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hdf5/test/external.c
Quincey Koziol 650e88756c [svn-r452] Changed tests to use the new dataspace API calls. Still need to add tests for 
point selections and strides.
1998-07-06 16:01:59 -05:00

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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Tuesday, March 3, 1998
*
* Purpose: Tests datasets stored in external raw files.
*/
#include <assert.h>
#include <fcntl.h>
#include <hdf5.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.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_NAME1 "extern_1.h5"
#define TEST_FILE_NAME2 "extern_2.h5"
#define TEST_FILE_NAME3 "extern_3.h5"
static int nerrors_g = 0;
/*-------------------------------------------------------------------------
* 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);
nerrors_g++;
return 0;
}
/*-------------------------------------------------------------------------
* Function: same_contents
*
* Purpose: Determines whether two files are exactly the same.
*
* Return: Success: nonzero if same, zero if different.
*
* Failure: zero
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
same_contents (const char *name1, const char *name2)
{
int fd1, fd2;
ssize_t n1, n2;
char buf1[1024], buf2[1024];
fd1 = open (name1, O_RDONLY);
fd2 = open (name2, O_RDONLY);
assert (fd1>=0 && fd2>=0);
while (1) {
n1 = read (fd1, buf1, sizeof(buf1));
n2 = read (fd2, buf2, sizeof(buf2));
assert (n1>=0 && (size_t)n1<=sizeof(buf1));
assert (n2>=0 && (size_t)n2<=sizeof(buf2));
assert (n1==n2);
if (n1<=0 && n2<=0) break;
if (memcmp (buf1, buf2, (size_t)n1)) {
close (fd1);
close (fd2);
return 0;
}
}
close (fd1);
close (fd2);
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1
*
* Purpose: Describes various external datasets in an HDF5 file without
* actually creating the external raw files.
*
* Return: void
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
test_1 (void)
{
hid_t file, plist, space, dset, grp;
herr_t status;
hsize_t size[2], max_size[2];
herr_t (*func)(void*) = NULL;
void *client_data = NULL;
int n;
/*
* Create the file and an initial group. This causes messages about
* debugging to be emitted before we start playing games with what the
* output looks like.
*/
file = H5Fcreate (TEST_FILE_NAME1, H5F_ACC_TRUNC|H5F_ACC_DEBUG,
H5P_DEFAULT, H5P_DEFAULT);
assert (file>=0);
grp = H5Gcreate (file, "emit-diagnostics", 8);
H5Gclose (grp);
/*
* A single external file for a non-extendible dataset.
*/
do {
printf ("%-70s", "...fixed-size data space, exact storage");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, (hsize_t)400);
assert (status>=0);
size[0] = max_size[0] = 100;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
/* Create the dataset, the `dset1' name is used later too */
dset = H5Dcreate (file, "dset1", H5T_NATIVE_INT, space, plist);
if (dset<0) break;
H5Dclose (dset);
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* A single external file which is too small to represent all the data.
*/
do {
printf ("%-70s", "...external storage is too small");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, (hsize_t)399);
assert (status>=0);
size[0] = max_size[0] = 100;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
H5Eget_auto (&func, &client_data);
H5Eset_auto (NULL, NULL);
dset = H5Dcreate (file, "dset2", H5T_NATIVE_INT, space, plist);
H5Eset_auto (func, client_data);
if (dset>=0) {
puts ("*FAILED*");
printf (" Small external file succeeded instead of failing\n");
nerrors_g++;
H5Dclose (dset);
break;
}
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* A single external file which is large enough to represent the current
* data and large enough to represent the eventual size of the data.
*/
do {
printf ("%-70s", "...extendible dataspace, exact external size");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, (hsize_t)800);
assert (status>=0);
size[0] = 100;
max_size[0] = 200;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
dset = H5Dcreate (file, "dset3", H5T_NATIVE_INT, space, plist);
if (dset<0) break;
H5Dclose (dset);
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* A single external file which is large enough for the current data size
* but not large enough for the eventual size.
*/
do {
printf ("%-70s", "...extendible dataspace, "
"external storage is too small");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, (hsize_t)799);
assert (status>=0);
size[0] = 100;
max_size[0] = 200;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
H5Eget_auto (&func, &client_data);
H5Eset_auto (NULL, NULL);
dset = H5Dcreate (file, "dset4", H5T_NATIVE_INT, space, plist);
H5Eset_auto (func, client_data);
if (dset>=0) {
puts ("*FAILED*");
printf (" Small external file succeeded instead of failing\n");
H5Dclose (dset);
nerrors_g++;
break;
}
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* A single external file of unlimited size and an unlimited data space.
*/
do {
printf ("%-70s", "...unlimited dataspace, unlimited external storage");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, H5F_UNLIMITED);
assert (status>=0);
size[0] = 100;
max_size[0] = H5S_UNLIMITED;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
/* Create the dataset, the `dset5' name is used later too */
dset = H5Dcreate (file, "dset5", H5T_NATIVE_INT, space, plist);
if (dset<0) break;
H5Dclose (dset);
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* Open one of the previous datasets and make sure it looks the same as
* when we wrote it.
*/
do {
char name[256];
off_t file_offset;
hsize_t file_size;
printf ("%-70s", "...opening a dataset and reading the storage info");
fflush (stdout);
dset = H5Dopen (file, "dset1");
assert (dset>=0);
plist = H5Dget_create_plist (dset);
assert (plist>=0);
n = H5Pget_external_count (plist);
if (n<0) break;
if (1!=n) {
puts ("*FAILED*");
printf (" Returned external count is wrong.\n");
nerrors_g++;
break;
}
strcpy (name+sizeof(name)-4, "...");
status = H5Pget_external (plist, 0, sizeof(name)-4, name,
&file_offset, &file_size);
if (status<0) {
printf (" Unable to read first extern file info.\n");
break;
} else if (file_offset!=0) {
puts ("*FAILED*");
printf (" Wrong file offset.\n");
nerrors_g++;
break;
} else if (file_size!=400) {
puts ("*FAILED*");
printf (" Wrong file size.\n");
nerrors_g++;
break;
}
puts (" PASSED");
} while (0);
H5Pclose (plist);
H5Dclose (dset);
/*
* Open one of the previous unlimited datasets and make sure it looks the
* same as when we wrote it.
*/
do {
char name[256];
off_t file_offset;
hsize_t file_size;
printf ("%-70s", "...opening an unlimited dataset and reading the "
"storage info");
fflush (stdout);
dset = H5Dopen (file, "dset5");
assert (dset>=0);
plist = H5Dget_create_plist (dset);
assert (plist>=0);
n = H5Pget_external_count (plist);
if (n<0) break;
if (1!=n) {
puts ("*FAILED*");
printf (" Returned external count is wrong.\n");
nerrors_g++;
break;
}
strcpy (name+sizeof(name)-4, "...");
status = H5Pget_external (plist, 0, sizeof(name)-4, name,
&file_offset, &file_size);
if (status<0) {
printf (" Unable to read first extern file info.\n");
break;
} else if (file_offset!=0) {
puts ("*FAILED*");
printf (" Wrong file offset.\n");
nerrors_g++;
break;
} else if (H5F_UNLIMITED!=file_size) {
puts ("*FAILED*");
printf (" Wrong file size.\n");
nerrors_g++;
break;
}
puts (" PASSED");
} while (0);
H5Pclose (plist);
H5Dclose (dset);
/*
* Multiple external files for a dataset.
*/
do {
printf ("%-70s", "...multiple external files");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, (hsize_t)100);
assert (status>=0);
status = H5Pset_external (plist, "ext2.data", 0, (hsize_t)100);
assert (status>=0);
status = H5Pset_external (plist, "ext3.data", 0, (hsize_t)100);
assert (status>=0);
status = H5Pset_external (plist, "ext4.data", 0, (hsize_t)100);
assert (status>=0);
size[0] = max_size[0] = 100;
space = H5Screate_simple (1, size, max_size);
assert (space>=0);
dset = H5Dcreate (file, "dset6", H5T_NATIVE_INT, space, plist);
if (dset<0) break;
H5Dclose (dset);
puts (" PASSED");
} while (0);
H5Sclose (space);
H5Pclose (plist);
/*
* It should be impossible to define an unlimited external file and then
* follow it with another external file.
*/
do {
printf ("%-70s", "...external file following unlimited file");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, H5F_UNLIMITED);
assert (status>=0);
/* Next function should fail */
H5Eget_auto (&func, &client_data);
H5Eset_auto (NULL, NULL);
status = H5Pset_external (plist, "ext2.data", 0, (hsize_t)100);
H5Eset_auto (func, client_data);
if (status>=0) {
puts ("*FAILED*");
puts (" H5Pset_external() succeeded when it should have failed");
nerrors_g++;
break;
}
/* Check the number of files */
n = H5Pget_external_count (plist);
if (n<0) break;
if (1!=n) {
puts ("*FAILED*");
puts (" Wrong external file count returned.");
nerrors_g++;
break;
}
puts (" PASSED");
} while (0);
H5Pclose (plist);
/*
* It should be impossible to create a set of external files whose total
* size overflows a size_t integer.
*/
do {
printf ("%-70s", "...address overflow in external files");
fflush (stdout);
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "ext1.data", 0, H5F_UNLIMITED-1);
assert (status>=0);
/* Next function should fail */
H5Eget_auto (&func, &client_data);
H5Eset_auto (NULL, NULL);
status = H5Pset_external (plist, "ext2.data", 0, (hsize_t)100);
H5Eset_auto (func, client_data);
if (status>=0) {
puts ("*FAILED*");
puts (" H5Pset_external() succeeded when it should have failed");
nerrors_g++;
break;
}
puts (" PASSED");
} while (0);
H5Pclose (plist);
/* END OF TESTS */
H5Fclose (file);
}
/*-------------------------------------------------------------------------
* Function: test_2
*
* Purpose: Tests reading from an external file set.
*
* Return: void
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
test_2 (void)
{
hid_t file, plist, space, dset, grp;
herr_t status;
int fd;
hsize_t i, j;
hssize_t n;
char fname[64];
int part[25], whole[100];
hsize_t size;
/* Write the data to external files */
for (i=0; i<4; i++) {
for (j=0; j<25; j++) {
part[j] = (int)(i*25+j);
}
sprintf (fname, "extern_%lu.raw", (unsigned long)i+1);
fd = open (fname, O_RDWR|O_CREAT|O_TRUNC, 0666);
assert (fd>=0);
n = lseek (fd, (off_t)(i*10), SEEK_SET);
assert (n>=0 && (size_t)n==i*10);
n = write (fd, part, sizeof(part));
assert (n==sizeof(part));
close (fd);
}
/*
* Create the file and an initial group. This causes messages about
* debugging to be emitted before we start playing games with what the
* output looks like.
*/
file = H5Fcreate (TEST_FILE_NAME2, H5F_ACC_TRUNC|H5F_ACC_DEBUG,
H5P_DEFAULT, H5P_DEFAULT);
assert (file>=0);
grp = H5Gcreate (file, "emit-diagnostics", 8);
H5Gclose (grp);
/* Create the external file list */
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "extern_1.raw", 0,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_2.raw", 10,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_3.raw", 20,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_4.raw", 30,
(hsize_t)sizeof(part));
assert (status>=0);
/* Create the data space */
size = 100;
space = H5Screate_simple (1, &size, NULL);
assert (space>=0);
/* Create the dataset */
dset = H5Dcreate (file, "dset1", H5T_NATIVE_INT, space, plist);
assert (dset>=0);
/*
* Read the entire dataset and compare with the original
*/
do {
/* Read from the dataset */
printf ("%-70s", "...reading entire dataset");
fflush (stdout);
memset (whole, 0, sizeof(whole));
status = H5Dread (dset, H5T_NATIVE_INT, space, space,
H5P_DEFAULT, whole);
if (status<0) {
puts (" Failed to read dataset");
break;
}
for (i=0; i<100; i++) {
if (whole[i]!=(signed)i) {
puts ("*FAILED*");
puts (" Incorrect value(s) read.");
nerrors_g++;
break;
}
}
puts (" PASSED");
} while (0);
/*
* Read the middle of the dataset
*/
do {
hid_t hs_space;
hssize_t hs_start = 30;
hsize_t hs_count = 25;
/* Read from the dataset */
printf ("%-70s", "...reading partial dataset");
fflush (stdout);
hs_space = H5Scopy (space);
assert (hs_space>=0);
status = H5Sselect_hyperslab (hs_space, H5S_SELECT_SET, &hs_start, NULL, &hs_count, NULL);
assert (status>=0);
memset (whole, 0, sizeof(whole));
status = H5Dread (dset, H5T_NATIVE_INT, hs_space, hs_space,
H5P_DEFAULT, whole);
H5Sclose (hs_space);
if (status<0) {
puts (" Failed to read dataset");
break;
}
#if 0
for (i=0; i<100; i++) {
printf (" #%02d %3d %s\n",
i, whole[i], whole[i]==i?"":" <------------------------");
}
#endif
for (i=hs_start; i<hs_start+hs_count; i++) {
if (whole[i]!=(signed)i) {
puts ("*FAILED*");
puts (" Incorrect value(s) read.");
nerrors_g++;
break;
}
}
puts (" PASSED");
} while (0);
H5Dclose (dset);
H5Pclose (plist);
H5Sclose (space);
H5Fclose (file);
}
/*-------------------------------------------------------------------------
* Function: test_3
*
* Purpose: Tests writing to an external file set.
*
* Return: void
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
test_3 (void)
{
hid_t file, plist, mem_space, file_space, dset;
herr_t status;
unsigned i;
int fd;
int part[25], whole[100];
hssize_t hs_start=100;
hsize_t size=100, max_size=200, hs_count=100;
/*
* Create another file
*/
file = H5Fcreate (TEST_FILE_NAME3, H5F_ACC_TRUNC|H5F_ACC_DEBUG,
H5P_DEFAULT, H5P_DEFAULT);
assert (file>=0);
/* Create the external file list */
plist = H5Pcreate (H5P_DATASET_CREATE);
assert (plist>=0);
status = H5Pset_external (plist, "extern_1b.raw", 0,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_2b.raw", 10,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_3b.raw", 20,
(hsize_t)sizeof(part));
assert (status>=0);
status = H5Pset_external (plist, "extern_4b.raw", 30,
H5F_UNLIMITED);
assert (status>=0);
/* Make sure the output files are fresh*/
fd = open ("extern_1b.raw", O_RDWR|O_CREAT|O_TRUNC, 0666);
close (fd);
fd = open ("extern_2b.raw", O_RDWR|O_CREAT|O_TRUNC, 0666);
close (fd);
fd = open ("extern_3b.raw", O_RDWR|O_CREAT|O_TRUNC, 0666);
close (fd);
fd = open ("extern_4b.raw", O_RDWR|O_CREAT|O_TRUNC, 0666);
close (fd);
/* Create the data space */
mem_space = H5Screate_simple (1, &size, &max_size);
assert (mem_space>=0);
file_space = H5Scopy (mem_space);
/* Create the dataset */
dset = H5Dcreate (file, "dset1", H5T_NATIVE_INT, file_space, plist);
assert (dset>=0);
/*
* Write the entire dataset and compare with the original
*/
do {
printf ("%-70s", "...writing entire dataset");
fflush (stdout);
for (i=0; i<size; i++) whole[i] = i;
status = H5Dwrite (dset, H5T_NATIVE_INT, mem_space, file_space,
H5P_DEFAULT, whole);
if (status<0) break;
for (i=0; i<4; i++) {
char name1[64], name2[64];
sprintf (name1, "extern_%d.raw", i+1);
sprintf (name2, "extern_%db.raw", i+1);
if (!same_contents (name1, name2)) {
puts ("*FAIL*");
puts (" Output differs from expected value.");
nerrors_g++;
break;
}
}
puts (" PASSED");
} while (0);
/*
* Extend the dataset by another 100 elements
*/
do {
printf ("%-70s", "...extending external contiguous dataset");
fflush (stdout);
if (H5Dextend (dset, &max_size)<0) break;
H5Sclose (file_space);
file_space = H5Dget_space (dset);
puts (" PASSED");
} while (0);
/*
* Write second half of dataset
*/
do {
printf ("%-70s", "...writing to extended part of dataset");
fflush (stdout);
for (i=0; i<hs_count; i++) {
whole[i] = 100+i;
}
status = H5Sselect_hyperslab (file_space, H5S_SELECT_SET, &hs_start, NULL, &hs_count, NULL);
assert (status>=0);
status = H5Dwrite (dset, H5T_NATIVE_INT, mem_space, file_space,
H5P_DEFAULT, whole);
if (status<0) break;
puts (" PASSED");
} while (0);
H5Dclose (dset);
H5Pclose (plist);
H5Sclose (mem_space);
H5Sclose (file_space);
H5Fclose (file);
}
/*-------------------------------------------------------------------------
* 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_NAME1);
remove(TEST_FILE_NAME2);
remove(TEST_FILE_NAME3);
/* not sure if the following file names can be #defined */
/* because some of them are created during runtime. */
/* List them out this way for now. */
remove("extern_1.raw");
remove("extern_1b.raw");
remove("extern_2.raw");
remove("extern_2b.raw");
remove("extern_3.raw");
remove("extern_3b.raw");
remove("extern_4.raw");
remove("extern_4b.raw");
}
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Runs external dataset tests.
*
* Return: Success: exit(0)
*
* Failure: exit(non-zero)
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main (void)
{
H5Eset_auto (display_error_cb, NULL);
test_1 ();
test_2 ();
test_3 ();
if (0==nerrors_g) {
printf ("All external storage tests passed.\n");
cleanup();
} else {
printf ("%d TEST%s FAILED.\n", nerrors_g, 1==nerrors_g?"":"s");
}
return (nerrors_g?1:0);
}
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