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hdf5/test/tid.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Test user-created identifiers (hid_t's) and identifier types. */
#include "testhdf5.h"
/* Include H5Ipkg.h to calculate max number of groups */
#define H5I_FRIEND /*suppress error about including H5Ipkg */
#include "H5Ipkg.h"
/* Test basic functionality of registering and deleting types and IDs */
static int basic_id_test(void)
{
H5I_type_t myType = H5I_BADID;
hid_t arrayID = H5I_INVALID_HID;
void* testObj = NULL;
void* testPtr = NULL;
char nameString[10];
hid_t testID;
ssize_t testSize = -1;
herr_t err;
int num_ref;
hsize_t num_members;
/* Try to register an ID with ficticious types */
H5E_BEGIN_TRY
arrayID = H5Iregister((H5I_type_t) 420, testObj);
H5E_END_TRY
VERIFY(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID != H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
arrayID = H5Iregister((H5I_type_t) -1, testObj);
H5E_END_TRY
VERIFY(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID != H5I_INVALID_HID)
goto out;
/* Try to access IDs with ficticious types */
H5E_BEGIN_TRY
testPtr = H5Iobject_verify((hid_t)100, (H5I_type_t) 0);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testPtr = H5Iobject_verify((hid_t)700, (H5I_type_t) 700);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
/* Register a type */
myType = H5Iregister_type((size_t)64, 0, (H5I_free_t) free );
CHECK(myType, H5I_BADID, "H5Iregister_type");
if(myType == H5I_BADID)
goto out;
/* Register an ID and retrieve the object it points to.
* Once the ID has been registered, testObj will be freed when
* its ID type is destroyed.
*/
testObj = HDmalloc(7 * sizeof(int));
arrayID = H5Iregister(myType, testObj);
CHECK(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID == H5I_INVALID_HID) {
HDfree(testObj);
goto out;
}
testPtr = (int *)H5Iobject_verify(arrayID, myType);
CHECK_PTR_EQ(testPtr, testObj, "H5Iobject_verify");
if(testPtr != testObj)
goto out;
/* Ensure that H5Iget_file_id and H5Iget_name() fail, since this
* is an hid_t for the wrong kind of object
*/
H5E_BEGIN_TRY
testID = H5Iget_file_id(arrayID);
H5E_END_TRY
VERIFY(testID, H5I_INVALID_HID, "H5Iget_file_id");
if(testID != H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
testSize = H5Iget_name(arrayID, nameString, (size_t)9);
H5E_END_TRY
VERIFY(testSize, -1, "H5Iget_name");
if(testSize != -1)
goto out;
/* Make sure H5Iremove_verify catches objects of the wrong type */
H5E_BEGIN_TRY
testPtr = (int*) H5Iremove_verify(arrayID, (H5I_type_t) 0);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iremove_verify");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testPtr = (int*) H5Iremove_verify(arrayID, (H5I_type_t) ((int) myType-1));
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iremove_verify");
if(testPtr != NULL)
goto out;
/* Remove an ID and make sure we can't access it */
testPtr = (int*) H5Iremove_verify(arrayID, myType);
CHECK_PTR(testPtr, "H5Iremove_verify");
if(testPtr == NULL)
goto out;
H5E_BEGIN_TRY
testPtr = (int*) H5Iobject_verify(arrayID, myType);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
/* Delete the type and make sure we can't access objects within it */
arrayID = H5Iregister(myType, testObj);
err = H5Idestroy_type(myType);
VERIFY(err, 0, "H5Idestroy_type");
if( err != 0)
goto out;
VERIFY(H5Itype_exists(myType), 0, "H5Itype_exists");
if(H5Itype_exists(myType) != 0)
goto out;
H5E_BEGIN_TRY
VERIFY(H5Inmembers(myType, NULL), -1, "H5Inmembers");
if(H5Inmembers(myType, NULL) != -1)
goto out;
H5E_END_TRY
/* Register another type and another object in that type */
myType = H5Iregister_type((size_t)64, 0, (H5I_free_t) free );
CHECK(myType, H5I_BADID, "H5Iregister_type");
if(myType == H5I_BADID)
goto out;
/* The memory that testObj pointed to should already have been
* freed when the previous type was destroyed. Allocate new
* memory for it.
*/
testObj = HDmalloc(7 * sizeof(int));
arrayID = H5Iregister(myType, testObj);
CHECK(arrayID, H5I_INVALID_HID, "H5Iregister");
if(arrayID == H5I_INVALID_HID) {
HDfree(testObj);
goto out;
}
err = H5Inmembers(myType, &num_members);
CHECK(err, -1, "H5Inmembers");
if (err < 0)
goto out;
VERIFY(num_members, 1, "H5Inmembers");
if(num_members != 1)
goto out;
/* Increment references to type and ensure that dec_type_ref
* doesn't destroy the type
*/
num_ref = H5Iinc_type_ref(myType);
VERIFY(num_ref, 2, "H5Iinc_type_ref");
if( num_ref != 2)
goto out;
num_ref = H5Idec_type_ref(myType);
VERIFY(num_ref, 1, "H5Idec_type_ref");
if(num_ref != 1)
goto out;
err = H5Inmembers(myType, &num_members);
CHECK(err, -1, "H5Inmembers");
if (err < 0)
goto out;
VERIFY(num_members, 1, "H5Inmembers");
if(num_members != 1)
goto out;
/* This call to dec_type_ref should destroy the type */
num_ref = H5Idec_type_ref(myType);
VERIFY(num_ref, 0, "H5Idec_type_ref");
if(num_ref != 0)
goto out;
VERIFY(H5Itype_exists(myType), 0, "H5Itype_exists");
if (H5Itype_exists(myType) != 0)
goto out;
H5E_BEGIN_TRY
err = H5Inmembers(myType, &num_members);
if(err >= 0)
goto out;
H5E_END_TRY
return 0;
out:
/* Clean up type if it has been allocated and free memory used
* by testObj
*/
if(myType >= 0)
H5Idestroy_type(myType);
return -1;
}
/* A dummy search function for the next test */
static int test_search_func(void H5_ATTR_UNUSED * ptr1, void H5_ATTR_UNUSED * ptr2) { return 0; }
/* Ensure that public functions cannot access "predefined" ID types */
static int id_predefined_test(void )
{
void * testObj;
hid_t testID;
hid_t typeID = H5I_INVALID_HID;
void * testPtr;
herr_t testErr;
testObj = HDmalloc(sizeof(int));
/* Try to perform illegal functions on various predefined types */
H5E_BEGIN_TRY
testID = H5Iregister(H5I_FILE, testObj);
H5E_END_TRY
VERIFY(testID, H5I_INVALID_HID, "H5Iregister");
if(testID != H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
testPtr = H5Isearch(H5I_GENPROP_LST, (H5I_search_func_t) test_search_func, testObj);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Isearch");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testErr = H5Inmembers(H5I_ERROR_STACK, NULL);
H5E_END_TRY
VERIFY(testErr, -1, "H5Inmembers");
if(testErr != -1)
goto out;
H5E_BEGIN_TRY
testErr = H5Iclear_type(H5I_FILE, 0);
H5E_END_TRY
VERIFY((testErr >= 0), 0, "H5Iclear_type");
if(testErr >= 0)
goto out;
H5E_BEGIN_TRY
testErr = H5Idestroy_type(H5I_DATASET);
H5E_END_TRY
VERIFY((testErr >= 0), 0, "H5Idestroy_type");
if(testErr >= 0)
goto out;
/* Create a datatype ID and try to perform illegal functions on it */
typeID = H5Tcreate(H5T_OPAQUE, (size_t)42);
CHECK(typeID, H5I_INVALID_HID, "H5Tcreate");
if(typeID == H5I_INVALID_HID)
goto out;
H5E_BEGIN_TRY
testPtr = H5Iremove_verify(typeID, H5I_DATATYPE);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iremove_verify");
if(testPtr != NULL)
goto out;
H5E_BEGIN_TRY
testPtr = H5Iobject_verify(typeID, H5I_DATATYPE);
H5E_END_TRY
CHECK_PTR_NULL(testPtr, "H5Iobject_verify");
if(testPtr != NULL)
goto out;
H5Tclose(typeID);
/* testObj was never registered as an atom, so it will not be
* automatically freed. */
HDfree(testObj);
return 0;
out:
if(typeID != H5I_INVALID_HID)
H5Tclose(typeID);
if(testObj != NULL)
HDfree(testObj);
return -1;
}
/* Test the H5Iis_valid function */
static int test_is_valid(void)
{
hid_t dtype; /* datatype id */
int64_t nmembs1; /* number of type memnbers */
int64_t nmembs2;
htri_t tri_ret; /* htri_t return value */
herr_t ret; /* return value */
/* Create a datatype id */
dtype = H5Tcopy(H5T_NATIVE_INT);
CHECK(dtype, FAIL, "H5Tcopy");
if (dtype < 0)
goto out;
/* Check that the ID is valid */
tri_ret = H5Iis_valid(dtype);
VERIFY(tri_ret, TRUE, "H5Iis_valid");
if (tri_ret != TRUE)
goto out;
/* Artificially manipulate the reference counts so app_count is 0, and dtype
* appears to be an internal id. This takes advantage of the fact that
* H5Ipkg is included.
*/
ret = H5I_inc_ref(dtype, FALSE);
CHECK(ret, FAIL, "H5I_inc_ref");
if (ret < 0)
goto out;
ret = H5I_dec_app_ref(dtype);
CHECK(ret, FAIL, "H5I_dec_ref");
if (ret < 0)
goto out;
/* Check that dtype is invalid */
tri_ret = H5Iis_valid(dtype);
VERIFY(tri_ret, FALSE, "H5Iis_valid");
if (tri_ret != FALSE)
goto out;
/* Close dtype and verify that it has been closed */
nmembs1 = H5I_nmembers(H5I_DATATYPE);
CHECK(nmembs1, FAIL, "H5I_nmembers");
if (nmembs1 < 0)
goto out;
ret = H5I_dec_ref(dtype);
CHECK(ret, FAIL, "H5I_dec_ref");
if (ret < 0)
goto out;
nmembs2 = H5I_nmembers(H5I_DATATYPE);
VERIFY(nmembs2, nmembs1 - 1, "H5I_nmembers");
if (nmembs2 != nmembs1 - 1)
goto out;
/* Check that dtype is invalid */
tri_ret = H5Iis_valid(dtype);
VERIFY(tri_ret, FALSE, "H5Iis_valid");
if (tri_ret != FALSE)
goto out;
/* Check that an id of -1 is invalid */
tri_ret = H5Iis_valid((hid_t)-1);
VERIFY(tri_ret, FALSE, "H4Iis_valid");
if (tri_ret != FALSE)
goto out;
return 0;
out:
/* Don't attempt to close dtype as we don't know the exact state of the
* reference counts. Every state in this function will be automatically
* closed at library exit anyways, as internal count is never > 1.
*/
return -1;
}
/* Test the H5Iget_type function */
static int test_get_type(void)
{
hid_t dtype; /* datatype id */
H5I_type_t type_ret; /* return value */
/* Create a datatype id */
dtype = H5Tcopy(H5T_NATIVE_INT);
CHECK(dtype, FAIL, "H5Tcopy");
if (dtype < 0)
goto out;
/* Check that the ID is correct */
type_ret = H5Iget_type(dtype);
VERIFY(type_ret, H5I_DATATYPE, "H5Iget_type");
if (type_ret == H5I_BADID)
goto out;
/* Check that the ID is correct */
type_ret = H5Iget_type((hid_t)H5T_STRING);
VERIFY(type_ret, H5I_BADID, "H5Iget_type");
if (type_ret != H5I_BADID)
goto out;
/* Check that the ID is correct */
type_ret = H5Iget_type((hid_t)-1);
VERIFY(type_ret, H5I_BADID, "H5Iget_type");
if (type_ret != H5I_BADID)
goto out;
H5Tclose(dtype);
return 0;
out:
if(dtype != H5I_INVALID_HID)
H5Tclose(dtype);
return -1;
}
/* Test boundary cases with lots of types */
/* Type IDs range from H5I_NTYPES to H5I_MAX_NUM_TYPES. The system will assign */
/* IDs in sequential order until H5I_MAX_NUM_TYPES IDs have been given out, at which */
/* point it will search for type IDs that were allocated but have since been */
/* deleted. */
/* This test will allocate IDs up to H5I_MAX_NUM_TYPES, ensure that IDs wrap around */
/* to low values successfully, ensure that an error is thrown when all possible */
/* type IDs are taken, then ensure that deleting types frees up their IDs. */
/* Note that this test depends on the implementation of IDs, so may break */
/* if the implementation changes. */
/* Also note that if someone else registered a user-defined type and forgot to */
/* destroy it, this test will mysteriously fail (because it will expect there to */
/* be one more "free" type ID than there is). */
/* H5I_NTYPES is defined in h5public.h, H5I_MAX_NUM_TYPES is defined in h5pkg.h */
static int test_id_type_list(void)
{
H5I_type_t startType; /* The first type ID we were assigned in this test */
H5I_type_t currentType;
H5I_type_t testType;
int i; /* Just a counter variable */
startType = H5Iregister_type((size_t)8, 0, (H5I_free_t) free );
CHECK(startType, H5I_BADID, "H5Iregister_type");
if(startType == H5I_BADID)
goto out;
/* Sanity check */
if(startType >= H5I_MAX_NUM_TYPES || startType < H5I_NTYPES)
{
/* Error condition, throw an error */
CHECK(1, 1, "H5Iregister_type");
goto out;
}
/* Create types up to H5I_MAX_NUM_TYPES */
for(i = startType + 1; i < H5I_MAX_NUM_TYPES; i++)
{
currentType = H5Iregister_type((size_t)8, 0, (H5I_free_t) free );
CHECK(currentType, H5I_BADID, "H5Iregister_type");
if(currentType == H5I_BADID)
goto out;
}
/* Wrap around to low type ID numbers */
for(i = H5I_NTYPES; i < startType; i++)
{
currentType = H5Iregister_type((size_t)8, 0, (H5I_free_t) free );
CHECK(currentType, H5I_BADID, "H5Iregister_type");
if(currentType == H5I_BADID)
goto out;
}
/* There should be no room at the inn for a new ID type*/
H5E_BEGIN_TRY
testType = H5Iregister_type((size_t)8, 0, (H5I_free_t) free );
H5E_END_TRY
VERIFY(testType, H5I_BADID, "H5Iregister_type");
if(testType != H5I_BADID)
goto out;
/* Now delete a type and try to insert again */
H5Idestroy_type(H5I_NTYPES);
testType = H5Iregister_type((size_t)8, 0, (H5I_free_t) free );
VERIFY(testType, H5I_NTYPES, "H5Iregister_type");
if(testType != H5I_NTYPES)
goto out;
/* Cleanup. Destroy all types. */
for(i = H5I_NTYPES; i < H5I_MAX_NUM_TYPES; i++)
H5Idestroy_type((H5I_type_t) i);
return 0;
out:
/* Cleanup. For simplicity, just destroy all types and ignore errors. */
H5E_BEGIN_TRY
for(i = H5I_NTYPES; i < H5I_MAX_NUM_TYPES; i++)
H5Idestroy_type((H5I_type_t) i);
H5E_END_TRY
return -1;
}
/* Test removing ids in callback for H5Iclear_type */
/* There was a rare bug where, if an id free callback being called by
* H5I_clear_type() removed another id in that type, a segfault could occur.
* This test tests for that error (and freeing ids "out of order" within
* H5Iclear_type() in general). */
/* Macro definitions */
#define TEST_RCT_MAX_NOBJS 25
#define TEST_RCT_MIN_NOBJS 5
#define TEST_RCT_NITER 50
/* Structure to hold the list of objects */
typedef struct {
struct test_rct_obj_t *list; /* List of objects */
long nobjs; /* Number of objects in list */
long nobjs_rem; /* Number of objects in list that have not been freed */
} test_rct_list_t;
/* Structure for an object */
typedef struct test_rct_obj_t {
hid_t id; /* ID for this object */
int nfrees; /* Number of times this object has been freed */
hbool_t freeing; /* Whether we are currently freeing this object directly (through H5Idec_ref()) */
test_rct_list_t *obj_list; /* List of all objects */
} test_rct_obj_t;
/* Free callback */
static herr_t test_rct_free(void *_obj) {
test_rct_obj_t *obj = (test_rct_obj_t *)_obj;
long rem_idx, i;
herr_t ret; /* return value */
/* Mark this object as freed */
obj->nfrees++;
obj->obj_list->nobjs_rem--;
/* Check freeing and nobjs_rem */
if(!obj->freeing && (obj->obj_list->nobjs_rem > 0)) {
/* Remove a random object from the list */
rem_idx = HDrandom() % obj->obj_list->nobjs_rem;
/* Scan the list, finding the rem_idx'th object that has not been
* freed */
for(i = 0; i < obj->obj_list->nobjs; i++)
if(obj->obj_list->list[i].nfrees == 0) {
if(rem_idx == 0)
break;
else
rem_idx--;
} /* end if */
if(i == obj->obj_list->nobjs) {
ERROR("invalid obj_list");
goto out;
} /* end if */
else {
/* Remove the object. Mark as "freeing" so its own callback does
* not free another object. */
obj->obj_list->list[i].freeing = TRUE;
ret = H5Idec_ref(obj->obj_list->list[i].id);
CHECK(ret, FAIL, "H5Idec_ref");
if(ret == FAIL)
goto out;
obj->obj_list->list[i].freeing = FALSE;
} /* end else */
} /* end if */
/* Verify nobjs_rem is non-negative */
if(obj->obj_list->nobjs_rem < 0) {
ERROR("invalid nobjs_rem");
goto out;
} /* end if */
return 0;
out:
return -1;
} /* end test_rct_free() */
/* Test function */
static int test_remove_clear_type(void)
{
H5I_type_t obj_type;
test_rct_list_t obj_list;
test_rct_obj_t list[TEST_RCT_MAX_NOBJS];
long i, j;
long nobjs_found;
hsize_t nmembers;
herr_t ret; /* return value */
/* Register type */
obj_type = H5Iregister_type((size_t)8, 0, test_rct_free);
CHECK(obj_type, H5I_BADID, "H5Iregister_type");
if(obj_type == H5I_BADID)
goto out;
/* Init obj_list.list */
obj_list.list = list;
for(i = 0; i < TEST_RCT_NITER; i++) {
/* Build object list */
obj_list.nobjs = obj_list.nobjs_rem = TEST_RCT_MIN_NOBJS + (HDrandom() % (long)(TEST_RCT_MAX_NOBJS - TEST_RCT_MIN_NOBJS + 1));
for(j = 0; j < obj_list.nobjs; j++) {
list[j].nfrees = 0;
list[j].freeing = FALSE;
list[j].obj_list = &obj_list;
list[j].id = H5Iregister(obj_type, &list[j]);
CHECK(list[j].id, FAIL, "H5Iregister");
if(list[j].id == FAIL)
goto out;
if(HDrandom() % 2) {
ret = H5Iinc_ref(list[j].id);
CHECK(ret, FAIL, "H5Iinc_ref");
if(ret == FAIL)
goto out;
} /* end if */
} /* end for */
/* Clear the type */
ret = H5Iclear_type(obj_type, FALSE);
CHECK(ret, FAIL, "H5Iclear_type");
if(ret == FAIL)
goto out;
/* Verify list */
nobjs_found = 0;
for(j = 0; j < obj_list.nobjs; j++) {
if(list[j].nfrees == 0)
nobjs_found++;
else {
VERIFY(list[j].nfrees, (long)1, "list[j].nfrees");
if(list[j].nfrees != (long)1)
goto out;
} /* end else */
VERIFY(list[j].freeing, FALSE, "list[j].freeing");
if(list[j].freeing != FALSE)
goto out;
} /* end for */
/* Verify number of objects */
VERIFY(obj_list.nobjs_rem, nobjs_found, "obj_list.nobjs_rem");
if(obj_list.nobjs_rem != nobjs_found)
goto out;
ret = H5Inmembers(obj_type, &nmembers);
CHECK(ret, FAIL, "H5Inmembers");
if(ret == FAIL)
goto out;
VERIFY(nmembers, (size_t)nobjs_found, "H5Inmembers");
if(nmembers != (size_t)nobjs_found)
goto out;
/* Clear the type with force set to TRUE */
ret = H5Iclear_type(obj_type, TRUE);
CHECK(ret, FAIL, "H5Iclear_type");
if(ret == FAIL)
goto out;
/* Verify list */
for(j = 0; j < obj_list.nobjs; j++) {
VERIFY(list[j].nfrees, (long)1, "list[j].nfrees");
if(list[j].nfrees != (long)1)
goto out;
VERIFY(list[j].freeing, FALSE, "list[j].freeing");
if(list[j].freeing != FALSE)
goto out;
} /* end for */
/* Verify number of objects is 0 */
VERIFY(obj_list.nobjs_rem, (long)0, "obj_list.nobjs_rem");
if(obj_list.nobjs_rem != (long)0)
goto out;
ret = H5Inmembers(obj_type, &nmembers);
CHECK(ret, FAIL, "H5Inmembers");
if(ret == FAIL)
goto out;
VERIFY(nmembers, (size_t)0, "H5Inmembers");
if(nmembers != (size_t)0)
goto out;
} /* end for */
/* Destroy type */
ret = H5Idestroy_type(obj_type);
CHECK(ret, FAIL, "H5Idestroy_type");
if(ret == FAIL)
goto out;
return 0;
out:
/* Cleanup. For simplicity, just destroy the types and ignore errors. */
H5E_BEGIN_TRY
H5Idestroy_type(obj_type);
H5E_END_TRY
return -1;
} /* end test_remove_clear_type() */
void test_ids(void)
{
/* Set the random # seed */
HDsrandom((unsigned)HDtime(NULL));
if (basic_id_test() < 0) TestErrPrintf("Basic ID test failed\n");
if (id_predefined_test() < 0) TestErrPrintf("Predefined ID type test failed\n");
if (test_is_valid() < 0) TestErrPrintf("H5Iis_valid test failed\n");
if (test_get_type() < 0) TestErrPrintf("H5Iget_type test failed\n");
if (test_id_type_list() < 0) TestErrPrintf("ID type list test failed\n");
if (test_remove_clear_type() < 0) TestErrPrintf("ID remove during H5Iclear_type test failed\n");
}
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