MODULE ncdf_fail_tgv
  use pio_tutil
  implicit none

  ! tgv = test global vars
  character(len=PIO_TF_MAX_STR_LEN), parameter :: tgv_fname = "pio_ncdf_test_file.nc"
  integer :: tgv_iotype
END MODULE ncdf_fail_tgv

PIO_TF_AUTO_TEST_SUB_BEGIN test_clob_then_no_clob
  use ncdf_fail_tgv
  Implicit none
  type(file_desc_t) :: pio_file
  character(len=PIO_TF_MAX_STR_LEN), parameter :: clob_fname = "pio_clob_test_file.nc"
  integer :: ret

  ret = PIO_createfile(pio_tf_iosystem_, pio_file, tgv_iotype, clob_fname, PIO_CLOBBER)
  PIO_TF_CHECK_ERR(ret, "Failed to create:" // trim(clob_fname))

  call PIO_closefile(pio_file)

  ret = PIO_createfile(pio_tf_iosystem_, pio_file, tgv_iotype, clob_fname, PIO_NOCLOBBER)
  PIO_TF_PASSERT(ret /= PIO_NOERR, "Create file with clobber then no clobber did not fail as expected")

  ! No close since createfile should fail
  call PIO_deletefile(pio_tf_iosystem_, clob_fname)

PIO_TF_AUTO_TEST_SUB_END test_clob_then_no_clob

PIO_TF_AUTO_TEST_SUB_BEGIN test_redef_with_no_write
  use ncdf_fail_tgv
  Implicit none
  type(file_desc_t) :: pio_file
  integer :: ret

  ret = PIO_openfile(pio_tf_iosystem_, pio_file, tgv_iotype, tgv_fname, PIO_nowrite)
  PIO_TF_CHECK_ERR(ret, "Failed to open:" // trim(tgv_fname))

  ! A simple redef and then enddef
  ret = PIO_redef(pio_file)
  PIO_TF_PASSERT(ret /= PIO_NOERR, "Redef with nowrite did not fail as expected")

  ! No enddef because redef is expected to fail
  call PIO_closefile(pio_file)

PIO_TF_AUTO_TEST_SUB_END test_redef_with_no_write

PIO_TF_AUTO_TEST_SUB_BEGIN test_redef_twice
  use ncdf_fail_tgv
  Implicit none
  type(file_desc_t) :: pio_file
  integer :: ret

  ret = PIO_openfile(pio_tf_iosystem_, pio_file, tgv_iotype, tgv_fname, PIO_write)
  PIO_TF_CHECK_ERR(ret, "Failed to open:" // trim(tgv_fname))

  ! A simple redef and then enddef
  ret = PIO_redef(pio_file)
  PIO_TF_CHECK_ERR(ret, "Failed to enter redef mode" // trim(tgv_fname))

  ret = PIO_redef(pio_file)
  PIO_TF_PASSERT(ret /= PIO_NOERR, "Entering redef twice did not fail as expected")

  ret = PIO_enddef(pio_file)
  PIO_TF_CHECK_ERR(ret, "Failed to end redef mode" // trim(tgv_fname))

  call PIO_closefile(pio_file)

PIO_TF_AUTO_TEST_SUB_END test_redef_twice

PIO_TF_TEST_DRIVER_BEGIN
  use ncdf_fail_tgv
  Implicit none
  type(file_desc_t) :: pio_file
  integer :: ret, i
  ! iotypes = valid NC types
  integer, dimension(:), allocatable :: iotypes
  character(len=PIO_TF_MAX_STR_LEN), dimension(:), allocatable :: iotype_descs
  integer :: num_iotypes

  num_iotypes = 0
  call PIO_TF_Get_nc_iotypes(iotypes, iotype_descs, num_iotypes)
  do i=1,num_iotypes
    tgv_iotype = iotypes(i)
    ret = PIO_createfile(pio_tf_iosystem_, pio_file, tgv_iotype, tgv_fname)
    PIO_TF_CHECK_ERR(ret,&
      "Failed to create:"//trim(iotype_descs(i))//":"//trim(tgv_fname))

    call PIO_closefile(pio_file)

    ! Make sure that global variables are set correctly before running the tests
    PIO_TF_AUTO_TESTS_RUN(trim(iotype_descs(i)))

    call PIO_deletefile(pio_tf_iosystem_, tgv_fname)
  end do
  if(allocated(iotypes)) then
    deallocate(iotypes)
    deallocate(iotype_descs)
  end if

PIO_TF_TEST_DRIVER_END