utest.F90

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! Copyright (c) 2024 The YAC Authors
!
! SPDX-License-Identifier: BSD-3-Clause
 
module utest
 
   implicit none
 
   private
 
   public :: utest_start_test, utest_stop_test, utest_start_timer, &
             utest_stop_timer, utest_v_r, utest_r, utest_exit_tests
 
   integer :: utest_testcount, utest_errorcount
   real    :: start, end
 
contains
 
   subroutine utest_start_test (name)
      character(len=*), intent(in) :: name
      utest_errorcount = 0
      utest_testcount = 0
      print *, "testing ", name, ":"
   end subroutine utest_start_test
 
   subroutine utest_stop_test ()
      if (utest_errorcount == 0) then
         print *, "all",utest_testcount, "test(s) succeeded"
      else
         write(0,*) utest_errorcount, " out of ", &
                    utest_testcount, " test(s) failed"
      endif
   end subroutine utest_stop_test
 
   subroutine utest_start_timer (name)
      character(len=*), intent(in) :: name
      call cpu_time(start)
      print *, "start timing ", name
   end subroutine utest_start_timer
 
   subroutine utest_stop_timer ()
      call cpu_time(end)
      print '(" elapsed time:",f6.3," seconds.")',end-start
   end subroutine utest_stop_timer
 
   subroutine utest_v_r(arg, file, line)
 
      logical, intent(in) :: arg
      integer, intent(in) :: line
      character(len=*), intent(in) :: file
 
      utest_testcount = utest_testcount + 1
      if (arg) then
         print *, "- test", utest_testcount, "succeeded"
         return
      else
         utest_errorcount = utest_errorcount + 1
         write(0,*) "- test", utest_testcount, "failed (",file," :", line, ")"
      endif
 
   end subroutine utest_v_r
 
   subroutine utest_r(arg, file, line)
 
      logical, intent(in) :: arg
      integer, intent(in) :: line
      character(len=*), intent(in) :: file
 
      utest_testcount = utest_testcount + 1
      if (arg) then
         print *, "- test", utest_testcount, "succeeded"
         return
      else
         utest_errorcount = utest_errorcount + 1
         write(0,*) "- test", utest_testcount, "failed (",file," :", line, ")"
      endif
 
   end subroutine utest_r
 
   subroutine utest_exit_tests()
 
      if (utest_errorcount > 0) then
         stop 1
      endif
   end subroutine utest_exit_tests
 
end module utest