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/*-------------------------------------------------------------------------
* Copyright (C) 1997 National Center for Supercomputing Applications.
* All rights reserved.
*
*-------------------------------------------------------------------------
*
* Created: tohdr.c
* Aug 6 1997
* Robb Matzke <robb@maya.nuance.com>
*
* Purpose:
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#include <testhdf5.h>
#include <H5private.h>
#include <H5Aprivate.h>
#include <H5ACprivate.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_ohdr
*
* Purpose: Test object headers.
*
* Return: void
*
* Programmer: Robb Matzke
* robb@maya.nuance.com
* Aug 6 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
test_ohdr(void)
{
hid_t fid;
H5F_t *f;
H5G_entry_t oh_ent;
H5O_stab_t stab, ro;
herr_t status;
void *ptr;
int i;
MESSAGE(5, ("Testing Object Headers\n"));
/* create the file */
fid = H5Fcreate("tohdr.h5", H5ACC_OVERWRITE, 0, 0);
CHECK(fid, FAIL, "H5Fcreate");
f = H5A_object(fid);
CHECK(f, NULL, "H5Aatom_object");
/* the new object header */
MESSAGE(8, ("Creating new object header...\n"));
status = H5O_create(f, 64, &oh_ent /*out */ );
CHECK_I(status, "H5O_new");
/*
* Test creation of a new message.
*/
MESSAGE(8, ("Creating new message...\n"));
stab.btree_addr.offset = 11111111;
stab.heap_addr.offset = 22222222;
status = H5O_modify(&oh_ent, H5O_STAB, H5O_NEW_MESG, 0, &stab);
VERIFY(status, 0, "H5O_modify");
H5AC_flush(f, NULL, 0, TRUE);
ptr = H5O_read(&oh_ent, H5O_STAB, 0, &ro);
CHECK_PTR(ptr, "H5O_read");
VERIFY(ptr, &ro, "H5O_read");
VERIFY(ro.btree_addr.offset, stab.btree_addr.offset, "H5O_read");
VERIFY(ro.heap_addr.offset, stab.heap_addr.offset, "H5O_read");
/*
* Test modification of an existing message.
*/
MESSAGE(8, ("Modifying message...\n"));
stab.btree_addr.offset = 33333333;
stab.heap_addr.offset = 44444444;
status = H5O_modify(&oh_ent, H5O_STAB, 0, 0, &stab);
VERIFY(status, 0, "H5O_modify");
H5AC_flush(f, NULL, 0, TRUE);
ptr = H5O_read(&oh_ent, H5O_STAB, 0, &ro);
CHECK_PTR(ptr, "H5O_read");
VERIFY(ptr, &ro, "H5O_read");
VERIFY(ro.btree_addr.offset, stab.btree_addr.offset, "H5O_read");
VERIFY(ro.heap_addr.offset, stab.heap_addr.offset, "H5O_read");
/*
* Test creation of a second message of the same type with a symbol
* table.
*/
MESSAGE(8, ("Creating a duplicate message...\n"));
stab.btree_addr.offset = 55555555;
stab.heap_addr.offset = 66666666;
status = H5O_modify(&oh_ent, H5O_STAB, H5O_NEW_MESG, 0, &stab);
VERIFY(status, 1, "H5O_modify");
H5AC_flush(f, NULL, 0, TRUE);
ptr = H5O_read(&oh_ent, H5O_STAB, 1, &ro);
CHECK_PTR(ptr, "H5O_read");
VERIFY(ptr, &ro, "H5O_read");
VERIFY(ro.btree_addr.offset, stab.btree_addr.offset, "H5O_read");
VERIFY(ro.heap_addr.offset, stab.heap_addr.offset, "H5O_read");
/*
* Test modification of the second message with a symbol table.
*/
MESSAGE(8, ("Modifying the duplicate message...\n"));
stab.btree_addr.offset = 77777777;
stab.heap_addr.offset = 88888888;
status = H5O_modify(&oh_ent, H5O_STAB, 1, 0, &stab);
VERIFY(status, 1, "H5O_modify");
H5AC_flush(f, NULL, 0, TRUE);
ptr = H5O_read(&oh_ent, H5O_STAB, 1, &ro);
CHECK_PTR(ptr, "H5O_read");
VERIFY(ptr, &ro, "H5O_read");
VERIFY(ro.btree_addr.offset, stab.btree_addr.offset, "H5O_read");
VERIFY(ro.heap_addr.offset, stab.heap_addr.offset, "H5O_read");
/*
* Test creation of a bunch of messages one after another to see
* what happens when the object header overflows in core.
*/
MESSAGE(8, ("Overflowing header in core...\n"));
for (i = 0; i < 40; i++) {
stab.btree_addr.offset = (i + 1) * 1000 + 1;
stab.heap_addr.offset = (i + 1) * 1000 + 2;
status = H5O_modify(&oh_ent, H5O_STAB, H5O_NEW_MESG, 0, &stab);
VERIFY(status, 2 + i, "H5O_modify");
}
H5AC_flush(f, NULL, 0, TRUE);
/*
* Test creation of a bunch of messages one after another to see
* what happens when the object header overflows on disk.
*/
MESSAGE(8, ("Overflowing header on disk...\n"));
for (i = 0; i < 10; i++) {
stab.btree_addr.offset = (i + 1) * 1000 + 10;
stab.heap_addr.offset = (i + 1) * 1000 + 20;
status = H5O_modify(&oh_ent, H5O_STAB, H5O_NEW_MESG, 0, &stab);
VERIFY(status, 42 + i, "H5O_modify");
H5AC_flush(f, NULL, 0, TRUE);
}
/*
* Delete all symbol table messages.
*/
status = H5O_remove(&oh_ent, H5O_STAB, H5O_ALL);
CHECK_I(status, "H5O_remove");
/* release resources */
H5O_close(&oh_ent);
H5Fclose(fid);
}
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