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/****************************************************************************
 * NCSA HDF								    *
 * Software Development Group						    *
 * National Center for Supercomputing Applications			    *
 * University of Illinois at Urbana-Champaign				    *
 * 605 E. Springfield, Champaign IL 61820				    *
 *									    *
 * For conditions of distribution and use, see the accompanying		    *
 * hdf/COPYING file.							    *
 *									    *
 ****************************************************************************/

/* $Id$ */

/***********************************************************
*
* Test program:	 tfile
*
* Test the low-level file I/O features.
*
*************************************************************/

#include <testhdf5.h>

#include <H5private.h>
#include <H5Bprivate.h>
#include <H5Pprivate.h>

#define F1_USERBLOCK_SIZE  (hsize_t)0
#define F1_OFFSET_SIZE	   sizeof(haddr_t)
#define F1_LENGTH_SIZE	   sizeof(hsize_t)
#define F1_SYM_LEAF_K	   4
#define F1_SYM_INTERN_K	   16
#define FILE1	"tfile1.h5"

#define F2_USERBLOCK_SIZE  (hsize_t)512
#define F2_OFFSET_SIZE	   8
#define F2_LENGTH_SIZE	   8
#define F2_SYM_LEAF_K	   8
#define F2_SYM_INTERN_K	   32
#define FILE2	"tfile2.h5"

#define F3_USERBLOCK_SIZE  (hsize_t)0
#define F3_OFFSET_SIZE	   F2_OFFSET_SIZE
#define F3_LENGTH_SIZE	   F2_LENGTH_SIZE
#define F3_SYM_LEAF_K	   F2_SYM_LEAF_K
#define F3_SYM_INTERN_K	   F2_SYM_INTERN_K
#define FILE3	"tfile3.h5"

/****************************************************************
**
**  test_file_create(): Low-level file creation I/O test routine.
** 
****************************************************************/
static void 
test_file_create(void)
{
    hid_t		fid1, fid2, fid3; /* HDF5 File IDs		*/
    hid_t		tmpl1, tmpl2;	/*file creation templates	*/
    hsize_t		ublock;		/*sizeof userblock		*/
    size_t		parm;		/*file-creation parameters	*/
    size_t		parm2;		/*file-creation parameters	*/
    int			iparm, iparm2;
    herr_t		ret;		/*generic return value		*/

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Low-Level File Creation I/O\n"));

    /* Test create with various sequences of H5F_ACC_EXCL and */
    /* H5F_ACC_TRUNC flags */

    /* Create with H5F_ACC_EXCL */
    /* First ensure the file does not exist */
    remove(FILE1);
    fid1 = H5Fcreate(FILE1, H5F_ACC_EXCL, H5P_DEFAULT, H5P_DEFAULT);
    CHECK(fid1, FAIL, "H5Fcreate");

    /*
     * try to create the same file with H5F_ACC_TRUNC. This should fail
     * because fid1 is the same file and is currently open.
     */
    fid2 = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
    VERIFY(fid2, FAIL, "H5Fcreate");

    /* Close all files */
    ret = H5Fclose(fid1);
    CHECK(ret, FAIL, "H5Fclose");
    ret = H5Fclose(fid2);
    VERIFY(ret, FAIL, "H5Fclose"); /*file should not have been open */

    /*
     * Try again with H5F_ACC_EXCL. This should fail because the file already
     * exists from the previous steps.
     */
    fid1 = H5Fcreate(FILE1, H5F_ACC_EXCL, H5P_DEFAULT, H5P_DEFAULT);
    VERIFY(fid1, FAIL, "H5Fcreate");

    /* Test create with H5F_ACC_TRUNC. This will truncate the existing file. */
    fid1 = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
    CHECK(fid1, FAIL, "H5Fcreate");

    /*
     * Try to truncate first file again. This should fail because fid1 is the
     * same file and is currently open.
     */
    fid2 = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
    VERIFY(fid2, FAIL, "H5Fcreate");

    /*
     * Try with H5F_ACC_EXCL. This should fail too because the file already
     * exists.
     */
    fid2 = H5Fcreate(FILE1, H5F_ACC_EXCL, H5P_DEFAULT, H5P_DEFAULT);
    VERIFY(fid2, FAIL, "H5Fcreate");

    /* Get the file-creation template */
    tmpl1 = H5Fget_create_plist(fid1);
    CHECK(tmpl1, FAIL, "H5Fget_create_plist");

    /* Get the file-creation parameters */
    ret = H5Pget_userblock(tmpl1, &ublock);
    CHECK(ret, FAIL, "H5Pget_userblock");
    VERIFY(ublock, F1_USERBLOCK_SIZE, "H5Pget_userblock");

    ret = H5Pget_sizes(tmpl1, &parm, &parm2);
    CHECK(ret, FAIL, "H5Pget_sizes");
    VERIFY(parm, F1_OFFSET_SIZE, "H5Pget_sizes");
    VERIFY(parm2, F1_LENGTH_SIZE, "H5Pget_sizes");

    ret = H5Pget_sym_k(tmpl1, &iparm, &iparm2);
    CHECK(ret, FAIL, "H5Pget_sym_k");
    VERIFY(iparm, F1_SYM_INTERN_K, "H5Pget_sym_k");
    VERIFY(iparm2, F1_SYM_LEAF_K, "H5Pget_sym_k");

    /* Release file-creation template */
    ret = H5Pclose(tmpl1);
    CHECK(ret, FAIL, "H5Pclose");

#ifdef LATER
    /* Double-check that the atom has been vaporized */
    ret = H5Pclose(tmpl1);
    VERIFY(ret, FAIL, "H5Pclose");
#endif

    /* Create a new file with a non-standard file-creation template */
    tmpl1 = H5Pcreate(H5P_FILE_CREATE);
    CHECK(tmpl1, FAIL, "H5Pnew");

    /* Set the new file-creation parameters */
    ret = H5Pset_userblock(tmpl1, F2_USERBLOCK_SIZE);
    CHECK(ret, FAIL, "H5Pset_userblock");

    ret = H5Pset_sizes(tmpl1, F2_OFFSET_SIZE, F2_LENGTH_SIZE);
    CHECK(ret, FAIL, "H5Pset_sizes");

    ret = H5Pset_sym_k(tmpl1, F2_SYM_INTERN_K, F2_SYM_LEAF_K);
    CHECK(ret, FAIL, "H5Pset_sym_k");

    /*
     * Try to create second file, with non-standard file-creation template
     * params.
     */
    fid2 = H5Fcreate(FILE2, H5F_ACC_TRUNC, tmpl1, H5P_DEFAULT);
    CHECK(fid2, FAIL, "H5Fcreate");

    /* Release file-creation template */
    ret = H5Pclose(tmpl1);
    CHECK(ret, FAIL, "H5Pclose");

    /* Get the file-creation template */
    tmpl1 = H5Fget_create_plist(fid2);
    CHECK(tmpl1, FAIL, "H5Fget_create_plist");

    /* Get the file-creation parameters */
    ret = H5Pget_userblock(tmpl1, &ublock);
    CHECK(ret, FAIL, "H5Pget_userblock");
    VERIFY(ublock, F2_USERBLOCK_SIZE, "H5Pget_userblock");

    ret = H5Pget_sizes(tmpl1, &parm, &parm2);
    CHECK(ret, FAIL, "H5Pget_sizes");
    VERIFY(parm, F2_OFFSET_SIZE, "H5Pget_sizes");
    VERIFY(parm2, F2_LENGTH_SIZE, "H5Pget_sizes");

    ret = H5Pget_sym_k(tmpl1, &iparm, &iparm2);
    CHECK(ret, FAIL, "H5Pget_sym_k");
    VERIFY(iparm, F2_SYM_INTERN_K, "H5Pget_sym_k");
    VERIFY(iparm2, F2_SYM_LEAF_K, "H5Pget_sym_k");

    /* Clone the file-creation template */
    tmpl2 = H5Pcopy(tmpl1);
    CHECK(tmpl2, FAIL, "H5Pcopy");

    /* Release file-creation template */
    ret = H5Pclose(tmpl1);
    CHECK(ret, FAIL, "H5Pclose");

    /* Set the new file-creation parameter */
    ret = H5Pset_userblock(tmpl2, F3_USERBLOCK_SIZE);
    CHECK(ret, FAIL, "H5Pset_userblock");

    /*
     * Try to create second file, with non-standard file-creation template
     * params
     */
    fid3 = H5Fcreate(FILE3, H5F_ACC_TRUNC, tmpl2, H5P_DEFAULT);
    CHECK(fid3, FAIL, "H5Fcreate");

    /* Release file-creation template */
    ret = H5Pclose(tmpl2);
    CHECK(ret, FAIL, "H5Pclose");

    /* Get the file-creation template */
    tmpl1 = H5Fget_create_plist(fid3);
    CHECK(tmpl1, FAIL, "H5Fget_create_plist");

    /* Get the file-creation parameters */
    ret = H5Pget_userblock(tmpl1, &ublock);
    CHECK(ret, FAIL, "H5Pget_userblock");
    VERIFY(ublock, F3_USERBLOCK_SIZE, "H5Pget_userblock");

    ret = H5Pget_sizes(tmpl1, &parm, &parm2);
    CHECK(ret, FAIL, "H5Pget_sizes");
    VERIFY(parm, F3_OFFSET_SIZE, "H5Pget_sizes");
    VERIFY(parm2, F3_LENGTH_SIZE, "H5Pget_sizes");

    ret = H5Pget_sym_k(tmpl1, &iparm, &iparm2);
    CHECK(ret, FAIL, "H5Pget_sym_k");
    VERIFY(iparm, F3_SYM_INTERN_K, "H5Pget_sym_k");
    VERIFY(iparm2, F3_SYM_LEAF_K, "H5Pget_sym_k");

    /* Release file-creation template */
    ret = H5Pclose(tmpl1);
    CHECK(ret, FAIL, "H5Pclose");

    /* Close first file */
    ret = H5Fclose(fid1);
    CHECK(ret, FAIL, "H5Fclose");

    /* Close second file */
    ret = H5Fclose(fid2);
    CHECK(ret, FAIL, "H5Fclose");

    /* Close third file */
    ret = H5Fclose(fid3);
    CHECK(ret, FAIL, "H5Fclose");
}				/* test_file_create() */

/****************************************************************
**
**  test_file_open(): Low-level file open I/O test routine.
** 
****************************************************************/
static void 
test_file_open(void)
{
    hid_t		fid1;		/*HDF5 File IDs			*/
    hid_t		tmpl1;		/*file creation templates	*/
    hsize_t		ublock;		/*sizeof user block		*/
    size_t		parm;		/*file-creation parameters	*/
    size_t		parm2;		/*file-creation parameters	*/
    int			iparm, iparm2;
    herr_t		ret;		/*generic return value		*/

    /* Output message about test being performed */
    MESSAGE(5, ("Testing Low-Level File Opening I/O\n"));

    /* Open first file */
    fid1 = H5Fopen(FILE2, H5F_ACC_RDWR, H5P_DEFAULT);
    CHECK(fid1, FAIL, "H5Fopen");

    /* Get the file-creation template */
    tmpl1 = H5Fget_create_plist(fid1);
    CHECK(tmpl1, FAIL, "H5Fget_create_plist");

    /* Get the file-creation parameters */
    ret = H5Pget_userblock(tmpl1, &ublock);
    CHECK(ret, FAIL, "H5Pget_userblock");
    VERIFY(ublock, F2_USERBLOCK_SIZE, "H5Pget_userblock");

    ret = H5Pget_sizes(tmpl1, &parm, &parm2);
    CHECK(ret, FAIL, "H5Pget_sizes");
    VERIFY(parm, F2_OFFSET_SIZE, "H5Pget_sizes");
    VERIFY(parm2, F2_LENGTH_SIZE, "H5Pget_sizes");

    ret = H5Pget_sym_k(tmpl1, &iparm, &iparm2);
    CHECK(ret, FAIL, "H5Pget_sym_k");
    VERIFY(iparm, F2_SYM_INTERN_K, "H5Pget_sym_k");
    VERIFY(iparm2, F2_SYM_LEAF_K, "H5Pget_sym_k");

    /* Release file-creation template */
    ret = H5Pclose(tmpl1);
    CHECK(ret, FAIL, "H5Pclose");

    /* Close first file */
    ret = H5Fclose(fid1);
    CHECK(ret, FAIL, "H5Fclose");
}				/* test_file_open() */

/****************************************************************
**
**  test_file(): Main low-level file I/O test routine.
** 
****************************************************************/
void 
test_file(void)
{
    /* Output message about test being performed */
    MESSAGE(5, ("Testing Low-Level File I/O\n"));

    test_file_create();		/* Test file creation (also creation templates) */
    test_file_open();		/* Test file opening */
}				/* test_file() */


/*-------------------------------------------------------------------------
 * Function:	cleanup_file
 *
 * Purpose:	Cleanup temporary test files
 *
 * Return:	none
 *
 * Programmer:	Albert Cheng
 *              July 2, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
void
cleanup_file(void)
{
    remove(FILE1);
    remove(FILE2);
    remove(FILE3);
}