# ---------------------------------------------------------------
# Programmer(s): David J. Gardner @ LLNL
# ---------------------------------------------------------------
# SUNDIALS Copyright Start
# Copyright (c) 2002-2025, Lawrence Livermore National Security
# and Southern Methodist University.
# All rights reserved.
#
# See the top-level LICENSE and NOTICE files for details.
#
# SPDX-License-Identifier: BSD-3-Clause
# SUNDIALS Copyright End
# ---------------------------------------------------------------
# ARKODE C serial unit tests
# ---------------------------------------------------------------

# List of test tuples of the form "name\;args"
set(ARKODE_unit_tests
    "ark_test_adapt\;"
    "ark_test_arkstepsetforcing\;1 0"
    "ark_test_arkstepsetforcing\;1 1"
    "ark_test_arkstepsetforcing\;1 2"
    "ark_test_arkstepsetforcing\;1 3"
    "ark_test_arkstepsetforcing\;1 4"
    "ark_test_arkstepsetforcing\;1 5"
    "ark_test_arkstepsetforcing\;1 3 2.0 10.0"
    "ark_test_arkstepsetforcing\;1 3 2.0 10.0 2.0 8.0"
    "ark_test_arkstepsetforcing\;1 3 2.0 10.0 1.0 5.0"
    "ark_test_forcingstep\;"
    "ark_test_getuserdata\;"
    "ark_test_innerstepper\;"
    "ark_test_interp\;-100"
    "ark_test_interp\;-10000"
    "ark_test_interp\;-1000000"
    "ark_test_mass\;"
    "ark_test_reset\;"
    "ark_test_splittingstep_coefficients\;"
    "ark_test_tstop\;")

# Add the build and install targets for each test
foreach(test_tuple ${ARKODE_unit_tests})

  # parse the test tuple
  list(GET test_tuple 0 test)
  list(GET test_tuple 1 test_args)

  # check if this test has already been added, only need to add test source
  # files once for testing with different inputs
  if(NOT TARGET ${test})

    # test source files
    sundials_add_executable(${test} ${test}.c)

    set_target_properties(${test} PROPERTIES FOLDER "unit_tests")

    # include location of public and private header files
    target_include_directories(
      ${test} PRIVATE $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>
                      ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/src)

    # We explicitly choose which object libraries to link to and link in the
    # arkode objects so that we have access to private functions w/o changing
    # their visibility in the installed libraries.
    target_link_libraries(
      ${test}
      $<TARGET_OBJECTS:sundials_arkode_obj>
      sundials_sunmemsys_obj
      sundials_nvecserial_obj
      sundials_nvecmanyvector_obj
      sundials_sunlinsolband_obj
      sundials_sunlinsoldense_obj
      sundials_sunnonlinsolnewton_obj
      sundials_sunadaptcontrollerimexgus_obj
      sundials_sunadaptcontrollersoderlind_obj
      sundials_adjointcheckpointscheme_fixed_obj
      ${EXE_EXTRA_LINK_LIBS})

    # Tell CMake that we depend on the ARKODE library since it does not pick
    # that up from $<TARGET_OBJECTS:sundials_arkode_obj>.
    add_dependencies(${test} sundials_arkode_obj)

  endif()

  # check if test args are provided and set the test name
  if("${test_args}" STREQUAL "")
    set(test_name ${test})
  else()
    string(REPLACE " " "_" test_name "${test}_${test_args}")
    string(REPLACE " " ";" test_args "${test_args}")
  endif()

  # add test to regression tests
  add_test(NAME ${test_name} COMMAND ${test} ${test_args})

endforeach()

message(STATUS "Added ARKODE C serial unit tests")