path: root/test/stab.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.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Robb Matzke
 *              Tuesday, November 24, 1998
 */

#define H5G_FRIEND /*suppress error about including H5Gpkg      */

/* Define this macro to indicate that the testing APIs should be available */
#define H5G_TESTING

#include "h5test.h"
#include "H5Gpkg.h" /* Groups                */

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

#define NAME_BUF_SIZE 1024

/* Definitions for 'long' test */
#define LONG_NAME_LEN 40960

/* Definitions for 'large' test */
#define LARGE_NOBJS 5000

/* Definitions for 'lifecycle' test */
#define LIFECYCLE_TOP_GROUP            "top"
#define LIFECYCLE_BOTTOM_GROUP         "bottom %u"
#define LIFECYCLE_LOCAL_HEAP_SIZE_HINT 256
#define LIFECYCLE_MAX_COMPACT          4
#define LIFECYCLE_MIN_DENSE            3
#define LIFECYCLE_EST_NUM_ENTRIES      4
#define LIFECYCLE_EST_NAME_LEN         8

/* Definitions for 'long_compact' test */
#define LONG_COMPACT_LENGTH ((64 * 1024) + 1024)

/* Definitions for 'read_old' test */
#define READ_OLD_NGROUPS 100

/* The group_old.h5 is generated from gen_old_fill.c in HDF5 'test' directory
 * for version 1.6.  To get this data file, simply compile gen_old_group.c with
 * the HDF5 library in that branch and run it. */
#define FILE_OLD_GROUPS      "group_old.h5"
#define FILE_OLD_GROUPS_COPY "group_old_copy.h5"

/* Definitions for 'no_compact' test */
#define NO_COMPACT_TOP_GROUP    "top"
#define NO_COMPACT_BOTTOM_GROUP "bottom %u"
#define NO_COMPACT_MAX_COMPACT  0
#define NO_COMPACT_MIN_DENSE    0

/* Definitions for 'gcpl_on_root' test */
#define GCPL_ON_ROOT_MIDDLE_GROUP "/middle"
#define GCPL_ON_ROOT_BOTTOM_GROUP "/middle/bottom"
#define GCPL_ON_ROOT_MAX_COMPACT  4
#define GCPL_ON_ROOT_MIN_DENSE    2

#ifndef H5_NO_DEPRECATED_SYMBOLS
/* Definitions for 'old_api' test */
#define OLD_API_GROUP "/old_api"
#endif /* H5_NO_DEPRECATED_SYMBOLS */

/* Definitions for 'corrupt_stab_msg' test */
#define CORRUPT_STAB_FILE     "corrupt_stab_msg.h5"
#define CORRUPT_STAB_TMP_FILE "corrupt_stab_msg_tmp.h5"
#define CORRUPT_STAB_DSET     "DS1"

/*-------------------------------------------------------------------------
 * Function:    test_misc
 *
 * Purpose:    Test miscellaneous group stuff.
 *
 * Return:    Success:    0
 *
 *        Failure:    number of errors
 *
 * Programmer:    Robb Matzke
 *              Tuesday, November 24, 1998
 *
 *-------------------------------------------------------------------------
 */
static int
test_misc(hid_t fcpl, hid_t fapl, hbool_t new_format)
{
    hid_t fid = (-1); /* File ID */
    hid_t g1 = (-1), g2 = (-1), g3 = (-1);
    char  filename[NAME_BUF_SIZE];
    char  comment[64];

    if (new_format)
        TESTING("miscellaneous group tests (w/new group format)");
    else
        TESTING("miscellaneous group tests");

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

    /* Create initial groups for testing, then close */
    if ((g1 = H5Gcreate2(fid, "test_1a", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g2 = H5Gcreate2(g1, "sub_1", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g3 = H5Gcreate2(fid, "test_1b", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if (H5Oset_comment(g3, "hello world") < 0)
        TEST_ERROR;
    if (H5Gclose(g1) < 0)
        TEST_ERROR;
    if (H5Gclose(g2) < 0)
        TEST_ERROR;
    if (H5Gclose(g3) < 0)
        TEST_ERROR;

    /* Open all groups with absolute names to check for existence */
    if ((g1 = H5Gopen2(fid, "/test_1a", H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g2 = H5Gopen2(fid, "/test_1a/sub_1", H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g3 = H5Gopen2(fid, "/test_1b", H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if (H5Oget_comment_by_name(g3, "././.", comment, sizeof comment, H5P_DEFAULT) < 0)
        TEST_ERROR;
    if (HDstrcmp(comment, "hello world") != 0) {
        H5_FAILED();
        HDputs("    Read the wrong comment string from the group.");
        HDprintf("    got: \"%s\"\n    ans: \"hello world\"\n", comment);
        TEST_ERROR;
    }
    if (H5Gclose(g1) < 0)
        TEST_ERROR;
    if (H5Gclose(g2) < 0)
        TEST_ERROR;
    if (H5Gclose(g3) < 0)
        TEST_ERROR;

    /* Check that creating groups with no-op names isn't allowed */
    H5E_BEGIN_TRY
    {
        g1 = H5Gcreate2(fid, "/", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
    }
    H5E_END_TRY
    if (g1 >= 0)
        TEST_ERROR;

    H5E_BEGIN_TRY
    {
        g1 = H5Gcreate2(fid, "./././", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
    }
    H5E_END_TRY
    if (g1 >= 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(g1);
        H5Gclose(g2);
        H5Gclose(g3);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
}

/*-------------------------------------------------------------------------
 * Purpose:     Creates a group with a very long name
 *
 * Return:      Success:    0
 *
 *         Failure:    number of errors
 *
 * Programmer:  Robb Matzke 2002-03-28
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
static int
test_long(hid_t fcpl, hid_t fapl, hbool_t new_format)
{
    hid_t  fid = (-1); /* File ID */
    hid_t  g1 = (-1), g2 = (-1);
    char  *name1 = NULL, *name2 = NULL;
    char   filename[NAME_BUF_SIZE];
    size_t i;

    if (new_format)
        TESTING("long names (w/new group format)");
    else
        TESTING("long names");

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

    /* Group names */
    name1 = (char *)HDmalloc((size_t)LONG_NAME_LEN);
    for (i = 0; i < LONG_NAME_LEN; i++)
        name1[i] = (char)('A' + i % 26);
    name1[LONG_NAME_LEN - 1] = '\0';
    size_t name2Len          = (2 * LONG_NAME_LEN) + 2;
    name2                    = (char *)HDmalloc(name2Len);
    HDsnprintf(name2, name2Len, "%s/%s", name1, name1);

    /* Create groups */
    if ((g1 = H5Gcreate2(fid, name1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g2 = H5Gcreate2(g1, name1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if (H5Gclose(g1) < 0)
        TEST_ERROR;
    if (H5Gclose(g2) < 0)
        TEST_ERROR;

    /* Open groups */
    if ((g1 = H5Gopen2(fid, name1, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if ((g2 = H5Gopen2(fid, name2, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if (H5Gclose(g1) < 0)
        TEST_ERROR;
    if (H5Gclose(g2) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Release name buffers */
    HDfree(name2);
    HDfree(name1);

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(g1);
        H5Gclose(g2);
        H5Fclose(fid);
        HDfree(name2);
        HDfree(name1);
    }
    H5E_END_TRY;
    return 1;
} /* end test_long() */

/*-------------------------------------------------------------------------
 * Function:    test_large
 *
 * Purpose:     Creates a really large directory.
 *
 * Return:      Success:    0
 *
 *         Failure:    number of errors
 *
 * Programmer:  Robb Matzke
 *              robb@maya.nuance.com
 *              Aug 29 1997
 *
 *-------------------------------------------------------------------------
 */
static int
test_large(hid_t fcpl, hid_t fapl, hbool_t new_format)
{
    hid_t fid = (-1);             /* File ID */
    hid_t cwg = (-1), dir = (-1); /* Group IDs */
    char  filename[NAME_BUF_SIZE];
    char  name[NAME_BUF_SIZE];
    int   i;

    if (new_format)
        TESTING("large directories (w/new group format)");
    else
        TESTING("large directories");

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

    /*
     * Create a directory that has so many entries that the root
     * of the B-tree ends up splitting.
     */
    if ((cwg = H5Gcreate2(fid, "/big", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;
    if (new_format)
        if (H5G__has_stab_test(cwg) != FALSE)
            TEST_ERROR;
    for (i = 0; i < LARGE_NOBJS; i++) {
        HDsnprintf(name, sizeof(name), "%05d%05d", (HDrandom() % 100000), i);
        if ((dir = H5Gcreate2(cwg, name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
            TEST_ERROR;
        if (H5Gclose(dir) < 0)
            TEST_ERROR;
    }
    if (new_format)
        if (H5G__is_new_dense_test(cwg) != TRUE)
            TEST_ERROR;
    if (H5Gclose(cwg) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(dir);
        H5Gclose(cwg);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
} /* end test_large() */

/*-------------------------------------------------------------------------
 * Function:    lifecycle
 *
 * Purpose:     Test that adding links to a group follow proper "lifecycle"
 *              of empty->compact->symbol table->compact->empty.  (As group
 *              is created, links are added, then links removed)
 *
 * Return:      Success:        0
 *
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Monday, October 17, 2005
 *
 *-------------------------------------------------------------------------
 */
static int
lifecycle(hid_t fcpl, hid_t fapl2)
{
    hid_t             fid  = (-1);            /* File ID */
    hid_t             gid  = (-1);            /* Group ID */
    hid_t             gid2 = (-1);            /* Datatype ID */
    hid_t             gcpl = (-1);            /* Group creation property list ID */
    size_t            lheap_size_hint;        /* Local heap size hint */
    unsigned          max_compact;            /* Maximum # of links to store in group compactly */
    unsigned          min_dense;              /* Minimum # of links to store in group "densely" */
    unsigned          est_num_entries;        /* Estimated # of entries in group */
    unsigned          est_name_len;           /* Estimated length of entry name */
    unsigned          nmsgs;                  /* Number of messages in group's header */
    H5O_native_info_t ninfo;                  /* Object info */
    char              objname[NAME_BUF_SIZE]; /* Object name */
    char              filename[NAME_BUF_SIZE];
    h5_stat_size_t    empty_size; /* Size of an empty file */
    unsigned          u;          /* Local index variable */
    h5_stat_size_t    file_size;  /* Size of each file created */

    TESTING("group lifecycle");

    /* Create file */
    h5_fixname(FILENAME[0], fapl2, filename, sizeof(filename));
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl2)) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((empty_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Re-open file */
    if ((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl2)) < 0)
        TEST_ERROR;

    /* Set up group creation property list */
    if ((gcpl = H5Pcreate(H5P_GROUP_CREATE)) < 0)
        TEST_ERROR;

    /* Query default group creation property settings */
    if (H5Pget_local_heap_size_hint(gcpl, &lheap_size_hint) < 0)
        TEST_ERROR;
    if (lheap_size_hint != H5G_CRT_GINFO_LHEAP_SIZE_HINT)
        TEST_ERROR;
    if (H5Pget_link_phase_change(gcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != H5G_CRT_GINFO_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != H5G_CRT_GINFO_MIN_DENSE)
        TEST_ERROR;
    if (H5Pget_est_link_info(gcpl, &est_num_entries, &est_name_len) < 0)
        TEST_ERROR;
    if (est_num_entries != H5G_CRT_GINFO_EST_NUM_ENTRIES)
        TEST_ERROR;
    if (est_name_len != H5G_CRT_GINFO_EST_NAME_LEN)
        TEST_ERROR;

    /* Set GCPL parameters */
    if (H5Pset_local_heap_size_hint(gcpl, (size_t)LIFECYCLE_LOCAL_HEAP_SIZE_HINT) < 0)
        TEST_ERROR;
    if (H5Pset_link_phase_change(gcpl, LIFECYCLE_MAX_COMPACT, LIFECYCLE_MIN_DENSE) < 0)
        TEST_ERROR;
    if (H5Pset_est_link_info(gcpl, LIFECYCLE_EST_NUM_ENTRIES, LIFECYCLE_EST_NAME_LEN) < 0)
        TEST_ERROR;

    /* Create group for testing lifecycle */
    if ((gid = H5Gcreate2(fid, LIFECYCLE_TOP_GROUP, H5P_DEFAULT, gcpl, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Query group creation property settings */
    if (H5Pget_local_heap_size_hint(gcpl, &lheap_size_hint) < 0)
        TEST_ERROR;
    if (lheap_size_hint != LIFECYCLE_LOCAL_HEAP_SIZE_HINT)
        TEST_ERROR;
    if (H5Pget_link_phase_change(gcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != LIFECYCLE_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != LIFECYCLE_MIN_DENSE)
        TEST_ERROR;
    if (H5Pget_est_link_info(gcpl, &est_num_entries, &est_name_len) < 0)
        TEST_ERROR;
    if (est_num_entries != LIFECYCLE_EST_NUM_ENTRIES)
        TEST_ERROR;
    if (est_name_len != LIFECYCLE_EST_NAME_LEN)
        TEST_ERROR;

    /* Use internal testing routine to check that the group has no links or symbol table */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Create first "bottom" group */
    HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, (unsigned)0);
    if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on bottom group's status */
    if (H5G__is_empty_test(gid2) != TRUE)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, &nmsgs) != TRUE)
        TEST_ERROR;
    if (nmsgs != 1)
        TEST_ERROR;

    /* Create several more bottom groups, to push the top group almost to a symbol table */
    /* (Start counting at '1', since we've already created one bottom group */
    for (u = 1; u < LIFECYCLE_MAX_COMPACT; u++) {
        HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);
        if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
            TEST_ERROR;

        /* Check on bottom group's status */
        if (H5G__is_empty_test(gid2) != TRUE)
            TEST_ERROR;

        /* Close bottom group */
        if (H5Gclose(gid2) < 0)
            TEST_ERROR;
    } /* end for */

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, &nmsgs) != TRUE)
        TEST_ERROR;
    if (nmsgs != LIFECYCLE_MAX_COMPACT)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != FALSE)
        TEST_ERROR;

    /* Check that the object header is only one chunk and the space has been allocated correctly */
    if (H5Oget_native_info(gid, &ninfo, H5O_NATIVE_INFO_HDR) < 0)
        TEST_ERROR;
    if (ninfo.hdr.space.total != 151)
        TEST_ERROR;
    if (ninfo.hdr.space.free != 0)
        TEST_ERROR;
    if (ninfo.hdr.nmesgs != 6)
        TEST_ERROR;
    if (ninfo.hdr.nchunks != 1)
        TEST_ERROR;

    /* Create one more "bottom" group, which should push top group into using a symbol table */
    HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);
    if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on bottom group's status */
    if (H5G__is_empty_test(gid2) != TRUE)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Check that the object header is still one chunk and the space has been allocated correctly */
    if (H5Oget_native_info(gid, &ninfo, H5O_NATIVE_INFO_HDR) < 0)
        TEST_ERROR;
    if (ninfo.hdr.space.total != 151)
        TEST_ERROR;
    if (ninfo.hdr.space.free != 92)
        TEST_ERROR;
    if (ninfo.hdr.nmesgs != 3)
        TEST_ERROR;
    if (ninfo.hdr.nchunks != 1)
        TEST_ERROR;

    /* Unlink objects from top group */
    while (u >= LIFECYCLE_MIN_DENSE) {
        HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);

        if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
            FAIL_STACK_ERROR;

        u--;
    } /* end while */

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Unlink one more object from the group, which should transform back to using links */
    HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;
    u--;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, &nmsgs) != TRUE)
        TEST_ERROR;
    if (nmsgs != (LIFECYCLE_MIN_DENSE - 1))
        TEST_ERROR;

    /* Unlink last two objects from top group */
    HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;
    u--;
    HDsnprintf(objname, sizeof(objname), LIFECYCLE_BOTTOM_GROUP, u);
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Close top group */
    if (H5Gclose(gid) < 0)
        TEST_ERROR;

    /* Unlink top group */
    if (H5Ldelete(fid, LIFECYCLE_TOP_GROUP, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Close GCPL */
    if (H5Pclose(gcpl) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((file_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Verify that file is correct size */
    if (file_size != empty_size)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(gcpl);
        H5Gclose(gid2);
        H5Gclose(gid);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
} /* end lifecycle() */

/*-------------------------------------------------------------------------
 * Function:    long_compact
 *
 * Purpose:     Test that long links are correctly _not_ put into compact
 *              form.
 *
 * Return:      Success:        0
 *
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Tuesday, October 18, 2005
 *
 *-------------------------------------------------------------------------
 */
static int
long_compact(hid_t fcpl, hid_t fapl2)
{
    hid_t          fid     = (-1); /* File ID */
    hid_t          gid     = (-1); /* Group ID */
    hid_t          gid2    = (-1); /* Group ID */
    char          *objname = NULL; /* Object name */
    char           filename[NAME_BUF_SIZE];
    h5_stat_size_t empty_size; /* Size of an empty file */
    h5_stat_size_t file_size;  /* Size of each file created */

    TESTING("long link names in compact groups");

    /* Create file */
    h5_fixname(FILENAME[0], fapl2, filename, sizeof(filename));
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl2)) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((empty_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Construct very long object name template */
    if (NULL == (objname = (char *)HDmalloc((size_t)(LONG_COMPACT_LENGTH + 1))))
        TEST_ERROR;
    HDmemset(objname, 'a', (size_t)LONG_COMPACT_LENGTH);
    objname[LONG_COMPACT_LENGTH] = '\0';

    /* Re-open file */
    if ((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl2)) < 0)
        TEST_ERROR;

    /* Create top group */
    if ((gid = H5Gcreate2(fid, "top", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Use internal testing routine to check that the group has no links or dense storage */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Create first group with "long" name */
    if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on bottom group's status */
    if (H5G__is_empty_test(gid2) != TRUE)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Check on top group's status */
    /* (Should have dense storage to hold links, since name is too long for object header message) */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Create second group with "long" name */
    objname[0] = 'b';
    if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on bottom group's status */
    if (H5G__is_empty_test(gid2) != TRUE)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Check on top group's status */
    /* (Should have dense storage to hold links, since name is too long for object header message) */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Unlink second object from top group */
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Check on top group's status */
    /* (Should still be dense storage to hold links, since name is too long for object header message) */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Unlink first object from top group */
    objname[0] = 'a';
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Check on top group's status */
    /* (Should have deleted the dense storage now) */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Free object name */
    HDfree(objname);
    objname = NULL;

    /* Close top group */
    if (H5Gclose(gid) < 0)
        TEST_ERROR;

    /* Unlink top group */
    if (H5Ldelete(fid, "top", H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((file_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Verify that file is correct size */
    if (file_size != empty_size)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(gid2);
        H5Gclose(gid);
        H5Fclose(fid);
    }
    H5E_END_TRY;

    if (objname)
        HDfree(objname);

    return 1;
} /* end long_compact() */

/*-------------------------------------------------------------------------
 * Function:    read_old
 *
 * Purpose:     Test reading a file with "old style" (symbol table) groups
 *
 * Return:      Success:        0
 *
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Monday, October 24, 2005
 *
 *-------------------------------------------------------------------------
 */
static int
read_old(void)
{
    hid_t    fid  = (-1);            /* File ID */
    hid_t    gid  = (-1);            /* Group ID */
    hid_t    gid2 = (-1);            /* Group ID */
    char     objname[NAME_BUF_SIZE]; /* Object name */
    unsigned u;                      /* Local index variable */

    TESTING("reading old groups");

    /* Make a copy of the data file from svn. */
    if (h5_make_local_copy(FILE_OLD_GROUPS, FILE_OLD_GROUPS_COPY) < 0)
        TEST_ERROR;

    /* Open copied file */
    if ((fid = H5Fopen(FILE_OLD_GROUPS_COPY, H5F_ACC_RDWR, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Attempt to open "old" group */
    if ((gid = H5Gopen2(fid, "old", H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on old group's status */
    if (H5G__is_empty_test(gid) == FALSE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__has_stab_test(gid) != TRUE)
        TEST_ERROR;

    /* Create a bunch of objects in the group */
    for (u = 0; u < READ_OLD_NGROUPS; u++) {
        HDsnprintf(objname, sizeof(objname), "Group %u", u);
        if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
            TEST_ERROR;

        /* Check on bottom group's status */
        if (H5G__is_empty_test(gid2) != TRUE)
            TEST_ERROR;

        /* Close bottom group */
        if (H5Gclose(gid2) < 0)
            TEST_ERROR;
    } /* end for */

    /* Check on old group's status */
    /* (Should stay in old "symbol table" form) */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__has_stab_test(gid) != TRUE)
        TEST_ERROR;

    /* Delete new objects from old group */
    for (u = 0; u < READ_OLD_NGROUPS; u++) {
        HDsnprintf(objname, sizeof(objname), "Group %u", u);
        if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
            FAIL_STACK_ERROR;
    } /* end for */

    /* Check on old group's status */
    /* (Should stay in old "symbol table" form, but have no links) */
    if (H5G__is_empty_test(gid) == FALSE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__has_stab_test(gid) != TRUE)
        TEST_ERROR;

    /* Close old group */
    if (H5Gclose(gid) < 0)
        TEST_ERROR;

    /* Close first file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(gid);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
} /* end read_old() */

/*-------------------------------------------------------------------------
 * Function:    no_compact
 *
 * Purpose:     Test that its possible to create groups that don't use the
 *              compact form directly (and don't use link messages).
 *
 * Return:      Success:        0
 *
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Tuesday, October 25, 2005
 *
 *-------------------------------------------------------------------------
 */
static int
no_compact(hid_t fcpl, hid_t fapl2)
{
    hid_t          fid  = (-1);            /* File ID */
    hid_t          gid  = (-1);            /* Group ID */
    hid_t          gid2 = (-1);            /* Datatype ID */
    hid_t          gcpl = (-1);            /* Group creation property list ID */
    char           objname[NAME_BUF_SIZE]; /* Object name */
    char           filename[NAME_BUF_SIZE];
    h5_stat_size_t empty_size;      /* Size of an empty file */
    h5_stat_size_t file_size;       /* Size of each file created */
    unsigned       est_num_entries; /* Estimated # of entries in group */
    unsigned       est_name_len;    /* Estimated length of entry name */

    TESTING("group without compact form");

    /* Create file */
    h5_fixname(FILENAME[0], fapl2, filename, sizeof(filename));
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl2)) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((empty_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Re-open file */
    if ((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl2)) < 0)
        TEST_ERROR;

    /* Set up group creation property list */
    if ((gcpl = H5Pcreate(H5P_GROUP_CREATE)) < 0)
        TEST_ERROR;

    /* Set GCPL parameters */
    if (H5Pset_link_phase_change(gcpl, NO_COMPACT_MAX_COMPACT, NO_COMPACT_MIN_DENSE) < 0)
        TEST_ERROR;

    /* Check information for default group creation */
    if (H5Pget_est_link_info(gcpl, &est_num_entries, &est_name_len) < 0)
        TEST_ERROR;
    if (est_num_entries != H5G_CRT_GINFO_EST_NUM_ENTRIES)
        TEST_ERROR;
    if (est_name_len != H5G_CRT_GINFO_EST_NAME_LEN)
        TEST_ERROR;

    /* Create group for testing no compact form */
    if ((gid = H5Gcreate2(fid, NO_COMPACT_TOP_GROUP, H5P_DEFAULT, gcpl, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Close GCPL */
    if (H5Pclose(gcpl) < 0)
        TEST_ERROR;

    /* Use internal testing routine to check that the group has no links or dense storage */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Create first "bottom" group */
    HDsnprintf(objname, sizeof(objname), NO_COMPACT_BOTTOM_GROUP, (unsigned)0);
    if ((gid2 = H5Gcreate2(gid, objname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check on bottom group's status */
    if (H5G__is_empty_test(gid2) != TRUE)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) == TRUE)
        TEST_ERROR;
    if (H5G__has_links_test(gid, NULL) == TRUE)
        TEST_ERROR;
    if (H5G__is_new_dense_test(gid) != TRUE)
        TEST_ERROR;

    /* Unlink object from top group */
    HDsnprintf(objname, sizeof(objname), NO_COMPACT_BOTTOM_GROUP, (unsigned)0);
    if (H5Ldelete(gid, objname, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Check on top group's status */
    if (H5G__is_empty_test(gid) != TRUE)
        TEST_ERROR;

    /* Close top group */
    if (H5Gclose(gid) < 0)
        TEST_ERROR;

    /* Unlink top group */
    if (H5Ldelete(fid, NO_COMPACT_TOP_GROUP, H5P_DEFAULT) < 0)
        FAIL_STACK_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Get size of file as empty */
    if ((file_size = h5_get_file_size(filename, fapl2)) < 0)
        TEST_ERROR;

    /* Verify that file is correct size */
    if (file_size != empty_size)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(gcpl);
        H5Gclose(gid2);
        H5Gclose(gid);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
} /* end no_compact() */

/*-------------------------------------------------------------------------
 * Function:    gcpl_on_root
 *
 * Purpose:     Test setting group creation properties for root group.
 *
 * Return:      Success:        0
 *
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Tuesday, October 25, 2005
 *
 *-------------------------------------------------------------------------
 */
static int
gcpl_on_root(hid_t fapl2)
{
    hid_t    fid  = (-1); /* File ID */
    hid_t    gid  = (-1); /* Group ID */
    hid_t    gid2 = (-1); /* Datatype ID */
    hid_t    fcpl = (-1); /* File creation property list ID */
    hid_t    gcpl = (-1); /* Group creation property list ID */
    hid_t    lcpl = (-1); /* Link creation property list ID */
    unsigned max_compact; /* Maximum # of links to store in group compactly */
    unsigned min_dense;   /* Minimum # of links to store in group "densely" */
    char     filename[NAME_BUF_SIZE];

    TESTING("setting root group creation properties");

    /* Create file */
    h5_fixname(FILENAME[0], fapl2, filename, sizeof(filename));

    /* Set up file creation property list */
    if ((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
        TEST_ERROR;

    /* Set GCPL parameters */
    if (H5Pset_link_phase_change(fcpl, GCPL_ON_ROOT_MAX_COMPACT, GCPL_ON_ROOT_MIN_DENSE) < 0)
        TEST_ERROR;

    /* Query the group creation properties from the FCPL */
    if (H5Pget_link_phase_change(fcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != GCPL_ON_ROOT_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != GCPL_ON_ROOT_MIN_DENSE)
        TEST_ERROR;

    /* Create file with modified root group creation properties */
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, fcpl, fapl2)) < 0)
        TEST_ERROR;

    /* Close FCPL */
    if (H5Pclose(fcpl) < 0)
        TEST_ERROR;

    /* Open the root group */
    if ((gid = H5Gopen2(fid, "/", H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Query the group creation properties */
    if ((gcpl = H5Gget_create_plist(gid)) < 0)
        TEST_ERROR;
    if (H5Pget_link_phase_change(gcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != GCPL_ON_ROOT_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != GCPL_ON_ROOT_MIN_DENSE)
        TEST_ERROR;

    /* Close GCPL */
    if (H5Pclose(gcpl) < 0)
        TEST_ERROR;

    /* Create a link creation property list, with intermediate group creation set */
    if ((lcpl = H5Pcreate(H5P_LINK_CREATE)) < 0)
        TEST_ERROR;
    if (H5Pset_create_intermediate_group(lcpl, TRUE) < 0)
        TEST_ERROR;

    /* Create a group and intermediate groups, to check if root group settings are inherited */
    if ((gid2 = H5Gcreate2(gid, GCPL_ON_ROOT_BOTTOM_GROUP, lcpl, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Close LCPL */
    if (H5Pclose(lcpl) < 0)
        TEST_ERROR;

    /* Query the group creation properties */
    if ((gcpl = H5Gget_create_plist(gid2)) < 0)
        TEST_ERROR;
    if (H5Pget_link_phase_change(gcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != H5G_CRT_GINFO_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != H5G_CRT_GINFO_MIN_DENSE)
        TEST_ERROR;

    /* Close GCPL */
    if (H5Pclose(gcpl) < 0)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Open the middle group */
    if ((gid2 = H5Gopen2(fid, GCPL_ON_ROOT_MIDDLE_GROUP, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Query the group creation properties */
    if ((gcpl = H5Gget_create_plist(gid2)) < 0)
        TEST_ERROR;
    if (H5Pget_link_phase_change(gcpl, &max_compact, &min_dense) < 0)
        TEST_ERROR;
    if (max_compact != GCPL_ON_ROOT_MAX_COMPACT)
        TEST_ERROR;
    if (min_dense != GCPL_ON_ROOT_MIN_DENSE)
        TEST_ERROR;

    /* Close GCPL */
    if (H5Pclose(gcpl) < 0)
        TEST_ERROR;

    /* Close bottom group */
    if (H5Gclose(gid2) < 0)
        TEST_ERROR;

    /* Close root group */
    if (H5Gclose(gid) < 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Gclose(lcpl);
        H5Gclose(gcpl);
        H5Gclose(gid2);
        H5Gclose(gid);
        H5Gclose(fcpl);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
} /* end gcpl_on_root() */

/*-------------------------------------------------------------------------
 * Function:    old_api
 *
 * Purpose:     Test old API routines
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Quincey Koziol
 *              Thursday, August 23, 2007
 *
 *-------------------------------------------------------------------------
 */
static int
old_api(hid_t fapl)
{
#ifndef H5_NO_DEPRECATED_SYMBOLS
    hid_t          fid = (-1);      /* File ID */
    hid_t          gid = (-1);      /* Group ID */
    h5_stat_size_t small_file_size; /* Size of small group file */
    h5_stat_size_t large_file_size; /* Size of large group file */
    char           filename[NAME_BUF_SIZE];
#endif /* H5_NO_DEPRECATED_SYMBOLS */

    TESTING("old API routines");

#ifndef H5_NO_DEPRECATED_SYMBOLS
    /* Create file */
    h5_fixname(FILENAME[0], fapl, filename, sizeof(filename));

    /* Create file */
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        FAIL_STACK_ERROR;

    /* Create a group, with the old API routine and a "small" heap */
    if ((gid = H5Gcreate1(fid, OLD_API_GROUP, (size_t)0)) < 0)
        FAIL_STACK_ERROR;

    /* Close group */
    if (H5Gclose(gid) < 0)
        FAIL_STACK_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        FAIL_STACK_ERROR;

    /* Get the size of the file with a "small" heap for group */
    if ((small_file_size = h5_get_file_size(filename, fapl)) < 0)
        TEST_ERROR;

    /* Create file */
    if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        FAIL_STACK_ERROR;

    /* Create a group, with the old API routine and a "large" heap */
    if ((gid = H5Gcreate1(fid, OLD_API_GROUP, (size_t)10000)) < 0)
        FAIL_STACK_ERROR;

    /* Close group */
    if (H5Gclose(gid) < 0)
        FAIL_STACK_ERROR;

    /* Re-open group */
    if ((gid = H5Gopen1(fid, OLD_API_GROUP)) < 0)
        FAIL_STACK_ERROR;

    /* Close group */
    if (H5Gclose(gid) < 0)
        FAIL_STACK_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        FAIL_STACK_ERROR;

    /* Get the size of the file with a "large" heap for group */
    if ((large_file_size = h5_get_file_size(filename, fapl)) < 0)
        TEST_ERROR;

    /* Check that the file with a "large" group heap is actually bigger */
    if (large_file_size <= small_file_size)
        TEST_ERROR;

    PASSED();
#else  /* H5_NO_DEPRECATED_SYMBOLS */
    /* Shut compiler up */
    (void)fapl;

    SKIPPED();
    HDputs("    Deprecated API symbols not enabled");
#endif /* H5_NO_DEPRECATED_SYMBOLS */

    return 0;

#ifndef H5_NO_DEPRECATED_SYMBOLS
error:
    H5E_BEGIN_TRY
    {
        H5Gclose(gid);
        H5Fclose(fid);
    }
    H5E_END_TRY;
    return 1;
#endif /* H5_NO_DEPRECATED_SYMBOLS */
} /* end old_api() */

/*-------------------------------------------------------------------------
 * Function:    corrupt_stab_msg
 *
 * Purpose:     Test that a corrupt symbol table message can be fixed
 *              using the cached symbol table information.
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Neil Fortner
 *              Wednesday, March 18, 2009
 *
 *-------------------------------------------------------------------------
 */
static int
corrupt_stab_msg(void)
{
    hid_t fid = (-1); /* File ID */
    hid_t did = (-1); /* Dataset ID */

    TESTING("corrupt symbol table message");

    /* Make a copy of the data file from svn. */
    if (h5_make_local_copy(CORRUPT_STAB_FILE, CORRUPT_STAB_TMP_FILE) < 0)
        TEST_ERROR;

#ifndef H5_STRICT_FORMAT_CHECKS
    /* Open temp file through HDF5 library */
    if ((fid = H5Fopen(CORRUPT_STAB_TMP_FILE, H5F_ACC_RDWR, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Open dataset */
    if ((did = H5Dopen2(fid, CORRUPT_STAB_DSET, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Close dataset and file */
    if (H5Dclose(did) < 0)
        TEST_ERROR;
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Now reopen with read only access.  This verifies that the issue has been
     * corrected, as the symbol table message is not patched in read only mode.
     */

    /* Open file */
    if ((fid = H5Fopen(CORRUPT_STAB_TMP_FILE, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Open dataset */
    if ((did = H5Dopen2(fid, CORRUPT_STAB_DSET, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Close dataset and file */
    if (H5Dclose(did) < 0)
        TEST_ERROR;
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

#else /* H5_STRICT_FORMAT_CHECKS */
    /* Open file */
    if ((fid = H5Fopen(CORRUPT_STAB_TMP_FILE, H5F_ACC_RDWR, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Verify that an error is thrown when we try to access the dataset */
    H5E_BEGIN_TRY
    {
        did = H5Dopen2(fid, CORRUPT_STAB_DSET, H5P_DEFAULT);
    }
    H5E_END_TRY
    if (did >= 0)
        TEST_ERROR;

    /* Close file */
    if (H5Fclose(fid) < 0)
        TEST_ERROR;

#endif /* H5_STRICT_FORMAT_CHECKS */

    PASSED();

    return 0;

error:
    H5E_BEGIN_TRY
    {
        H5Dclose(did);
        H5Fclose(fid);
    }
    H5E_END_TRY;

    return 1;
} /* end corrupt_stab_msg() */

/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:    Test groups
 *
 * Return:    Success:    zero
 *
 *        Failure:    non-zero
 *
 * Programmer:    Robb Matzke
 *              Tuesday, November 24, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    hid_t       fapl, fapl2;     /* File access property list IDs */
    hid_t       fcpl, fcpl2;     /* File creation property list ID */
    unsigned    new_format;      /* Whether to use the new format or not */
    const char *env_h5_drvr;     /* File Driver value from environment */
    hbool_t     contig_addr_vfd; /* Whether VFD used has a contiguous address space */
    hbool_t     driver_is_default_compatible;
    int         nerrors = 0;

    /* Get the VFD to use */
    env_h5_drvr = HDgetenv(HDF5_DRIVER);
    if (env_h5_drvr == NULL)
        env_h5_drvr = "nomatch";

    /* VFD that does not support contiguous address space */
    contig_addr_vfd = (hbool_t)(HDstrcmp(env_h5_drvr, "split") != 0 && HDstrcmp(env_h5_drvr, "multi") != 0);

    /* Reset library */
    h5_reset();
    fapl = h5_fileaccess();

    if (h5_driver_is_default_vfd_compatible(fapl, &driver_is_default_compatible) < 0)
        TEST_ERROR;

    /* Copy the file access property list */
    if ((fapl2 = H5Pcopy(fapl)) < 0)
        TEST_ERROR;

    /* Set the "use the latest version of the format" bounds for creating objects in the file */
    if (H5Pset_libver_bounds(fapl2, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
        TEST_ERROR;

    /* Set up file creation property list */
    if ((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
        TEST_ERROR;
    if ((fcpl2 = H5Pcopy(fcpl)) < 0)
        TEST_ERROR;

    /* Set to use paged aggregation strategy and persisting free-space */
    /* Skip testing for multi/split drivers */
    if (H5Pset_file_space_strategy(fcpl2, H5F_FSPACE_STRATEGY_PAGE, 1, (hsize_t)1) < 0)
        TEST_ERROR;

    /* Loop over using new group format */
    for (new_format = FALSE; new_format <= TRUE; new_format++) {
        hid_t my_fapl = fapl;
        hid_t my_fcpl = fcpl;

        if (!contig_addr_vfd)
            continue;

        if (new_format) {
            my_fapl = fapl2;
            my_fcpl = fcpl2; /* Set to use paged aggregation and persisting free-space */
        }

        /* Perform basic tests, with old & new style groups */
        nerrors += test_misc(my_fcpl, my_fapl, new_format);
        nerrors += test_long(my_fcpl, my_fapl, new_format);
        nerrors += test_large(my_fcpl, my_fapl, new_format);
    } /* end for */

    /* New format group specific tests (require new format features) */
    if (contig_addr_vfd) {
        nerrors += lifecycle(fcpl2, fapl2);
        nerrors += long_compact(fcpl2, fapl2);

        if (driver_is_default_compatible) {
            nerrors += read_old();
        }

        nerrors += no_compact(fcpl2, fapl2);
        nerrors += gcpl_on_root(fapl2);
    }

    /* Old group API specific tests */
    nerrors += old_api(fapl);

    if (driver_is_default_compatible) {
        nerrors += corrupt_stab_msg();
    }

    /* Close 2nd FAPL */
    H5Pclose(fapl2);
    H5Pclose(fcpl);
    H5Pclose(fcpl2);

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

    /* Check for test errors */
    if (nerrors)
        goto error;

    HDputs("All symbol table tests passed.");

    /* Cleanup */
    if (GetTestCleanup()) {
        HDremove(FILE_OLD_GROUPS_COPY);
        HDremove(CORRUPT_STAB_TMP_FILE);
    }
    h5_cleanup(FILENAME, fapl);

    return 0;

error:
    HDputs("*** TESTS FAILED ***");
    return 1;
}