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/*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include "strutil.h"
#include <wsutil/utf8_entities.h>
/*
* FIXME: LABEL_LENGTH includes the nul byte terminator.
* This is confusing but matches ITEM_LABEL_LENGTH.
*/
#define LABEL_LENGTH 8
void test_label_strcat(void)
{
char label[LABEL_LENGTH];
const char *src;
size_t pos;
src = "ABCD";
pos = 0;
pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
g_assert_cmpstr(label, ==, "ABCD");
g_assert_cmpuint(pos, ==, 4);
src = "EFGH";
pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
g_assert_cmpstr(label, ==, "ABCDEFG");
g_assert_cmpuint(pos, ==, 8);
src = "IJKL";
pos = 7;
pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
g_assert_cmpstr(label, ==, "ABCDEFG");
g_assert_cmpuint(pos, ==, 11);
/* UTF-8 multibyte does not fit, do not truncate. */
src = "ABCDEF"UTF8_MIDDLE_DOT;
pos = 0;
pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
g_assert_cmpstr(label, ==, "ABCDEF");
g_assert_cmpuint(pos, ==, 8); /* Tried to write 8 bytes. */
}
void test_label_strcat_escape_whitespace(void)
{
char label[128];
const char *src, *dst;
size_t pos;
src = "ABCD\n\t\f\r\aE"UTF8_MIDDLE_DOT"Z";
dst = "ABCD\\n\\t\\f\\r\\aE"UTF8_MIDDLE_DOT"Z";
pos = ws_label_strcpy(label, sizeof(label), 0, src, 0);
g_assert_cmpstr(label, ==, dst);
g_assert_cmpuint(pos, ==, strlen(dst));
}
void test_label_escape_control(void)
{
char label[128];
const char *src, *dst;
size_t pos;
src = "ABCD \x04\x17\xC2\x80 EFG \xC2\x90 HIJ \xC2\x9F Z";
dst = "ABCD \\x04\\x17\\u0080 EFG \\u0090 HIJ \\u009F Z";
pos = ws_label_strcpy(label, sizeof(label), 0, src, 0);
g_assert_cmpstr(label, ==, dst);
g_assert_cmpuint(pos, ==, strlen(dst));
}
int main(int argc, char **argv)
{
int ret;
ws_log_init("test_proto", NULL);
g_test_init(&argc, &argv, NULL);
g_test_add_func("/label/strcat", test_label_strcat);
g_test_add_func("/label/escape_whitespace", test_label_strcat_escape_whitespace);
g_test_add_func("/label/escape_control", test_label_escape_control);
ret = g_test_run();
return ret;
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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