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-rw-r--r--lib/libsbuf/tests/sbuf_core_test.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/lib/libsbuf/tests/sbuf_core_test.c b/lib/libsbuf/tests/sbuf_core_test.c
new file mode 100644
index 000000000000..9fc040173079
--- /dev/null
+++ b/lib/libsbuf/tests/sbuf_core_test.c
@@ -0,0 +1,211 @@
+/*-
+ * Copyright (c) 2017 Ngie Cooper <ngie@freebsd.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#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) {
+ 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);
+}
+
+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_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_len_test);
+#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());
+}