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Diffstat (limited to 'fortran/test/tH5F_F03.F90')
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1 files changed, 179 insertions, 0 deletions
diff --git a/fortran/test/tH5F_F03.F90 b/fortran/test/tH5F_F03.F90 new file mode 100644 index 0000000..9e23d19 --- /dev/null +++ b/fortran/test/tH5F_F03.F90 @@ -0,0 +1,179 @@ +!****h* root/fortran/test/tH5F_F03.f90 +! +! NAME +! tH5F_F03.f90 +! +! FUNCTION +! Test FORTRAN HDF5 H5F APIs which are dependent on FORTRAN 2003 +! features. +! +! 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 H5F APIs functionalities of: +! h5fget_file_image_f +! +! CONTAINS SUBROUTINES +! test_get_file_image +! +!***** + +! ***************************************** +! *** H 5 F T E S T S +! ***************************************** + +MODULE TH5F_F03 + + USE HDF5 + USE TH5_MISC + USE TH5_MISC_GEN + USE ISO_C_BINDING + +CONTAINS + +SUBROUTINE test_get_file_image(total_error) + ! + ! Tests the wrapper for h5fget_file_image + ! + IMPLICIT NONE + + INTEGER, INTENT(INOUT) :: total_error ! returns error + + CHARACTER(kind=c_char), ALLOCATABLE, DIMENSION(:), TARGET :: file_image_ptr ! Image from file + CHARACTER(kind=c_char), ALLOCATABLE, DIMENSION(:), TARGET :: image_ptr ! Image from h5fget_file_image_f + + INTEGER, DIMENSION(1:100), TARGET :: data ! Write data + INTEGER :: i, file_sz + INTEGER(hid_t) :: file_id = -1 ! File identifier + INTEGER(hid_t) :: dset_id = -1 ! Dataset identifier + INTEGER(hid_t) :: space_id = -1 ! Dataspace identifier + INTEGER(hsize_t), DIMENSION(1:2) :: dims ! Dataset dimensions + INTEGER(size_t) :: itmp_a, itmp_b ! General purpose integers + INTEGER(size_t) :: image_size ! Size of image + TYPE(C_PTR) :: f_ptr ! Pointer + INTEGER(hid_t) :: fapl ! File access property + INTEGER :: error ! Error flag + + ! Create new properties for file access + CALL h5pcreate_f(H5P_FILE_ACCESS_F, fapl, error) + CALL check("h5pcreate_f", error, total_error) + + ! Set standard I/O driver + CALL h5pset_fapl_stdio_f(fapl, error) + CALL check("h5pset_fapl_stdio_f", error, total_error) + + ! Create the file + CALL h5fcreate_f("tget_file_image.h5", H5F_ACC_TRUNC_F, file_id, error, H5P_DEFAULT_F, fapl) + CALL check("h5fcreate_f", error, total_error) + + ! Set up data space for new data set + dims(1:2) = (/10,10/) + + CALL h5screate_simple_f(2, dims, space_id, error) + CALL check("h5screate_simple_f", error, total_error) + + ! Create a dataset + CALL h5dcreate_f(file_id, "dset 0", H5T_NATIVE_INTEGER, space_id, dset_id, error) + CALL check("h5dcreate_f", error, total_error) + + ! Write some data to the data set + DO i = 1, 100 + data(i) = i + ENDDO + + f_ptr = C_LOC(data(1)) + CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, f_ptr, error) + CALL check("h5dwrite_f",error, total_error) + + ! Flush the file + CALL h5fflush_f(file_id, H5F_SCOPE_GLOBAL_F, error) + CALL check("h5fflush_f",error, total_error) + + ! Open the test file using standard I/O calls + OPEN(UNIT=10,FILE='tget_file_image.h5', ACCESS='STREAM') + ! Get the size of the test file + ! + ! Since we use the eoa to calculate the image size, the file size + ! may be larger. This is OK, as long as (in this specialized instance) + ! the remainder of the file is all '\0's. + ! + ! With latest mods to truncate call in core file drive, + ! file size should match image size; get the file size + INQUIRE(UNIT=10, SIZE=file_sz) + CLOSE(UNIT=10) + + ! I. Get buffer size needed to hold the buffer + + ! A. Preferred way to get the size + f_ptr = C_NULL_PTR + CALL h5fget_file_image_f(file_id, f_ptr, INT(0, size_t), error, image_size) + CALL check("h5fget_file_image_f",error, total_error) + CALL verify("h5fget_file_image_f", file_sz, INT(image_size), total_error) + + ! B. f_ptr set to point to an incorrect buffer, should pass anyway + f_ptr = C_LOC(data(1)) + itmp_a = 1 + CALL h5fget_file_image_f(file_id, f_ptr, itmp_a, error, image_size) + CALL check("h5fget_file_image_f",error, total_error) + CALL verify("h5fget_file_image_f", INT(itmp_a), 1, total_error) ! Routine should not change the value + CALL verify("h5fget_file_image_f", file_sz, INT(image_size), total_error) + + ! Allocate a buffer of the appropriate size + ALLOCATE(image_ptr(1:image_size)) + + ! Load the image of the file into the buffer + f_ptr = C_LOC(image_ptr(1)(1:1)) + CALL h5fget_file_image_f(file_id, f_ptr, image_size, error) + CALL check("h5fget_file_image_f",error, total_error) + + ! Close dset and space + CALL h5dclose_f(dset_id, error) + CALL check("h5dclose_f", error, total_error) + CALL h5sclose_f(space_id, error) + CALL check("h5sclose_f", error, total_error) + ! Close the test file + CALL h5fclose_f(file_id, error) + CALL check("h5fclose_f",error, total_error) + + ! Allocate a buffer for the test file image + ALLOCATE(file_image_ptr(1:image_size)) + + ! Open the test file using standard I/O calls + OPEN(UNIT=10,FILE='tget_file_image.h5', FORM='UNFORMATTED', ACCESS='STREAM') + + ! Read the test file from disk into the buffer + DO i = 1, image_size + READ(10) file_image_ptr(i) + ENDDO + + CLOSE(10) + + ! verify the file and the image contain the same data + DO i = 1, image_size + ! convert one byte to an unsigned integer + IF( ICHAR(file_image_ptr(i)) .NE. ICHAR(image_ptr(i)))THEN + total_error = total_error + 1 + EXIT + ENDIF + ENDDO + + ! release resources + DEALLOCATE(file_image_ptr,image_ptr) + +END SUBROUTINE test_get_file_image + +END MODULE TH5F_F03 |