TC: Expand tc for libc/string module API's

1) Adds tc for memmove(), where memory areas may overlap.
2) Adds tc for strstr() and strcasestr().
 - substring is not found in substring.
 - for empty input main string.

Signed-off-by: Lokesh B V <lokesh.bv@partner.samsung.com>

diff --git a/apps/examples/testcase/le_tc/kernel/tc_libc_string.c b/apps/examples/testcase/le_tc/kernel/tc_libc_string.c
index 6fb6ebf..3b7acea 100644 (file)
--- a/apps/examples/testcase/le_tc/kernel/tc_libc_string.c
+++ b/apps/examples/testcase/le_tc/kernel/tc_libc_string.c
@@ -158,6 +158,11 @@ static void tc_libc_string_memmove(void)
        TC_ASSERT_EQ("memmove", strncmp(res_ptr, buffer2, BUFF_SIZE), 0);
        TC_ASSERT_EQ("memmove", strncmp(buffer1, buffer2, BUFF_SIZE), 0);
 
+       res_ptr = (char *)memmove(buffer2, buffer1, sizeof(buffer1));
+       TC_ASSERT_NOT_NULL("memmove", res_ptr);
+       TC_ASSERT_EQ("memmove", strncmp(res_ptr, buffer1, BUFF_SIZE), 0);
+       TC_ASSERT_EQ("memmove", strncmp(buffer2, buffer1, BUFF_SIZE), 0);
+
        TC_SUCCESS_RESULT();
 }
 
@@ -677,7 +682,21 @@ static void tc_libc_string_strstr(void)
 
        res_ptr = strstr(dest_arr, psz);
        TC_ASSERT_NOT_NULL("strstr", res_ptr);
-       TC_ASSERT_EQ("strspn", strncmp(res_ptr, dest_arr, BUFF_SIZE_10), 0);
+       TC_ASSERT_EQ("strstr", strncmp(res_ptr, dest_arr, BUFF_SIZE_10), 0);
+
+       psz = "test";
+       res_ptr = strstr(dest_arr, psz);
+       TC_ASSERT_NOT_NULL("strstr", res_ptr);
+       TC_ASSERT_EQ("strstr", strncmp(res_ptr, dest_arr + 4, BUFF_SIZE_10), 0);
+
+       psz = "notfound";
+       res_ptr = strstr(dest_arr, psz);
+       TC_ASSERT_EQ("strstr", res_ptr, NULL);
+
+       psz = "";
+       res_ptr = strstr(dest_arr, psz);
+       TC_ASSERT_NOT_NULL("strstr", res_ptr);
+       TC_ASSERT_EQ("strstr", strncmp(res_ptr, dest_arr, BUFF_SIZE_10), 0);
 
        TC_SUCCESS_RESULT();
 }
@@ -769,6 +788,20 @@ static void tc_libc_string_strcasestr(void)
        TC_ASSERT_NOT_NULL("strcasestr", res_ptr);
        TC_ASSERT_EQ("strcasestr", strncmp(res_ptr, dest_arr, BUFF_SIZE_10), 0);
 
+       psz = "test";
+       res_ptr = strcasestr(dest_arr, psz);
+       TC_ASSERT_NOT_NULL("strcasestr", res_ptr);
+       TC_ASSERT_EQ("strcasestr", strncmp(res_ptr, dest_arr + 4, BUFF_SIZE_10), 0);
+
+       psz = "notfound";
+       res_ptr = strcasestr(dest_arr, psz);
+       TC_ASSERT_EQ("strcasestr", res_ptr, NULL);
+
+       psz = "";
+       res_ptr = strcasestr(dest_arr, psz);
+       TC_ASSERT_NOT_NULL("strcasestr", res_ptr);
+       TC_ASSERT_EQ("strcasestr", strncmp(res_ptr, dest_arr, BUFF_SIZE_10), 0);
+
        TC_SUCCESS_RESULT();
 }