path: root/test/tcoords.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/***********************************************************
 *
 * Test program:	 tcoords
 *
 * Test the element coordinates for dataspace selection.  For
 * chunked dataset, when the hyperslab selection of some
 * dimensions is full, the library optimize it by "flattening"
 * the fully selected dimensions.  This program tests if the
 * coordinates of selected elements are correctly calculated.
 *
 *************************************************************/

#include "testhdf5.h"

#define FILENAME "coord.h5"

#define SINGLE_END_DSET           "single_end_dset"
#define MULTI_ENDS_SEL_HYPER_DSET "multiple_ends_dset"

#define NAME_LEN 128

/* Data written to the dataset for single block test.  Global variable
 * for convenience. */
static int da_buffer[2][3][6][2];

/***********************************************************
**
** test_singleEnd_selElements(): Test element selection of only
** one block.
**
*************************************************************/
static void
test_singleEnd_selElements(hid_t file, bool is_chunked)
{
    hid_t   sid, plid, did, msid;
    char    dset_name[NAME_LEN]; /* Dataset name */
    size_t  elmts_numb;
    herr_t  ret; /* Generic error return */
    int     i, j, k;
    hsize_t da_dims[4]      = {2, 3, 6, 2};
    hsize_t da_chunksize[4] = {1, 3, 3, 2};

    /* For testing the full selection in the fastest-growing end */
    int     mem1_buffer[1][1][6][2];
    hsize_t mem1_dims[4]     = {1, 1, 6, 2};
    hsize_t da_elmts1[12][4] = {{0, 0, 0, 0}, {0, 0, 0, 1}, {0, 0, 1, 0}, {0, 0, 1, 1},
                                {0, 0, 2, 0}, {0, 0, 2, 1}, {0, 0, 3, 0}, {0, 0, 3, 1},
                                {0, 0, 4, 0}, {0, 0, 4, 1}, {0, 0, 5, 0}, {0, 0, 5, 1}};

    /* For testing the full selection in the slowest-growing end */
    int     mem2_buffer[2][3][1][1];
    hsize_t mem2_dims[4]    = {2, 3, 1, 1};
    hsize_t da_elmts2[6][4] = {{0, 0, 0, 0}, {0, 1, 0, 0}, {0, 2, 0, 0},
                               {1, 0, 0, 0}, {1, 1, 0, 0}, {1, 2, 0, 0}};

    /* For testing the full selection in the middle dimensions */
    int     mem3_buffer[1][3][6][1];
    hsize_t mem3_dims[4]     = {1, 3, 6, 1};
    hsize_t da_elmts3[18][4] = {{0, 0, 0, 0}, {0, 0, 1, 0}, {0, 0, 2, 0}, {0, 0, 3, 0}, {0, 0, 4, 0},
                                {0, 0, 5, 0}, {0, 1, 0, 0}, {0, 1, 1, 0}, {0, 1, 2, 0}, {0, 1, 3, 0},
                                {0, 1, 4, 0}, {0, 1, 5, 0}, {0, 2, 0, 0}, {0, 2, 1, 0}, {0, 2, 2, 0},
                                {0, 2, 3, 0}, {0, 2, 4, 0}, {0, 2, 5, 0}};

    /* Create and write the dataset */
    sid = H5Screate_simple(4, da_dims, da_dims);
    CHECK(sid, FAIL, "H5Screate_simple");

    plid = H5Pcreate(H5P_DATASET_CREATE);
    CHECK(plid, FAIL, "H5Pcreate");

    if (is_chunked) {
        ret = H5Pset_chunk(plid, 4, da_chunksize);
        CHECK(ret, FAIL, "H5Pset_chunk");
    }

    /* Construct dataset's name */
    memset(dset_name, 0, (size_t)NAME_LEN);
    strcat(dset_name, SINGLE_END_DSET);
    if (is_chunked)
        strcat(dset_name, "_chunked");

    did = H5Dcreate2(file, dset_name, H5T_NATIVE_INT, sid, H5P_DEFAULT, plid, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dcreate2");

    /* Initialize the data to be written to file */
    for (i = 0; i < 2; i++) {
        for (j = 0; j < 3; j++) {
            for (k = 0; k < 6; k++) {
                da_buffer[i][j][k][0] = i * 100 + j * 10 + k;
                da_buffer[i][j][k][1] = i * 100 + j * 10 + k + 1;
            }
        }
    }

    ret = H5Dwrite(did, H5T_NATIVE_INT, sid, sid, H5P_DEFAULT, da_buffer);
    CHECK(ret, FAIL, "H5Dwrite");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    /* ****** Case 1: ******
     * Testing the full selection in the fastest-growing end */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    elmts_numb = 12;

    ret = H5Sselect_elements(sid, H5S_SELECT_SET, elmts_numb, (const hsize_t *)da_elmts1);
    CHECK(ret, FAIL, "H5Sselect_elements");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem1_dims, mem1_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem1_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 6; i++)
        for (j = 0; j < 2; j++)
            if (da_buffer[0][0][i][j] != mem1_buffer[0][0][i][j]) {
                TestErrPrintf("%u: Read different values than written at index 0,0,%d,%d\n", __LINE__, i, j);
            }

    /* ****** Case 2: ******
     * Testing the full selection in the slowest-growing end */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    elmts_numb = 6;

    ret = H5Sselect_elements(sid, H5S_SELECT_SET, elmts_numb, (const hsize_t *)da_elmts2);
    CHECK(ret, FAIL, "H5Sselect_elements");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem2_dims, mem2_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem2_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 2; i++)
        for (j = 0; j < 3; j++)
            if (da_buffer[i][j][0][0] != mem2_buffer[i][j][0][0]) {
                TestErrPrintf("%u: Read different values than written at index %d,%d,0,0, da_buffer = %d, "
                              "mem2_buffer = %d\n",
                              __LINE__, i, j, da_buffer[i][j][0][0], mem2_buffer[i][j][0][0]);
            }

    /* ****** Case 3: ******
     * Testing the full selection in the middle dimensions */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    elmts_numb = 18;

    ret = H5Sselect_elements(sid, H5S_SELECT_SET, elmts_numb, (const hsize_t *)da_elmts3);
    CHECK(ret, FAIL, "H5Sselect_elements");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem3_dims, mem3_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem3_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 3; i++)
        for (j = 0; j < 6; j++)
            if (da_buffer[0][i][j][0] != mem3_buffer[0][i][j][0]) {
                TestErrPrintf("%u: Read different values than written at index 0,%d,%d,0\n", __LINE__, i, j);
            }

    ret = H5Sclose(sid);
    CHECK(ret, FAIL, "H5Sclose");

    ret = H5Pclose(plid);
    CHECK(ret, FAIL, "H5Pclose");
}

/***********************************************************
**
** test_singleEnd_selHyperslab(): Test full hyperslab selection
** of only one block.
**
*************************************************************/
static void
test_singleEnd_selHyperslab(hid_t file, bool is_chunked)
{
    hid_t   sid, did, msid;
    char    dset_name[NAME_LEN]; /* Dataset name */
    herr_t  ret;                 /* Generic error return */
    int     i, j;
    hsize_t da_dims[4] = {2, 3, 6, 2};

    /* For testing the full selection in the fastest-growing end */
    int     mem1_buffer[1][1][6][2];
    hsize_t mem1_dims[4]   = {1, 1, 6, 2};
    hsize_t mem1_start[4]  = {0, 0, 0, 0};
    hsize_t mem1_count[4]  = {1, 1, 1, 1};
    hsize_t mem1_stride[4] = {1, 1, 1, 1};
    hsize_t mem1_block[4]  = {1, 1, 6, 2};

    /* For testing the full selection in the slowest-growing end */
    int     mem2_buffer[2][3][1][1];
    hsize_t mem2_dims[4]   = {2, 3, 1, 1};
    hsize_t mem2_start[4]  = {0, 0, 0, 0};
    hsize_t mem2_count[4]  = {1, 1, 1, 1};
    hsize_t mem2_stride[4] = {1, 1, 1, 1};
    hsize_t mem2_block[4]  = {2, 3, 1, 1};

    /* For testing the full selection in the middle dimensions */
    int     mem3_buffer[1][3][6][1];
    hsize_t mem3_dims[4]   = {1, 3, 6, 1};
    hsize_t mem3_start[4]  = {0, 0, 0, 0};
    hsize_t mem3_count[4]  = {1, 1, 1, 1};
    hsize_t mem3_stride[4] = {1, 1, 1, 1};
    hsize_t mem3_block[4]  = {1, 3, 6, 1};

    /* Construct dataset's name */
    memset(dset_name, 0, NAME_LEN);
    strcat(dset_name, SINGLE_END_DSET);
    if (is_chunked)
        strcat(dset_name, "_chunked");

    /* Dataspace for the dataset in file */
    sid = H5Screate_simple(4, da_dims, da_dims);
    CHECK(sid, FAIL, "H5Screate_simple");

    /* ****** Case 1: ******
     * Testing the full selection in the fastest-growing end */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem1_start, mem1_stride, mem1_count, mem1_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem1_dims, mem1_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem1_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 6; i++)
        for (j = 0; j < 2; j++)
            if (da_buffer[0][0][i][j] != mem1_buffer[0][0][i][j]) {
                TestErrPrintf("%u: Read different values than written at index 0,0,%d,%d\n", __LINE__, i, j);
            }

    /* ****** Case 2: ******
     * Testing the full selection in the slowest-growing end */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem2_start, mem2_stride, mem2_count, mem2_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem2_dims, mem2_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem2_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 2; i++)
        for (j = 0; j < 3; j++)
            if (da_buffer[i][j][0][0] != mem2_buffer[i][j][0][0]) {
                TestErrPrintf("%u: Read different values than written at index %d,%d,0,0\n", __LINE__, i, j);
            }

    /* ****** Case 3: ******
     * Testing the full selection in the middle dimensions */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem3_start, mem3_stride, mem3_count, mem3_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    /* Dataspace for memory buffer */
    msid = H5Screate_simple(4, mem3_dims, mem3_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem3_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 3; i++)
        for (j = 0; j < 6; j++)
            if (da_buffer[0][i][j][0] != mem3_buffer[0][i][j][0]) {
                TestErrPrintf("%u: Read different values than written at index 0,%d,%d,0\n", __LINE__, i, j);
            }

    ret = H5Sclose(sid);
    CHECK(ret, FAIL, "H5Sclose");
}

/***********************************************************
**
** test_multiple_end(): Test full hyperslab selection of
** multiple blocks.
**
*************************************************************/
static void
test_multiple_ends(hid_t file, bool is_chunked)
{
    hid_t   sid, plid, did, msid;
    char    dset_name[NAME_LEN]; /* Dataset name */
    herr_t  ret;                 /* Generic error return */
    int     i, j, k, l, m, n, p;
    hsize_t da_dims[8]      = {4, 5, 3, 4, 2, 3, 6, 2};
    hsize_t da_chunksize[8] = {1, 5, 3, 2, 2, 3, 3, 2};
    struct {
        int arr[4][5][3][4][2][3][6][2];
    } *data_buf = NULL;

    /* For testing the full selections in the fastest-growing end and in the middle dimensions */
    struct {
        int arr[1][1][1][4][2][1][6][2];
    } *mem1_buffer         = NULL;
    hsize_t mem1_dims[8]   = {1, 1, 1, 4, 2, 1, 6, 2};
    hsize_t mem1_start[8]  = {0, 0, 0, 0, 0, 0, 0, 0};
    hsize_t mem1_count[8]  = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem1_stride[8] = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem1_block[8]  = {1, 1, 1, 4, 2, 1, 6, 2};

    /* For testing the full selections in the slowest-growing end and in the middle dimensions */
    struct {
        int arr[4][5][1][4][2][1][1][1];
    } *mem2_buffer         = NULL;
    hsize_t mem2_dims[8]   = {4, 5, 1, 4, 2, 1, 1, 1};
    hsize_t mem2_start[8]  = {0, 0, 0, 0, 0, 0, 0, 0};
    hsize_t mem2_count[8]  = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem2_stride[8] = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem2_block[8]  = {4, 5, 1, 4, 2, 1, 1, 1};

    /* For testing two unadjacent full selections in the middle dimensions */
    struct {
        int arr[1][5][3][1][1][3][6][1];
    } *mem3_buffer         = NULL;
    hsize_t mem3_dims[8]   = {1, 5, 3, 1, 1, 3, 6, 1};
    hsize_t mem3_start[8]  = {0, 0, 0, 0, 0, 0, 0, 0};
    hsize_t mem3_count[8]  = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem3_stride[8] = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem3_block[8]  = {1, 5, 3, 1, 1, 3, 6, 1};

    /* For testing the full selections in the fastest-growing end and the slowest-growing end */
    struct {
        int arr[4][5][1][1][1][1][6][2];
    } *mem4_buffer         = NULL;
    hsize_t mem4_dims[8]   = {4, 5, 1, 1, 1, 1, 6, 2};
    hsize_t mem4_start[8]  = {0, 0, 0, 0, 0, 0, 0, 0};
    hsize_t mem4_count[8]  = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem4_stride[8] = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem4_block[8]  = {4, 5, 1, 1, 1, 1, 6, 2};

    /* For testing the full selections in the fastest-growing end and slowest-growing end,
     * also in the middle dimensions */
    struct {
        int arr[4][5][1][4][2][1][6][2];
    } *mem5_buffer         = NULL;
    hsize_t mem5_dims[8]   = {4, 5, 1, 4, 2, 1, 6, 2};
    hsize_t mem5_start[8]  = {0, 0, 0, 0, 0, 0, 0, 0};
    hsize_t mem5_count[8]  = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem5_stride[8] = {1, 1, 1, 1, 1, 1, 1, 1};
    hsize_t mem5_block[8]  = {4, 5, 1, 4, 2, 1, 6, 2};

    /* Initialize dynamic arrays */
    data_buf = calloc(1, sizeof(*data_buf));
    CHECK_PTR(data_buf, "calloc");
    mem1_buffer = calloc(1, sizeof(*mem1_buffer));
    CHECK_PTR(data_buf, "calloc");
    mem2_buffer = calloc(1, sizeof(*mem2_buffer));
    CHECK_PTR(data_buf, "calloc");
    mem3_buffer = calloc(1, sizeof(*mem3_buffer));
    CHECK_PTR(data_buf, "calloc");
    mem4_buffer = calloc(1, sizeof(*mem4_buffer));
    CHECK_PTR(data_buf, "calloc");
    mem5_buffer = calloc(1, sizeof(*mem5_buffer));
    CHECK_PTR(data_buf, "calloc");

    /* Create and write the dataset */
    sid = H5Screate_simple(8, da_dims, da_dims);
    CHECK(sid, FAIL, "H5Screate_simple");

    plid = H5Pcreate(H5P_DATASET_CREATE);
    CHECK(plid, FAIL, "H5Pcreate");

    if (is_chunked) {
        ret = H5Pset_chunk(plid, 8, da_chunksize);
        CHECK(ret, FAIL, "H5Pset_chunk");
    }

    /* Construct dataset's name */
    memset(dset_name, 0, NAME_LEN);
    strcat(dset_name, MULTI_ENDS_SEL_HYPER_DSET);
    if (is_chunked)
        strcat(dset_name, "_chunked");

    did = H5Dcreate2(file, dset_name, H5T_NATIVE_INT, sid, H5P_DEFAULT, plid, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dcreate2");

    for (i = 0; i < 4; i++)
        for (j = 0; j < 5; j++)
            for (k = 0; k < 3; k++)
                for (l = 0; l < 4; l++)
                    for (m = 0; m < 2; m++)
                        for (n = 0; n < 3; n++)
                            for (p = 0; p < 6; p++) {
                                data_buf->arr[i][j][k][l][m][n][p][0] =
                                    i * 1000000 + j * 100000 + k * 10000 + l * 1000 + m * 100 + n * 10 + p;
                                data_buf->arr[i][j][k][l][m][n][p][1] = i * 1000000 + j * 100000 + k * 10000 +
                                                                        l * 1000 + m * 100 + n * 10 + p + 1;
                            }

    ret = H5Dwrite(did, H5T_NATIVE_INT, sid, sid, H5P_DEFAULT, data_buf);
    CHECK(ret, FAIL, "H5Dwrite");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    /* ****** Case 1: ******
     * Testing the full selections in the fastest-growing end and in the middle dimensions*/
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem1_start, mem1_stride, mem1_count, mem1_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    msid = H5Screate_simple(8, mem1_dims, mem1_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem1_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 4; i++)
        for (j = 0; j < 2; j++)
            for (k = 0; k < 6; k++)
                for (l = 0; l < 2; l++)
                    if (data_buf->arr[0][0][0][i][j][0][k][l] != mem1_buffer->arr[0][0][0][i][j][0][k][l]) {
                        TestErrPrintf("%u: Read different values than written at index 0,0,0,%d,%d,0,%d,%d\n",
                                      __LINE__, i, j, k, l);
                    }

    /* ****** Case 2: ******
     * Testing the full selections in the slowest-growing end and in the middle dimensions*/
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem2_start, mem2_stride, mem2_count, mem2_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    msid = H5Screate_simple(8, mem2_dims, mem2_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem2_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 4; i++)
        for (j = 0; j < 5; j++)
            for (k = 0; k < 4; k++)
                for (l = 0; l < 2; l++)
                    if (data_buf->arr[i][j][0][k][l][0][0][0] != mem2_buffer->arr[i][j][0][k][l][0][0][0]) {
                        TestErrPrintf("%u: Read different values than written at index %d,%d,0,%d,%d,0,0,0\n",
                                      __LINE__, i, j, k, l);
                    }

    /* ****** Case 3: ******
     * Testing two unadjacent full selections in the middle dimensions */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem3_start, mem3_stride, mem3_count, mem3_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    msid = H5Screate_simple(8, mem3_dims, mem3_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem3_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 5; i++)
        for (j = 0; j < 3; j++)
            for (k = 0; k < 3; k++)
                for (l = 0; l < 6; l++)
                    if (data_buf->arr[0][i][j][0][0][k][l][0] != mem3_buffer->arr[0][i][j][0][0][k][l][0]) {
                        TestErrPrintf("%u: Read different values than written at index 0,%d,%d,0,0,%d,%d,0\n",
                                      __LINE__, i, j, k, l);
                    }

    /* ****** Case 4: ******
     * Testing the full selections in the fastest-growing end and the slowest-growing end */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem4_start, mem4_stride, mem4_count, mem4_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    msid = H5Screate_simple(8, mem4_dims, mem4_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem4_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 4; i++)
        for (j = 0; j < 5; j++)
            for (k = 0; k < 6; k++)
                for (l = 0; l < 2; l++)
                    if (data_buf->arr[i][j][0][0][0][0][k][l] != mem4_buffer->arr[i][j][0][0][0][0][k][l]) {
                        TestErrPrintf("%u: Read different values than written at index %d,%d,0,0,0,0,%d,%d\n",
                                      __LINE__, i, j, k, l);
                    }

    /* ****** Case 5: ******
     * Testing the full selections in the fastest-growing end and the slowest-growing end,
     * and also in the middle dimensions */
    did = H5Dopen2(file, dset_name, H5P_DEFAULT);
    CHECK(did, FAIL, "H5Dopen2");

    /* Select the elements in the dataset */
    ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, mem5_start, mem5_stride, mem5_count, mem5_block);
    CHECK(ret, FAIL, "H5Sselect_hyperslab");

    msid = H5Screate_simple(8, mem5_dims, mem5_dims);
    CHECK(msid, FAIL, "H5Screate_simple");

    ret = H5Sselect_all(msid);
    CHECK(ret, FAIL, "H5Sselect_all");

    ret = H5Dread(did, H5T_NATIVE_INT, msid, sid, H5P_DEFAULT, mem5_buffer);
    CHECK(ret, FAIL, "H5Dread");

    ret = H5Dclose(did);
    CHECK(ret, FAIL, "H5Dclose");

    ret = H5Sclose(msid);
    CHECK(ret, FAIL, "H5Sclose");

    for (i = 0; i < 4; i++)
        for (j = 0; j < 5; j++)
            for (k = 0; k < 4; k++)
                for (l = 0; l < 2; l++)
                    for (m = 0; m < 6; m++)
                        for (n = 0; n < 2; n++)
                            if (data_buf->arr[i][j][0][k][l][0][m][n] !=
                                mem5_buffer->arr[i][j][0][k][l][0][m][n]) {
                                TestErrPrintf(
                                    "%u: Read different values than written at index %d,%d,0,%d,%d,0,%d,%d\n",
                                    __LINE__, i, j, k, l, m, n);
                            }

    ret = H5Sclose(sid);
    CHECK(ret, FAIL, "H5Sclose");

    ret = H5Pclose(plid);
    CHECK(ret, FAIL, "H5Pclose");

    free(data_buf);
    free(mem1_buffer);
    free(mem2_buffer);
    free(mem3_buffer);
    free(mem4_buffer);
    free(mem5_buffer);
}

/****************************************************************
**
**  test_coords(): Main testing routine.
**
****************************************************************/
void
test_coords(void)
{
    hid_t  fid;
    bool   is_chunk[2] = {true, false};
    int    i;
    herr_t ret; /* Generic error return */

    fid = H5Fcreate(FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
    CHECK(fid, FAIL, "H5Fcreate");

    for (i = 0; i < 2; i++) {
        /* Test H5Sselect_elements with selection of one block of data */
        test_singleEnd_selElements(fid, is_chunk[i]);

        /* Test H5Sselect_hyperslab with selection of one block of data */
        test_singleEnd_selHyperslab(fid, is_chunk[i]);

        /* Test H5Sselect_hyperslab with selection of multiple blocks of data */
        test_multiple_ends(fid, is_chunk[i]);
    }

    ret = H5Fclose(fid);
    CHECK(ret, FAIL, "H5Fclose");
}

/*-------------------------------------------------------------------------
 * Function:	cleanup_coords
 *
 * Purpose:	Cleanup temporary test files
 *
 * Return:	none
 *
 *-------------------------------------------------------------------------
 */
void
cleanup_coords(void)
{
    H5E_BEGIN_TRY
    {
        H5Fdelete(FILENAME, H5P_DEFAULT);
    }
    H5E_END_TRY
}