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hdf5/fortran/test/tH5F.f90

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!****h* root/fortran/test/tH5F.f90
!
! NAME
! tH5F.f90
!
! FUNCTION
! Basic testing of Fortran H5F 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
! mountingtest, reopentest, plisttest, file_close, file_space
!
!*****
!
! In the mountingtest subroutine we create one file with a group in it,
! and another file with a dataset. Mounting is used to
! access the dataset from the second file as a member of a group
! in the first file.
SUBROUTINE mountingtest(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
!
!the respective filename is "mount1.h5" and "mount2.h5"
!
CHARACTER(LEN=6) :: filename1
CHARACTER(LEN=6) :: filename2
CHARACTER(LEN=80) :: fix_filename1
CHARACTER(LEN=80) :: fix_filename2
!
!data space rank and dimensions
!
INTEGER, PARAMETER :: RANK = 2
INTEGER, PARAMETER :: NX = 4
INTEGER, PARAMETER :: NY = 5
!
! File identifiers
!
INTEGER(HID_T) :: file1_id, file2_id
!
! Group identifier
!
INTEGER(HID_T) :: gid
!
! dataset identifier
!
INTEGER(HID_T) :: dset_id
!
! data space identifier
!
INTEGER(HID_T) :: dataspace
!
! data type identifier
!
INTEGER(HID_T) :: dtype_id
!
!The dimensions for the dataset.
!
INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/NX,NY/)
!
!return value for testing whether a file is in hdf5 format
!
LOGICAL :: status
!
!flag to check operation success
!
INTEGER :: error
!
!general purpose integer
!
INTEGER :: i, j
!
!data buffers
!
INTEGER, DIMENSION(NX,NY) :: data_in, data_out
INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
filename1 = "mount1"
filename2 = "mount2"
do i = 1,80
fix_filename1(i:i) = " "
fix_filename2(i:i) = " "
enddo
!
!Initialize data_in buffer
!
do j = 1, NY
do i = 1, NX
data_in(i,j) = (i-1) + (j-1)
end do
end do
!
! Fix names of the files
!
CALL h5_fixname_f(filename1, fix_filename1, H5P_DEFAULT_F, error)
if(error .ne. 0) stop
CALL h5_fixname_f(filename2, fix_filename2, H5P_DEFAULT_F, error)
if(error .ne. 0) stop
!
!Create first file "mount1.h5" using default properties.
!
CALL h5fcreate_f(fix_filename1, H5F_ACC_TRUNC_F, file1_id, error)
CALL check("h5fcreate_f",error,total_error)
!
!Create group "/G" inside file "mount1.h5".
!
CALL h5gcreate_f(file1_id, "/G", gid, error)
CALL check("h5gcreate_f",error,total_error)
!
!close file and group identifiers.
!
CALL h5gclose_f(gid, error)
CALL check("h5gclose_f",error,total_error)
CALL h5fclose_f(file1_id, error)
CALL check("h5fclose_f",error,total_error)
!
!Create second file "mount2.h5" using default properties.
!
CALL h5fcreate_f(fix_filename2, H5F_ACC_TRUNC_F, file2_id, error)
CALL check("h5fcreate_f",error,total_error)
!
!Create data space for the dataset.
!
CALL h5screate_simple_f(RANK, dims, dataspace, error)
CALL check("h5screate_simple_f",error,total_error)
!
!Create dataset "/D" inside file "mount2.h5".
!
CALL h5dcreate_f(file2_id, "/D", H5T_NATIVE_INTEGER, dataspace, &
dset_id, error)
CALL check("h5dcreate_f",error,total_error)
!
! Write data_in to the dataset
!
data_dims(1) = NX
data_dims(2) = NY
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data_in, data_dims, error)
CALL check("h5dwrite_f",error,total_error)
!
!close file, dataset and dataspace identifiers.
!
CALL h5sclose_f(dataspace, error)
CALL check("h5sclose_f",error,total_error)
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
CALL h5fclose_f(file2_id, error)
CALL check("h5fclose_f",error,total_error)
!
!test whether files are in hdf5 format
!
CALL h5fis_hdf5_f(fix_filename1, status, error)
CALL check("h5fis_hdf5_f",error,total_error)
IF ( .NOT. status ) THEN
write(*,*) "File ", fix_filename1, " is not in hdf5 format"
stop
END IF
CALL h5fis_hdf5_f(fix_filename2, status, error)
CALL check("h5fis_hdf5_f",error,total_error)
IF ( .NOT. status ) THEN
write(*,*) "File ", fix_filename2, " is not in hdf5 format"
stop
END IF
!
!reopen both files.
!
CALL h5fopen_f (fix_filename1, H5F_ACC_RDWR_F, file1_id, error)
CALL check("hfopen_f",error,total_error)
CALL h5fopen_f (fix_filename2, H5F_ACC_RDWR_F, file2_id, error)
CALL check("h5fopen_f",error,total_error)
!
!mount the second file under the first file's "/G" group.
!
CALL h5fmount_f (file1_id, "/G", file2_id, error)
CALL check("h5fmount_f",error,total_error)
!
!Access dataset D in the first file under /G/D name.
!
CALL h5dopen_f(file1_id, "/G/D", dset_id, error)
CALL check("h5dopen_f",error,total_error)
!
!Get dataset's data type.
!
CALL h5dget_type_f(dset_id, dtype_id, error)
CALL check("h5dget_type_f",error,total_error)
!
!Read the dataset.
!
CALL h5dread_f(dset_id, dtype_id, data_out, data_dims, error)
CALL check("h5dread_f",error,total_error)
!
!Compare the data.
!
do i = 1, NX
do j = 1, NY
IF (data_out(i,j) .NE. data_in(i, j)) THEN
write(*, *) "mounting test error occured"
END IF
end do
end do
!
!Close dset_id and dtype_id.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
CALL h5tclose_f(dtype_id, error)
CALL check("h5tclose_f",error,total_error)
!
!unmount the second file.
!
CALL h5funmount_f(file1_id, "/G", error);
CALL check("h5funmount_f",error,total_error)
!
!Close both files.
!
CALL h5fclose_f(file1_id, error)
CALL check("h5fclose_f",error,total_error)
CALL h5fclose_f(file2_id, error)
CALL check("h5fclose_f",error,total_error)
if(cleanup) CALL h5_cleanup_f(filename1, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
if(cleanup) CALL h5_cleanup_f(filename2, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
RETURN
END SUBROUTINE mountingtest
!
! The following subroutine tests h5freopen_f.
! It creates the file which has name "reopen.h5" and
! the "/dset" dataset inside the file.
! writes the data to the file, close the dataset.
! Reopen the file based upon the file_id, open the
! dataset use the reopen_id then reads the
! dataset back to memory to test whether the data
! read is identical to the data written
!
SUBROUTINE reopentest(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
!
CHARACTER(LEN=6), PARAMETER :: filename = "reopen"
CHARACTER(LEN=80) :: fix_filename
INTEGER(HID_T) :: file_id, reopen_id ! File identifiers
INTEGER(HID_T) :: dset_id ! Dataset identifier
!
!dataset name is "dset"
!
CHARACTER(LEN=4), PARAMETER :: dsetname = "dset"
!
!data space rank and dimensions
!
INTEGER, PARAMETER :: RANK = 2
INTEGER, PARAMETER :: NX = 4
INTEGER, PARAMETER :: NY = 6
!
! data space identifier
!
INTEGER(HID_T) :: dataspace
!
!The dimensions for the dataset.
!
INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/NX,NY/)
!
!flag to check operation success
!
INTEGER :: error
!
!general purpose integer
!
INTEGER :: i, j
!
!array to store data
!
INTEGER, DIMENSION(4,6) :: dset_data, data_out
INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
INTEGER(HSIZE_T) :: file_size
CHARACTER(LEN=80) :: file_name
INTEGER(SIZE_T) :: name_size
!
!initialize the dset_data array which will be written to the "/dset"
!
do j = 1, NY
do i = 1, NX
dset_data(i,j) = (i-1)*6 + j;
end do
end do
!
!Initialize FORTRAN predifined datatypes
!
! CALL h5init_types_f(error)
! CALL check("h5init_types_f",error,total_error)
!
!Create file "reopen.h5" 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 data space for the dataset.
!
CALL h5screate_simple_f(RANK, dims, dataspace, error)
CALL check("h5screate_simple_f",error,total_error)
!
!Create dataset "/dset" inside the file .
!
CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dataspace, &
dset_id, error)
CALL check("h5dcreate_f",error,total_error)
!
!Write the dataset.
!
data_dims(1) = NX
data_dims(2) = NY
CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, error)
CALL check("h5dwrite_f",error,total_error)
!
!close the dataset.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
!
!close the dataspace.
!
CALL h5sclose_f(dataspace, error)
CALL check("h5sclose_f",error,total_error)
!
!Reopen file dsetf.h5.
!
CALL h5freopen_f(file_id, reopen_id, error)
CALL check("h5freopen_f",error,total_error)
!
!Check file size
!
CALL h5fget_filesize_f(file_id, file_size, error)
CALL check("h5fget_filesize_f",error,total_error)
!
!Open the dataset based on the reopen_id.
!
CALL h5dopen_f(reopen_id, dsetname, dset_id, error)
CALL check("h5dopen_f",error,total_error)
!
!Get file name from the dataset identifier
!
CALL h5fget_name_f(dset_id, file_name, name_size, error)
CALL check("h5fget_name_f",error,total_error)
IF(file_name(1:name_size) .NE. fix_filename(1:name_size)) THEN
write(*,*) "file name obtained from the dataset id is incorrect"
END IF
!
!Read the dataset.
!
CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error)
CALL check("h5dread_f",error,total_error)
!
!Compare the data.
!
do i = 1, NX
do j = 1, NY
IF (data_out(i,j) .NE. dset_data(i, j)) THEN
write(*, *) "reopen test error occured"
END IF
end do
end do
!
!Close the dataset.
!
CALL h5dclose_f(dset_id, error)
CALL check("h5dclose_f",error,total_error)
!
!Close the file identifiers.
!
CALL h5fclose_f(file_id, error)
CALL check("h5fclose_f",error,total_error)
CALL h5fclose_f(reopen_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 reopentest
!
! The following example demonstrates how to get creation property list,
! and access property list.
! We first create a file using the default creation and access property
! list. Then, the file was closed and reopened. We then get the
! creation and access property lists of the first file. The second file is
! created using the got property lists
SUBROUTINE plisttest(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
!
!file names are "plist1.h5" and "plist2.h5"
!
CHARACTER(LEN=6), PARAMETER :: filename1 = "plist1"
CHARACTER(LEN=80) :: fix_filename1
CHARACTER(LEN=6), PARAMETER :: filename2 = "plist2"
CHARACTER(LEN=80) :: fix_filename2
INTEGER(HID_T) :: file1_id, file2_id ! File identifiers
INTEGER(HID_T) :: prop_id ! File creation property list identifier
INTEGER(HID_T) :: access_id ! File Access property list identifier
!flag to check operation success
INTEGER :: error
!
!Create a file1 using default properties.
!
CALL h5_fixname_f(filename1, fix_filename1, H5P_DEFAULT_F, error)
if (error .ne. 0) then
write(*,*) "Cannot modify file name"
stop
endif
CALL h5fcreate_f(fix_filename1, H5F_ACC_TRUNC_F, file1_id, error)
CALL check("h5fcreate_f",error,total_error)
!
!Terminate access to the file.
!
CALL h5fclose_f(file1_id, error)
CALL check("h5fclose_f",error,total_error)
!
!Open an existing file.
!
CALL h5fopen_f (fix_filename1, H5F_ACC_RDWR_F, file1_id, error)
CALL check("h5fopen_f",error,total_error)
!
!get the creation property list.
!
CALL h5fget_create_plist_f(file1_id, prop_id, error)
CALL check("h5fget_create_plist_f",error,total_error)
!
!get the access property list.
!
CALL h5fget_access_plist_f(file1_id, access_id, error)
CALL check("h5fget_access_plist_f",error,total_error)
!
!based on the creation property list id and access property list id
!create a new file
!
CALL h5_fixname_f(filename2, fix_filename2, H5P_DEFAULT_F, error)
if (error .ne. 0) then
write(*,*) "Cannot modify file name"
stop
endif
CALL h5fcreate_f(fix_filename2, H5F_ACC_TRUNC_F, file2_id, error, &
prop_id, access_id)
CALL check("h5create_f",error,total_error)
!
!Close all the property lists.
!
CALL h5pclose_f(prop_id, error)
CALL check("h5pclose_f",error,total_error)
CALL h5pclose_f(access_id, error)
CALL check("h5pclose_f",error,total_error)
!
!Terminate access to the files.
!
CALL h5fclose_f(file1_id, error)
CALL check("h5fclose_f",error,total_error)
CALL h5fclose_f(file2_id, error)
CALL check("h5fclose_f",error,total_error)
if(cleanup) CALL h5_cleanup_f(filename1, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
if(cleanup) CALL h5_cleanup_f(filename2, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
RETURN
END SUBROUTINE plisttest
!
! The following subroutine tests h5pget(set)_fclose_degree_f
!
SUBROUTINE file_close(cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
INTEGER :: error
!
CHARACTER(LEN=10), PARAMETER :: filename = "file_close"
CHARACTER(LEN=80) :: fix_filename
INTEGER(HID_T) :: fid, fid_d, fid1, fid2, fid3 ! File identifiers
INTEGER(HID_T) :: fapl, fapl1, fapl2, fapl3 ! File access identifiers
INTEGER(HID_T) :: fid_d_fapl, fid1_fapl ! File access identifiers
LOGICAL :: flag
INTEGER(SIZE_T) :: obj_count, obj_countf
INTEGER(HID_T), ALLOCATABLE, DIMENSION(:) :: obj_ids
INTEGER :: i
CALL h5eset_auto_f(0, error)
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, fid, error)
CALL check("h5fcreate_f",error,total_error)
CALL h5pcreate_f(H5P_FILE_ACCESS_F, fapl, error)
CALL check("h5pcreate_f",error,total_error)
CALL h5pset_fclose_degree_f(fapl, H5F_CLOSE_DEFAULT_F, error)
CALL check("h5pset_fclose_degree_f",error,total_error)
CALL h5pcreate_f(H5P_FILE_ACCESS_F, fapl1, error)
CALL check("h5pcreate_f",error,total_error)
CALL h5pset_fclose_degree_f(fapl1, H5F_CLOSE_WEAK_F, error)
CALL check("h5pset_fclose_degree_f",error,total_error)
CALL h5pcreate_f(H5P_FILE_ACCESS_F, fapl2, error)
CALL check("h5pcreate_f",error,total_error)
CALL h5pset_fclose_degree_f(fapl2, H5F_CLOSE_SEMI_F, error)
CALL check("h5pset_fclose_degree_f",error,total_error)
CALL h5pcreate_f(H5P_FILE_ACCESS_F, fapl3, error)
CALL check("h5pcreate_f",error,total_error)
CALL h5pset_fclose_degree_f(fapl3, H5F_CLOSE_STRONG_F, error)
CALL check("h5pset_fclose_degree_f",error,total_error)
CALL h5fopen_f(fix_filename, H5F_ACC_RDWR_F, fid1, error, access_prp=fapl1)
CALL check("h5fopen_f",error,total_error)
CALL h5fopen_f(fix_filename, H5F_ACC_RDWR_F, fid_d, error, access_prp=fapl)
CALL check("h5fopen_f",error,total_error)
CALL h5fget_access_plist_f(fid1, fid1_fapl, error)
CALL check("h5fget_access_plist_f",error,total_error)
CALL h5fget_access_plist_f(fid_d, fid_d_fapl, error)
CALL check("h5fget_access_plist_f",error,total_error)
CALL h5pequal_f(fid_d_fapl, fid1_fapl, flag, error)
CALL check("h5pequal_f",error,total_error)
if (.NOT. flag) then
write(*,*) " File access lists should be equal, error "
total_error=total_error + 1
endif
CALL h5fopen_f(fix_filename, H5F_ACC_RDWR_F, fid2, error, access_prp=fapl2)
if( error .ne. -1) then
total_error = total_error + 1
write(*,*) " Open with H5F_CLOSE_SEMI should fail "
endif
CALL h5fopen_f(fix_filename, H5F_ACC_RDWR_F, fid3, error, access_prp=fapl3)
if( error .ne. -1) then
total_error = total_error + 1
write(*,*) " Open with H5F_CLOSE_STRONG should fail "
endif
CALL h5fget_obj_count_f(fid1, H5F_OBJ_ALL_F, obj_count, error)
CALL check("h5fget_obj_count_f",error,total_error)
if(error .eq.0 .and. obj_count .ne. 3) then
total_error = total_error + 1
write(*,*) "Wrong number of open objects reported, error"
endif
CALL h5fget_obj_count_f(fid1, H5F_OBJ_FILE_F, obj_countf, error)
CALL check("h5fget_obj_count_f",error,total_error)
if(error .eq.0 .and. obj_countf .ne. 3) then
total_error = total_error + 1
write(*,*) "Wrong number of open objects reported, error"
endif
allocate(obj_ids(obj_countf), stat = error)
CALL h5fget_obj_ids_f(fid, H5F_OBJ_FILE_F, obj_countf, obj_ids, error)
CALL check("h5fget_obj_ids_f",error,total_error)
if(error .eq. 0) then
do i = 1, obj_countf
CALL h5fclose_f(obj_ids(i), error)
CALL check("h5fclose_f",error,total_error)
enddo
endif
CALL h5fclose_f(fid, error)
if(error .eq. 0) then
total_error = total_error + 1
write(*,*) "File should be closed at this point, error"
endif
CALL h5fclose_f(fid1, error)
if(error .eq. 0) then
total_error = total_error + 1
write(*,*) "File should be closed at this point, error"
endif
CALL h5fclose_f(fid_d, error)
if(error .eq. 0) then
total_error = total_error + 1
write(*,*) "File should be closed at this point, error"
endif
if(cleanup) then
CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
CALL check("h5_cleanup_f", error, total_error)
endif
deallocate(obj_ids)
RETURN
END SUBROUTINE file_close
!
! The following subroutine tests h5fget_freespace_f
!
SUBROUTINE file_space(filename, cleanup, total_error)
USE HDF5 ! This module contains all necessary modules
IMPLICIT NONE
CHARACTER(*), INTENT(IN) :: filename
LOGICAL, INTENT(IN) :: cleanup
INTEGER, INTENT(OUT) :: total_error
INTEGER :: error
!
CHARACTER(LEN=3), PARAMETER :: grpname = "grp"
CHARACTER(LEN=80) :: fix_filename
INTEGER(HID_T) :: fid ! File identifiers
INTEGER(HSSIZE_T) :: free_space
INTEGER(HID_T) :: group_id ! Group identifier
CALL h5eset_auto_f(0, error)
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, fid, error)
CALL check("h5fcreate_f",error,total_error)
CALL h5fget_freespace_f(fid, free_space, error)
CALL check("h5fget_freespace_f",error,total_error)
if(error .eq.0 .and. free_space .ne. 0) then
total_error = total_error + 1
write(*,*) "1: Wrong amount of free space reported, ", free_space
endif
! Create group in the file.
CALL h5gcreate_f(fid, grpname, group_id, error)
CALL check("h5gcreate_f",error,total_error)
! Close group
CALL h5gclose_f(group_id, error)
CALL check("h5gclose_f", error, total_error)
! Check the free space now
CALL h5fget_freespace_f(fid, free_space, error)
CALL check("h5fget_freespace_f",error,total_error)
if(error .eq.0 .and. free_space .ne. 0) then
total_error = total_error + 1
write(*,*) "2: Wrong amount of free space reported, ", free_space
endif
!Unlink the group
CALL h5gunlink_f(fid, grpname, error)
CALL check("h5gunlink_f", error, total_error)
! Check the free space now
CALL h5fget_freespace_f(fid, free_space, error)
CALL check("h5fget_freespace_f",error,total_error)
if(error .eq.0 .and. free_space .ne. 0) then
total_error = total_error + 1
write(*,*) "3: Wrong amount of free space reported, ", free_space
endif
CALL h5fclose_f(fid, 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 file_space
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