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/*-------------------------------------------------------------------------
 * Copyright (C) 1997   National Center for Supercomputing Applications.
 *                      All rights reserved.
 *
 *-------------------------------------------------------------------------
 *
 * Created:             tstab.c
 *                      Aug  7 1997
 *                      Robb Matzke <matzke@llnl.gov>
 *
 * Purpose:             
 *
 * Modifications:       
 *
 *-------------------------------------------------------------------------
 */
#include <testhdf5.h>

#include <H5private.h>
#include <H5Aprivate.h>
#include <H5ACprivate.h>
#include <H5Cprivate.h>
#include <H5Fprivate.h>
#include <H5Gprivate.h>
#include <H5Oprivate.h>

/*
 * This file needs to access private datatypes from the H5G package.
 */
#define H5G_PACKAGE
#include <H5Gpkg.h>

/*-------------------------------------------------------------------------
 * Function:    test_1
 *
 * Purpose:     Tests the non-directory features of the HDF5 file.  If the
 *              file has just one non-directory object, then that object
 *              should be the root object and there is no directory.
 *
 * Return:      void
 *
 * Programmer:  Robb Matzke
 *              robb@maya.nuance.com
 *              Aug 29 1997
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static void
test_1(void)
{
    hid_t                   fid;
    H5F_t                  *f;
    H5G_entry_t             ent1, ent2, obj_ent, dir_ent;
    herr_t                  status;
    H5O_name_t              name_mesg;
    void                   *status_ptr;
    hbool_t                 b;

    MESSAGE(2, ("........non-directory files\n"));

    /*
     * Test 1A: Create an empty file and add a non-directory object
     * to the file with the name `/'.  The object should become the
     * root object and should not have a name message.
     */

    /* create the file */
    fid = H5Fcreate("tstab1.h5", H5F_ACC_TRUNC, H5C_DEFAULT, H5C_DEFAULT);
    CHECK(fid, FAIL, "H5Fcreate");
    f = H5A_object(fid);
    CHECK(f, NULL, "H5Aatom_object");

    /* create the object */
    status = H5O_create(f, 0, &ent1);
    CHECK_I(status, "H5O_create");
    status = H5G_insert("/", &ent1);
    CHECK_I(status, "H5G_insert");
    status = H5O_close(&ent1);
    CHECK_I(status, "H5O_close");

    /* look for a name message -- it shouldn't be present */
    status_ptr = H5O_read(&ent1, H5O_NAME, 0, &name_mesg);
    VERIFY(status_ptr, NULL, "H5O_read [didn't fail but should have]");

    /*
     * Test 1B: Attempt to read the root object using the name `/'.
     */
    memset(&dir_ent, 0xff, sizeof(H5G_entry_t));
    memset(&obj_ent, 0xff, sizeof(H5G_entry_t));
    status = H5G_find(f, "/", &dir_ent, &obj_ent);
    CHECK_I(status, "H5G_find");

    /* Is it really the root object? */
    b = H5F_addr_defined(&(dir_ent.header));
    VERIFY(b, FALSE, "H5G_insert");
    b = H5F_addr_eq(&(obj_ent.header), &(ent1.header));
    VERIFY(b, TRUE, "H5G_insert");

    /*
     * Test 1C: Add a second object to the file to see if the first object
     * gets moved into the new root directory along with the second object.
     */

    /* create the object */
    status = H5O_create(f, 0, &ent2);
    CHECK_I(status, "H5O_create");
    status = H5G_insert("/second", &ent2);
    CHECK_I(status, "H5G_insert");
    status = H5O_close(&ent2);
    CHECK_I(status, "H5O_close");

    /* try to read the first object */
    HDmemset(&obj_ent, 0xff, sizeof(H5G_entry_t));
    status = H5G_find(f, "/Root Object", NULL, &obj_ent);
    CHECK_I(status, "H5G_find");
    b = H5F_addr_defined(&(obj_ent.header));
    VERIFY(b, TRUE, "H5G_insert");
    b = H5F_addr_eq(&(obj_ent.header), &(ent1.header));
    VERIFY(b, TRUE, "H5G_create");

    /* close the file */
    H5Fclose(fid);

    /*
     * Test 1D: Create an empty file and add a non-directory object
     * to the file with the name `/foo'.  The object should become the
     * root object and should have a name message with the value `foo'.
     */

    /* create the file */
    fid = H5Fcreate("tstab1.h5", H5F_ACC_TRUNC, H5C_DEFAULT, H5C_DEFAULT);
    CHECK(fid, FAIL, "H5Fcreate");
    f = H5A_object(fid);
    CHECK(f, NULL, "H5Aatom_object");

    /* create the object */
    status = H5O_create(f, 0, &ent1);
    CHECK_I(status, "H5O_create");
    status = H5G_insert("/foo", &ent1);
    CHECK_I(status, "H5G_insert");
    status = H5O_close(&ent1);
    CHECK_I(status, "H5O_close");

    /* does it have the correct name message? */
    status_ptr = H5O_read(&ent1, H5O_NAME, 0, &name_mesg);
    CHECK_PTR(status_ptr, "H5O_read");
    CHECK_PTR(name_mesg.s, "H5O_read");
    VERIFY(strcmp(name_mesg.s, "foo"), 0, "H5G_insert");
    if (status_ptr)
        H5O_reset(H5O_NAME, &name_mesg);        /*free message data */

    /*
     * Test 1E: Try to read the root object with the name `/' and `/foo'
     */
    HDmemset(&dir_ent, 0, sizeof(H5G_entry_t));
    HDmemset(&obj_ent, 0, sizeof(H5G_entry_t));
    status = H5G_find(f, "/", &dir_ent, &obj_ent);
    CHECK_I(status, "H5G_find");
    b = H5F_addr_defined(&(dir_ent.header));
    VERIFY(b, FALSE, "H5G_insert");
    b = H5F_addr_eq(&(obj_ent.header), &(ent1.header));
    VERIFY(b, TRUE, "H5G_insert");

    /* now as `/foo' */
    HDmemset(&dir_ent, 0, sizeof(H5G_entry_t));
    HDmemset(&obj_ent, 0, sizeof(H5G_entry_t));
    status = H5G_find(f, "/foo", &dir_ent, &obj_ent);
    CHECK_I(status, "H5G_find");
    b = H5F_addr_defined(&(dir_ent.header));
    VERIFY(b, FALSE, "H5G_insert");
    b = H5F_addr_eq(&(obj_ent.header), &(ent1.header));
    VERIFY(b, TRUE, "H5G_insert");

    /*
     * Test 1F: Create another object.  This should create a root directory
     * and move the previous root object into that directory.
     */

    /* create the object */
    status = H5O_create(f, 0, &ent2);
    CHECK_I(status, "H5O_create");
    status = H5G_insert("/second", &ent2);
    CHECK_I(status, "H5G_insert");
    status = H5O_close(&ent2);
    CHECK_I(status, "H5O_close");

    /* try to read the first object */
    HDmemset(&obj_ent, 0, sizeof(H5G_entry_t));
    status = H5G_find(f, "/foo", NULL, &obj_ent);
    CHECK_I(status, "H5G_find");
    b = H5F_addr_eq(&(obj_ent.header), &(ent1.header));
    VERIFY(b, TRUE, "H5G_insert");

    /* the first object should not have a name message */
    status_ptr = H5O_read(&ent1, H5O_NAME, 0, &name_mesg);
    VERIFY(status_ptr, NULL, "H5O_read [didn't fail but should have]");

    /* close the file */
    status = H5Fclose(fid);
    CHECK_I(status, "H5Fclose");
}

/*-------------------------------------------------------------------------
 * Function:    test_2
 *
 * Purpose:     Creates a really large directory.
 *
 * Return:      void
 *
 * Programmer:  Robb Matzke
 *              robb@maya.nuance.com
 *              Aug 29 1997
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static void
test_2(void)
{
    hid_t                   fid, create_plist, access_plist, dir;
    H5F_t                  *f;
    int                     i;
    char                    name[256];
    herr_t                  status;
    int                     nsyms = 5000;

    MESSAGE(2, ("........large directories\n"));

    /*
     * Use larger symbol table data structures to be more efficient, use
     * defaults to bang harder on the library for testing.
     */
    create_plist = H5Ccreate(H5C_FILE_CREATE);
    H5Cset_sym_k(create_plist, 16, 16);

    /*
     * File access property list.
     */
#if 0
    access_plist = H5Ccreate (H5C_FILE_ACCESS);
    H5Cset_core (access_plist, 3000000);
#else
    access_plist = H5C_DEFAULT;
#endif

    /* create the file */
    fid = H5Fcreate("tstab2.h5", H5F_ACC_TRUNC, create_plist, access_plist);
    CHECK(fid, FAIL, "H5Fcreate");
    f = H5A_object(fid);
    CHECK(f, NULL, "H5Aatom_object");
    f->intent |= H5F_ACC_DEBUG;

    /*
     * Create a directory that has so many entries that the root
     * of the B-tree ends up splitting.
     */
    dir = H5Gcreate(fid, "/big", nsyms * 16 + 2);
    CHECK_I(dir, "H5Gcreate");
    status = H5Gclose(dir);
    CHECK_I(status, "H5Gclose");
    status = H5Gset(fid, "/big");
    CHECK_I(status, "H5Gset");

    for (i = 0; i < nsyms; i++) {
        sprintf(name, "%05d%05d", rand() % 100000, i);
        MESSAGE(8, ("%s\n", name));
        dir = H5Gcreate(fid, name, 0);
        CHECK_I(dir, "H5Gcreate");
        status = H5Gclose(dir);
        CHECK_I(status, "H5Gclose");
    }

    /* close the file */
    status = H5Fclose(fid);
    CHECK_I(status, "H5Fclose");
}

/*-------------------------------------------------------------------------
 * Function:    test_stab
 *
 * Purpose:     Test symbol tables
 *
 * Return:      void
 *
 * Programmer:  Robb Matzke
 *              matzke@viper.llnl.gov
 *              Aug  7 1997
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
void
test_stab(void)
{
    test_1();
    test_2();
}