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+!****h* root/fortran/test/tH5D.f90
+!
+! NAME
+! tH5D.f90
+!
+! FUNCTION
+! Basic testing of Fortran H5D 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. *
+! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+!
+! NOTES
+! Tests the H5D APIs functionalities of:
+! h5dcreate_f, h5dopen_f, h5dclose_f, h5dget_space_f, h5dget_type_f,
+! h5dread_f, and h5dwrite_f, h5dget_space_status_f
+!
+!
+! CONTAINS SUBROUTINES
+! datasettest, extenddsettest
+!
+!*****
+
+!
+MODULE TH5D
+
+ USE HDF5 ! This module contains all necessary modules
+ USE TH5_MISC
+ USE TH5_MISC_GEN
+
+CONTAINS
+ SUBROUTINE datasettest(cleanup, total_error)
+
+ IMPLICIT NONE
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+
+ CHARACTER(LEN=5), PARAMETER :: filename = "dsetf" ! File name
+ CHARACTER(LEN=80) :: fix_filename
+ CHARACTER(LEN=4), PARAMETER :: dsetname = "dset" ! Dataset name
+ CHARACTER(LEN=9), PARAMETER :: null_dsetname = "null_dset" ! Dataset name
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: dset_id ! Dataset identifier
+ INTEGER(HID_T) :: null_dset ! Null dataset identifier
+ INTEGER(HID_T) :: dspace_id ! Dataspace identifier
+ INTEGER(HID_T) :: null_dspace ! Null dataspace identifier
+ INTEGER(HID_T) :: dtype_id ! Datatype identifier
+
+ INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/4,6/) ! Dataset dimensions
+ INTEGER :: rank = 2 ! Dataset rank
+
+ INTEGER, DIMENSION(4,6) :: dset_data, data_out ! Data buffers
+ INTEGER :: error ! Error flag
+
+ INTEGER :: i, j !general purpose integers
+ INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
+ INTEGER(HSIZE_T), DIMENSION(1) :: null_data_dim
+ INTEGER :: null_dset_data = 1 ! null data
+ INTEGER :: flag ! Space allocation status
+
+ !
+ ! Initialize the dset_data array.
+ !
+ DO i = 1, 4
+ DO j = 1, 6
+ dset_data(i,j) = (i-1)*6 + j;
+ END DO
+ 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 null dataspace.
+ !
+ CALL h5screate_f(H5S_NULL_F, null_dspace, error)
+ CALL check("h5screate_simple_f", error, total_error)
+ !
+ ! Create the dataset with default properties.
+ !
+ CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dspace_id, &
+ dset_id, error)
+ CALL check("h5dcreate_f", error, total_error)
+ !
+ ! Create the null dataset.
+ !
+ CALL h5dcreate_f(file_id, null_dsetname, H5T_NATIVE_INTEGER, null_dspace, null_dset, error)
+ CALL check("h5dcreate_f", error, total_error)
+ !
+ ! Write the dataset.
+ !
+ data_dims(1) = 4
+ data_dims(2) = 6
+ CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, dset_data, data_dims, error)
+ CALL check("h5dwrite_f", error, total_error)
+ !
+ ! Write null dataset. Nothing can be written.
+ !
+ null_data_dim(1) = 1
+ CALL h5dwrite_f(null_dset, H5T_NATIVE_INTEGER, null_dset_data, null_data_dim, error)
+ CALL check("h5dwrite_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)
+ CALL h5dclose_f(null_dset, 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)
+ CALL h5sclose_f(null_dspace, error)
+ CALL check("h5sclose_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 h5dopen_f(file_id, null_dsetname, null_dset, error)
+ CALL check("h5dopen_f", error, total_error)
+
+ ! Test whether space has been allocated for a dataset
+ CALL h5dget_space_status_f(dset_id, flag, error)
+ CALL check("h5dget_space_status_f",error, total_error)
+ CALL VERIFY("h5dget_space_status_f", flag, H5D_SPACE_STS_ALLOCATED_F, total_error)
+
+ CALL h5dget_space_status_f(null_dset, flag, error)
+ CALL check("h5dget_space_status_f",error, total_error)
+ CALL VERIFY("h5dget_space_status_f", flag, H5D_SPACE_STS_NOT_ALLOCATED_F, total_error)
+ !
+ ! Get the dataset type.
+ !
+ CALL h5dget_type_f(dset_id, dtype_id, error)
+ CALL check("h5dget_type_f", error, total_error)
+ !
+ ! Get the data space.
+ !
+ CALL h5dget_space_f(dset_id, dspace_id, error)
+ CALL check("h5dget_space_f", error, total_error)
+ !
+ ! Read the dataset.
+ !
+ CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error)
+ CALL check("h5dread_f", error, total_error)
+ !
+ ! Read the null dataset. Nothing should be read.
+ !
+ CALL h5dread_f(null_dset, H5T_NATIVE_INTEGER, null_dset_data, null_data_dim, error)
+ CALL check("h5dread_f", error, total_error)
+ !
+ !Compare the data.
+ !
+ DO i = 1, 4
+ DO j = 1, 6
+ IF (data_out(i,j) .NE. dset_data(i, j)) THEN
+ WRITE(*, *) "dataset test error occured"
+ WRITE(*,*) "data read is not the same as the data written"
+ END IF
+ END DO
+ END DO
+ !
+ ! Check if no change to null_dset_data
+ !
+ IF (null_dset_data .NE. 1) THEN
+ WRITE(*, *) "null dataset test error occured"
+ END IF
+ !
+ ! End access to the dataset and release resources used by it.
+ !
+ CALL h5dclose_f(dset_id, error)
+ CALL check("h5dclose_f", error, total_error)
+ CALL h5dclose_f(null_dset, 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)
+
+ !
+ ! Terminate access to the data type.
+ !
+ CALL h5tclose_f(dtype_id, error)
+ CALL check("h5tclose_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 datasettest
+
+!
+!the following subroutine tests h5dextend_f functionality
+!
+
+ SUBROUTINE extenddsettest(cleanup, total_error)
+
+ IMPLICIT NONE
+
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+
+ !
+ !the dataset is stored in file "extf.h5"
+ !
+ CHARACTER(LEN=4), PARAMETER :: filename = "extf"
+ CHARACTER(LEN=80) :: fix_filename
+
+ !
+ !dataset name is "ExtendibleArray"
+ !
+ CHARACTER(LEN=15), PARAMETER :: dsetname = "ExtendibleArray"
+
+ !
+ !dataset rank is 2
+ !
+ INTEGER :: RANK = 2
+
+ INTEGER(HID_T) :: file_id ! File identifier
+ INTEGER(HID_T) :: dset_id ! Dataset identifier
+ INTEGER(HID_T) :: dataspace ! Dataspace identifier
+ INTEGER(HID_T) :: memspace ! memory Dataspace identifier
+ INTEGER(HID_T) :: crp_list ! dataset creatation property identifier
+
+ !
+ !dataset dimensions at creation time
+ !
+ INTEGER(HSIZE_T), DIMENSION(2) :: dims = (/3,3/)
+
+ !
+ !data dimensions
+ !
+ INTEGER(HSIZE_T), DIMENSION(2) :: dims1 = (/10,3/)
+
+ !
+ !Maximum dimensions
+ !
+ INTEGER(HSIZE_T), DIMENSION(2) :: maxdims
+
+ !
+ !data arrays for reading and writing
+ !
+ INTEGER, DIMENSION(10,3) :: data_in, data_out
+
+ !
+ !Size of data in the file
+ !
+ INTEGER(HSIZE_T), DIMENSION(2) :: size
+
+ !
+ !general purpose integer
+ !
+ INTEGER :: i, j
+ INTEGER(HSIZE_T) :: ih, jh
+
+ !
+ !flag to check operation success
+ !
+ INTEGER :: error
+
+ !
+ !Variables used in reading data back
+ !
+ INTEGER(HSIZE_T), DIMENSION(2) :: dimsr, maxdimsr
+ INTEGER :: rankr
+ INTEGER(HSIZE_T), DIMENSION(2) :: data_dims
+
+ !
+ !data initialization
+ !
+ DO i = 1, 10
+ DO j = 1, 3
+ data_in(i,j) = 2
+ END DO
+ END DO
+
+ !
+ !Initialize FORTRAN predifined datatypes
+ !
+! CALL h5init_types_f(error)
+! CALL check("h5init_types_f",error,total_error)
+
+ !
+ !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 data space with unlimited dimensions.
+ !
+ maxdims = (/H5S_UNLIMITED_F, H5S_UNLIMITED_F/)
+
+ CALL h5screate_simple_f(RANK, dims, dataspace, error, maxdims)
+ CALL check("h5screate_simple_f",error,total_error)
+
+ !
+ !Modify dataset creation properties, i.e. enable chunking
+ !
+ CALL h5pcreate_f(H5P_DATASET_CREATE_F, crp_list, error)
+ CALL check("h5pcreate_f",error,total_error)
+
+ CALL h5pset_chunk_f(crp_list, RANK, dims1, error)
+ CALL check("h5pset_chunk_f",error,total_error)
+
+ !
+ !Create a dataset with 3X3 dimensions using cparms creation propertie .
+ !
+ CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, dataspace, dset_id, error, crp_list )
+ CALL check("h5dcreate_f",error,total_error)
+
+ !
+ !Extend the dataset. This call assures that dataset is 3 x 3.
+ !
+ SIZE(1) = 3
+ SIZE(2) = 3
+ CALL h5dextend_f(dset_id, size, error)
+ CALL check("h5dextend_f",error,total_error)
+
+
+ !
+ !Extend the dataset. Dataset becomes 10 x 3.
+ !
+ SIZE(1) = 10;
+ SIZE(2) = 3;
+ CALL h5dextend_f(dset_id, size, error)
+ CALL check("h5dextend_f",error,total_error)
+
+ !
+ !Write the data of size 10X3 to the extended dataset.
+ !
+ data_dims(1) = 10
+ data_dims(2) = 3
+ CALL H5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data_in, data_dims, error)
+ CALL check("h5dwrite_f",error,total_error)
+
+ !
+ !Close the dataspace for the dataset.
+ !
+ CALL h5sclose_f(dataspace, error)
+ CALL check("h5sclose_f",error,total_error)
+
+ !
+ !Close the property list.
+ !
+ CALL h5pclose_f(crp_list, error)
+ CALL check("h5pclose_f",error,total_error)
+ !
+ !Close the dataset.
+ !
+ 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)
+
+ !
+ !read the data back
+ !
+ !Open the file.
+ !
+ CALL h5fopen_f (fix_filename, H5F_ACC_RDONLY_F, file_id, error)
+ CALL check("hfopen_f",error,total_error)
+
+ !
+ !Open the dataset.
+ !
+ CALL h5dopen_f(file_id, dsetname, dset_id, error)
+ CALL check("h5dopen_f",error,total_error)
+
+ !
+ !Get dataset's dataspace handle.
+ !
+ CALL h5dget_space_f(dset_id, dataspace, error)
+ CALL check("h5dget_space_f",error,total_error)
+
+ !
+ !Get dataspace's rank.
+ !
+ CALL h5sget_simple_extent_ndims_f(dataspace, rankr, error)
+ CALL check("h5sget_simple_extent_ndims_f",error,total_error)
+ IF (rankr .NE. RANK) THEN
+ WRITE(*,*) "dataset rank error occured"
+ STOP
+ END IF
+
+ !
+ !Get dataspace's dimensinons.
+ !
+ CALL h5sget_simple_extent_dims_f(dataspace, dimsr, maxdimsr, error)
+ CALL check("h5sget_simple_extent_dims_f",error,total_error)
+ IF ((dimsr(1) .NE. dims1(1)) .OR. (dimsr(2) .NE. dims1(2))) THEN
+ WRITE(*,*) "dataset dimensions error occured"
+ STOP
+ END IF
+
+ !
+ !Get creation property list.
+ !
+ CALL h5dget_create_plist_f(dset_id, crp_list, error)
+ CALL check("h5dget_create_plist_f",error,total_error)
+
+
+ !
+ !create memory dataspace.
+ !
+ CALL h5screate_simple_f(rankr, dimsr, memspace, error)
+ CALL check("h5screate_simple_f",error,total_error)
+
+ !
+ !Read data
+ !
+ CALL H5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, data_dims, error, memspace, dataspace)
+ CALL check("h5dread_f",error,total_error)
+
+
+ !
+ !Compare the data.
+ !
+ DO ih = 1, dims1(1)
+ DO jh = 1, dims1(2)
+ IF (data_out(ih,jh) .NE. data_in(ih, jh)) THEN
+ WRITE(*, *) "extend dataset test error occured"
+ WRITE(*, *) "read value is not the same as the written values"
+ END IF
+ END DO
+ END DO
+
+ !
+ !Close the dataspace for the dataset.
+ !
+ CALL h5sclose_f(dataspace, error)
+ CALL check("h5sclose_f",error,total_error)
+
+ !
+ !Close the memspace for the dataset.
+ !
+ CALL h5sclose_f(memspace, error)
+ CALL check("h5sclose_f",error,total_error)
+
+ !
+ !Close the property list.
+ !
+ CALL h5pclose_f(crp_list, error)
+ CALL check("h5pclose_f",error,total_error)
+
+ !
+ !Close the dataset.
+ !
+ 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)
+ IF(cleanup) CALL h5_cleanup_f(filename, H5P_DEFAULT_F, error)
+ CALL check("h5_cleanup_f", error, total_error)
+
+ RETURN
+ END SUBROUTINE extenddsettest
+
+!
+! The following subroutine tests h5dget_offset_f functionality
+!
+
+ SUBROUTINE test_userblock_offset(cleanup, total_error)
+
+ USE ISO_C_BINDING
+
+ IMPLICIT NONE
+ LOGICAL, INTENT(IN) :: cleanup
+ INTEGER, INTENT(OUT) :: total_error
+ !
+ !the dataset is stored in file "offset.h5"
+ !
+ INTEGER, PARAMETER :: dset_dim1=2, dset_dim2=10
+ CHARACTER(LEN=6), PARAMETER :: filename = "offset"
+ CHARACTER(LEN=80) :: fix_filename
+
+ INTEGER(hid_t) :: file, fcpl, dataset, space
+ INTEGER :: i, j, n, ios
+ INTEGER(hsize_t), DIMENSION(1:2) :: dims
+ INTEGER :: f
+ INTEGER(haddr_t) :: offset
+ INTEGER, DIMENSION(1:dset_dim1,1:dset_dim2), TARGET :: rdata, data_in
+ INTEGER :: error
+ TYPE(C_PTR) :: f_ptr
+ !
+ !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 h5pcreate_f(H5P_FILE_CREATE_F, fcpl, error)
+ CALL check("h5pcreate_f",error,total_error)
+
+ ! Initialize the dataset
+ n = 0
+ DO i = 1, dset_dim1
+ DO j = 1, dset_dim2
+ n = n + 1
+ data_in(i,j) = n
+ END DO
+ END DO
+ CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file, error, fcpl)
+ CALL check("h5fcreate_f",error,total_error)
+
+ ! Create the data space
+ dims(1:2) = (/dset_dim1,dset_dim2/)
+
+ CALL h5screate_simple_f(2, dims, space, error)
+ CALL check("h5screate_simple_f",error,total_error)
+
+ ! Create the dataset
+ CALL h5dcreate_f(file, "dset1", H5T_NATIVE_INTEGER, space, dataset, error)
+ CALL check("h5dcreate_f", error, total_error)
+
+ ! Test dataset address. Should be undefined.
+ CALL h5dget_offset_f(dataset, offset, error)
+ CALL VERIFY("h5dget_offset_f",offset, HADDR_UNDEF_F, total_error)
+
+ ! Write the data to the dataset
+ f_ptr = C_LOC(data_in(1,1))
+ CALL h5dwrite_f(dataset, H5T_NATIVE_INTEGER, f_ptr, error)
+ CALL check("h5dwrite_f", error, total_error)
+
+ ! Test dataset address in file. Open the same file as a C file, seek
+ ! the data position as H5Dget_offset points to, read the dataset, and
+ ! compare it with the data written in.
+ CALL h5dget_offset_f(dataset, offset, error)
+ CALL check("h5dget_offset_f", error, total_error)
+ IF(offset.EQ.HADDR_UNDEF_F)THEN
+ total_error = total_error + 1
+ ENDIF
+
+ CALL h5dclose_f(dataset, error)
+ CALL check("h5dclose_f", error, total_error)
+ CALL h5fclose_f(file, error)
+ CALL check("h5fclose_f", error, total_error)
+
+ IF(total_error.NE.0) RETURN
+
+ OPEN(10,FILE=fix_filename, ACCESS="STREAM", IOSTAT=ios)
+ IF(ios.NE.0)THEN
+ WRITE(*,'(A)') "Failed to open file "//TRIM(fix_filename)
+ total_error = total_error + 1
+ RETURN
+ ENDIF
+ ! The pos= specifier illustrates that positions are in bytes,
+ ! starting from byte 1 (as opposed to C, where they start from byte 0)
+ READ(10, POS=offset+1, IOSTAT=ios) rdata
+ IF(ios.NE.0)THEN
+ WRITE(*,'(A)') "Failed to read data from stream I/O "
+ total_error = total_error + 1
+ CLOSE(10)
+ RETURN
+ ENDIF
+
+ ! Check that the values read are the same as the values written
+ DO i = 1, dset_dim1
+ DO j = 1, dset_dim2
+ CALL VERIFY("h5dget_offset_f",rdata(i,j), data_in(i,j), total_error)
+ IF(total_error.NE.0)THEN
+ WRITE(*,'(A)') " Read different values than written."
+ WRITE(*,'(2(A,I0))') " At index ",i,",",j
+ CLOSE(10)
+ RETURN
+ ENDIF
+ END DO
+ END DO
+
+ CLOSE(10)
+
+ END SUBROUTINE test_userblock_offset
+
+END MODULE TH5D
+