
endif()

# Test MSVC for older host CMake versions, and test
# WIN32/CMAKE_C_COMPILER_ID to fix check on Intel for Windows.
if(MSVC OR (WIN32 AND CMAKE_C_COMPILER_ID MATCHES "MSVC|Intel"))
  set(GeneratorExpression_ARGS -DLINKER_SUPPORTS_PDB=1)
endif()

add_RunCMake_test(CMP0019)
add_RunCMake_test(CMP0022)
add_RunCMake_test(CMP0026)
add_RunCMake_test(CMP0027)
add_RunCMake_test(CMP0028)
add_RunCMake_test(CMP0037)
add_RunCMake_test(CMP0038)
add_RunCMake_test(CMP0039)
add_RunCMake_test(CMP0040)
add_RunCMake_test(CMP0041)
if(CMAKE_SYSTEM_NAME MATCHES Darwin AND CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
  add_RunCMake_test(CMP0042)
endif()
add_RunCMake_test(CMP0043)
add_RunCMake_test(CMP0045)
add_RunCMake_test(CMP0046)
add_RunCMake_test(CMP0049)
add_RunCMake_test(CMP0050)
add_RunCMake_test(CMP0051)
add_RunCMake_test(CMP0053)
add_RunCMake_test(CMP0054)
add_RunCMake_test(CMP0055)
add_RunCMake_test(CMP0057)
add_RunCMake_test(CMP0059)
add_RunCMake_test(CMP0060)
add_RunCMake_test(CMP0064)
if(CMAKE_SYSTEM_NAME MATCHES Darwin AND CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
  add_RunCMake_test(CMP0068)
endif()
add_RunCMake_test(CMP0069)

# The test for Policy 65 requires the use of the
# CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS variable, which both the VS and Xcode
# generators ignore.  The policy will have no effect on those generators.
if(NOT CMAKE_GENERATOR MATCHES "Visual Studio|Xcode")
  add_RunCMake_test(CMP0065)
endif()
if(CMAKE_GENERATOR MATCHES "Make")
  add_RunCMake_test(Make)
endif()
if(CMAKE_GENERATOR STREQUAL "Ninja")
  set(Ninja_ARGS
    -DCMAKE_C_OUTPUT_EXTENSION=${CMAKE_C_OUTPUT_EXTENSION}
    -DCMAKE_SHARED_LIBRARY_PREFIX=${CMAKE_SHARED_LIBRARY_PREFIX}
    -DCMAKE_SHARED_LIBRARY_SUFFIX=${CMAKE_SHARED_LIBRARY_SUFFIX})
  add_RunCMake_test(Ninja)
endif()
add_RunCMake_test(CTest)

if(NOT CMake_TEST_EXTERNAL_CMAKE)
  add_RunCMake_test(ctest_memcheck
    -DPSEUDO_BC=$<TARGET_FILE:pseudo_BC>
    -DPSEUDO_PURIFY=$<TARGET_FILE:pseudo_purify>
    -DPSEUDO_VALGRIND=$<TARGET_FILE:pseudo_valgrind>
    -DPSEUDO_BC_NOLOG=$<TARGET_FILE:pseudonl_BC>
    -DPSEUDO_PURIFY_NOLOG=$<TARGET_FILE:pseudonl_purify>
    -DPSEUDO_VALGRIND_NOLOG=$<TARGET_FILE:pseudonl_valgrind>
    -DMEMCHECK_FAIL=$<TARGET_FILE:memcheck_fail>
    )
endif()

add_RunCMake_test(AndroidTestUtilities)
add_RunCMake_test(BuildDepends)
if(UNIX AND "${CMAKE_GENERATOR}" MATCHES "Unix Makefiles|Ninja")
  add_RunCMake_test(CompilerChange)
endif()
add_RunCMake_test(CompilerNotFound)
add_RunCMake_test(Configure)
add_RunCMake_test(DisallowedCommands)
add_RunCMake_test(ExternalData)
add_RunCMake_test(FeatureSummary)
add_RunCMake_test(FPHSA)
if(NOT CMAKE_C_COMPILER_ID MATCHES "Watcom")
  add_RunCMake_test(GenerateExportHeader)
endif()
add_RunCMake_test(GeneratorExpression)
add_RunCMake_test(GeneratorPlatform)
add_RunCMake_test(GeneratorToolset)
add_RunCMake_test(GNUInstallDirs -DSYSTEM_NAME=${CMAKE_SYSTEM_NAME})
add_RunCMake_test(GoogleTest) # Note: does not actually depend on Google Test
add_RunCMake_test(TargetPropertyGeneratorExpressions)
add_RunCMake_test(Languages)
add_RunCMake_test(LinkStatic)
add_RunCMake_test(ObjectLibrary)
if(UNIX AND CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG AND CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
  add_RunCMake_test(RuntimePath)
endif()
add_RunCMake_test(Swift)
add_RunCMake_test(TargetObjects)
add_RunCMake_test(TargetSources)
add_RunCMake_test(ToolchainFile)
add_RunCMake_test(find_dependency)
add_RunCMake_test(CompileDefinitions)
add_RunCMake_test(CompileFeatures)
add_RunCMake_test(PolicyScope)
add_RunCMake_test(WriteCompilerDetectionHeader)
if(NOT WIN32)
  add_RunCMake_test(PositionIndependentCode)
endif()
if(NOT CMAKE_GENERATOR MATCHES "Visual Studio")
  add_RunCMake_test(VisibilityPreset)
endif()
if (QT4_FOUND)
  set(CompatibleInterface_ARGS -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE})
endif()
add_RunCMake_test(CompatibleInterface)
add_RunCMake_test(Syntax)

add_RunCMake_test(add_custom_command)
add_RunCMake_test(add_custom_target)
add_RunCMake_test(add_dependencies)
add_RunCMake_test(add_executable)
add_RunCMake_test(add_library)
add_RunCMake_test(add_subdirectory)
add_RunCMake_test(build_command)
add_executable(exit_code exit_code.c)
set(execute_process_ARGS -DEXIT_CODE_EXE=$<TARGET_FILE:exit_code>)
if(NOT CMake_TEST_EXTERNAL_CMAKE)
  list(APPEND execute_process_ARGS -DTEST_ENCODING_EXE=$<TARGET_FILE:testEncoding>)
endif()
add_RunCMake_test(execute_process)
add_RunCMake_test(export)
add_RunCMake_test(cmake_minimum_required)
add_RunCMake_test(cmake_parse_arguments)
add_RunCMake_test(continue)
add_RunCMake_test(ctest_build)
add_RunCMake_test(ctest_cmake_error)
add_RunCMake_test(ctest_configure)
if(COVERAGE_COMMAND)
  add_RunCMake_test(ctest_coverage -DCOVERAGE_COMMAND=${COVERAGE_COMMAND})
endif()
add_RunCMake_test(ctest_start)
add_RunCMake_test(ctest_submit)
add_RunCMake_test(ctest_test)
add_RunCMake_test(ctest_disabled_test)
add_RunCMake_test(ctest_skipped_test)
add_RunCMake_test(ctest_upload)
add_RunCMake_test(ctest_fixtures)
add_RunCMake_test(file)
add_RunCMake_test(find_file)
add_RunCMake_test(find_library)
add_RunCMake_test(find_package)
add_RunCMake_test(find_path)
add_RunCMake_test(find_program -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
add_RunCMake_test(get_filename_component)
add_RunCMake_test(get_property)
add_RunCMake_test(if)
add_RunCMake_test(include)
add_RunCMake_test(include_directories)
add_RunCMake_test(include_guard)
add_RunCMake_test(list)
add_RunCMake_test(message)
add_RunCMake_test(project -DCMake_TEST_RESOURCES=${CMake_TEST_RESOURCES})
add_RunCMake_test(return)
add_RunCMake_test(separate_arguments)
add_RunCMake_test(set_property)
add_RunCMake_test(string)
add_RunCMake_test(test_include_dirs)

function(add_RunCMake_test_try_compile)
  if(CMAKE_VERSION VERSION_LESS 3.9.20170907 AND "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
    # Older CMake versions do not know about MSVC language standards.
    # Approximate our logic from MSVC-CXX.cmake.
    if ((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.0.24215.1 AND
         CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.10) OR
       CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.10.25017)
      set(CMAKE_CXX_STANDARD_DEFAULT 14)
    elseif (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.0)
      set(CMAKE_CXX_STANDARD_DEFAULT "")
    else()
      unset(CMAKE_CXX_STANDARD_DEFAULT)
    endif()
  endif()
  foreach(var
      CMAKE_C_COMPILER_ID
      CMAKE_C_COMPILER_VERSION
      CMAKE_C_STANDARD_DEFAULT
      CMAKE_CXX_COMPILER_ID
      CMAKE_CXX_COMPILER_VERSION
      CMAKE_CXX_STANDARD_DEFAULT
      CMake_TEST_CUDA
      )
    if(DEFINED ${var})
      list(APPEND try_compile_ARGS -D${var}=${${var}})
    endif()
  endforeach()
  add_RunCMake_test(try_compile)
endfunction()
add_RunCMake_test_try_compile()

add_RunCMake_test(try_run)
add_RunCMake_test(set)
add_RunCMake_test(variable_watch)
add_RunCMake_test(while)
add_RunCMake_test(CMP0004)
add_RunCMake_test(TargetPolicies)
add_RunCMake_test(alias_targets)
add_RunCMake_test(interface_library)
add_RunCMake_test(no_install_prefix)
add_RunCMake_test(configure_file)
add_RunCMake_test(CTestTimeoutAfterMatch)

find_package(Qt4 QUIET)
find_package(Qt5Core QUIET)
if (QT4_FOUND AND Qt5Core_FOUND AND NOT Qt5Core_VERSION VERSION_LESS 5.1.0)
  add_RunCMake_test(IncompatibleQt)
endif()
if (QT4_FOUND)
  add_RunCMake_test(ObsoleteQtMacros -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE})
endif()

find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
  add_RunCMake_test(FindPkgConfig)
endif()

find_package(GTK2 QUIET)
if (GTK2_FOUND)
  add_RunCMake_test(FindGTK2)
endif()

if("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
  add_RunCMake_test(include_external_msproject)
  if("${CMAKE_GENERATOR}" MATCHES "Visual Studio ([89]|10)" AND NOT CMAKE_VS_DEVENV_COMMAND)
    set(NO_USE_FOLDERS 1)
  endif()
  add_RunCMake_test(VSSolution -DNO_USE_FOLDERS=${NO_USE_FOLDERS})
endif()

if("${CMAKE_GENERATOR}" MATCHES "Visual Studio ([^89]|[89][0-9])")
  add_RunCMake_test(VS10Project)
endif()

if(XCODE_VERSION)
  add_RunCMake_test(XcodeProject -DXCODE_VERSION=${XCODE_VERSION})
endif()

if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang"
    AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0)
  add_RunCMake_test(Framework)
endif()

add_RunCMake_test(File_Generate)
add_RunCMake_test(ExportWithoutLanguage)
add_RunCMake_test(target_link_libraries)

add_RunCMake_test(target_compile_features)
add_RunCMake_test(CheckModules)
add_RunCMake_test(CheckIPOSupported)
add_RunCMake_test(CommandLine -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
add_RunCMake_test(CommandLineTar)

add_RunCMake_test(install)
add_RunCMake_test(CPackConfig)
add_RunCMake_test(CPackInstallProperties)
add_RunCMake_test(ExternalProject)
add_RunCMake_test(CTestCommandLine)
# Only run this test on unix platforms that support
# symbolic links
if(UNIX)
  add_RunCMake_test(CPackSymlinks)
endif()

set(IfacePaths_INCLUDE_DIRECTORIES_ARGS -DTEST_PROP=INCLUDE_DIRECTORIES)
add_RunCMake_test(IfacePaths_INCLUDE_DIRECTORIES TEST_DIR IfacePaths)

set(IfacePaths_SOURCES_ARGS -DTEST_PROP=SOURCES)
add_RunCMake_test(IfacePaths_SOURCES TEST_DIR IfacePaths)

add_RunCMake_test(COMPILE_LANGUAGE-genex)

# Matlab module related tests
if(CMake_TEST_FindMatlab)
  add_RunCMake_test(FindMatlab)
endif()

add_executable(pseudo_emulator pseudo_emulator.c)
add_executable(pseudo_emulator_custom_command pseudo_emulator_custom_command.c)
add_RunCMake_test(CrosscompilingEmulator
 -DPSEUDO_EMULATOR=$<TARGET_FILE:pseudo_emulator>
 -DPSEUDO_EMULATOR_CUSTOM_COMMAND=$<TARGET_FILE:pseudo_emulator_custom_command>)
if("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
  if(UNIX AND NOT CYGWIN)
    execute_process(COMMAND ldd --help
      OUTPUT_VARIABLE LDD_HELP
      ERROR_VARIABLE LDD_ERR)
    if("${LDD_HELP}" MATCHES
        "(-r, --function-relocs.*process data and function relocations.*-u, --unused.*print unused direct dependencies)")
      add_RunCMake_test(LinkWhatYouUse)
    endif()
  endif()
  add_executable(pseudo_tidy pseudo_tidy.c)
  add_executable(pseudo_iwyu pseudo_iwyu.c)
  add_executable(pseudo_cpplint pseudo_cpplint.c)
  add_executable(pseudo_cppcheck pseudo_cppcheck.c)
  add_RunCMake_test(ClangTidy -DPSEUDO_TIDY=$<TARGET_FILE:pseudo_tidy>)
  add_RunCMake_test(IncludeWhatYouUse -DPSEUDO_IWYU=$<TARGET_FILE:pseudo_iwyu>)
  add_RunCMake_test(Cpplint -DPSEUDO_CPPLINT=$<TARGET_FILE:pseudo_cpplint>)
  add_RunCMake_test(Cppcheck -DPSEUDO_CPPCHECK=$<TARGET_FILE:pseudo_cppcheck>)
  if(DEFINED CMake_TEST_CUDA)
    list(APPEND CompilerLauncher_ARGS -DCMake_TEST_CUDA=${CMake_TEST_CUDA})
  endif()
  add_RunCMake_test(CompilerLauncher)
  add_RunCMake_test(ctest_labels_for_subprojects)
endif()

add_RunCMake_test_group(CPack "DEB;RPM;7Z;TBZ2;TGZ;TXZ;TZ;ZIP;STGZ")
# add a test to make sure symbols are exported from a shared library
# for MSVC compilers CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS property is used
add_RunCMake_test(AutoExportDll)

add_RunCMake_test(AndroidMK)

if(CMake_TEST_ANDROID_NDK OR CMake_TEST_ANDROID_STANDALONE_TOOLCHAIN)
  if(NOT "${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
    message(FATAL_ERROR "Android tests supported only by Makefile and Ninja generators")
  endif()
  foreach(v TEST_ANDROID_NDK TEST_ANDROID_STANDALONE_TOOLCHAIN)
    if(CMake_${v})
      string(REPLACE ";" "|" ${v} "${CMake_${v}}")
      list(APPEND Android_ARGS "-D${v}=${${v}}")
    endif()
  endforeach()

  add_RunCMake_test(Android)

  # This test can take a very long time due to lots of combinations.
  # Use a long default timeout and provide an option to customize it.
  if(NOT DEFINED CMake_TEST_ANDROID_TIMEOUT)
    set(CMake_TEST_ANDROID_TIMEOUT 3000)
  endif()
  set_property(TEST RunCMake.Android PROPERTY TIMEOUT ${CMake_TEST_ANDROID_TIMEOUT})
endif()

if(${CMAKE_GENERATOR} MATCHES "Visual Studio ([^89]|[89][0-9])")
  add_RunCMake_test(CSharpCustomCommand)
endif()