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test: unit tests for strstr() and strnstr()

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Add unit tests for the library functions.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
[jf: drop unwanted change to lib/string.c]
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
This commit is contained in:
Heinrich Schuchardt
2025-02-03 10:12:01 +01:00
committed by Simon Glass
parent 1fe89ebebd
commit f9f560685b
1 changed files with 40 additions and 0 deletions
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40
test/lib/string.c
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@@ -11,6 +11,7 @@
#include <command.h>
#include <log.h>
#include <string.h>
#include <test/lib.h>
#include <test/test.h>
#include <test/ut.h>
@@ -221,3 +222,42 @@ static int lib_memdup(struct unit_test_state *uts)
return 0;
}
LIB_TEST(lib_memdup, 0);
/** lib_strnstr() - unit test for strnstr() */
static int lib_strnstr(struct unit_test_state *uts)
{
const char *s1 = "Itsy Bitsy Teenie Weenie";
const char *s2 = "eenie";
const char *s3 = "eery";
ut_asserteq_ptr(&s1[12], strnstr(s1, s2, SIZE_MAX));
ut_asserteq_ptr(&s1[12], strnstr(s1, s2, 17));
ut_assertnull(strnstr(s1, s2, 16));
ut_assertnull(strnstr(s1, s2, 0));
ut_asserteq_ptr(&s1[13], strnstr(&s1[3], &s2[1], SIZE_MAX));
ut_asserteq_ptr(&s1[13], strnstr(&s1[3], &s2[1], 14));
ut_assertnull(strnstr(&s1[3], &s2[1], 13));
ut_assertnull(strnstr(&s1[3], &s2[1], 0));
ut_assertnull(strnstr(s1, s3, SIZE_MAX));
ut_assertnull(strnstr(s1, s3, 0));
return 0;
}
LIB_TEST(lib_strnstr, 0);
/** lib_strstr() - unit test for strstr() */
static int lib_strstr(struct unit_test_state *uts)
{
const char *s1 = "Itsy Bitsy Teenie Weenie";
const char *s2 = "eenie";
const char *s3 = "easy";
ut_asserteq_ptr(&s1[12], strstr(s1, s2));
ut_asserteq_ptr(&s1[13], strstr(&s1[3], &s2[1]));
ut_assertnull(strstr(s1, s3));
ut_asserteq_ptr(&s1[2], strstr(s1, &s3[2]));
ut_asserteq_ptr(&s1[8], strstr(&s1[5], &s3[2]));
return 0;
}
LIB_TEST(lib_strstr, 0);