[utest] add rt_memset test case

9 files changed, 439 insertions, 55 deletions

diff --git a/components/utilities/utest/TC_uassert.c b/components/utilities/utest/TC_uassert.c
new file mode 100644
index 0000000000..1490c06f50
--- /dev/null
+++ b/components/utilities/utest/TC_uassert.c
@@ -0,0 +1,73 @@
+#include <rtthread.h>
+#include "utest.h"
+
+static void TC_uassert_true_false(void)
+{
+    uassert_true(1);
+    uassert_false(0);
+}
+
+static void TC_uassert_null_not_null(void)
+{
+    int *ptr = RT_NULL;
+    int value = 10;
+    int *ptr2 = &value;
+
+    uassert_null(ptr);
+    uassert_not_null(ptr2);
+}
+
+static void TC_uassert_int_op(void)
+{
+    int a = 5;
+    int b = 10;
+
+    uassert_int_equal(a, a);
+    uassert_int_not_equal(a, b);
+    uassert_int_less(a, b);
+    uassert_int_less_equal(a, b);
+    uassert_int_less_equal(a, a);
+    uassert_int_greater(b, a);
+    uassert_int_greater_equal(b, a);
+    uassert_int_greater_equal(b, b);
+}
+
+static void TC_uassert_ptr_op(void)
+{
+    int a = 5;
+    int b = 10;
+    int *ptr_a = &a;
+    int *ptr_b = &b;
+
+    uassert_ptr_equal(ptr_a, ptr_a);
+    uassert_ptr_not_equal(ptr_a, ptr_b);
+}
+
+static void TC_uassert_str_op(void)
+{
+    const char *str1 = "Hello";
+    const char *str2 = "Hello";
+    const char *str3 = "World";
+
+    uassert_str_equal(str1, str2);
+    uassert_str_not_equal(str1, str3);
+}
+
+static void TC_uassert_in_range(void)
+{
+    int value = 5;
+    uassert_in_range(value, 1, 10);
+    uassert_not_in_range(value, 10, 20);
+}
+
+static void utest_do_tc(void)
+{
+    UTEST_UNIT_RUN(TC_uassert_true_false);
+    UTEST_UNIT_RUN(TC_uassert_null_not_null);
+    UTEST_UNIT_RUN(TC_uassert_int_op);
+    UTEST_UNIT_RUN(TC_uassert_ptr_op);
+    UTEST_UNIT_RUN(TC_uassert_str_op);
+    UTEST_UNIT_RUN(TC_uassert_in_range);
+}
+
+UTEST_TC_EXPORT(utest_do_tc, "utest.uassert", RT_NULL, RT_NULL, 10);
diff --git a/components/utilities/utest/utest.c b/components/utilities/utest/utest.c
index af51508ce5..8d9ad7eef3 100644
--- a/components/utilities/utest/utest.c
+++ b/components/utilities/utest/utest.c
@@ -231,7 +231,7 @@ static void utest_do_run(const char *utest_name)
             {
                 if (tc_table[i].init() != RT_EOK)
                 {
-                    LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+                    LOG_E("[  FAILED  ] [ result   ] testcase init (%s)", tc_table[i].name);
                     goto __tc_continue;
                 }
             }
@@ -259,7 +259,7 @@ static void utest_do_run(const char *utest_name)
             {
                 if (tc_table[i].cleanup() != RT_EOK)
                 {
-                    LOG_E("[  FAILED  ] [ result   ] testcase (%s)", tc_table[i].name);
+                    LOG_E("[  FAILED  ] [ result   ] testcase cleanup (%s)", tc_table[i].name);
                     goto __tc_continue;
                 }
             }
@@ -382,7 +382,7 @@ utest_t utest_handle_get(void)
 
 void utest_unit_run(test_unit_func func, const char *unit_func_name)
 {
-    // LOG_I("[==========] utest unit name: (%s)", unit_func_name);
+    LOG_I("[==========] utest unit name: (%s)", unit_func_name);
     local_utest.error = UTEST_PASSED;
     local_utest.passed_num = 0;
     local_utest.failed_num = 0;
diff --git a/components/utilities/utest/utest.h b/components/utilities/utest/utest.h
index a7b6a0d702..db4eebdfcb 100644
--- a/components/utilities/utest/utest.h
+++ b/components/utilities/utest/utest.h
@@ -172,9 +172,10 @@ utest_t utest_handle_get(void);
  * @return None
  *
 */
-#define UTEST_UNIT_RUN(test_unit_func)                                         \
-    utest_unit_run(test_unit_func, #test_unit_func);                           \
-    if(utest_handle_get()->failed_num != 0) return;
+#define UTEST_UNIT_RUN(test_unit_func)                   \
+    do {                                                 \
+        utest_unit_run(test_unit_func, #test_unit_func); \
+    } while (0)
 
 #ifdef __cplusplus
 }
diff --git a/components/utilities/utest/utest_assert.h b/components/utilities/utest/utest_assert.h
index 8edfd1b9ad..e46350b3a3 100644
--- a/components/utilities/utest/utest_assert.h
+++ b/components/utilities/utest/utest_assert.h
@@ -50,11 +50,17 @@ void utest_assert_buf(const char *a, const char *b, rt_size_t sz, rt_bool_t equa
 */
 #define uassert_true(value)      __utest_assert(value, "(" #value ") is false")
 #define uassert_false(value)     __utest_assert(!(value), "(" #value ") is true")
+
 #define uassert_null(value)      __utest_assert((const char *)(value) == RT_NULL, "(" #value ") is not null")
 #define uassert_not_null(value)  __utest_assert((const char *)(value) != RT_NULL, "(" #value ") is null")
 
-#define uassert_int_equal(a, b)      __utest_assert((a) == (b), "(" #a ") not equal to (" #b ")")
-#define uassert_int_not_equal(a, b)  __utest_assert((a) != (b), "(" #a ") equal to (" #b ")")
+#define __uassert_int_op(a, b, op)      __utest_assert((a) op (b), "(" #a ") not " #op " (" #b ")")
+#define uassert_int_equal(a, b)         __uassert_int_op(a, b, ==)
+#define uassert_int_not_equal(a, b)     __uassert_int_op(a, b, !=)
+#define uassert_int_less(a, b)          __uassert_int_op(a, b, <)
+#define uassert_int_less_equal(a, b)    __uassert_int_op(a, b, <=)
+#define uassert_int_greater(a, b)       __uassert_int_op(a, b, >)
+#define uassert_int_greater_equal(a, b) __uassert_int_op(a, b, >=)
 
 #define uassert_ptr_equal(a, b)      __utest_assert((const void*)(a) == (const void*)(b), "(" #a ") not equal to (" #b ")")
 #define uassert_ptr_not_equal(a, b)  __utest_assert((const void*)(a) != (const void*)(b), "(" #a ") equal to (" #b ")")
diff --git a/src/klibc/utest/TC_rt_memcmp.c b/src/klibc/utest/TC_rt_memcmp.c
index 80839007cb..c51cf65d65 100644
--- a/src/klibc/utest/TC_rt_memcmp.c
+++ b/src/klibc/utest/TC_rt_memcmp.c
@@ -12,16 +12,6 @@
 #include <rtklibc.h>
 #include <utest.h>
 
-static rt_err_t utest_tc_init(void)
-{
-    return RT_EOK;
-}
-
-static rt_err_t utest_tc_cleanup(void)
-{
-    return RT_EOK;
-}
-
 static void TC_rt_memcmp_str(void)
 {
     const char* s = "abc 123";
@@ -32,20 +22,140 @@ static void TC_rt_memcmp_str(void)
 
     /* The following tests intentionally use a length > 3 */
     /* To test what rt_memcmp does in such a situation */
-    uassert_int_equal(!!(rt_memcmp(s, "abc", 6) > 0), 1);
-    uassert_int_equal(!!(rt_memcmp("abc", s, 6) < 0), 1);
+    uassert_int_greater(rt_memcmp(s, "abc", 6), 0);
+    uassert_int_less(rt_memcmp("abc", s, 6), 0);
+}
+
+static void TC_rt_memcmp_int_array(void)
+{
+    int arr1[] = {1, 2, 3, 4, 5};
+    int arr2[] = {1, 2, 3, 4, 5};
+    int arr3[] = {1, 2, 3, 4, 6};
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, sizeof(arr1)), 0);
+    uassert_int_less(rt_memcmp(arr1, arr3, sizeof(arr1)), 0);
+    uassert_int_greater(rt_memcmp(arr3, arr1, sizeof(arr1)), 0);
+}
+
+static void TC_rt_memcmp_float_array(void)
+{
+    float arr1[] = {1.0f, 2.0f, 3.0f};
+    float arr2[] = {1.0f, 2.0f, 3.0f};
+    float arr3[] = {1.0f, 2.0f, 3.1f};
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, sizeof(arr1)), 0);
+    uassert_int_less(rt_memcmp(arr1, arr3, sizeof(arr1)), 0);
+    uassert_int_greater(rt_memcmp(arr3, arr1, sizeof(arr1)), 0);
+}
+
+typedef struct {
+    int id;
+    float value;
+} Item;
+
+static void TC_rt_memcmp_struct_array(void)
+{
+    Item arr1[] = {{1, 1.0f}, {2, 2.0f}};
+    Item arr2[] = {{1, 1.0f}, {2, 2.0f}};
+    Item arr3[] = {{1, 1.0f}, {2, 2.1f}};
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, sizeof(arr1)), 0);
+    uassert_int_less(rt_memcmp(arr1, arr3, sizeof(arr1)), 0);
+    uassert_int_greater(rt_memcmp(arr3, arr1, sizeof(arr1)), 0);
+}
+
+typedef struct {
+    int id;
+    float value;
+    char name[10];
+} MixedItem;
+
+static void TC_rt_memcmp_mixed_array(void)
+{
+    MixedItem arr1[] = {{1, 1.0f, "item1"}, {2, 2.0f, "item2"}};
+    MixedItem arr2[] = {{1, 1.0f, "item1"}, {2, 2.0f, "item2"}};
+    MixedItem arr3[] = {{1, 1.0f, "item1"}, {2, 2.1f, "item2"}};
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, sizeof(arr1)), 0);
+    uassert_int_less(rt_memcmp(arr1, arr3, sizeof(arr1)), 0);
+    uassert_int_greater(rt_memcmp(arr3, arr1, sizeof(arr1)), 0);
+}
+
+typedef struct {
+    int id;
+    float score;
+} Student;
+
+typedef struct {
+    Student students[3];
+    char className[10];
+} Class;
+
+static void TC_rt_memcmp_nested_struct_array(void)
+{
+    Class class1 = {
+        .students = {{1, 90.5}, {2, 85.0}, {3, 92.0}},
+        .className = "ClassA"
+    };
+
+    Class class2 = {
+        .students = {{1, 90.5}, {2, 85.0}, {3, 92.0}},
+        .className = "ClassA"
+    };
+
+    Class class3 = {
+        .students = {{1, 90.5}, {2, 85.1}, {3, 92.0}},
+        .className = "ClassA"
+    };
+
+    uassert_int_equal(rt_memcmp(&class1, &class2, sizeof(Class)), 0);
+    uassert_int_not_equal(rt_memcmp(&class1, &class3, sizeof(Class)), 0);
+}
+
+static void TC_rt_memcmp_partial_match(void)
+{
+    char arr1[] = "abcdefghijklmnopqrstuvwxyz";
+    char arr2[] = "abcdefghijklmxyznopqrstuvw";
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, 13), 0);
+    uassert_int_not_equal(rt_memcmp(arr1, arr2, sizeof(arr1)), 0);
+}
+
+#define LARGE_ARRAY_SIZE 1000
+
+static void TC_rt_memcmp_large_array(void)
+{
+    int *arr1 = rt_calloc(LARGE_ARRAY_SIZE, sizeof(int));
+    int *arr2 = rt_calloc(LARGE_ARRAY_SIZE, sizeof(int));
+
+    uassert_not_null(arr1);
+    uassert_not_null(arr2);
+
+    for (int i = 0; i < LARGE_ARRAY_SIZE; i++) {
+        arr1[i] = i;
+        arr2[i] = i;
+    }
+
+    uassert_int_equal(rt_memcmp(arr1, arr2, LARGE_ARRAY_SIZE * sizeof(int)), 0);
+    arr2[LARGE_ARRAY_SIZE - 1] = LARGE_ARRAY_SIZE;
 
-    /* Check RT_NULL input handling */
-    uassert_int_not_equal(rt_memcmp("abc", RT_NULL, 3), 0);
-    uassert_int_not_equal(rt_memcmp(RT_NULL, "abc", 3), 0);
+    uassert_int_less(rt_memcmp(arr1, arr2, LARGE_ARRAY_SIZE * sizeof(int)), 0);
+    uassert_int_greater(rt_memcmp(arr2, arr1, LARGE_ARRAY_SIZE * sizeof(int)), 0);
 
-    /* Check that two RT_NULL strings will match */
-    uassert_int_equal(rt_memcmp(RT_NULL, RT_NULL, 0), 0);
+    rt_free(arr1);
+    rt_free(arr2);
 }
 
 static void utest_do_tc(void)
 {
     UTEST_UNIT_RUN(TC_rt_memcmp_str);
+    UTEST_UNIT_RUN(TC_rt_memcmp_int_array);
+    UTEST_UNIT_RUN(TC_rt_memcmp_float_array);
+    UTEST_UNIT_RUN(TC_rt_memcmp_struct_array);
+    UTEST_UNIT_RUN(TC_rt_memcmp_mixed_array);
+    UTEST_UNIT_RUN(TC_rt_memcmp_nested_struct_array);
+    UTEST_UNIT_RUN(TC_rt_memcmp_partial_match);
+    UTEST_UNIT_RUN(TC_rt_memcmp_large_array);
 }
 
-UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_memcmp", utest_tc_init, utest_tc_cleanup, 1000);
+UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_memcmp", RT_NULL, RT_NULL, 1000);
diff --git a/src/klibc/utest/TC_rt_memcpy.c b/src/klibc/utest/TC_rt_memcpy.c
index f5cbdaa847..c02ccd5c96 100644
--- a/src/klibc/utest/TC_rt_memcpy.c
+++ b/src/klibc/utest/TC_rt_memcpy.c
@@ -9,32 +9,26 @@
  * 2024-12-24     Meco Man           port to utest
  */
 
-#include <rtklibc.h>
+#include <rtthread.h>
 #include <utest.h>
 
+#define N 80 /**< Define the constant N for buffer size as 80 */
+#define TEST_BUF_SIZE 512 /**< Define the constant TEST_BUF_SIZE as 512 */
+static char *buf; /**< Define a static buffer of 512 bytes, initialized to 0 */
+
 static rt_err_t utest_tc_init(void)
 {
+    buf = rt_malloc(TEST_BUF_SIZE * sizeof(char)); /**< Allocate memory for the buffer */
+    uassert_not_null(buf);
     return RT_EOK;
 }
 
 static rt_err_t utest_tc_cleanup(void)
 {
+    rt_free(buf);
     return RT_EOK;
 }
 
-#define N 80 /**< Define the constant N for buffer size as 80 */
-static char buf[512] = {0}; /**< Define a static buffer of 512 bytes, initialized to 0 */
-
-/**
- * Align a given pointer to a 64-byte boundary.
- * @param p The pointer to align.
- * @return The aligned pointer.
- */
-static void* aligned(void* p)
-{
-    return (void*)(((intptr_t)p + 63) & -64);
-}
-
 /**
  * Test memory copy with alignment.
  * @param dalign The alignment offset for the destination buffer.
@@ -43,10 +37,10 @@ static void* aligned(void* p)
  */
 static void test_align(unsigned dalign, unsigned salign, size_t len)
 {
-    char* src = aligned(buf); /**< Source buffer starting address, 64-byte aligned */
-    char* dst = aligned(buf + 128); /**< Destination buffer starting address, 64-byte aligned from buf+128 */
-    char* want = aligned(buf + 256); /**< Expected result buffer starting address, 64-byte aligned from buf+256 */
-    char* p; /**< Pointer to receive the return value of rt_memcpy */
+    char *src = (char *)RT_ALIGN((rt_ubase_t)buf, 64); /**< Source buffer starting address, 64-byte aligned */
+    char *dst = (char *)RT_ALIGN(((rt_ubase_t)buf + 128), 64); /**< Destination buffer starting address, 64-byte aligned from buf+128 */
+    char *want = (char *)RT_ALIGN(((rt_ubase_t)buf + 256), 64); /**< Expected result buffer starting address, 64-byte aligned from buf+256 */
+    char *p; /**< Pointer to receive the return value of rt_memcpy */
     unsigned i;
 
     /** Assert that the source alignment offset plus length does not exceed N */
diff --git a/src/klibc/utest/TC_rt_memmove.c b/src/klibc/utest/TC_rt_memmove.c
new file mode 100644
index 0000000000..22f80214b2
--- /dev/null
+++ b/src/klibc/utest/TC_rt_memmove.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-12-25     Meco Man     first version
+ */
+
+#include <rtthread.h>
+#include <utest.h>
+
+/* Basic move with no overlap */
+static void TC_rt_memmove_basic(void)
+{
+    char src[] = "Hello";
+    char dest[10] = {0};
+    rt_memmove(dest, src, rt_strlen(src) + 1);
+    uassert_str_equal(dest, "Hello");
+}
+
+/* Move with overlap (src before dest) */
+static void TC_rt_memmove_overlap_src_before(void)
+{
+    char buffer[] = "1234567890";
+    rt_memmove(&buffer[3], buffer, 5);
+    uassert_str_equal(buffer, "1231234590");
+}
+
+/* Move with overlap (src after dest) */
+static void TC_rt_memmove_overlap_src_after(void)
+{
+    char buffer[] = "1234567890";
+    rt_memmove(&buffer[2], &buffer[5], 5);
+    uassert_str_equal(buffer, "1267890890");
+}
+
+/* Move with zero length */
+static void TC_rt_memmove_zero_length(void)
+{
+    char src[] = "Hello";
+    char dest[10] = "World";
+    rt_memmove(dest, src, 0);
+    uassert_str_equal(dest, "World");
+}
+
+/* Move to the same location */
+static void TC_rt_memmove_same_location(void)
+{
+    char buffer[] = "Hello";
+    rt_memmove(buffer, buffer, rt_strlen(buffer) + 1);
+    uassert_str_equal(buffer, "Hello");
+}
+
+/* Move from NULL */
+static void TC_rt_memmove_null_src(void)
+{
+    char dest[10];
+    rt_memset(dest, 'A', sizeof(dest));
+    rt_memmove(dest, RT_NULL, 0); /* Should not crash and do nothing */
+    uassert_buf_equal(dest, "AAAAAAAAAA", 10);
+}
+
+/* Move to NULL */
+static void TC_rt_memmove_null_dest(void)
+{
+    char src[] = "Hello";
+    rt_memmove(RT_NULL, src, 0); /* Should not crash and do nothing */
+}
+
+/* Move more than source size */
+static void TC_rt_memmove_too_long(void)
+{
+    char src[] = "Short";
+    char dest[10] = {0};
+    rt_memmove(dest, src, sizeof(src) + 5); /* Should only copy up to src length */
+    uassert_str_equal(dest, "Short");
+    uassert_int_equal(dest[5], 0); /* Ensure no buffer overflow */
+}
+
+/* Move empty string */
+static void TC_rt_memmove_empty_string(void)
+{
+    char src[] = "";
+    char dest[10] = "Unchanged";
+    rt_memmove(dest, src, rt_strlen(src) + 1);
+
+    /* Expect dest to only contain '\0' at the start */
+    uassert_str_equal(dest, "");  /* Destination should now be an empty string */
+    uassert_int_equal(dest[0], '\0'); /* First character should be '\0' */
+}
+
+/* Utest function to run all test cases */
+static void utest_do_tc(void)
+{
+    UTEST_UNIT_RUN(TC_rt_memmove_basic);
+    UTEST_UNIT_RUN(TC_rt_memmove_overlap_src_before);
+    UTEST_UNIT_RUN(TC_rt_memmove_overlap_src_after);
+    UTEST_UNIT_RUN(TC_rt_memmove_zero_length);
+    UTEST_UNIT_RUN(TC_rt_memmove_same_location);
+    UTEST_UNIT_RUN(TC_rt_memmove_null_src);
+    UTEST_UNIT_RUN(TC_rt_memmove_null_dest);
+    UTEST_UNIT_RUN(TC_rt_memmove_too_long);
+    UTEST_UNIT_RUN(TC_rt_memmove_empty_string);
+}
+
+UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_memmove", RT_NULL, RT_NULL, 1000);
diff --git a/src/klibc/utest/TC_rt_memset.c b/src/klibc/utest/TC_rt_memset.c
new file mode 100644
index 0000000000..afe705df4b
--- /dev/null
+++ b/src/klibc/utest/TC_rt_memset.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author             Notes
+ * 2020-05-06     Phillip Johnston   the first version
+ * 2024-12-24     Meco Man           port to utest
+ */
+
+#include <rtthread.h>
+#include <utest.h>
+
+#define TEST_BUF_SIZE 400
+
+static char *buf;
+static char *buf2;
+
+static rt_err_t utest_tc_init(void)
+{
+    buf = rt_malloc(TEST_BUF_SIZE * sizeof(char));
+    uassert_not_null(buf);
+    buf2 = rt_malloc(TEST_BUF_SIZE * sizeof(char));
+    uassert_not_null(buf2);
+    return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+    rt_free(buf);
+    rt_free(buf2);
+    return RT_EOK;
+}
+
+static void test_align(int align, size_t len)
+{
+    char *s = (char *)RT_ALIGN(((rt_ubase_t)buf + 64), 64) + align;
+    char *want = (char *)RT_ALIGN(((rt_ubase_t)buf2 + 64), 64) + align;
+    char *p;
+    int i;
+
+    uassert_false(len + 64 > (size_t)(buf + TEST_BUF_SIZE - s));
+    uassert_false(len + 64 > (size_t)(buf2 + TEST_BUF_SIZE - want));
+
+    for(i = 0; i < TEST_BUF_SIZE; i++)
+    {
+        buf[i] = buf2[i] = ' ';
+    }
+
+    for(i = 0; i < (int)len; i++)
+    {
+        want[i] = '#';
+    }
+
+    p = rt_memset(s, '#', len);
+
+    uassert_ptr_equal(p, s);
+
+    for(i = -64; i < (int)len + 64; i++)
+    {
+        uassert_int_equal(s[i], want[i]);
+    }
+}
+
+static void TC_rt_memcpy_align(void)
+{
+    for(int i = 0; i < 16; i++)
+    {
+        for(size_t j = 0; j < 200; j++)
+        {
+            test_align(i, j);
+        }
+    }
+}
+
+static void test_input(char c)
+{
+    rt_memset(buf, c, 10);
+    for(int i = 0; i < 10; i++)
+    {
+        uassert_int_equal(buf[i], c);
+    }
+}
+
+static void TC_rt_memcpy_input(void)
+{
+    test_input('c');
+    test_input(0);
+    test_input(-1);
+    test_input(0xab);
+    test_input((char)RT_UINT32_MAX);
+    test_input((char)-RT_UINT32_MAX);
+}
+
+static void utest_do_tc(void)
+{
+    UTEST_UNIT_RUN(TC_rt_memcpy_align);
+    UTEST_UNIT_RUN(TC_rt_memcpy_input);
+}
+
+UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_memset", utest_tc_init, utest_tc_cleanup, 1000);
diff --git a/src/klibc/utest/TC_rt_sprintf.c b/src/klibc/utest/TC_rt_sprintf.c
index 86faf3ad1f..709155c8df 100644
--- a/src/klibc/utest/TC_rt_sprintf.c
+++ b/src/klibc/utest/TC_rt_sprintf.c
@@ -70,16 +70,6 @@ do {                                                  \
 #define SPRINTF_TEST_CASE_NAME(testname) TC_##testname
 #define SPRINTF_TEST_CASE(testname) static void SPRINTF_TEST_CASE_NAME(testname)(void)
 
-static rt_err_t utest_tc_init(void)
-{
-    return RT_EOK;
-}
-
-static rt_err_t utest_tc_cleanup(void)
-{
-    return RT_EOK;
-}
-
 SPRINTF_TEST_CASE(space_flag)
 {
     char buffer[base_buffer_size];
@@ -1072,4 +1062,4 @@ static void utest_do_tc(void)
     UTEST_UNIT_RUN(SPRINTF_TEST_CASE_NAME(misc));
 }
 
-UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_sprintf", utest_tc_init, utest_tc_cleanup, 1000);
+UTEST_TC_EXPORT(utest_do_tc, "klibc.rt_sprintf", RT_NULL, RT_NULL, 1000);