[svn-r27638] Merged r27500-27631 from trunk.

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diff --git a/fortran/test/tH5VL.F90 b/fortran/test/tH5VL.F90
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+!****h* root/fortran/test/tH5VL.f90
+!
+! NAME
+!  tH5VL.f90
+!
+! FUNCTION
+!  Basic testing of Fortran Variable_length datatypes APIs.
+!
+! COPYRIGHT
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!   Copyright by The HDF Group.                                               *
+!   Copyright by the Board of Trustees of the University of Illinois.         *
+!   All rights reserved.                                                      *
+!                                                                             *
+!   This file is part of HDF5.  The full HDF5 copyright notice, including     *
+!   terms governing use, modification, and redistribution, is contained in    *
+!   the files COPYING and Copyright.html.  COPYING can be found at the root   *
+!   of the source code distribution tree; Copyright.html can be found at the  *
+!   root level of an installed copy of the electronic HDF5 document set and   *
+!   is linked from the top-level documents page.  It can also be found at     *
+!   http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+!   access to either file, you may request a copy from help@hdfgroup.org.     *
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!
+! CONTAINS SUBROUTINES
+!  vl_test_integer, vl_test_real, vl_test_string 
+!
+!*****
+
+MODULE TH5VL
+  USE HDF5 ! This module contains all necessary modules
+  USE TH5_MISC
+  USE TH5_MISC_GEN
+
+CONTAINS
+
+        SUBROUTINE vl_test_integer(cleanup, total_error)
+
+          IMPLICIT NONE
+          LOGICAL, INTENT(IN) :: cleanup
+          INTEGER, INTENT(OUT) :: total_error
+
+          CHARACTER(LEN=7), PARAMETER :: filename = "VLtypes" ! File name
+          CHARACTER(LEN=80) :: fix_filename
+          CHARACTER(LEN=5), PARAMETER :: dsetname = "VLint"     ! Dataset name
+
+          INTEGER(HID_T) :: file_id       ! File identifier
+          INTEGER(HID_T) :: dset_id       ! Dataset identifier
+          INTEGER(HID_T) :: dspace_id     ! Dataspace identifier
+          INTEGER(HID_T) :: vltype_id     ! Datatype identifier
+
+
+          INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/6/) ! Dataset dimensions
+          INTEGER(SIZE_T), DIMENSION(6) :: len           ! Elements lengths
+          INTEGER(SIZE_T), DIMENSION(6) :: len_out
+          INTEGER     ::   rank = 1                      ! Dataset rank
+
+          INTEGER, DIMENSION(5,6) :: vl_int_data ! Data buffers
+          INTEGER, DIMENSION(5,6) :: vl_int_data_out ! Data buffers
+          INTEGER     ::   error ! Error flag
+
+          INTEGER     :: i, j    !general purpose integers
+          INTEGER(HSIZE_T) :: ih, jh    !general purpose integers
+          INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/5,6/)
+          INTEGER(SIZE_T)  max_len
+
+          !
+          ! Initialize the vl_int_data array.
+          !
+          do i = 1, 6
+             do j = 1, 5
+                vl_int_data(j,i) = -100
+             end do
+          end do
+
+          do i = 2, 6
+             do j = 1,  i-1
+                vl_int_data(j,i) = i-1
+             end do
+          end do
+
+           do i = 1,6
+              len(i) = i-1
+           end do
+
+
+          !
+          ! Create a new file using default properties.
+          !
+          CALL h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
+          if (error .ne. 0) then
+              write(*,*) "Cannot modify filename"
+              stop
+          endif
+          CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file_id, error)
+              CALL check("h5fcreate_f", error, total_error)
+
+
+          !
+          ! Create the dataspace.
+          !
+          CALL h5screate_simple_f(rank, dims, dspace_id, error)
+              CALL check("h5screate_simple_f", error, total_error)
+
+
+          !
+          ! Create the dataset with default properties.
+          !
+          CALL h5tvlen_create_f(H5T_NATIVE_INTEGER, vltype_id, error)
+              CALL check("h5dvlen_create_f", error, total_error)
+
+          CALL h5dcreate_f(file_id, dsetname, vltype_id, dspace_id, &
+                           dset_id, error)
+              CALL check("h5dcreate_f", error, total_error)
+
+          !
+          ! Write the dataset.
+          !
+          CALL h5dwrite_vl_f(dset_id, vltype_id, vl_int_data, data_dims, len, error)
+              CALL check("h5dwrite_int_f", error, total_error)
+
+
+
+          !   
+          ! End access to the dataset and release resources used by it.
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+
+          !
+          ! Open the existing file.
+          !
+          CALL h5fopen_f (fix_filename, H5F_ACC_RDWR_F, file_id, error)
+              CALL check("h5fopen_f", error, total_error)
+
+          !
+          ! Open the existing dataset.
+          !
+          CALL h5dopen_f(file_id, dsetname, dset_id, error)
+              CALL check("h5dopen_f", error, total_error)
+
+          CALL h5dvlen_get_max_len_f(dset_id, vltype_id, dspace_id, max_len, error)
+              CALL check("h5dvlen_get_max_len_f", error, total_error)
+              if(max_len .ne. data_dims(1)) then
+                      total_error = total_error + 1
+                      write(*,*) "Wrong number of elemets returned by h5dvlen_get_max_len_f"
+              endif
+          !
+          ! Read the dataset.
+          !
+          CALL h5dread_vl_f(dset_id, vltype_id, vl_int_data_out, data_dims, len_out, &
+                            error, mem_space_id = dspace_id, file_space_id = dspace_id)
+              CALL check("h5dread_int_f", error, total_error)
+              do ih = 1, data_dims(2)
+              do jh = 1, len_out(ih)
+              if(vl_int_data(jh,ih) .ne. vl_int_data_out(jh,ih))  then
+                  total_error = total_error + 1
+                  write(*,*) "h5dread_vl_f returned incorrect data"
+              endif
+              enddo
+               if (len(ih) .ne. len_out(ih)) then
+                  total_error = total_error + 1
+                  write(*,*) "h5dread_vl_f returned incorrect data"
+              endif
+              enddo
+
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          CALL h5tclose_f(vltype_id, error)
+              CALL check("h5tclose_f", error, total_error)
+
+          !
+          ! Terminate access to the data space.
+          !
+          CALL h5sclose_f(dspace_id, error)
+              CALL check("h5sclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+          if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+              CALL check("h5_cleanup_f", error, total_error)
+
+          RETURN
+        END SUBROUTINE vl_test_integer
+
+        SUBROUTINE vl_test_real(cleanup, total_error)
+
+          IMPLICIT NONE
+          LOGICAL, INTENT(IN) :: cleanup
+          INTEGER, INTENT(OUT) :: total_error
+
+          CHARACTER(LEN=8), PARAMETER :: filename = "VLtypesR" ! File name
+          CHARACTER(LEN=80) :: fix_filename
+          CHARACTER(LEN=6), PARAMETER :: dsetname = "VLreal"     ! Dataset name
+
+          INTEGER(HID_T) :: file_id       ! File identifier
+          INTEGER(HID_T) :: dset_id       ! Dataset identifier
+          INTEGER(HID_T) :: dspace_id     ! Dataspace identifier
+          INTEGER(HID_T) :: vltype_id     ! Datatype identifier
+
+
+          INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/6/) ! Dataset dimensions
+          INTEGER(SIZE_T), DIMENSION(6) :: len           ! Elements lengths
+          INTEGER(SIZE_T), DIMENSION(6) :: len_out
+          INTEGER     ::   rank = 1                      ! Dataset rank
+
+          REAL, DIMENSION(5,6) :: vl_real_data ! Data buffers
+          REAL, DIMENSION(5,6) :: vl_real_data_out ! Data buffers
+          INTEGER     ::   error ! Error flag
+
+          INTEGER     :: i, j    !general purpose integers
+          INTEGER(HSIZE_T)     :: ih, jh    !general purpose integers
+          INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/5,6/)
+          INTEGER(SIZE_T)  max_len
+          INTEGER(HID_T) ::  vl_type_id
+          LOGICAL        ::  vl_flag
+
+          !
+          ! Initialize the vl_int_data array.
+          !
+          do i = 1, 6
+             do j = 1, 5
+                vl_real_data(j,i) = -100.
+             end do
+          end do
+
+          do i = 2, 6
+             do j = 1,  i-1
+                vl_real_data(j,i) = i-1
+             end do
+          end do
+
+           do i = 1,6
+              len(i) = i-1
+           end do
+
+
+          !
+          ! Create a new file using default properties.
+          !
+          CALL h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
+          if (error .ne. 0) then
+              write(*,*) "Cannot modify filename"
+              stop
+          endif
+          CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file_id, error)
+              CALL check("h5fcreate_f", error, total_error)
+
+
+          !
+          ! Create the dataspace.
+          !
+          CALL h5screate_simple_f(rank, dims, dspace_id, error)
+              CALL check("h5screate_simple_f", error, total_error)
+
+
+          !
+          ! Create the dataset with default properties.
+          !
+          CALL h5tvlen_create_f(H5T_NATIVE_REAL, vltype_id, error)
+              CALL check("h5dvlen_create_f", error, total_error)
+
+          CALL h5dcreate_f(file_id, dsetname, vltype_id, dspace_id, &
+                           dset_id, error)
+              CALL check("h5dcreate_f", error, total_error)
+          CALL h5dget_type_f(dset_id, vl_type_id, error)
+              CALL check("h5dget_type_f", error, total_error)
+          CALL h5tis_variable_str_f( vl_type_id, vl_flag, error)
+              CALL check("h5tis_variable_str_f", error, total_error)
+              if( vl_flag ) then
+                 write(*,*) "type is wrong"
+                 total_error = total_error + 1
+              endif
+
+
+          !
+          ! Write the dataset.
+          !
+          CALL h5dwrite_vl_f(dset_id, vltype_id, vl_real_data, data_dims, len, error)
+              CALL check("h5dwrite_vl_real_f", error, total_error)
+
+
+          !
+          ! End access to the dataset and release resources used by it.
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+
+          !
+          ! Open the existing file.
+          !
+          CALL h5fopen_f (fix_filename, H5F_ACC_RDWR_F, file_id, error)
+              CALL check("h5fopen_f", error, total_error)
+
+          !
+          ! Open the existing dataset.
+          !
+          CALL h5dopen_f(file_id, dsetname, dset_id, error)
+              CALL check("h5dopen_f", error, total_error)
+
+          CALL h5dvlen_get_max_len_f(dset_id, vltype_id, dspace_id, max_len, error)
+              CALL check("h5dvlen_get_max_len_f", error, total_error)
+              if(max_len .ne. data_dims(1)) then
+                      total_error = total_error + 1
+                      write(*,*) "Wrong number of elemets returned by h5dvlen_get_max_len_f"
+              endif
+          !
+          ! Read the dataset.
+          !
+          CALL h5dread_vl_f(dset_id, vltype_id, vl_real_data_out, data_dims, len_out, &
+                            error, mem_space_id = dspace_id, file_space_id = dspace_id)
+              CALL check("h5dread_real_f", error, total_error)
+              DO ih = 1, data_dims(2)
+              DO jh = 1, len_out(ih)
+                 CALL VERIFY("h5dread_vl_f returned incorrect data",vl_real_data(jh,ih),vl_real_data_out(jh,ih), total_error)
+              ENDDO
+              IF (LEN(ih) .NE. len_out(ih)) THEN
+                 total_error = total_error + 1
+                 WRITE(*,*) "h5dread_vl_f returned incorrect data"
+              ENDIF
+           ENDDO
+
+
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          CALL h5tclose_f(vltype_id, error)
+              CALL check("h5tclose_f", error, total_error)
+
+          !
+          ! Terminate access to the data space.
+          !
+          CALL h5sclose_f(dspace_id, error)
+              CALL check("h5sclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+          if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+              CALL check("h5_cleanup_f", error, total_error)
+
+          RETURN
+        END SUBROUTINE vl_test_real
+
+        SUBROUTINE vl_test_string(cleanup, total_error)
+
+          IMPLICIT NONE
+          LOGICAL, INTENT(IN) :: cleanup
+          INTEGER, INTENT(OUT) :: total_error
+
+          CHARACTER(LEN=8), PARAMETER :: filename = "VLtypesS" ! File name
+          CHARACTER(LEN=80) :: fix_filename
+          CHARACTER(LEN=9), PARAMETER :: dsetname = "VLstrings"     ! Dataset name
+
+          INTEGER(HID_T) :: file_id       ! File identifier
+          INTEGER(HID_T) :: dset_id       ! Dataset identifier
+          INTEGER(HID_T) :: dspace_id     ! Dataspace identifier
+
+
+          INTEGER(HSIZE_T), DIMENSION(1) :: dims = (/4/) ! Dataset dimensions
+          INTEGER(SIZE_T), DIMENSION(4) :: str_len           ! Elements lengths
+          INTEGER(SIZE_T), DIMENSION(4) :: str_len_out
+          INTEGER     ::   rank = 1                      ! Dataset rank
+
+          CHARACTER(LEN=10), DIMENSION(4) :: string_data ! Array of strings
+          CHARACTER(LEN=10), DIMENSION(4) :: string_data_out     ! Data buffers
+          INTEGER     ::   error ! Error flag
+
+          INTEGER(HSIZE_T) :: ih    !general purpose integers
+          INTEGER(HSIZE_T), DIMENSION(2) :: data_dims = (/10,4/)
+          INTEGER(HID_T) :: vl_type_id
+          LOGICAL        :: vl_flag
+
+          !
+          ! Initialize the string_data array.
+          !
+          string_data(1) = 'This is   '
+          str_len(1) = 8
+          string_data(2) = 'a fortran '
+          str_len(2) = 10
+          string_data(3) = 'strings   '
+          str_len(3) = 8
+          string_data(4) = 'test.     '
+          str_len(4) = 5
+
+
+          !
+          ! Create a new file using default properties.
+          !
+          CALL h5_fixname_f(filename, fix_filename, H5P_DEFAULT_F, error)
+          if (error .ne. 0) then
+              write(*,*) "Cannot modify filename"
+              stop
+          endif
+          CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file_id, error)
+              CALL check("h5fcreate_f", error, total_error)
+
+
+          !
+          ! Create the dataspace.
+          !
+          CALL h5screate_simple_f(rank, dims, dspace_id, error)
+              CALL check("h5screate_simple_f", error, total_error)
+
+
+          !
+          ! Create the dataset with default properties.
+          !
+          CALL h5dcreate_f(file_id, dsetname, H5T_STRING, dspace_id, &
+                           dset_id, error)
+              CALL check("h5dcreate_f", error, total_error)
+          !
+          ! Check that dataset has a string datatype
+          !
+          CALL h5dget_type_f(dset_id, vl_type_id, error)
+              CALL check("h5dget_type_f", error, total_error)
+          CALL h5tis_variable_str_f( vl_type_id, vl_flag, error)
+              CALL check("h5tis_variable_str_f", error, total_error)
+              if( .NOT. vl_flag ) then
+                 write(*,*) "type is wrong"
+                 total_error = total_error + 1
+              endif
+
+          !
+          ! Write the dataset.
+          !
+          CALL h5dwrite_vl_f(dset_id, H5T_STRING, string_data, data_dims, str_len, error)
+              CALL check("h5dwrite_string_f", error, total_error)
+
+
+          !
+          ! End access to the dataset and release resources used by it.
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+
+          !
+          ! Open the existing file.
+          !
+          CALL h5fopen_f (fix_filename, H5F_ACC_RDWR_F, file_id, error)
+              CALL check("h5fopen_f", error, total_error)
+
+          !
+          ! Open the existing dataset.
+          !
+          CALL h5dopen_f(file_id, dsetname, dset_id, error)
+              CALL check("h5dopen_f", error, total_error)
+          !
+          !  Read the dataset.
+          !
+          CALL h5dread_vl_f(dset_id, H5T_STRING, string_data_out, data_dims,  &
+                            str_len_out, error)
+              CALL check("h5dread_string_f", error, total_error)
+          do 100 ih = 1, data_dims(2)
+             if(str_len(ih) .ne. str_len_out(ih)) then
+                total_error=total_error + 1
+                write(*,*) 'Returned string length is incorrect'
+                goto 100
+             endif
+             if(string_data(1)(1:str_len(ih)) .ne. string_data_out(1)(1:str_len(ih))) then
+             write(*,*) ' Returned string is wrong'
+             total_error = total_error + 1
+             endif
+100       continue
+
+          !
+          CALL h5dclose_f(dset_id, error)
+              CALL check("h5dclose_f", error, total_error)
+
+          !
+          ! Terminate access to the data space.
+          !
+          CALL h5sclose_f(dspace_id, error)
+              CALL check("h5sclose_f", error, total_error)
+
+          !
+          ! Close the file.
+          !
+          CALL h5fclose_f(file_id, error)
+              CALL check("h5fclose_f", error, total_error)
+          if(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+              CALL check("h5_cleanup_f", error, total_error)
+
+          RETURN
+        END SUBROUTINE vl_test_string
+END MODULE TH5VL