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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://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
FILE
refstr.c
Test HDF reference counted string routines.
REMARKS
DESIGN
BUGS/LIMITATIONS
EXPORTED ROUTINES
AUTHOR
Quincey Koziol
MODIFICATION HISTORY
12/17/02 - Started coding
*/
#include "testhdf5.h"
#include "H5FLprivate.h"
#include "H5RSprivate.h"
/* Declare extern the PQ free list for the wrapped strings */
H5FL_BLK_EXTERN(str_buf);
/****************************************************************
**
** test_refstr_init(): Test basic H5RS (ref-counted strings) code.
** Initialize data for RS testing
**
****************************************************************/
static void
test_refstr_init(void)
{
} /* end test_refstr_init() */
/****************************************************************
**
** test_refstr_create(): Test basic H5RS (ref-counted strings) code.
** Tests creating and closing ref-counted strings.
**
****************************************************************/
static void
test_refstr_create(void)
{
H5RS_str_t *rs; /* Ref-counted string created */
unsigned count; /* Reference count on string */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Creating & Closing Ref-Counted Strings\n"));
/* Try creating a ref-counted string */
rs = H5RS_create("foo");
CHECK_PTR(rs, "H5RS_create");
/* Get the reference count on the string */
count = H5RS_get_count(rs);
VERIFY(count, 1, "H5RS_get_count");
/* Try closing a real ref-counted string */
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_create() */
/****************************************************************
**
** test_refstr_count(): Test basic H5RS (ref-counted strings) code.
** Tests reference counting on ref-counted strings.
**
****************************************************************/
static void
test_refstr_count(void)
{
H5RS_str_t *rs; /* Ref-counted string created */
unsigned count; /* Reference count on string */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Incrementing & Decrementing Ref-Counted Strings\n"));
/* Try creating a ref-counted string */
rs = H5RS_create("foo");
CHECK_PTR(rs, "H5RS_create");
/* Get the reference count on the string */
count = H5RS_get_count(rs);
VERIFY(count, 1, "H5RS_get_count");
/* Increment reference count */
ret = H5RS_incr(rs);
CHECK(ret, FAIL, "H5RS_incr");
/* Get the reference count on the string */
count = H5RS_get_count(rs);
VERIFY(count, 2, "H5RS_get_count");
/* Decrement reference count for string */
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
/* Get the reference count on the string */
count = H5RS_get_count(rs);
VERIFY(count, 1, "H5RS_get_count");
/* Decrement reference count for string */
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_count() */
/****************************************************************
**
** test_refstr_dup(): Test basic H5RS (ref-counted strings) code.
** Tests duplicating ref-counted strings.
**
****************************************************************/
static void
test_refstr_dup(void)
{
H5RS_str_t *rs1; /* Ref-counted string created */
H5RS_str_t *rs2; /* Ref-counted string created */
unsigned count; /* Reference count on string */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Duplicating Ref-Counted Strings\n"));
/* Try creating a ref-counted string */
rs1 = H5RS_create("foo");
CHECK_PTR(rs1, "H5RS_create");
/* Get the reference count on the string */
count = H5RS_get_count(rs1);
VERIFY(count, 1, "H5RS_get_count");
/* Duplicate r-string */
rs2 = H5RS_dup(rs1);
CHECK_PTR(rs2, "H5RS_dup");
/* Get the reference count on the strings */
count = H5RS_get_count(rs1);
VERIFY(count, 2, "H5RS_get_count");
count = H5RS_get_count(rs2);
VERIFY(count, 2, "H5RS_get_count");
/* Decrement reference count for string */
ret = H5RS_decr(rs2);
CHECK(ret, FAIL, "H5RS_decr");
/* Get the reference count on the string */
count = H5RS_get_count(rs1);
VERIFY(count, 1, "H5RS_get_count");
/* Decrement reference count for string */
ret = H5RS_decr(rs1);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_dup() */
/****************************************************************
**
** test_refstr_cmp(): Test basic H5RS (ref-counted strings) code.
** Tests comparing ref-counted strings.
**
****************************************************************/
static void
test_refstr_cmp(void)
{
H5RS_str_t *rs1; /* Ref-counted string created */
H5RS_str_t *rs2; /* Ref-counted string created */
int cmp; /* Comparison value */
ssize_t len; /* Length of string */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Comparing Ref-Counted Strings\n"));
/* Create first reference counted string */
rs1 = H5RS_create("foo");
CHECK_PTR(rs1, "H5RS_create");
/* Create second reference counted string */
rs2 = H5RS_create("foo2");
CHECK_PTR(rs2, "H5RS_create");
/* Compare the strings in various ways */
cmp = H5RS_cmp(rs1, rs1);
VERIFY(cmp, 0, "H5RS_cmp");
cmp = H5RS_cmp(rs2, rs2);
VERIFY(cmp, 0, "H5RS_cmp");
cmp = H5RS_cmp(rs1, rs2);
if (cmp >= 0)
TestErrPrintf("%d: string comparison incorrect!\n", __LINE__);
/* Check the lengths of the strings also */
len = H5RS_len(rs1);
VERIFY(len, 3, "H5RS_len");
len = H5RS_len(rs2);
VERIFY(len, 4, "H5RS_len");
/* Decrement reference count for strings */
ret = H5RS_decr(rs2);
CHECK(ret, FAIL, "H5RS_decr");
ret = H5RS_decr(rs1);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_cmp() */
/****************************************************************
**
** test_refstr_wrap(): Test basic H5RS (ref-counted strings) code.
** Tests wrapping ref-counted strings around existing strings.
**
****************************************************************/
static void
test_refstr_wrap(void)
{
H5RS_str_t *rs; /* Ref-counted string created */
const char *s; /* Pointer to raw string in ref-counted string */
char buf[16]; /* Buffer to wrap */
int cmp; /* Comparison value */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Wrapping Ref-Counted Strings\n"));
/* Initialize buffer */
HDstrcpy(buf, "foo");
/* Wrap ref-counted string around existing buffer */
rs = H5RS_wrap(buf);
CHECK_PTR(rs, "H5RS_wrap");
/* Get pointer to raw string in ref-counted string */
s = H5RS_get_str(rs);
CHECK_PTR(s, "H5RS_get_str");
CHECK_PTR_EQ(s, buf, "wrapping");
cmp = HDstrcmp(s, buf);
VERIFY(cmp, 0, "HDstrcmp");
/* Increment reference count (should duplicate string) */
ret = H5RS_incr(rs);
CHECK(ret, FAIL, "H5RS_incr");
/* Change the buffer initially wrapped */
buf[0] = 'F';
/* Get pointer to raw string in ref-counted string */
s = H5RS_get_str(rs);
CHECK_PTR(s, "H5RS_get_str");
if (s == buf)
TestErrPrintf("%d: Should not have gotten the same pointer from reference-counted string!\n",
__LINE__);
cmp = HDstrcmp(s, buf);
if (cmp <= 0)
TestErrPrintf("%d: string comparison incorrect!\n", __LINE__);
/* Decrement reference count for string */
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_wrap() */
/****************************************************************
**
** test_refstr_own(): Test basic H5RS (ref-counted strings) code.
** Tests transferring ownership of dynamically allocated strings
** to ref-counted strings.
**
****************************************************************/
static void
test_refstr_own(void)
{
H5RS_str_t *rs; /* Ref-counted string created */
char *s; /* Pointer to string to transfer */
const char *t; /* Temporary pointers to string */
int cmp; /* Comparison value */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Transferring Ref-Counted Strings\n"));
/* Initialize buffer */
s = (char *)H5FL_BLK_MALLOC(str_buf, HDstrlen("foo") + 1);
CHECK_PTR(s, "H5FL_BLK_MALLOC");
HDstrcpy(s, "foo");
/* Transfer ownership of dynamically allocated string to ref-counted string */
rs = H5RS_own(s);
CHECK_PTR(rs, "H5RS_own");
/* Get pointer to raw string in ref-counted string */
t = H5RS_get_str(rs);
CHECK_PTR(t, "H5RS_get_str");
CHECK_PTR_EQ(t, s, "transferring");
cmp = HDstrcmp(s, t);
VERIFY(cmp, 0, "HDstrcmp");
/* Increment reference count (should NOT duplicate string) */
ret = H5RS_incr(rs);
CHECK(ret, FAIL, "H5RS_incr");
/* Change the buffer initially wrapped */
*s = 'F';
/* Get pointer to raw string in ref-counted string */
t = H5RS_get_str(rs);
CHECK_PTR(t, "H5RS_get_str");
CHECK_PTR_EQ(t, s, "transferring");
cmp = HDstrcmp(t, s);
VERIFY(cmp, 0, "HDstrcmp");
/* Decrement reference count for string */
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
ret = H5RS_decr(rs);
CHECK(ret, FAIL, "H5RS_decr");
} /* end test_refstr_own() */
/****************************************************************
**
** test_refstr_finalize(): Test basic H5RS (ref-counted strings) code.
** Wrap up data for ref-counted string testing
**
****************************************************************/
static void
test_refstr_finalize(void)
{
} /* end test_refstr_finalize() */
/****************************************************************
**
** test_refstr(): Main H5RS testing routine.
**
****************************************************************/
void
test_refstr(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing Reference Counted Strings\n"));
/* Initialize ref-counted strings testing data */
test_refstr_init();
/* Actual ref-counted strings tests */
test_refstr_create(); /* Test ref-counted string creation */
test_refstr_count(); /* Test ref-counted string counting */
test_refstr_dup(); /* Test ref-counted string duplication */
test_refstr_cmp(); /* Test ref-counted string comparison */
test_refstr_wrap(); /* Test ref-counted string wrapping */
test_refstr_own(); /* Test ref-counted string ownership transfer */
/* Finalize ref-counted strings testing data */
test_refstr_finalize();
} /* end test_refstr() */
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