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-rw-r--r--app/test/test_string_fns.c305
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diff --git a/app/test/test_string_fns.c b/app/test/test_string_fns.c
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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ * OWNER 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.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <errno.h>
+#include <string.h>
+
+#include <rte_string_fns.h>
+
+#include <cmdline_parse.h>
+
+#include "test.h"
+
+#define LOG(...) do {\
+ fprintf(stderr, "%s() ln %d: ", __func__, __LINE__); \
+ fprintf(stderr, __VA_ARGS__); \
+} while(0)
+
+#define DATA_BYTE 'a'
+
+static int
+test_rte_snprintf(void)
+{
+ /* =================================================
+ * First test with a string that will fit in buffer
+ * =================================================*/
+ do {
+ int retval;
+ const char source[] = "This is a string that will fit in buffer";
+ char buf[sizeof(source)+2]; /* make buffer big enough to fit string */
+
+ /* initialise buffer with characters so it can contain no nulls */
+ memset(buf, DATA_BYTE, sizeof(buf));
+
+ /* run rte_snprintf and check results */
+ retval = rte_snprintf(buf, sizeof(buf), "%s", source);
+ if (retval != sizeof(source) - 1) {
+ LOG("Error, retval = %d, expected = %u\n",
+ retval, (unsigned)sizeof(source));
+ return -1;
+ }
+ if (buf[retval] != '\0') {
+ LOG("Error, resultant is not null-terminated\n");
+ return -1;
+ }
+ if (memcmp(source, buf, sizeof(source)-1) != 0){
+ LOG("Error, corrupt data in buffer\n");
+ return -1;
+ }
+ } while (0);
+
+ do {
+ /* =================================================
+ * Test with a string that will get truncated
+ * =================================================*/
+ int retval;
+ const char source[] = "This is a long string that won't fit in buffer";
+ char buf[sizeof(source)/2]; /* make buffer half the size */
+
+ /* initialise buffer with characters so it can contain no nulls */
+ memset(buf, DATA_BYTE, sizeof(buf));
+
+ /* run rte_snprintf and check results */
+ retval = rte_snprintf(buf, sizeof(buf), "%s", source);
+ if (retval != sizeof(source) - 1) {
+ LOG("Error, retval = %d, expected = %u\n",
+ retval, (unsigned)sizeof(source));
+ return -1;
+ }
+ if (buf[sizeof(buf)-1] != '\0') {
+ LOG("Error, buffer is not null-terminated\n");
+ return -1;
+ }
+ if (memcmp(source, buf, sizeof(buf)-1) != 0){
+ LOG("Error, corrupt data in buffer\n");
+ return -1;
+ }
+ } while (0);
+
+ do {
+ /* ===========================================================
+ * Test using zero-size buf to check how long a buffer we need
+ * ===========================================================*/
+ int retval;
+ const char source[] = "This is a string";
+ char buf[10];
+
+ /* call with a zero-sized non-NULL buffer, should tell how big a buffer
+ * we need */
+ retval = rte_snprintf(buf, 0, "%s", source);
+ if (retval != sizeof(source) - 1) {
+ LOG("Call with 0-length buffer does not return correct size."
+ "Expected: %zu, got: %d\n", sizeof(source), retval);
+ return -1;
+ }
+
+ /* call with a zero-sized NULL buffer, should tell how big a buffer
+ * we need */
+ retval = rte_snprintf(NULL, 0, "%s", source);
+ if (retval != sizeof(source) - 1) {
+ LOG("Call with 0-length buffer does not return correct size."
+ "Expected: %zu, got: %d\n", sizeof(source), retval);
+ return -1;
+ }
+
+ } while (0);
+
+ do {
+ /* =================================================
+ * Test with invalid parameter values
+ * =================================================*/
+ const char source[] = "This is a string";
+ char buf[10];
+
+ /* call with buffer value set to NULL is EINVAL */
+ if (rte_snprintf(NULL, sizeof(buf), "%s\n", source) != -1 ||
+ errno != EINVAL) {
+ LOG("Failed to get suitable error when passing NULL buffer\n");
+ return -1;
+ }
+
+ memset(buf, DATA_BYTE, sizeof(buf));
+ /* call with a NULL format and zero-size should return error
+ * without affecting the buffer */
+ if (rte_snprintf(buf, 0, NULL) != -1 ||
+ errno != EINVAL) {
+ LOG("Failed to get suitable error when passing NULL buffer\n");
+ return -1;
+ }
+ if (buf[0] != DATA_BYTE) {
+ LOG("Error, zero-length buffer modified after call with NULL"
+ " format string\n");
+ return -1;
+ }
+
+ /* call with a NULL format should return error but also null-terminate
+ * the buffer */
+ if (rte_snprintf(buf, sizeof(buf), NULL) != -1 ||
+ errno != EINVAL) {
+ LOG("Failed to get suitable error when passing NULL buffer\n");
+ return -1;
+ }
+ if (buf[0] != '\0') {
+ LOG("Error, buffer not null-terminated after call with NULL"
+ " format string\n");
+ return -1;
+ }
+ } while (0);
+
+ LOG("%s - PASSED\n", __func__);
+ return 0;
+}
+
+static int
+test_rte_strsplit(void)
+{
+ int i;
+ do {
+ /* =======================================================
+ * split a mac address correct number of splits requested
+ * =======================================================*/
+ char test_string[] = "54:65:76:87:98:90";
+ char *splits[6];
+
+ LOG("Source string: '%s', to split on ':'\n", test_string);
+ if (rte_strsplit(test_string, sizeof(test_string),
+ splits, 6, ':') != 6) {
+ LOG("Error splitting mac address\n");
+ return -1;
+ }
+ for (i = 0; i < 6; i++)
+ LOG("Token %d = %s\n", i + 1, splits[i]);
+ } while (0);
+
+
+ do {
+ /* =======================================================
+ * split on spaces smaller number of splits requested
+ * =======================================================*/
+ char test_string[] = "54 65 76 87 98 90";
+ char *splits[6];
+
+ LOG("Source string: '%s', to split on ' '\n", test_string);
+ if (rte_strsplit(test_string, sizeof(test_string),
+ splits, 3, ' ') != 3) {
+ LOG("Error splitting mac address for max 2 splits\n");
+ return -1;
+ }
+ for (i = 0; i < 3; i++)
+ LOG("Token %d = %s\n", i + 1, splits[i]);
+ } while (0);
+
+ do {
+ /* =======================================================
+ * split on commas - more splits than commas requested
+ * =======================================================*/
+ char test_string[] = "a,b,c,d";
+ char *splits[6];
+
+ LOG("Source string: '%s', to split on ','\n", test_string);
+ if (rte_strsplit(test_string, sizeof(test_string),
+ splits, 6, ',') != 4) {
+ LOG("Error splitting %s on ','\n", test_string);
+ return -1;
+ }
+ for (i = 0; i < 4; i++)
+ LOG("Token %d = %s\n", i + 1, splits[i]);
+ } while(0);
+
+ do {
+ /* =======================================================
+ * Try splitting on non-existent character.
+ * =======================================================*/
+ char test_string[] = "a,b,c,d";
+ char *splits[6];
+
+ LOG("Source string: '%s', to split on ' '\n", test_string);
+ if (rte_strsplit(test_string, sizeof(test_string),
+ splits, 6, ' ') != 1) {
+ LOG("Error splitting %s on ' '\n", test_string);
+ return -1;
+ }
+ LOG("String not split\n");
+ } while(0);
+
+ do {
+ /* =======================================================
+ * Invalid / edge case parameter checks
+ * =======================================================*/
+ char test_string[] = "a,b,c,d";
+ char *splits[6];
+
+ if (rte_strsplit(NULL, 0, splits, 6, ',') >= 0
+ || errno != EINVAL){
+ LOG("Error: rte_strsplit accepted NULL string parameter\n");
+ return -1;
+ }
+
+ if (rte_strsplit(test_string, sizeof(test_string), NULL, 0, ',') >= 0
+ || errno != EINVAL){
+ LOG("Error: rte_strsplit accepted NULL array parameter\n");
+ return -1;
+ }
+
+ errno = 0;
+ if (rte_strsplit(test_string, 0, splits, 6, ',') != 0 || errno != 0) {
+ LOG("Error: rte_strsplit did not accept 0 length string\n");
+ return -1;
+ }
+
+ if (rte_strsplit(test_string, sizeof(test_string), splits, 0, ',') != 0
+ || errno != 0) {
+ LOG("Error: rte_strsplit did not accept 0 length array\n");
+ return -1;
+ }
+
+ LOG("Parameter test cases passed\n");
+ } while(0);
+
+ LOG("%s - PASSED\n", __func__);
+ return 0;
+}
+
+int
+test_string_fns(void)
+{
+ if (test_rte_snprintf() < 0 ||
+ test_rte_strsplit() < 0)
+ return -1;
+ return 0;
+}