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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Friday, April 10, 1998
*
* Purpose: Tests hard and soft (symbolic) links.
*/
#include <hdf5.h>
#include <stdlib.h>
#include <H5config.h>
#ifndef HAVE_ATTRIBUTE
# undef __attribute__
# define __attribute__(X) /*void*/
# define __unused__ /*void*/
#else
# define __unused__ __attribute__((unused))
#endif
#define TEST_FILE_NAME "links.h5"
#define FALSE 0
#define TRUE 1
/*-------------------------------------------------------------------------
* Function: cleanup
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Albert Cheng
* May 28, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
cleanup(void)
{
if (!getenv ("HDF5_NOCLEANUP")) {
remove(TEST_FILE_NAME);
}
}
/*-------------------------------------------------------------------------
* Function: display_error_cb
*
* Purpose: Displays the error stack after printing "*FAILED*".
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
display_error_cb (void __unused__ *client_data)
{
puts ("*FAILED*");
H5Eprint (stdout);
return 0;
}
/*-------------------------------------------------------------------------
* Function: mklinks
*
* Purpose: Build a file with assorted links.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
mklinks(void)
{
hid_t file, scalar, grp, d1;
static hsize_t size[1] = {1};
printf("%-70s", "Testing link creation");
/* Create a file */
if ((file=H5Fcreate(TEST_FILE_NAME, H5F_ACC_TRUNC,
H5P_DEFAULT, H5P_DEFAULT))<0) {
goto error;
}
if ((scalar=H5Screate_simple (1, size, size))<0) goto error;
/* Create a group */
if ((grp=H5Gcreate (file, "grp1", 0))<0) goto error;
if (H5Gclose (grp)<0) goto error;
/* Create a dataset */
if ((d1=H5Dcreate (file, "d1", H5T_NATIVE_INT, scalar, H5P_DEFAULT))<0) {
goto error;
}
if (H5Dclose (d1)<0) goto error;
/* Create a hard link */
if (H5Glink (file, H5G_LINK_HARD, "d1", "grp1/hard")<0) goto error;
/* Create a symbolic link */
if (H5Glink (file, H5G_LINK_SOFT, "/d1", "grp1/soft")<0) goto error;
/* Create a symbolic link to something that doesn't exist */
if (H5Glink (file, H5G_LINK_SOFT, "foobar", "grp1/dangle")<0) goto error;
/* Create a recursive symbolic link */
if (H5Glink (file, H5G_LINK_SOFT, "/grp1/recursive",
"/grp1/recursive")<0) {
goto error;
}
/* Close */
if (H5Sclose (scalar)<0) goto error;
if (H5Fclose (file)<0) goto error;
puts(" PASSED");
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: cklinks
*
* Purpose: Open the file created in the first step and check that the
* links look correct.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
cklinks(void)
{
hid_t file;
H5G_stat_t sb1, sb2;
char linkval[1024];
herr_t status;
printf("%-70s", "Testing link queries");
fflush(stdout);
/* Open the file */
if ((file=H5Fopen(TEST_FILE_NAME, H5F_ACC_RDONLY, H5P_DEFAULT))<0) {
goto error;
}
/* Hard link */
if (H5Gstat(file, "d1", TRUE, &sb1)<0) goto error;
if (H5Gstat(file, "grp1/hard", TRUE, &sb2)<0) goto error;
if (H5G_DATASET!=sb2.type) {
puts("*FAILED*");
puts(" Unexpected object type should have been a dataset");
goto error;
}
if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
puts("*FAILED*");
puts(" Hard link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
/* Symbolic link */
if (H5Gstat(file, "grp1/soft", TRUE, &sb2)<0) goto error;
if (H5G_DATASET!=sb2.type) {
puts("*FAILED*");
puts(" Unexpected object type should have been a dataset");
goto error;
}
if (sb1.objno[0]!=sb2.objno[0] || sb1.objno[1]!=sb2.objno[1]) {
puts("*FAILED*");
puts(" Soft link test failed. Link seems not to point to the ");
puts(" expected file location.");
goto error;
}
if (H5Gget_linkval(file, "grp1/soft", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "/d1")) {
puts("*FAILED*");
puts(" Soft link test failed. Wrong link value");
goto error;
}
/* Dangling link */
H5E_BEGIN_TRY {
status = H5Gstat(file, "grp1/dangle", TRUE, &sb2);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" H5Gstat() should have failed for a dangling link.");
goto error;
}
if (H5Gstat(file, "grp1/dangle", FALSE, &sb2)<0) goto error;
if (H5G_LINK!=sb2.type) {
puts("*FAILED*");
puts(" Unexpected object type should have been a symbolic link");
goto error;
}
if (H5Gget_linkval(file, "grp1/dangle", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "foobar")) {
puts("*FAILED*");
puts(" Dangling link test failed. Wrong link value");
goto error;
}
/* Recursive link */
H5E_BEGIN_TRY {
status = H5Gstat(file, "grp1/recursive", TRUE, &sb2);
} H5E_END_TRY;
if (status>=0) {
puts("*FAILED*");
puts(" H5Gstat() should have failed for a recursive link.");
goto error;
}
if (H5Gstat(file, "grp1/recursive", FALSE, &sb2)<0) goto error;
if (H5G_LINK!=sb2.type) {
puts("*FAILED*");
puts(" Unexpected object type should have been a symbolic link");
goto error;
}
if (H5Gget_linkval(file, "grp1/recursive", sizeof linkval, linkval)<0) {
goto error;
}
if (strcmp(linkval, "/grp1/recursive")) {
puts("*FAILED*");
puts(" Recursive link test failed. Wrong link value");
goto error;
}
/* Cleanup */
if (H5Fclose(file)<0) goto error;
puts(" PASSED");
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Test links
*
* Return: Success: exit(0)
*
* Failure: exit(non-zero)
*
* Programmer: Robb Matzke
* Friday, August 14, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
int nerrors = 0;
/* Set error handling to print `*FAILED*' before the error stack */
H5Eset_auto(display_error_cb, NULL);
/* The tests... */
nerrors += mklinks() < 0 ? 1 : 0;
nerrors += cklinks() < 0 ? 1 : 0;
/* Results */
if (nerrors) {
printf("***** %d LINK TEST%s FAILED! *****\n",
nerrors, 1 == nerrors ? "" : "S");
exit(1);
}
printf("All link tests passed.\n");
cleanup();
return 0;
}
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