/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Robb Matzke <matzke@llnl.gov>
 *              Friday, January 30, 1998
 *
 * Purpose:	Tests extendible datasets.
 */

#include "h5test.h"

const char *FILENAME[] = {
    "extend",
    NULL
};

#define NX	100		/* USE AN EVEN NUMBER!*/
#define NY	100		/* USE AN EVEN NUMBER!*/

/* Data buffers */
static int			buf1[NY][NX], buf2[NX / 2][NY / 2];


/*-------------------------------------------------------------------------
 * Function:	write_data
 *
 * Purpose:	Create extendible dataset and test extend/write/read
 *
 * Return:	Success:	0
 *		Failure:	-1
 *
 * Programmer:	Quincey Koziol
 *              Tuesday, June 10, 2003
 *
 *-------------------------------------------------------------------------
 */
static int
write_data(const char *msg, hid_t file, const char *name, hid_t cparms, hid_t mem_space)
{
    hid_t			dataset, file_space, half_space;
    static const hsize_t 	dims[2] = {NX, NY};
    static const hsize_t 	half_dims[2] = {NX / 2, NY / 2};
    hsize_t		        size[2];
    hsize_t		        max_size[2] = {0, 0};
    hsize_t			offset[2];
    int				i, j, k, m;

    TESTING(msg);

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, name, H5T_NATIVE_INT, mem_space, H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Write the data */
    for(i = 0; i < 5; i++)
	for(j = 0; j < 5; j++) {

	    /* Extend the dataset */
	    offset[0] = (hsize_t)(i * NX);
	    offset[1] = (hsize_t)(j * NY);
	    size[0] = offset[0] + NX;
	    size[1] = offset[1] + NY;
            if(size[0] > max_size[0] || size[1] > max_size[1]) {
                if(size[0] > max_size[0])
                    max_size[0] = size[0];
                if(size[1] > max_size[1])
                    max_size[1] = size[1];
                if(H5Dset_extent(dataset, max_size) < 0) TEST_ERROR;
            } /* end if */

	    /* Select a hyperslab */
            if((file_space = H5Dget_space(dataset)) < 0) TEST_ERROR;
	    if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, offset, NULL, dims, NULL) < 0) TEST_ERROR;

	    /* Write to the hyperslab */
	    if(H5Dwrite(dataset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, buf1) < 0) TEST_ERROR;
            if(H5Sclose(file_space) < 0) TEST_ERROR;
	} /* end for */

    /* Read the data */
    if((half_space = H5Screate_simple(2, half_dims, NULL)) < 0) TEST_ERROR;
    if((file_space = H5Dget_space(dataset)) < 0) TEST_ERROR;
    for(i = 0; i < 10; i++) {
	for(j = 0; j < 10; j++) {

	    /* Select a hyperslab */
	    offset[0] = (hsize_t)(i * (NX / 2));
	    offset[1] = (hsize_t)(j * (NY / 2));
	    if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, offset, NULL, half_dims, NULL) < 0) TEST_ERROR;

	    /* Read */
	    if(H5Dread(dataset, H5T_NATIVE_INT, half_space, file_space, H5P_DEFAULT, buf2) < 0) TEST_ERROR;

	    /* Compare */
	    for(k = 0; k < (NX / 2); k++)
		for(m = 0; m < (NY / 2); m++)
		    if(buf2[k][m] != buf1[(i % 2) * (NX / 2) + k][(j % 2) * (NY / 2) + m]) {
			printf("    i=%d, j=%d, k=%d, m=%d\n", i, j, k, m);
			printf("    buf2[%d][%d]=%d\n", k, m, buf2[k][m]);
			printf("    buf1[%d][%d]=%d\n", (i % 2) * (NX / 2) + k, (j % 2) * (NY / 2) + m, buf1[(i % 2) * (NX / 2) + k][(j % 2) * (NY / 2) + m]);
			TEST_ERROR;
		    } /* end if */
	} /* end for */
    } /* end for */


    /* Cleanup */
    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Sclose(file_space) < 0) TEST_ERROR;
    if(H5Sclose(half_space) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    return -1;
} /* end write_data() */

#ifndef H5_NO_DEPRECATED_SYMBOLS

/*-------------------------------------------------------------------------
 * Function:	write_data_deprec
 *
 * Purpose:	Create extendible dataset and test extend/write/read, with
 *              deprecated API routine (H5Dextend)
 *
 * Return:	Success:	0
 *		Failure:	-1
 *
 * Programmer:	Quincey Koziol
 *              Monday, October 8, 2007
 *
 *-------------------------------------------------------------------------
 */
static int
write_data_deprec(const char *msg, hid_t file, const char *name, hid_t cparms, hid_t mem_space)
{
    hid_t			dataset, file_space, half_space;
    static const hsize_t 	dims[2] = {NX, NY};
    static const hsize_t 	half_dims[2] = {NX / 2, NY / 2};
    static hsize_t		size[2];
    hsize_t			offset[2];
    int				i, j, k, m;

    TESTING(msg);

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, name, H5T_NATIVE_INT, mem_space, H5P_DEFAULT, cparms, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Write the data */
    for(i = 0; i < 5; i++)
	for(j = 0; j < 5; j++) {

	    /* Extend the dataset */
	    offset[0] = (hsize_t)(i * NX);
	    offset[1] = (hsize_t)(j * NY);
	    size[0] = offset[0] + NX;
	    size[1] = offset[1] + NY;
	    if(H5Dextend(dataset, size) < 0) TEST_ERROR;

	    /* Select a hyperslab */
            if((file_space = H5Dget_space(dataset)) < 0) TEST_ERROR;
	    if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, offset, NULL, dims, NULL) < 0) TEST_ERROR;

	    /* Write to the hyperslab */
	    if(H5Dwrite(dataset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, buf1) < 0) TEST_ERROR;
            if(H5Sclose(file_space) < 0) TEST_ERROR;
	} /* end for */

    /* Read the data */
    if((half_space = H5Screate_simple(2, half_dims, NULL)) < 0) TEST_ERROR;
    if((file_space = H5Dget_space(dataset)) < 0) TEST_ERROR;
    for(i = 0; i < 10; i++) {
	for(j = 0; j < 10; j++) {

	    /* Select a hyperslab */
	    offset[0] = (hsize_t)(i * (NX / 2));
	    offset[1] = (hsize_t)(j * (NY / 2));
	    if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, offset, NULL, half_dims, NULL) < 0) TEST_ERROR;

	    /* Read */
	    if(H5Dread(dataset, H5T_NATIVE_INT, half_space, file_space, H5P_DEFAULT, buf2) < 0) TEST_ERROR;

	    /* Compare */
	    for(k = 0; k < (NX / 2); k++)
		for(m = 0; m < (NY / 2); m++)
		    if(buf2[k][m] != buf1[(i % 2) * (NX / 2) + k][(j % 2) * (NY / 2) + m]) {
			printf("    i=%d, j=%d, k=%d, m=%d\n", i, j, k, m);
			printf("    buf2[%d][%d]=%d\n", k, m, buf2[k][m]);
			printf("    buf1[%d][%d]=%d\n", (i % 2) * (NX / 2) + k, (j % 2) * (NY / 2) + m, buf1[(i % 2) * (NX / 2) + k][(j % 2) * (NY / 2) + m]);
			TEST_ERROR;
		    } /* end if */
	} /* end for */
    } /* end for */


    /* Cleanup */
    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Sclose(file_space) < 0) TEST_ERROR;
    if(H5Sclose(half_space) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    return -1;
} /* end write_data_deprec() */
#endif /* H5_NO_DEPRECATED_SYMBOLS */


/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:	Tests extendible datasets
 *
 * Return:	Success:	exit(0)
 *
 *		Failure:	exit(non-zero)
 *
 * Programmer:	Robb Matzke
 *              Friday, January 30, 1998
 *
 * Modifications:
 *              Took main data code out into write_data() routine, to allow
 *              different dataset creation property list settings to be tested.
 *              Quincey Koziol
 *              Tuesday, June 10, 2003
 *
 *-------------------------------------------------------------------------
 */
int
main (void)
{
    hid_t			file, mem_space, cparms;
    hid_t			fapl;
    int		nerrors = 0;
    static const hsize_t	dims[2] = {NX, NY};
    static const hsize_t 	chunk_dims[2] = {NX/2, NY/2};
    static hsize_t		maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
    char			filename[1024];
    int				i, j;

    h5_reset();
    fapl = h5_fileaccess();

    /* Initialize buffer and space */
    for(i = 0; i < NX; i++)
        for(j = 0; j < NY; j++)
            buf1[i][j] = i * NY + j;

    if((mem_space = H5Screate_simple(2, dims, maxdims)) < 0) TEST_ERROR;

    /* Create the file */
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) TEST_ERROR;

    /* Create the dataset creation property list */
    if((cparms = H5Pcreate(H5P_DATASET_CREATE)) < 0) TEST_ERROR;
    if(H5Pset_chunk(cparms, 2, chunk_dims) < 0) TEST_ERROR;

    /* Test with incremental allocation */
    nerrors += write_data("extendible dataset with incr. allocation", file, "dataset1a", cparms, mem_space) < 0 ? 1 : 0;
#ifndef H5_NO_DEPRECATED_SYMBOLS
    nerrors += write_data_deprec("extendible dataset with incr. allocation w/deprec. symbols", file, "dataset1b", cparms, mem_space) < 0 ? 1 : 0;
#endif /* H5_NO_DEPRECATED_SYMBOLS */

    /* Test with early allocation */
    if(H5Pset_alloc_time(cparms, H5D_ALLOC_TIME_EARLY) < 0) TEST_ERROR;
    nerrors += write_data("extendible dataset with early allocation", file, "dataset2a", cparms, mem_space) < 0 ? 1 : 0;
#ifndef H5_NO_DEPRECATED_SYMBOLS
    nerrors += write_data_deprec("extendible dataset with early allocation w/deprec. symbols", file, "dataset2b", cparms, mem_space) < 0 ? 1 : 0;
#endif /* H5_NO_DEPRECATED_SYMBOLS */

    if(H5Pclose(cparms) < 0) TEST_ERROR;
    if(H5Sclose(mem_space) < 0) TEST_ERROR;
    if(H5Fclose(file) < 0) TEST_ERROR;

    /* Verify symbol table messages are cached */
    nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);

    if(nerrors) {
        printf("***** %d FAILURE%s! *****\n", nerrors, (1 == nerrors) ? "" : "S");
        exit(EXIT_FAILURE);
    } /* end if */

    printf("All extend tests passed.\n");
    h5_cleanup(FILENAME, fapl);

    return 0;

error:
    printf("*** One or more extend tests failed ***\n");
    return 1;
}

