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/*-
* Copyright (c) 2017 Enji Cooper <ngie@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/sbuf.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
#include "sbuf_test_common.h"
static char test_string[] = "this is a test string";
#define TEST_STRING_CHOP_COUNT 5
_Static_assert(nitems(test_string) > TEST_STRING_CHOP_COUNT,
"test_string is too short");
ATF_TC_WITHOUT_HEAD(sbuf_clear_test);
ATF_TC_BODY(sbuf_clear_test, tc)
{
struct sbuf *sb;
ssize_t buf_len;
pid_t child_proc;
sb = sbuf_new_auto();
ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
strerror(errno));
ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
/*
* Cheat so we can get the contents of the buffer before calling
* sbuf_finish(3) below, making additional sbuf changes impossible.
*/
child_proc = atf_utils_fork();
if (child_proc == 0) {
ATF_REQUIRE_EQ_MSG(0, sbuf_finish(sb), "sbuf_finish failed: %s",
strerror(errno));
sbuf_putbuf(sb);
exit(0);
}
atf_utils_wait(child_proc, 0, test_string, "");
sbuf_clear(sb);
ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
strerror(errno));
buf_len = sbuf_len(sb);
ATF_REQUIRE_MSG(buf_len == 0, "sbuf_len (%zd) != 0", buf_len);
ATF_REQUIRE_STREQ_MSG(sbuf_data(sb), "",
"sbuf (\"%s\") was not empty", sbuf_data(sb));
sbuf_delete(sb);
}
ATF_TC_WITHOUT_HEAD(sbuf_done_and_sbuf_finish_test);
ATF_TC_BODY(sbuf_done_and_sbuf_finish_test, tc)
{
struct sbuf *sb;
sb = sbuf_new_auto();
ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
strerror(errno));
ATF_CHECK(sbuf_done(sb) == 0);
ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
strerror(errno));
ATF_CHECK(sbuf_done(sb) != 0);
sbuf_delete(sb);
}
static int
drain_ret0(void *arg, const char *data, int len)
{
(void)arg;
(void)data;
(void)len;
return (0);
}
ATF_TC_WITHOUT_HEAD(sbuf_drain_ret0_test);
ATF_TC_BODY(sbuf_drain_ret0_test, tc)
{
struct sbuf *sb;
sb = sbuf_new_auto();
sbuf_set_drain(sb, drain_ret0, NULL);
sbuf_cat(sb, test_string);
ATF_CHECK_EQ_MSG(-1, sbuf_finish(sb),
"required to return error when drain func returns 0");
ATF_CHECK_EQ_MSG(EDEADLK, errno,
"errno required to be EDEADLK when drain func returns 0");
}
ATF_TC_WITHOUT_HEAD(sbuf_len_test);
ATF_TC_BODY(sbuf_len_test, tc)
{
struct sbuf *sb;
ssize_t buf_len, test_string_len;
int i;
sb = sbuf_new_auto();
ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
strerror(errno));
test_string_len = strlen(test_string);
for (i = 0; i < 20; i++) {
buf_len = sbuf_len(sb);
ATF_REQUIRE_MSG(buf_len == (ssize_t)(i * test_string_len),
"sbuf_len (%zd) != %zu", buf_len, i * test_string_len);
ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
}
#ifdef HAVE_SBUF_SET_FLAGS
sbuf_set_flags(sb, SBUF_INCLUDENUL);
ATF_REQUIRE_MSG((ssize_t)(i * test_string_len + 1) == sbuf_len(sb),
"sbuf_len(..) didn't report the NUL char");
#endif
ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
strerror(errno));
sbuf_delete(sb);
}
ATF_TC_WITHOUT_HEAD(sbuf_new_fixedlen);
ATF_TC_BODY(sbuf_new_fixedlen, tc)
{
char buf[strlen(test_string) + 1];
struct sbuf sb;
pid_t child_proc;
sbuf_new(&sb, buf, sizeof(buf), SBUF_FIXEDLEN);
sbuf_cat(&sb, test_string);
child_proc = atf_utils_fork();
if (child_proc == 0) {
ATF_REQUIRE_EQ_MSG(0, sbuf_finish(&sb), "sbuf_finish failed: %s",
strerror(errno));
sbuf_putbuf(&sb);
exit(0);
}
atf_utils_wait(child_proc, 0, test_string, "");
sbuf_putc(&sb, ' ');
ATF_CHECK_EQ_MSG(-1, sbuf_finish(&sb), "failed to return error on overflow");
sbuf_delete(&sb);
}
ATF_TC_WITHOUT_HEAD(sbuf_setpos_test);
ATF_TC_BODY(sbuf_setpos_test, tc)
{
struct sbuf *sb;
size_t test_string_chopped_len, test_string_len;
ssize_t buf_len;
sb = sbuf_new_auto();
ATF_REQUIRE_MSG(sb != NULL, "sbuf_new_auto failed: %s",
strerror(errno));
/*
* An obvious sanity check -- if sbuf_len(..) lies, these invariants
* are impossible to test.
*/
ATF_REQUIRE(sbuf_len(sb) == 0);
ATF_CHECK(sbuf_setpos(sb, -1) == -1);
ATF_CHECK(sbuf_setpos(sb, 0) == 0);
ATF_CHECK(sbuf_setpos(sb, 1) == -1);
ATF_REQUIRE_MSG(sbuf_cat(sb, test_string) == 0, "sbuf_cat failed");
buf_len = sbuf_len(sb);
test_string_len = strlen(test_string);
test_string_chopped_len = test_string_len - TEST_STRING_CHOP_COUNT;
ATF_REQUIRE_MSG(buf_len == (ssize_t)test_string_len,
"sbuf length (%zd) != test_string length (%zu)", buf_len,
test_string_len);
/* Out of bounds (under length) */
ATF_CHECK(sbuf_setpos(sb, -1) == -1);
/*
* Out of bounds (over length)
*
* Note: SBUF_INCLUDENUL not set, so take '\0' into account.
*/
ATF_CHECK(sbuf_setpos(sb, test_string_len + 2) == -1);
/* Within bounds */
ATF_CHECK(sbuf_setpos(sb, test_string_chopped_len) == 0);
ATF_REQUIRE_MSG(sbuf_finish(sb) == 0, "sbuf_finish failed: %s",
strerror(errno));
buf_len = sbuf_len(sb);
ATF_REQUIRE_MSG(buf_len == (ssize_t)test_string_chopped_len,
"sbuf_setpos didn't truncate string as expected");
ATF_REQUIRE_MSG(strncmp(sbuf_data(sb), test_string, buf_len) == 0,
"sbuf (\"%s\") != test string (\"%s\") for [0,%zd]", sbuf_data(sb),
test_string, buf_len);
sbuf_delete(sb);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, sbuf_clear_test);
ATF_TP_ADD_TC(tp, sbuf_done_and_sbuf_finish_test);
ATF_TP_ADD_TC(tp, sbuf_drain_ret0_test);
ATF_TP_ADD_TC(tp, sbuf_len_test);
ATF_TP_ADD_TC(tp, sbuf_new_fixedlen);
#if 0
/* TODO */
#ifdef HAVE_SBUF_CLEAR_FLAGS
ATF_TP_ADD_TC(tp, sbuf_clear_flags_test);
#endif
#ifdef HAVE_SBUF_GET_FLAGS
ATF_TP_ADD_TC(tp, sbuf_get_flags_test);
#endif
ATF_TP_ADD_TC(tp, sbuf_new_positive_test);
ATF_TP_ADD_TC(tp, sbuf_new_negative_test);
#ifdef HAVE_SBUF_SET_FLAGS
ATF_TP_ADD_TC(tp, sbuf_set_flags_test);
#endif
#endif
ATF_TP_ADD_TC(tp, sbuf_setpos_test);
return (atf_no_error());
}
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