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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-01-04 Meco Man the first version
*/
#include <rtklibc.h>
#include "utest.h"
static void TC_rt_sscanf_char(void)
{
const char str[] = "A B";
char a, b;
rt_sscanf(str, "%c %c", &a, &b);
uassert_true(a == 'A' && b == 'B');
/* Move to the next character after space for the second %c */
rt_sscanf(str + 2, "%c", &b);
uassert_true(b == 'B');
}
static void TC_rt_sscanf_basic_int(void)
{
const char str[] = "12345";
int value;
int result = rt_sscanf(str, "%d", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 12345);
}
static void TC_rt_sscanf_basic_float(void)
{
const char str[] = "123.45";
float value;
int result = rt_sscanf(str, "%f", &value);
uassert_int_equal(result, 1);
uassert_float_equal(value, 123.45);
}
static void TC_rt_sscanf_basic_string(void)
{
const char str[] = "Hello, World!";
char buffer[20];
int result = rt_sscanf(str, "%s", buffer);
uassert_int_equal(result, 1);
uassert_str_equal(buffer, "Hello,");
}
static void TC_rt_sscanf_string_with_space(void)
{
const char str[] = "Hello World";
char a[20];
rt_sscanf(str, "%*s %s", a);
uassert_str_equal(a, "World");
}
static void TC_rt_sscanf_basic_char(void)
{
const char str[] = "A";
char value;
int result = rt_sscanf(str, "%c", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 'A');
}
static void TC_rt_sscanf_hex_1(void)
{
const char str[] = "0x1A3F";
int value;
int result = rt_sscanf(str, "%x", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 0x1A3F);
}
static void TC_rt_sscanf_hex_2(void)
{
const char str[] = "0x1A 0XFF";
int a, b;
rt_sscanf(str, "%x %x", &a, &b);
uassert_true(a == 0x1A && b == 0XFF);
}
static void TC_rt_sscanf_oct_1(void)
{
const char str[] = "0755";
int value;
int result = rt_sscanf(str, "%o", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 0755);
}
static void TC_rt_sscanf_oct_2(void)
{
const char str[] = "012 077";
int a, b;
rt_sscanf(str, "%o %o", &a, &b);
uassert_true(a == 012 && b == 077);
}
static void TC_rt_sscanf_multiple_args(void)
{
const char str[] = "123 Hello";
int int_value;
char str_value[20];
int result = rt_sscanf(str, "%d %s", &int_value, str_value);
uassert_int_equal(result, 2);
uassert_int_equal(int_value, 123);
uassert_str_equal(str_value, "Hello");
}
static void TC_rt_sscanf_pointer(void)
{
const char str[] = "0x12345678";
void *ptr;
int result = rt_sscanf(str, "%p", &ptr);
uassert_int_equal(result, 1);
uassert_ptr_equal(ptr, (void *)0x12345678);
}
static void TC_rt_sscanf_width_specifier(void)
{
const char str[] = "123456789";
int value;
int result = rt_sscanf(str, "%4d", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 1234);
}
static void TC_rt_sscanf_suppression(void)
{
const char str[] = "123 456";
int second_value;
int result = rt_sscanf(str, "%*d %d", &second_value);
uassert_int_equal(result, 1);
uassert_int_equal(second_value, 456);
}
static void TC_rt_sscanf_match_set(void)
{
const char str[] = "abc123";
char buffer[10] = {0};
int result = rt_sscanf(str, "%[a-z]", buffer);
uassert_int_equal(result, 1);
uassert_str_equal(buffer, "abc");
}
static void TC_rt_sscanf_match_set_negated(void)
{
const char str[] = "abc123";
char buffer[10];
int result = rt_sscanf(str, "%[^0-9]", buffer);
uassert_int_equal(result, 1);
uassert_str_equal(buffer, "abc");
}
static void TC_rt_sscanf_match_set_range(void)
{
const char str[] = "a-zA-Z";
char buffer[10];
int result = rt_sscanf(str, "%[a-z-A-Z]", buffer);
uassert_int_equal(result, 1);
uassert_str_equal(buffer, "a-zA-Z");
}
static void TC_rt_sscanf_whitespace_skip(void)
{
const char str[] = " 12345";
int value;
int result = rt_sscanf(str, "%d", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 12345);
}
static void TC_rt_sscanf_unsigned_int(void)
{
const char str[] = "4294967295";
unsigned int value;
int result = rt_sscanf(str, "%u", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 4294967295U);
}
static void TC_rt_sscanf_long_long_int(void)
{
const char str[] = "9223372036854775807";
long long value;
int result = rt_sscanf(str, "%lld", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 9223372036854775807LL);
}
static void TC_rt_sscanf_short_int(void)
{
const char str[] = "32767";
short value;
int result = rt_sscanf(str, "%hd", &value);
uassert_int_equal(result, 1);
uassert_int_equal(value, 32767);
}
static void TC_rt_sscanf_null_string(void)
{
const char str[] = "";
int value;
int result = rt_sscanf(str, "%d", &value);
uassert_int_equal(result, -1);
}
/* https://github.com/RT-Thread/rt-thread/issues/9853 */
static void TC_rt_sscanf_issue_9853(void)
{
int device_socket = 255;
int bfsz = 255;
const char str[] = "+MIPURC: \"rtcp\",0,240,HTTP/1.1 200 OK";
rt_sscanf(str, "+MIPURC:%*[^,],%d,%d", &device_socket, (int *)&bfsz);
uassert_int_equal(device_socket, 0);
uassert_int_equal(bfsz, 240);
}
static void utest_do_tc(void)
{
UTEST_UNIT_RUN(TC_rt_sscanf_char);
UTEST_UNIT_RUN(TC_rt_sscanf_basic_int);
UTEST_UNIT_RUN(TC_rt_sscanf_basic_float);
UTEST_UNIT_RUN(TC_rt_sscanf_basic_string);
UTEST_UNIT_RUN(TC_rt_sscanf_string_with_space);
UTEST_UNIT_RUN(TC_rt_sscanf_basic_char);
UTEST_UNIT_RUN(TC_rt_sscanf_hex_1);
UTEST_UNIT_RUN(TC_rt_sscanf_hex_2);
UTEST_UNIT_RUN(TC_rt_sscanf_oct_1);
UTEST_UNIT_RUN(TC_rt_sscanf_oct_2);
UTEST_UNIT_RUN(TC_rt_sscanf_multiple_args);
UTEST_UNIT_RUN(TC_rt_sscanf_pointer);
UTEST_UNIT_RUN(TC_rt_sscanf_width_specifier);
UTEST_UNIT_RUN(TC_rt_sscanf_suppression);
UTEST_UNIT_RUN(TC_rt_sscanf_match_set);
UTEST_UNIT_RUN(TC_rt_sscanf_match_set_negated);
UTEST_UNIT_RUN(TC_rt_sscanf_match_set_range);
UTEST_UNIT_RUN(TC_rt_sscanf_whitespace_skip);
UTEST_UNIT_RUN(TC_rt_sscanf_unsigned_int);
UTEST_UNIT_RUN(TC_rt_sscanf_long_long_int);
UTEST_UNIT_RUN(TC_rt_sscanf_short_int);
UTEST_UNIT_RUN(TC_rt_sscanf_null_string);
UTEST_UNIT_RUN(TC_rt_sscanf_issue_9853);
}
UTEST_TC_EXPORT(utest_do_tc, "core.klibc.rt_sscanf", RT_NULL, RT_NULL, 1000);
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